diff --git a/doc/src/Build_manual.rst b/doc/src/Build_manual.rst index e9a55134da..4b4bfa5a45 100644 --- a/doc/src/Build_manual.rst +++ b/doc/src/Build_manual.rst @@ -52,7 +52,7 @@ can be translated to different output format using the `Sphinx incorporates programmer documentation extracted from the LAMMPS C++ sources through the `Doxygen `_ program. Currently the translation to HTML, PDF (via LaTeX), ePUB (for many e-book readers) -and MOBI (for Amazon Kindle(tm) readers) are supported. For that to work a +and MOBI (for Amazon Kindle readers) are supported. For that to work a Python interpreter version 3.8 or later, the ``doxygen`` tools and internet access to download additional files and tools are required. This download is usually only required once or after the documentation diff --git a/doc/src/Commands_fix.rst b/doc/src/Commands_fix.rst index c74b1fd037..6fe321e3c9 100644 --- a/doc/src/Commands_fix.rst +++ b/doc/src/Commands_fix.rst @@ -171,6 +171,7 @@ OPT. * :doc:`pafi ` * :doc:`pair ` * :doc:`phonon ` + * :doc:`pimd/langevin ` * :doc:`pimd/nvt ` * :doc:`planeforce ` * :doc:`plumed ` diff --git a/doc/src/Commands_pair.rst b/doc/src/Commands_pair.rst index 5f79015aaf..c45a1d778c 100644 --- a/doc/src/Commands_pair.rst +++ b/doc/src/Commands_pair.rst @@ -37,6 +37,7 @@ OPT. * * :doc:`adp (ko) ` * :doc:`agni (o) ` + * :doc:`aip/water/2dm (t) ` * :doc:`airebo (io) ` * :doc:`airebo/morse (io) ` * :doc:`amoeba (g) ` diff --git a/doc/src/Fortran.rst b/doc/src/Fortran.rst index 92a42997b8..a0e4da56b5 100644 --- a/doc/src/Fortran.rst +++ b/doc/src/Fortran.rst @@ -203,40 +203,62 @@ Below is an example demonstrating some of the possible uses. .. code-block:: fortran - PROGRAM testprop - USE LIBLAMMPS - USE, INTRINSIC :: ISO_C_BINDING, ONLY : c_double, c_int64_t - USE, INTRINSIC :: ISO_FORTRAN_ENV, ONLY : OUTPUT_UNIT - TYPE(lammps) :: lmp - INTEGER(KIND=c_int64_t), POINTER :: natoms - REAL(KIND=c_double), POINTER :: dt - INTEGER(KIND=c_int64_t), POINTER :: ntimestep - REAL(KIND=c_double) :: pe, ke + PROGRAM testprop + USE LIBLAMMPS + USE, INTRINSIC :: ISO_C_BINDING, ONLY : c_double, c_int64_t, c_int + USE, INTRINSIC :: ISO_FORTRAN_ENV, ONLY : OUTPUT_UNIT + TYPE(lammps) :: lmp + INTEGER(KIND=c_int64_t), POINTER :: natoms, ntimestep, bval + REAL(KIND=c_double), POINTER :: dt, dval + INTEGER(KIND=c_int), POINTER :: nfield, typ, ival + INTEGER(KIND=c_int) :: i + CHARACTER(LEN=11) :: key + REAL(KIND=c_double) :: pe, ke - lmp = lammps() - CALL lmp%file('in.sysinit') - natoms = lmp%extract_global('natoms') - WRITE(OUTPUT_UNIT,'(A,I0,A)') 'Running a simulation with ', natoms, ' atoms' - WRITE(OUTPUT_UNIT,'(I0,A,I0,A,I0,A)') lmp%extract_setting('nlocal'), & - ' local and ', lmp%extract_setting('nghost'), ' ghost atoms. ', & - lmp%extract_setting('ntypes'), ' atom types' + lmp = lammps() + CALL lmp%file('in.sysinit') + natoms = lmp%extract_global('natoms') + WRITE(OUTPUT_UNIT,'(A,I0,A)') 'Running a simulation with ', natoms, ' atoms' + WRITE(OUTPUT_UNIT,'(I0,A,I0,A,I0,A)') lmp%extract_setting('nlocal'), & + ' local and ', lmp%extract_setting('nghost'), ' ghost atoms. ', & + lmp%extract_setting('ntypes'), ' atom types' - CALL lmp%command('run 2 post no') - dt = lmp%extract_global('dt') - ntimestep = lmp%extract_global('ntimestep') - WRITE(OUTPUT_UNIT,'(A,I0,A,F4.1,A)') 'At step: ', ntimestep, & - ' Changing timestep from', dt, ' to 0.5' - dt = 0.5_c_double - CALL lmp%command('run 2 post no') + CALL lmp%command('run 2 post no') - WRITE(OUTPUT_UNIT,'(A,I0)') 'At step: ', ntimestep - pe = lmp%get_thermo('pe') - ke = lmp%get_thermo('ke') - PRINT*, 'PE = ', pe - PRINT*, 'KE = ', ke + ntimestep = lmp%last_thermo('step', 0) + nfield = lmp%last_thermo('num', 0) + WRITE(OUTPUT_UNIT,'(A,I0,A,I0)') 'Last thermo output on step: ', ntimestep, & + ', number of fields: ', nfield + DO i=1, nfield + key = lmp%last_thermo('keyword',i) + typ = lmp%last_thermo('type',i) + IF (typ == lmp%dtype%i32) THEN + ival = lmp%last_thermo('data',i) + WRITE(OUTPUT_UNIT,*) key, ':', ival + ELSE IF (typ == lmp%dtype%i64) THEN + bval = lmp%last_thermo('data',i) + WRITE(OUTPUT_UNIT,*) key, ':', bval + ELSE IF (typ == lmp%dtype%r64) THEN + dval = lmp%last_thermo('data',i) + WRITE(OUTPUT_UNIT,*) key, ':', dval + END IF + END DO - CALL lmp%close(.TRUE.) - END PROGRAM testprop + dt = lmp%extract_global('dt') + ntimestep = lmp%extract_global('ntimestep') + WRITE(OUTPUT_UNIT,'(A,I0,A,F4.1,A)') 'At step: ', ntimestep, & + ' Changing timestep from', dt, ' to 0.5' + dt = 0.5_c_double + CALL lmp%command('run 2 post no') + + WRITE(OUTPUT_UNIT,'(A,I0)') 'At step: ', ntimestep + pe = lmp%get_thermo('pe') + ke = lmp%get_thermo('ke') + WRITE(OUTPUT_UNIT,*) 'PE = ', pe + WRITE(OUTPUT_UNIT,*) 'KE = ', ke + + CALL lmp%close(.TRUE.) + END PROGRAM testprop --------------- @@ -262,6 +284,8 @@ of the contents of the :f:mod:`LIBLAMMPS` Fortran interface to LAMMPS. :ftype style: type(lammps_style) :f type: derived type to access lammps type constants :ftype type: type(lammps_type) + :f dtype: derived type to access lammps data type constants + :ftype dtype: type(lammps_dtype) :f close: :f:subr:`close` :ftype close: subroutine :f subroutine error: :f:subr:`error` @@ -278,6 +302,8 @@ of the contents of the :f:mod:`LIBLAMMPS` Fortran interface to LAMMPS. :ftype get_natoms: function :f get_thermo: :f:func:`get_thermo` :ftype get_thermo: function + :f last_thermo: :f:func:`last_thermo` + :ftype last_thermo: function :f extract_box: :f:subr:`extract_box` :ftype extract_box: subroutine :f reset_box: :f:subr:`reset_box` @@ -587,6 +613,96 @@ Procedures Bound to the :f:type:`lammps` Derived Type -------- +.. f:function:: last_thermo(what, index) + + This function will call :cpp:func:`lammps_last_thermo` and returns + either a string or a pointer to a cached copy of LAMMPS last thermodynamic + output, depending on the data requested through *what*. Note that *index* + uses 1-based indexing to access thermo output columns. + + .. versionadded:: TBD + + Note that this function actually does not return a value, but rather + associates the pointer on the left side of the assignment to point to + internal LAMMPS data (with the exception of string data, which are + copied and returned as ordinary Fortran strings). Pointers must be + of the correct data type to point to said data (typically + ``INTEGER(c_int)``, ``INTEGER(c_int64_t)``, or ``REAL(c_double)``). + The pointer being associated with LAMMPS data is type-checked at + run-time via an overloaded assignment operator. The pointers + returned by this function point to temporary, read-only data that may + be overwritten at any time, so their target values need to be copied + to local storage if they are supposed to persist. + + For example, + + .. code-block:: fortran + + PROGRAM thermo + USE LIBLAMMPS + USE, INTRINSIC :: ISO_C_BINDING, ONLY : c_double, c_int64_t, c_int + TYPE(lammps) :: lmp + INTEGER(KIND=c_int64_t), POINTER :: ntimestep, bval + REAL(KIND=c_double), POINTER :: dval + INTEGER(KIND=c_int), POINTER :: nfield, typ, ival + INTEGER(KIND=c_int) :: i + CHARACTER(LEN=11) :: key + + lmp = lammps() + CALL lmp%file('in.sysinit') + + ntimestep = lmp%last_thermo('step', 0) + nfield = lmp%last_thermo('num', 0) + PRINT*, 'Last thermo output on step: ', ntimestep, ' Number of fields: ', nfield + DO i=1, nfield + key = lmp%last_thermo('keyword',i) + typ = lmp%last_thermo('type',i) + IF (typ == lmp%dtype%i32) THEN + ival = lmp%last_thermo('data',i) + PRINT*, key, ':', ival + ELSE IF (typ == lmp%dtype%i64) THEN + bval = lmp%last_thermo('data',i) + PRINT*, key, ':', bval + ELSE IF (typ == lmp%dtype%r64) THEN + dval = lmp%last_thermo('data',i) + PRINT*, key, ':', dval + END IF + END DO + CALL lmp%close(.TRUE.) + END PROGRAM thermo + + would extract the last timestep where thermo output was done and the number + of columns it printed. Then it loops over the columns to print out column + header keywords and the corresponding data. + + .. note:: + + If :f:func:`last_thermo` returns a string, the string must have a length + greater than or equal to the length of the string (not including the + terminal ``NULL`` character) that LAMMPS returns. If the variable's + length is too short, the string will be truncated. As usual in Fortran, + strings are padded with spaces at the end. If you use an allocatable + string, the string **must be allocated** prior to calling this function. + + :p character(len=\*) what: string with the name of the thermo keyword + :p integer(c_int) index: 1-based column index + :to: :cpp:func:`lammps_last_thermo` + :r pointer [polymorphic]: pointer to LAMMPS data. The left-hand side of the + assignment should be either a string (if expecting string data) or a + C-compatible pointer (e.g., ``INTEGER(c_int), POINTER :: nlocal``) to the + extracted property. + + .. warning:: + + Modifying the data in the location pointed to by the returned pointer + may lead to inconsistent internal data and thus may cause failures, + crashes, or bogus simulations. In general, it is much better + to use a LAMMPS input command that sets or changes these parameters. + Using an input command will take care of all side effects and necessary + updates of settings derived from such settings. + +-------- + .. f:subroutine:: extract_box([boxlo][, boxhi][, xy][, yz][, xz][, pflags][, boxflag]) This subroutine will call :cpp:func:`lammps_extract_box`. All @@ -764,13 +880,14 @@ Procedures Bound to the :f:type:`lammps` Derived Type .. note:: - If :f:func:`extract_global` returns a string, the string must have length - greater than or equal to the length of the string (not including the - terminal ``NULL`` character) that LAMMPS returns. If the variable's - length is too short, the string will be truncated. As usual in Fortran, - strings are padded with spaces at the end. If you use an allocatable - string, the string **must be allocated** prior to calling this function, - but you can automatically reallocate it to the correct length after the + If :f:func:`extract_global` returns a string, the string must have + a length greater than or equal to the length of the string (not + including the terminal ``NULL`` character) that LAMMPS returns. If + the variable's length is too short, the string will be + truncated. As usual in Fortran, strings are padded with spaces at + the end. If you use an allocatable string, the string **must be + allocated** prior to calling this function, but you can + automatically reallocate it to the correct length after the function returns, viz., .. code-block :: fortran diff --git a/doc/src/Howto_spc.rst b/doc/src/Howto_spc.rst index 6414d3b846..6dedfe40c4 100644 --- a/doc/src/Howto_spc.rst +++ b/doc/src/Howto_spc.rst @@ -69,15 +69,13 @@ SPC/E with rigid bonds. timestep 1.0 fix rigid all shake 0.0001 10 10000 b 1 a 1 minimize 0.0 0.0 1000 10000 - run 0 post no - reset_timestep 0 velocity all create 300.0 5463576 - fix integrate all nvt temp 300.0 300.0 1.0 + fix integrate all nvt temp 300.0 300.0 100.0 thermo_style custom step temp press etotal density pe ke thermo 1000 run 20000 upto - write_data tip4p.data nocoeff + write_data spce.data nocoeff .. _spce_molecule: .. code-block:: diff --git a/doc/src/Howto_tip3p.rst b/doc/src/Howto_tip3p.rst index 682c7f2640..5419b9ba1b 100644 --- a/doc/src/Howto_tip3p.rst +++ b/doc/src/Howto_tip3p.rst @@ -128,11 +128,11 @@ TIP3P with rigid bonds. fix rigid all shake 0.001 10 10000 b 1 a 1 minimize 0.0 0.0 1000 10000 - run 0 post no reset_timestep 0 + timestep 1.0 velocity all create 300.0 5463576 - fix integrate all nvt temp 300 300 1.0 + fix integrate all nvt temp 300 300 100.0 thermo_style custom step temp press etotal pe diff --git a/doc/src/Howto_tip4p.rst b/doc/src/Howto_tip4p.rst index 7775d43e76..4d9b514e0d 100644 --- a/doc/src/Howto_tip4p.rst +++ b/doc/src/Howto_tip4p.rst @@ -180,17 +180,17 @@ file changed): fix rigid all shake 0.001 10 10000 b 1 a 1 minimize 0.0 0.0 1000 10000 - run 0 post no reset_timestep 0 + timestep 1.0 velocity all create 300.0 5463576 - fix integrate all nvt temp 300 300 1.0 + fix integrate all nvt temp 300 300 100.0 thermo_style custom step temp press etotal pe thermo 1000 run 20000 - write_data tip3p.data nocoeff + write_data tip4p-implicit.data nocoeff Below is the code for a LAMMPS input file using the explicit method and a TIP4P molecule file. Because of using :doc:`fix rigid/nvt/small @@ -203,6 +203,7 @@ rigid/nvt/small can identify rigid bodies by their molecule ID: units real atom_style charge + atom_modify map array region box block -5 5 -5 5 -5 5 create_box 3 box @@ -219,14 +220,14 @@ rigid/nvt/small can identify rigid bodies by their molecule ID: molecule water tip4p.mol create_atoms 0 random 33 34564 NULL mol water 25367 overlap 1.33 - timestep 0.1 - fix integrate all rigid/nvt/small molecule temp 300.0 300.0 1.0 + timestep 0.5 + fix integrate all rigid/nvt/small molecule temp 300.0 300.0 100.0 velocity all create 300.0 5463576 thermo_style custom step temp press etotal density pe ke thermo 1000 run 20000 - write_data tip4p.data nocoeff + write_data tip4p-explicit.data nocoeff .. _tip4p_molecule: .. code-block:: diff --git a/doc/src/Howto_tip5p.rst b/doc/src/Howto_tip5p.rst index 21cc78a684..10674a04b6 100644 --- a/doc/src/Howto_tip5p.rst +++ b/doc/src/Howto_tip5p.rst @@ -91,6 +91,7 @@ ID: units real atom_style charge + atom_modify map array region box block -5 5 -5 5 -5 5 create_box 3 box @@ -107,8 +108,8 @@ ID: molecule water tip5p.mol create_atoms 0 random 33 34564 NULL mol water 25367 overlap 1.33 - timestep 0.20 - fix integrate all rigid/nvt/small molecule temp 300.0 300.0 1.0 + timestep 0.5 + fix integrate all rigid/nvt/small molecule temp 300.0 300.0 100.0 reset_timestep 0 velocity all create 300.0 5463576 diff --git a/doc/src/Library_properties.rst b/doc/src/Library_properties.rst index 21e5609fc0..005bfaeea5 100644 --- a/doc/src/Library_properties.rst +++ b/doc/src/Library_properties.rst @@ -5,6 +5,7 @@ This section documents the following functions: - :cpp:func:`lammps_get_natoms` - :cpp:func:`lammps_get_thermo` +- :cpp:func:`lammps_last_thermo` - :cpp:func:`lammps_extract_box` - :cpp:func:`lammps_reset_box` - :cpp:func:`lammps_memory_usage` @@ -81,6 +82,11 @@ subdomains and processors. ----------------------- +.. doxygenfunction:: lammps_last_thermo + :project: progguide + +----------------------- + .. doxygenfunction:: lammps_extract_box :project: progguide diff --git a/doc/src/bond_bpm_rotational.rst b/doc/src/bond_bpm_rotational.rst index ba93d679ba..ca12d86ccc 100644 --- a/doc/src/bond_bpm_rotational.rst +++ b/doc/src/bond_bpm_rotational.rst @@ -24,14 +24,17 @@ Syntax *x, y, z* = the center of mass position of the 2 atoms when the bond broke (distance units) *x/ref, y/ref, z/ref* = the initial center of mass position of the 2 atoms (distance units) - *overlay/pair* value = none + *overlay/pair* value = *yes* or *no* bonded particles will still interact with pair forces *smooth* value = *yes* or *no* smooths bond forces near the breaking point - *break/no* - indicates that bonds should not break during a run + *normalize* value = *yes* or *no* + normalizes normal and shear forces by the reference length + + *break* value = *yes* or *no* + indicates whether bonds break during a run Examples """""""" @@ -136,16 +139,19 @@ or :doc:`read_restart ` commands: * :math:`\gamma_r` (force*distance/velocity units) * :math:`\gamma_t` (force*distance/velocity units) +However, the *normalize* option will normalize the radial and shear forces +by :math:`r_0` such that :math:`k_r` and :math:`k_s` are unit less. + By default, pair forces are not calculated between bonded particles. Pair forces can alternatively be overlaid on top of bond forces using -the *overlay/pair* keyword. These settings require specific +the *overlay/pair* option. These settings require specific :doc:`special_bonds ` settings described in the restrictions. Further details can be found in the `:doc: how to ` page on BPMs. .. versionadded:: 28Mar2023 -If the *break/no* keyword is used, then LAMMPS assumes bonds should not break +If the *break* option is used, then LAMMPS assumes bonds should not break during a simulation run. This will prevent some unnecessary calculation. However, if a bond does break, it will trigger an error. @@ -251,7 +257,7 @@ Related commands Default """"""" -The option defaults are *smooth* = *yes* +The option defaults are *overlay/pair* = *no*, *smooth* = *yes*, *normalize* = *no*, and *break* = *yes* ---------- diff --git a/doc/src/bond_bpm_spring.rst b/doc/src/bond_bpm_spring.rst index 5762dbe208..d89035dcad 100644 --- a/doc/src/bond_bpm_spring.rst +++ b/doc/src/bond_bpm_spring.rst @@ -24,14 +24,17 @@ Syntax *x, y, z* = the center of mass position of the 2 atoms when the bond broke (distance units) *x/ref, y/ref, z/ref* = the initial center of mass position of the 2 atoms (distance units) - *overlay/pair* value = none + *overlay/pair* value = *yes* or *no* bonded particles will still interact with pair forces *smooth* value = *yes* or *no* smooths bond forces near the breaking point - *break/no* - indicates that bonds should not break during a run + *normalize* value = *yes* or *no* + normalizes bond forces by the reference length + + *break* value = *yes* or *no* + indicates whether bonds break during a run Examples """""""" @@ -66,7 +69,7 @@ particles based on a model described by Clemmer and Robbins F = k (r - r_0) w -where :math:`k_r` is a stiffness, :math:`r` is the current distance +where :math:`k` is a stiffness, :math:`r` is the current distance and :math:`r_0` is the initial distance between the two particles, and :math:`w` is an optional smoothing factor discussed below. Bonds will break at a strain of :math:`\epsilon_c`. This is done by setting by @@ -102,16 +105,19 @@ the data file or restart files read by the :doc:`read_data * :math:`\epsilon_c` (unit less) * :math:`\gamma` (force/velocity units) +However, the *normalize* option will normalize the elastic bond force by +:math:`r_0` such that :math:`k` is unit less. + By default, pair forces are not calculated between bonded particles. Pair forces can alternatively be overlaid on top of bond forces using -the *overlay/pair* keyword. These settings require specific +the *overlay/pair* option. These settings require specific :doc:`special_bonds ` settings described in the restrictions. Further details can be found in the `:doc: how to ` page on BPMs. .. versionadded:: 28Mar2023 -If the *break/no* keyword is used, then LAMMPS assumes bonds should not break +If the *break* option is used, then LAMMPS assumes bonds should not break during a simulation run. This will prevent some unnecessary calculation. However, if a bond does break, it will trigger an error. @@ -206,7 +212,7 @@ Related commands Default """"""" -The option defaults are *smooth* = *yes* +The option defaults are *overlay/pair* = *no*, *smooth* = *yes*, *normalize* = *no*, and *break* = *yes* ---------- diff --git a/doc/src/compute_bond_local.rst b/doc/src/compute_bond_local.rst index f3fb752ebe..10e86bbe44 100644 --- a/doc/src/compute_bond_local.rst +++ b/doc/src/compute_bond_local.rst @@ -76,7 +76,10 @@ The value *force* is the magnitude of the force acting between the pair of atoms in the bond. The values *fx*, *fy*, and *fz* are the xyz components of -*force* between the pair of atoms in the bond. +*force* between the pair of atoms in the bond. For bond styles that apply +non-central forces, such as :doc:`bond_style bpm/rotational +`, these values only include the :math:`(x,y,z)` +components of the normal force component. The remaining properties are all computed for motion of the two atoms relative to the center of mass (COM) velocity of the 2 atoms in the diff --git a/doc/src/compute_fabric.rst b/doc/src/compute_fabric.rst index f1a5d3d7f9..b38ffafa48 100644 --- a/doc/src/compute_fabric.rst +++ b/doc/src/compute_fabric.rst @@ -146,13 +146,13 @@ m to :math:`M` (inclusive). A middle asterisk means all types from m to n Output info """"""""""" -This compute calculates a local vector of doubles and a scalar. The vector -stores the unique components of the first requested tensor in the order -:math:`xx`, :math:`yy`, :math:`zz`, :math:`xy`, :math:`xz`, :math:`yz` -followed by the same components for all subsequent tensors. +This compute calculates a global vector of doubles and a global scalar. The +vector stores the unique components of the first requested tensor in the +order :math:`xx`, :math:`yy`, :math:`zz`, :math:`xy`, :math:`xz`, +:math:`yz` followed by the same components for all subsequent tensors. The length of the vector is therefore six times the number of requested -tensors. The scalar output is the number of pairwise interactions included in -the calculation of the fabric tensor. +tensors. The scalar output is the number of pairwise interactions included +in the calculation of the fabric tensor. Restrictions """""""""""" diff --git a/doc/src/compute_pair_local.rst b/doc/src/compute_pair_local.rst index dace280dee..31209f63f4 100644 --- a/doc/src/compute_pair_local.rst +++ b/doc/src/compute_pair_local.rst @@ -66,7 +66,9 @@ The value *eng* is the interaction energy for the pair of atoms. The value *force* is the force acting between the pair of atoms, which is positive for a repulsive force and negative for an attractive force. The values *fx*, *fy*, and *fz* are the :math:`(x,y,z)` components of -*force* on atom I. +*force* on atom I. For pair styles that apply non-central forces, +such as :doc:`granular pair styles `, these values only include +the :math:`(x,y,z)` components of the normal force component. A pair style may define additional pairwise quantities which can be accessed as *p1* to *pN*, where :math:`N` is defined by the pair style. diff --git a/doc/src/compute_stress_mop.rst b/doc/src/compute_stress_mop.rst index 4ad2261bb0..5662fc76d4 100644 --- a/doc/src/compute_stress_mop.rst +++ b/doc/src/compute_stress_mop.rst @@ -18,7 +18,7 @@ Syntax * style = *stress/mop* or *stress/mop/profile* * dir = *x* or *y* or *z* is the direction normal to the plane * args = argument specific to the compute style -* keywords = *kin* or *conf* or *total* (one of more can be specified) +* keywords = *kin* or *conf* or *total* or *pair* or *bond* or *angle* (one or more can be specified) .. parsed-literal:: @@ -45,85 +45,107 @@ Examples Description """"""""""" -Compute *stress/mop* and compute *stress/mop/profile* define computations that -calculate components of the local stress tensor using the method of -planes :ref:`(Todd) `. Specifically in compute *stress/mop* calculates 3 -components are computed in directions *dir*,\ *x*\ ; *dir*,\ *y*\ ; and -*dir*,\ *z*\ ; where *dir* is the direction normal to the plane, while -in compute *stress/mop/profile* the profile of the stress is computed. +Compute *stress/mop* and compute *stress/mop/profile* define +computations that calculate components of the local stress tensor using +the method of planes :ref:`(Todd) `. Specifically in compute +*stress/mop* calculates 3 components are computed in directions *dir*,\ +*x*\ ; *dir*,\ *y*\ ; and *dir*,\ *z*\ ; where *dir* is the direction +normal to the plane, while in compute *stress/mop/profile* the profile +of the stress is computed. Contrary to methods based on histograms of atomic stress (i.e., using -:doc:`compute stress/atom `), the method of planes is -compatible with mechanical balance in heterogeneous systems and at +:doc:`compute stress/atom `), the method of planes +is compatible with mechanical balance in heterogeneous systems and at interfaces :ref:`(Todd) `. The stress tensor is the sum of a kinetic term and a configurational term, which are given respectively by Eq. (21) and Eq. (16) in -:ref:`(Todd) `. For the kinetic part, the algorithm considers that -atoms have crossed the plane if their positions at times :math:`t-\Delta t` -and :math:`t` are one on either side of the plane, and uses the velocity at -time :math:`t-\Delta t/2` given by the velocity Verlet algorithm. +:ref:`(Todd) `. For the kinetic part, the algorithm considers +that atoms have crossed the plane if their positions at times +:math:`t-\Delta t` and :math:`t` are one on either side of the plane, +and uses the velocity at time :math:`t-\Delta t/2` given by the velocity +Verlet algorithm. -Between one and three keywords can be used to indicate which -contributions to the stress must be computed: kinetic stress (kin), -configurational stress (conf), and/or total stress (total). +.. versionadded:: TBD -NOTE 1: The configurational stress is computed considering all pairs of atoms where at least one atom belongs to group group-ID. + contributions from bond and angle potentials + +Between one and six keywords can be used to indicate which contributions +to the stress must be computed: total stress (total), kinetic stress +(kin), configurational stress (conf), stress due to bond stretching +(bond), stress due to angle bending (angle) and/or due to pairwise +non-bonded interactions (pair). The angle keyword is currently +available only for the *stress/mop* command and **not** the +*stress/mop/profile* command. + +NOTE 1: The configurational stress is computed considering all pairs of +atoms where at least one atom belongs to group group-ID. NOTE 2: The local stress does not include any Lennard-Jones tail -corrections to the stress added by the :doc:`pair_modify tail yes ` -command, since those are contributions to the global system pressure. +corrections to the stress added by the :doc:`pair_modify tail yes +` command, since those are contributions to the global +system pressure. -NOTE 3: The local stress profile generated by compute *stress/mop/profile* -is similar to that obtained by compute -:doc:`stress/cartesian `. -A key difference is that compute *stress/mop/profile* considers particles -crossing a set of planes, while compute *stress/cartesian* computes averages -for a set of small volumes. More information -on the similarities and differences can be found in -:ref:`(Ikeshoji)`. +NOTE 3: The local stress profile generated by compute +*stress/mop/profile* is similar to that obtained by compute +:doc:`stress/cartesian `. A key difference is +that compute *stress/mop/profile* considers particles crossing a set of +planes, while compute *stress/cartesian* computes averages for a set of +small volumes. More information on the similarities and differences can +be found in :ref:`(Ikeshoji)`. Output info """"""""""" -Compute *stress/mop* calculates a global vector (indices starting at 1), with 3 -values for each declared keyword (in the order the keywords have been -declared). For each keyword, the stress tensor components are ordered as -follows: stress_dir,x, stress_dir,y, and stress_dir,z. +Compute *stress/mop* calculates a global vector (indices starting at 1), +with 3 values for each declared keyword (in the order the keywords have +been declared). For each keyword, the stress tensor components are +ordered as follows: stress_dir,x, stress_dir,y, and stress_dir,z. -Compute *stress/mop/profile* instead calculates a global array, with 1 column -giving the position of the planes where the stress tensor was computed, -and with 3 columns of values for each declared keyword (in the order the -keywords have been declared). For each keyword, the profiles of stress -tensor components are ordered as follows: stress_dir,x; stress_dir,y; -and stress_dir,z. +Compute *stress/mop/profile* instead calculates a global array, with 1 +column giving the position of the planes where the stress tensor was +computed, and with 3 columns of values for each declared keyword (in the +order the keywords have been declared). For each keyword, the profiles +of stress tensor components are ordered as follows: stress_dir,x; +stress_dir,y; and stress_dir,z. The values are in pressure :doc:`units `. -The values produced by this compute can be accessed by various :doc:`output commands `. -For instance, the results can be written to a file using the -:doc:`fix ave/time ` command. Please see the example -in the examples/PACKAGES/mop folder. +The values produced by this compute can be accessed by various +:doc:`output commands `. For instance, the results can be +written to a file using the :doc:`fix ave/time ` +command. Please see the example in the examples/PACKAGES/mop folder. Restrictions """""""""""" -These styles are part of the EXTRA-COMPUTE package. They are only enabled if -LAMMPS is built with that package. See the :doc:`Build package ` -doc page on for more info. +These styles are part of the EXTRA-COMPUTE package. They are only +enabled if LAMMPS is built with that package. See the :doc:`Build +package ` doc page on for more info. The method is only implemented for 3d orthogonal simulation boxes whose size does not change in time, and axis-aligned planes. The method only works with two-body pair interactions, because it -requires the class method pair->single() to be implemented. In -particular, it does not work with more than two-body pair interactions, -intra-molecular interactions, and long range (kspace) interactions. +requires the class method ``Pair::single()`` to be implemented, which is +not possible for manybody potentials. In particular, compute +*stress/mop/profile* does not work with more than two-body pair +interactions, long range (kspace) interactions and +angle/dihedral/improper intramolecular interactions. Similarly, compute +*stress/mop* does not work with more than two-body pair interactions, +long range (kspace) interactions and dihedral/improper intramolecular +interactions but works with all bond interactions with the class method +single() implemented and all angle interactions with the class method +born_matrix() implemented. Related commands """""""""""""""" -:doc:`compute stress/atom `, :doc:`compute pressure `, :doc:`compute stress/cartesian `, :doc:`compute stress/cylinder `, :doc:`compute stress/spherical ` +:doc:`compute stress/atom `, +:doc:`compute pressure `, +:doc:`compute stress/cartesian `, +:doc:`compute stress/cylinder `, +:doc:`compute stress/spherical ` Default """"""" diff --git a/doc/src/dump_modify.rst b/doc/src/dump_modify.rst index f00cc339cc..0ac2afbeee 100644 --- a/doc/src/dump_modify.rst +++ b/doc/src/dump_modify.rst @@ -753,9 +753,13 @@ run, this option is ignored since the output is already balanced. ---------- The *thermo* keyword only applies the dump styles *netcdf* and *yaml*. -It triggers writing of :doc:`thermo ` information to the dump file -alongside per-atom data. The values included in the dump file are -identical to the values specified by :doc:`thermo_style `. +It triggers writing of :doc:`thermo ` information to the dump +file alongside per-atom data. The values included in the dump file are +cached values from the last thermo output and include the exact same the +values as specified by the :doc:`thermo_style ` command. +Because these are cached values, they are only up-to-date when dump +output is on a timestep that also has thermo output. Dump style *yaml* +will skip thermo output on incompatible steps. ---------- diff --git a/doc/src/fix.rst b/doc/src/fix.rst index 8cee9dd687..cdf6be866b 100644 --- a/doc/src/fix.rst +++ b/doc/src/fix.rst @@ -323,7 +323,8 @@ accelerated styles exist. * :doc:`pafi ` - constrained force averages on hyper-planes to compute free energies (PAFI) * :doc:`pair ` - access per-atom info from pair styles * :doc:`phonon ` - calculate dynamical matrix from MD simulations -* :doc:`pimd/nvt ` - Feynman path integral molecular dynamics with Nose-Hoover thermostat +* :doc:`pimd/langevin ` - Feynman path-integral molecular dynamics with stochastic thermostat +* :doc:`pimd/nvt ` - Feynman path-integral molecular dynamics with Nose-Hoover thermostat * :doc:`planeforce ` - constrain atoms to move in a plane * :doc:`plumed ` - wrapper on PLUMED free energy library * :doc:`poems ` - constrain clusters of atoms to move as coupled rigid bodies diff --git a/doc/src/fix_pimd.rst b/doc/src/fix_pimd.rst index eae14e9e86..c08a4005f5 100644 --- a/doc/src/fix_pimd.rst +++ b/doc/src/fix_pimd.rst @@ -1,5 +1,9 @@ +.. index:: fix pimd/langevin .. index:: fix pimd/nvt +fix pimd/langevin command +========================= + fix pimd/nvt command ==================== @@ -8,72 +12,107 @@ Syntax .. parsed-literal:: - fix ID group-ID pimd/nvt keyword value ... + fix ID group-ID style keyword value ... * ID, group-ID are documented in :doc:`fix ` command -* pimd/nvt = style name of this fix command +* style = *pimd/langevin* or *pimd/nvt* = style name of this fix command * zero or more keyword/value pairs may be appended -* keyword = *method* or *fmass* or *sp* or *temp* or *nhc* +* keywords for style *pimd/nvt* .. parsed-literal:: - + *keywords* = *method* or *fmass* or *sp* or *temp* or *nhc* *method* value = *pimd* or *nmpimd* or *cmd* *fmass* value = scaling factor on mass *sp* value = scaling factor on Planck constant - *temp* value = temperature (temperarate units) + *temp* value = temperature (temperature units) *nhc* value = Nc = number of chains in Nose-Hoover thermostat +* keywords for style *pimd/langevin* + + .. parsed-literal:: + *keywords* = *method* or *integrator* or *ensemble* or *fmmode* or *fmass* or *scale* or *temp* or *thermostat* or *tau* or *iso* or *aniso* or *barostat* or *taup* or *fixcom* or *lj* + *method* value = *nmpimd* + *integrator* value = *obabo* or *baoab* + *fmmode* value = *physical* or *normal* + *fmass* value = scaling factor on mass + *temp* value = temperature (temperature unit) + temperature = target temperature of the thermostat + *thermostat* values = style seed + style value = *PILE_L* + seed = random number generator seed + *tau* value = thermostat damping parameter (time unit) + *scale* value = scaling factor of the damping times of non-centroid modes of PILE_L thermostat + *iso* or *aniso* values = pressure (pressure unit) + pressure = scalar external pressure of the barostat + *barostat* value = *BZP* or *MTTK* + *taup* value = barostat damping parameter (time unit) + *fixcom* value = *yes* or *no* + *lj* values = epsilon sigma mass planck mvv2e + epsilon = energy scale for reduced units (energy units) + sigma = length scale for reduced units (length units) + mass = mass scale for reduced units (mass units) + planck = Planck's constant for other unit style + mvv2e = mass * velocity^2 to energy conversion factor for other unit style + Examples """""""" .. code-block:: LAMMPS fix 1 all pimd/nvt method nmpimd fmass 1.0 sp 2.0 temp 300.0 nhc 4 + fix 1 all pimd/langevin ensemble npt integrator obabo temp 113.15 thermostat PILE_L 1234 tau 1.0 iso 1.0 barostat BZP taup 1.0 Description """"""""""" .. versionchanged:: 28Mar2023 -Fix pimd was renamed to fix pimd/nvt. +Fix pimd was renamed to fix *pimd/nvt* and fix *pimd/langevin* was added. -This command performs quantum molecular dynamics simulations based on -the Feynman path integral to include effects of tunneling and +These fix commands perform quantum molecular dynamics simulations based +on the Feynman path-integral to include effects of tunneling and zero-point motion. In this formalism, the isomorphism of a quantum partition function for the original system to a classical partition function for a ring-polymer system is exploited, to efficiently sample configurations from the canonical ensemble :ref:`(Feynman) `. + The classical partition function and its components are given by the following equations: .. math:: Z = & \int d{\bf q} d{\bf p} \cdot \textrm{exp} [ -\beta H_{eff} ] \\ - H_{eff} = & \bigg(\sum_{i=1}^P \frac{p_i^2}{2m_i}\bigg) + V_{eff} \\ + H_{eff} = & \bigg(\sum_{i=1}^P \frac{p_i^2}{2M_i}\bigg) + V_{eff} \\ V_{eff} = & \sum_{i=1}^P \bigg[ \frac{mP}{2\beta^2 \hbar^2} (q_i - q_{i+1})^2 + \frac{1}{P} V(q_i)\bigg] +:math:`M_i` is the fictitious mass of the :math:`i`-th mode, and m is the actual mass of the atoms. + The interested user is referred to any of the numerous references on -this methodology, but briefly, each quantum particle in a path -integral simulation is represented by a ring-polymer of P quasi-beads, -labeled from 1 to P. During the simulation, each quasi-bead interacts -with beads on the other ring-polymers with the same imaginary time -index (the second term in the effective potential above). The -quasi-beads also interact with the two neighboring quasi-beads through -the spring potential in imaginary-time space (first term in effective -potential). To sample the canonical ensemble, a Nose-Hoover massive -chain thermostat is applied :ref:`(Tuckerman) `. With the -massive chain algorithm, a chain of NH thermostats is coupled to each -degree of freedom for each quasi-bead. The keyword *temp* sets the -target temperature for the system and the keyword *nhc* sets the -number *Nc* of thermostats in each chain. For example, for a -simulation of N particles with P beads in each ring-polymer, the total -number of NH thermostats would be 3 x N x P x Nc. +this methodology, but briefly, each quantum particle in a path integral +simulation is represented by a ring-polymer of P quasi-beads, labeled +from 1 to P. During the simulation, each quasi-bead interacts with +beads on the other ring-polymers with the same imaginary time index (the +second term in the effective potential above). The quasi-beads also +interact with the two neighboring quasi-beads through the spring +potential in imaginary-time space (first term in effective potential). +To sample the canonical ensemble, any thermostat can be applied. + +Fix *pimd/nvt* applies a Nose-Hoover massive chain thermostat +:ref:`(Tuckerman) `. With the massive chain +algorithm, a chain of NH thermostats is coupled to each degree of +freedom for each quasi-bead. The keyword *temp* sets the target +temperature for the system and the keyword *nhc* sets the number *Nc* of +thermostats in each chain. For example, for a simulation of N particles +with P beads in each ring-polymer, the total number of NH thermostats +would be 3 x N x P x Nc. + +Fix *pimd/langevin* implements a Langevin thermostat in the normal mode +representation, and also provides a barostat to sample the NPH/NPT ensembles. .. note:: - Fix pimd/nvt implements a complete velocity-verlet integrator - combined with NH massive chain thermostat, so no other time - integration fix should be used. + Both these *fix* styles implement a complete velocity-verlet integrator + combined with a thermostat, so no other time integration fix should be used. The *method* keyword determines what style of PIMD is performed. A value of *pimd* is standard PIMD. A value of *nmpimd* is for @@ -81,7 +120,7 @@ normal-mode PIMD. A value of *cmd* is for centroid molecular dynamics (CMD). The difference between the styles is as follows. In standard PIMD, the value used for a bead's fictitious mass is - arbitrary. A common choice is to use Mi = m/P, which results in the + arbitrary. A common choice is to use :math:`M_i = m/P`, which results in the mass of the entire ring-polymer being equal to the real quantum particle. But it can be difficult to efficiently integrate the equations of motion for the stiff harmonic interactions in the ring @@ -97,6 +136,10 @@ normal-mode PIMD. A value of *cmd* is for centroid molecular dynamics overall translation of the ring-polymer and is assigned the mass of the real particle. +.. note:: + Fix pimd/langevin only supports *method* value *nmpimd*. This should be enough + for most PIMD applications for quantum thermodynamics purpose. + Motion of the centroid can be effectively uncoupled from the other normal modes by scaling the fictitious masses to achieve a partial adiabatic separation. This is called a Centroid Molecular Dynamics @@ -108,17 +151,86 @@ normal-mode PIMD. A value of *cmd* is for centroid molecular dynamics only the k > 0 modes are thermostatted, not the centroid degrees of freedom. +The keyword *integrator* specifies the Trotter splitting method used by *fix pimd/langevin*. +See :ref:`(Liu) ` for a discussion on the OBABO and BAOAB splitting schemes. Typically +either of the two should work fine. + The keyword *fmass* sets a further scaling factor for the fictitious masses of beads, which can be used for the Partial Adiabatic CMD :ref:`(Hone) `, or to be set as P, which results in the fictitious masses to be equal to the real particle masses. +The keyword *fmmode* of *fix pimd/langevin* determines the mode of fictitious +mass preconditioning. There are two options: *physical* and *normal*. If *fmmode* is +*physical*, then the physical mass of the particles are used (and then multiplied by +*fmass*). If *fmmode* is *normal*, then the physical mass is first multiplied by the +eigenvalue of each normal mode, and then multiplied by *fmass*. More precisely, the +fictitious mass of *fix pimd/langevin* is determined by two factors: *fmmode* and *fmass*. +If *fmmode* is *physical*, then the fictitious mass is + +.. math:: + + M_i = \mathrm{fmass} \times m + +If *fmmode* is *normal*, then the fictitious mass is + +.. math:: + + M_i = \mathrm{fmass} \times \lambda_i \times m + +where :math:`\lambda_i` is the eigenvalue of the :math:`i`-th normal mode. + +.. note:: + + Fictitious mass is only used in the momentum of the equation of motion + (:math:`\mathbf{p}_i=M_i\mathbf{v}_i`), and not used in the spring elastic energy + (:math:`\sum_{i=1}^P \frac{1}{2}m\omega_P^2(q_i - q_{i+1})^2`, :math:`m` is always the + actual mass of the particles). + The keyword *sp* is a scaling factor on Planck's constant, which can be useful for debugging or other purposes. The default value of 1.0 is appropriate for most situations. +The keyword *ensemble* for fix style *pimd/langevin* determines which ensemble is it +going to sample. The value can be *nve* (microcanonical), *nvt* (canonical), *nph* (isoenthalpic), +and *npt* (isothermal-isobaric). + +The keyword *temp* specifies temperature parameter for fix styles *pimd/nvt* and *pimd/langevin*. It should read +a positive floating-point number. + +.. note:: + + For pimd simulations, a temperature values should be specified even for nve ensemble. Temperature will make a difference + for nve pimd, since the spring elastic frequency between the beads will be affected by the temperature. + +The keyword *thermostat* reads *style* and *seed* of thermostat for fix style *pimd/langevin*. *style* can only +be *PILE_L* (path integral Langevin equation local thermostat, as described in :ref:`Ceriotti `), and *seed* should a positive integer number, which serves as the seed of the pseudo random number generator. + +.. note:: + The fix style *pimd/langevin* uses the stochastic PILE_L thermostat to control temperature. This thermostat works on the normal modes + of the ring polymer. The *tau* parameter controls the centroid mode, and the *scale* parameter controls the non-centroid modes. + +The keyword *tau* specifies the thermostat damping time parameter for fix style *pimd/langevin*. It is in time unit. It only works on the centroid mode. + +The keyword *scale* specifies a scaling parameter for the damping times of the non-centroid modes for fix style *pimd/langevin*. The default +damping time of the non-centroid mode :math:`i` is :math:`\frac{P}{\beta\hbar}\sqrt{\lambda_i\times\mathrm{fmass}}` (*fmmode* is *physical*) or :math:`\frac{P}{\beta\hbar}\sqrt{\mathrm{fmass}}` (*fmmode* is *normal*). The damping times of all non-centroid modes are the default values divided by *scale*. + +The barostat parameters for fix style *pimd/langevin* with *npt* or *nph* ensemble is specified using one of *iso* and *aniso* +keywords. A *pressure* value should be given with pressure unit. The keyword *iso* means couple all 3 diagonal components together when pressure is computed (hydrostatic pressure), and dilate/contract the dimensions together. The keyword *aniso* means x, y, and z dimensions are controlled independently using the Pxx, Pyy, and Pzz components of the stress tensor as the driving forces, and the specified scalar external pressure. + +The keyword *barostat* reads *style* of barostat for fix style *pimd/langevin*. *style* can +be *BZP* (Bussi-Zykova-Parrinello, as described in :ref:`Bussi `) or *MTTK* (Martyna-Tuckerman-Tobias-Klein, as described in :ref:`Martyna1 ` and :ref:`Martyna2 `). + +The keyword *taup* specifies the barostat damping time parameter for fix style *pimd/langevin*. It is in time unit. + +The keyword *fixcom* specifies whether the center-of-mass of the extended ring-polymer system is fixed during the pimd simulation. +Once *fixcom* is set to be *yes*, the center-of-mass velocity will be distracted from the centroid-mode velocities in each step. + +The keyword *lj* should be used if :doc:`lj units ` is used for *fix pimd/langevin*. Typically one may want to use +reduced units to run the simulation, and then convert the results into some physical units (for example, :doc:`metal units `). In this case, the 5 quantities in the physical mass units are needed: epsilon (energy scale), sigma (length scale), mass, Planck's constant, mvv2e (mass * velocity^2 to energy conversion factor). Planck's constant and mvv2e can be found in src/update.cpp. If there is no need to convert reduced units to physical units, set all these five value to 1. + The PIMD algorithm in LAMMPS is implemented as a hyper-parallel scheme -as described in :ref:`(Calhoun) `. In LAMMPS this is done by using +as described in :ref:`Calhoun `. In LAMMPS this is done by using :doc:`multi-replica feature ` in LAMMPS, where each quasi-particle system is stored and simulated on a separate partition of processors. The following diagram illustrates this approach. The @@ -152,22 +264,49 @@ related tasks for each of the partitions, e.g. .. code-block:: LAMMPS dump dcd all dcd 10 system_${ibead}.dcd + dump 1 all custom 100 ${ibead}.xyz id type x y z vx vy vz ix iy iz fx fy fz restart 1000 system_${ibead}.restart1 system_${ibead}.restart2 read_restart system_${ibead}.restart2 +.. note:: + Fix *pimd/langevin* dumps the Cartesian coordinates, but dumps the velocities and + forces in the normal mode representation. If the Cartesian velocities and forces are + needed, it is easy to perform the transformation when doing post-processing. + + It is recommended to dump the image flags (*ix iy iz*) for fix *pimd/langevin*. It + will be useful if you want to calculate some estimators during post-processing. + +Major differences of *fix pimd/nvt* and *fix pimd/langevin* are: + + #. *Fix pimd/nvt* includes Cartesian pimd, normal mode pimd, and centroid md. *Fix pimd/langevin* only intends to support normal mode pimd, as it is commonly enough for thermodynamic sampling. + #. *Fix pimd/nvt* uses Nose-Hoover chain thermostat. *Fix pimd/langevin* uses Langevin thermostat. + #. *Fix pimd/langevin* provides barostat, so the npt ensemble can be sampled. *Fix pimd/nvt* only support nvt ensemble. + #. *Fix pimd/langevin* provides several quantum estimators in output. + #. *Fix pimd/langevin* allows multiple processes for each bead. For *fix pimd/nvt*, there is a large chance that multi-process tasks for each bead may fail. + #. The dump of *fix pimd/nvt* are all Cartesian. *Fix pimd/langevin* dumps normal-mode velocities and forces, and Cartesian coordinates. + +Initially, the inter-replica communication and normal mode transformation parts of *fix pimd/langevin* are written based on +those of *fix pimd/nvt*, but are significantly revised. + Restart, fix_modify, output, run start/stop, minimize info """"""""""""""""""""""""""""""""""""""""""""""""""""""""""" -Fix pimd/nvt writes the state of the Nose/Hoover thermostat over all +Fix *pimd/nvt* writes the state of the Nose/Hoover thermostat over all quasi-beads to :doc:`binary restart files `. See the :doc:`read_restart ` command for info on how to re-specify a fix in an input script that reads a restart file, so that the operation of the fix continues in an uninterrupted fashion. +Fix *pimd/langevin* writes the state of the barostat overall beads to +:doc:`binary restart files `. Since it uses a stochastic thermostat, +the state of the thermostat is not written. However, the state of the system +can be restored by reading the restart file, except that it will re-initialize +the random number generator. + None of the :doc:`fix_modify ` options are relevant to fix pimd/nvt. -Fix pimd/nvt computes a global 3-vector, which can be accessed by +Fix *pimd/nvt* computes a global 3-vector, which can be accessed by various :doc:`output commands `. The three quantities in the global vector are: @@ -176,21 +315,80 @@ the global vector are: #. the current value of the scalar virial estimator for the kinetic energy of the quantum system :ref:`(Herman) `. -The vector values calculated by fix pimd/nvt are "extensive", except for the +The vector values calculated by fix *pimd/nvt* are "extensive", except for the temperature, which is "intensive". -No parameter of fix pimd/nvt can be used with the *start/stop* keywords -of the :doc:`run ` command. Fix pimd/nvt is not invoked during +Fix *pimd/langevin* computes a global vector of quantities, which +can be accessed by various :doc:`output commands `. Note that +it outputs multiple log files, and different log files contain information +about different beads or modes (see detailed explanations below). If *ensemble* +is *nve* or *nvt*, the vector has 10 values: + + #. kinetic energy of the normal mode + #. spring elastic energy of the normal mode + #. potential energy of the bead + #. total energy of all beads (conserved if *ensemble* is *nve*) + #. primitive kinetic energy estimator + #. virial energy estimator + #. centroid-virial energy estimator + #. primitive pressure estimator + #. thermodynamic pressure estimator + #. centroid-virial pressure estimator + +The first 3 are different for different log files, and the others are the same for different log files. + +If *ensemble* is *nph* or *npt*, the vector stores internal variables of the barostat. If *iso* is used, +the vector has 15 values: + + #. kinetic energy of the normal mode + #. spring elastic energy of the normal mode + #. potential energy of the bead + #. total energy of all beads (conserved if *ensemble* is *nve*) + #. primitive kinetic energy estimator + #. virial energy estimator + #. centroid-virial energy estimator + #. primitive pressure estimator + #. thermodynamic pressure estimator + #. centroid-virial pressure estimator + #. barostat velocity + #. barostat kinetic energy + #. barostat potential energy + #. barostat cell Jacobian + #. enthalpy of the extended system (sum of 4, 12, 13, and 14; conserved if *ensemble* is *nph*) + +If *aniso* or *x* or *y* or *z* is used for the barostat, the vector has 17 values: + + #. kinetic energy of the normal mode + #. spring elastic energy of the normal mode + #. potential energy of the bead + #. total energy of all beads (conserved if *ensemble* is *nve*) + #. primitive kinetic energy estimator + #. virial energy estimator + #. centroid-virial energy estimator + #. primitive pressure estimator + #. thermodynamic pressure estimator + #. centroid-virial pressure estimator + #. x component of barostat velocity + #. y component of barostat velocity + #. z component of barostat velocity + #. barostat kinetic energy + #. barostat potential energy + #. barostat cell Jacobian + #. enthalpy of the extended system (sum of 4, 14, 15, and 16; conserved if *ensemble* is *nph*) + +No parameter of fix *pimd/nvt* or *pimd/langevin* can be used with the *start/stop* keywords +of the :doc:`run ` command. Fix *pimd/nvt* or *pimd/langevin* is not invoked during :doc:`energy minimization `. Restrictions """""""""""" -This fix is part of the REPLICA package. It is only enabled if LAMMPS -was built with that package. See the :doc:`Build package +These fixes are part of the REPLICA package. They are only enabled if +LAMMPS was built with that package. See the :doc:`Build package ` page for more info. -Fix pimd/nvt cannot be used with :doc:`lj units `. +Fix *pimd/nvt* cannot be used with :doc:`lj units `. +Fix *pimd/langevin* can be used with :doc:`lj units `. See the above part for how to use it. A PIMD simulation can be initialized with a single data file read via the :doc:`read_data ` command. However, this means all @@ -207,7 +405,7 @@ variable, e.g. Default """"""" -The keyword defaults for fix pimd/nvt are method = pimd, fmass = 1.0, sp +The keyword defaults for fix *pimd/nvt* are method = pimd, fmass = 1.0, sp = 1.0, temp = 300.0, and nhc = 2. ---------- @@ -243,3 +441,22 @@ Path Integrals, McGraw-Hill, New York (1965). **(Herman)** M. F. Herman, E. J. Bruskin, B. J. Berne, J Chem Phys, 76, 5150 (1982). +.. _Bussi: + +**(Bussi)** G. Bussi, T. Zykova-Timan, M. Parrinello, J Chem Phys, 130, 074101 (2009). + +.. _Ceriotti3: + +**(Ceriotti)** M. Ceriotti, M. Parrinello, T. Markland, D. Manolopoulos, J. Chem. Phys. 133, 124104 (2010). + +.. _Martyna3: + +**(Martyna1)** G. Martyna, D. Tobias, M. Klein, J. Chem. Phys. 101, 4177 (1994). + +.. _Martyna4: + +**(Martyna2)** G. Martyna, A. Hughes, M. Tuckerman, J. Chem. Phys. 110, 3275 (1999). + +.. _Liujian: + +**(Liu)** J. Liu, D. Li, X. Liu, J. Chem. Phys. 145, 024103 (2016). diff --git a/doc/src/fix_reaxff_species.rst b/doc/src/fix_reaxff_species.rst index f57132f08b..c22c9d7b9f 100644 --- a/doc/src/fix_reaxff_species.rst +++ b/doc/src/fix_reaxff_species.rst @@ -25,7 +25,7 @@ Syntax .. parsed-literal:: *cutoff* value = I J Cutoff - I, J = atom types + I, J = atom types (see asterisk form below) Cutoff = Bond-order cutoff value for this pair of atom types *element* value = Element1, Element2, ... *position* value = posfreq filepos @@ -49,7 +49,7 @@ Examples .. code-block:: LAMMPS fix 1 all reaxff/species 10 10 100 species.out - fix 1 all reaxff/species 1 2 20 species.out cutoff 1 1 0.40 cutoff 1 2 0.55 + fix 1 all reaxff/species 1 2 20 species.out cutoff 1 1 0.40 cutoff 1 2*3 0.55 fix 1 all reaxff/species 1 100 100 species.out element Au O H position 1000 AuOH.pos fix 1 all reaxff/species 1 100 100 species.out delete species.del masslimit 0 50 @@ -88,13 +88,24 @@ If the filename ends with ".gz", the output file is written in gzipped format. A gzipped dump file will be about 3x smaller than the text version, but will also take longer to write. +.. versionadded:: TBD + + Support for wildcards added + Optional keyword *cutoff* can be assigned to change the minimum bond-order values used in identifying chemical bonds between pairs of atoms. Bond-order cutoffs should be carefully chosen, as bond-order -cutoffs that are too small may include too many bonds (which will -result in an error), while cutoffs that are too large will result in -fragmented molecules. The default cutoff of 0.3 usually gives good -results. +cutoffs that are too small may include too many bonds (which will result +in an error), while cutoffs that are too large will result in fragmented +molecules. The default cutoff of 0.3 usually gives good results. A +wildcard asterisk can be used in place of or in conjunction with the I,J +arguments to set the bond-order cutoff for multiple pairs of atom types. +This takes the form "\*" or "\*n" or "n\*" or "m\*n". If :math:`N` is +the number of atom types, then an asterisk with no numeric values means +all types from 1 to :math:`N`. A leading asterisk means all types from +1 to n (inclusive). A trailing asterisk means all types from n to +:math:`N` (inclusive). A middle asterisk means all types from m to n +(inclusive). The optional keyword *element* can be used to specify the chemical symbol printed for each LAMMPS atom type. The number of symbols must diff --git a/doc/src/pair_aip_water_2dm.rst b/doc/src/pair_aip_water_2dm.rst new file mode 100644 index 0000000000..532ee8f8f6 --- /dev/null +++ b/doc/src/pair_aip_water_2dm.rst @@ -0,0 +1,167 @@ +.. index:: pair_style aip/water/2dm +.. index:: pair_style aip/water/2dm/opt + +pair_style aip/water/2dm command +=================================== + +Accelerator Variant: *aip/water/2dm/opt* + +Syntax +"""""" + +.. code-block:: LAMMPS + + pair_style [hybrid/overlay ...] aip/water/2dm cutoff tap_flag + +* cutoff = global cutoff (distance units) +* tap_flag = 0/1 to turn off/on the taper function + +Examples +"""""""" + +.. code-block:: LAMMPS + + pair_style hybrid/overlay aip/water/2dm 16.0 1 + pair_coeff * * aip/water/2dm COH.aip.water.2dm C Ow Hw + + pair_style hybrid/overlay aip/water/2dm 16.0 lj/cut/tip4p/long 2 3 1 1 0.1546 10 8.5 + pair_coeff 2 2 lj/cut/tip4p/long 8.0313e-3 3.1589 # O-O + pair_coeff 2 3 lj/cut/tip4p/long 0.0 0.0 # O-H + pair_coeff 3 3 lj/cut/tip4p/long 0.0 0.0 # H-H + pair_coeff * * aip/water/2dm COH.aip.water.2dm C Ow Hw + +Description +""""""""""" + +.. versionadded:: TBD + +The *aip/water/2dm* style computes the anisotropic interfacial potential +(AIP) potential for interfaces of water with two-dimensional (2D) +materials as described in :ref:`(Feng) `. + +.. math:: + + E = & \frac{1}{2} \sum_i \sum_{j \neq i} V_{ij} \\ + V_{ij} = & {\rm Tap}(r_{ij})\left \{ e^{-\alpha (r_{ij}/\beta -1)} + \left [ \epsilon + f(\rho_{ij}) + f(\rho_{ji})\right ] - + \frac{1}{1+e^{-d\left [ \left ( r_{ij}/\left (s_R \cdot r^{eff} \right ) \right )-1 \right ]}} + \cdot \frac{C_6}{r^6_{ij}} \right \}\\ + \rho_{ij}^2 = & r_{ij}^2 - ({\bf r}_{ij} \cdot {\bf n}_i)^2 \\ + \rho_{ji}^2 = & r_{ij}^2 - ({\bf r}_{ij} \cdot {\bf n}_j)^2 \\ + f(\rho) = & C e^{ -( \rho / \delta )^2 } \\ + {\rm Tap}(r_{ij}) = & 20\left ( \frac{r_{ij}}{R_{cut}} \right )^7 - + 70\left ( \frac{r_{ij}}{R_{cut}} \right )^6 + + 84\left ( \frac{r_{ij}}{R_{cut}} \right )^5 - + 35\left ( \frac{r_{ij}}{R_{cut}} \right )^4 + 1 + +Where :math:`\mathrm{Tap}(r_{ij})` is the taper function which provides +a continuous cutoff (up to third derivative) for interatomic separations +larger than :math:`r_c` :doc:`pair_style ilp_graphene_hbn +`. + +.. note:: + + This pair style uses the atomic normal vector definition from + :ref:`(Feng) `), where the atomic normal vectors of the + hydrogen atoms are assumed to lie along the corresponding + oxygen-hydrogen bonds and the normal vector of the central oxygen + atom is defined as their average. + +The provided parameter file, ``COH.aip.water.2dm``, is intended for use +with *metal* :doc:`units `, with energies in meV. Two additional +parameters, *S*, and *rcut* are included in the parameter file. *S* is +designed to facilitate scaling of energies; *rcut* is the cutoff for an +internal, short distance neighbor list that is generated for speeding up +the calculation of the normals for all atom pairs. + +.. note:: + + The parameters presented in the provided parameter file, + ``COH.aip.water.2dm``, are fitted with the taper function enabled by + setting the cutoff equal to 16.0 Angstrom. Using a different cutoff + or taper function setting should be carefully checked as they can + lead to significant errors. These parameters provide a good + description in both short- and long-range interaction regimes. This + is essential for simulations in high pressure regime (i.e., the + interlayer distance is smaller than the equilibrium distance). + +This potential must be used in combination with hybrid/overlay. Other +interactions can be set to zero using :doc:`pair_coeff settings +` with the pair style set to *none*\ . + +This pair style tallies a breakdown of the total interlayer potential +energy into sub-categories, which can be accessed via the :doc:`compute +pair ` command as a vector of values of length 2. The 2 +values correspond to the following sub-categories: + +1. *E_vdW* = vdW (attractive) energy +2. *E_Rep* = Repulsive energy + +To print these quantities to the log file (with descriptive column +headings) the following commands could be included in an input script: + +.. code-block:: LAMMPS + + compute 0 all pair aip/water/2dm + variable Evdw equal c_0[1] + variable Erep equal c_0[2] + thermo_style custom step temp epair v_Erep v_Evdw + +---------- + +.. include:: accel_styles.rst + +---------- + +Mixing, shift, table, tail correction, restart, rRESPA info +""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" + +This pair style does not support the pair_modify mix, shift, table, and +tail options. + +This pair style does not write their information to binary restart +files, since it is stored in potential files. Thus, you need to +re-specify the pair_style and pair_coeff commands in an input script +that reads a restart file. + +Restrictions +"""""""""""" + +This pair style is part of the INTERLAYER package. It is only enabled +if LAMMPS was built with that package. See the :doc:`Build package +` page for more info. + +This pair style requires the newton setting to be *on* for pair +interactions. + +The ``COH.aip.water.2dm`` potential file provided with LAMMPS is +parameterized for *metal* units. You can use this pair style with any +LAMMPS units, but you would need to create your own potential file with +parameters in the appropriate units, if your simulation does not use +*metal* units. + +Related commands +"""""""""""""""" + +:doc:`pair_coeff `, +:doc:`pair_none `, +:doc:`pair_style hybrid/overlay `, +:doc:`pair_style drip `, +:doc:`pair_style ilp_tmd `, +:doc:`pair_style saip_metal `, +:doc:`pair_style ilp_graphene_hbn `, +:doc:`pair_style pair_kolmogorov_crespi_z `, +:doc:`pair_style pair_kolmogorov_crespi_full `, +:doc:`pair_style pair_lebedeva_z `, +:doc:`pair_style pair_coul_shield `. + +Default +""""""" + +tap_flag = 1 + +---------- + +.. _Feng: + +**(Feng)** Z. Feng and W. Ouyang et al., J. Phys. Chem. C. 127, 8704-8713 (2023). diff --git a/doc/src/pair_granular.rst b/doc/src/pair_granular.rst index 21afc1b4fc..37ff8fcbfe 100644 --- a/doc/src/pair_granular.rst +++ b/doc/src/pair_granular.rst @@ -736,7 +736,7 @@ or .. math:: - E_{eff,ij} = \frac{E_{ij}}{2(1-\nu_{ij})} + E_{eff,ij} = \frac{E_{ij}}{2(1-\nu_{ij}^2)} These pair styles write their information to :doc:`binary restart files `, so a pair_style command does not need to be specified in an input script that reads a restart file. diff --git a/doc/src/pair_ilp_graphene_hbn.rst b/doc/src/pair_ilp_graphene_hbn.rst index de088f2926..36e971ef62 100644 --- a/doc/src/pair_ilp_graphene_hbn.rst +++ b/doc/src/pair_ilp_graphene_hbn.rst @@ -155,8 +155,8 @@ interactions. The BNCH.ILP potential file provided with LAMMPS (see the potentials directory) are parameterized for *metal* units. You can use this -potential with any LAMMPS units, but you would need to create your -BNCH.ILP potential file with coefficients listed in the appropriate +potential with any LAMMPS units, but you would need to create your own +custom BNCH.ILP potential file with coefficients listed in the appropriate units, if your simulation does not use *metal* units. Related commands @@ -181,6 +181,14 @@ tap_flag = 1 ---------- +.. _Ouyang1: + +**(Ouyang1)** W. Ouyang, D. Mandelli, M. Urbakh and O. Hod, Nano Lett. 18, 6009-6016 (2018). + +.. _Ouyang2: + +**(Ouyang2)** W. Ouyang et al., J. Chem. Theory Comput. 16(1), 666-676 (2020). + .. _Leven1: **(Leven1)** I. Leven, I. Azuri, L. Kronik and O. Hod, J. Chem. Phys. 140, 104106 (2014). @@ -196,11 +204,3 @@ tap_flag = 1 .. _Kolmogorov2: **(Kolmogorov)** A. N. Kolmogorov, V. H. Crespi, Phys. Rev. B 71, 235415 (2005). - -.. _Ouyang1: - -**(Ouyang1)** W. Ouyang, D. Mandelli, M. Urbakh and O. Hod, Nano Lett. 18, 6009-6016 (2018). - -.. _Ouyang2: - -**(Ouyang2)** W. Ouyang et al., J. Chem. Theory Comput. 16(1), 666-676 (2020). diff --git a/doc/src/pair_ilp_tmd.rst b/doc/src/pair_ilp_tmd.rst index 77fa8bbfd5..482d75a100 100644 --- a/doc/src/pair_ilp_tmd.rst +++ b/doc/src/pair_ilp_tmd.rst @@ -135,8 +135,8 @@ interactions. The TMD.ILP potential file provided with LAMMPS (see the potentials directory) are parameterized for *metal* units. You can use this -potential with any LAMMPS units, but you would need to create your -BNCH.ILP potential file with coefficients listed in the appropriate +potential with any LAMMPS units, but you would need to create your own +custom TMD.ILP potential file with coefficients listed in the appropriate units, if your simulation does not use *metal* units. Related commands diff --git a/doc/src/pair_kolmogorov_crespi_full.rst b/doc/src/pair_kolmogorov_crespi_full.rst index 1a33a3f4bb..1a4706dd6f 100644 --- a/doc/src/pair_kolmogorov_crespi_full.rst +++ b/doc/src/pair_kolmogorov_crespi_full.rst @@ -129,7 +129,7 @@ interactions. The CH.KC potential file provided with LAMMPS (see the potentials folder) is parameterized for metal units. You can use this pair style with any LAMMPS units, but you would need to create your own custom -CC.KC potential file with all coefficients converted to the appropriate +CH.KC potential file with all coefficients converted to the appropriate units. Related commands diff --git a/doc/src/pair_saip_metal.rst b/doc/src/pair_saip_metal.rst index 21bfeb0aa9..ed011894c9 100644 --- a/doc/src/pair_saip_metal.rst +++ b/doc/src/pair_saip_metal.rst @@ -134,8 +134,8 @@ interactions. The CHAu.ILP potential file provided with LAMMPS (see the potentials directory) are parameterized for *metal* units. You can use this -potential with any LAMMPS units, but you would need to create your -BNCH.ILP potential file with coefficients listed in the appropriate +potential with any LAMMPS units, but you would need to create your own +custom CHAu.ILP potential file with coefficients listed in the appropriate units, if your simulation does not use *metal* units. Related commands diff --git a/doc/src/pair_style.rst b/doc/src/pair_style.rst index 441313b0b8..494a26aacf 100644 --- a/doc/src/pair_style.rst +++ b/doc/src/pair_style.rst @@ -114,6 +114,7 @@ accelerated styles exist. * :doc:`adp ` - angular dependent potential (ADP) of Mishin * :doc:`agni ` - AGNI machine-learning potential +* :doc:`aip/water/2dm ` - anisotropic interfacial potential for water in 2d geometries * :doc:`airebo ` - AIREBO potential of Stuart * :doc:`airebo/morse ` - AIREBO with Morse instead of LJ * :doc:`amoeba ` - diff --git a/doc/src/variable.rst b/doc/src/variable.rst index 7b49493fef..1b1acba92d 100644 --- a/doc/src/variable.rst +++ b/doc/src/variable.rst @@ -1481,7 +1481,7 @@ commands .. code-block:: LAMMPS # delete_atoms random fraction 0.5 yes all NULL 49839 - # run 0 + # run 0 post no variable t equal temp # this thermo keyword invokes a temperature compute print "Temperature of system = $t" run 1000 diff --git a/doc/utils/sphinx-config/false_positives.txt b/doc/utils/sphinx-config/false_positives.txt index d2d15633af..867a0e0631 100644 --- a/doc/utils/sphinx-config/false_positives.txt +++ b/doc/utils/sphinx-config/false_positives.txt @@ -55,6 +55,7 @@ Ai Aidan aij aimd +aip airebo Aj ajaramil @@ -528,6 +529,7 @@ collisional Columic colvars Colvars +COH COLVARS comID Commun @@ -1090,6 +1092,7 @@ Fellinger femtosecond femtoseconds fene +Feng Fennell fep FEP @@ -1621,6 +1624,7 @@ Izumi Izvekov izz Izz +Jacobian Jacobsen Jadhao Jadhav @@ -2027,6 +2031,7 @@ Marchetti Marchi Mariella Marinica +Markland Marrink Marroquin Marsaglia @@ -3595,6 +3600,7 @@ THz Tigran Tij Tildesley +Timan timeI timespan timestamp @@ -3736,6 +3742,7 @@ Umin un unary uncomment +uncommented uncompress uncompute underprediction @@ -4090,4 +4097,5 @@ zu zx zy Zybin +Zykova zz diff --git a/examples/COUPLE/plugin/liblammpsplugin.c b/examples/COUPLE/plugin/liblammpsplugin.c index d446f9cd2f..0cf9bea512 100644 --- a/examples/COUPLE/plugin/liblammpsplugin.c +++ b/examples/COUPLE/plugin/liblammpsplugin.c @@ -90,6 +90,7 @@ liblammpsplugin_t *liblammpsplugin_load(const char *lib) ADDSYM(get_natoms); ADDSYM(get_thermo); + ADDSYM(last_thermo); ADDSYM(extract_box); ADDSYM(reset_box); diff --git a/examples/COUPLE/plugin/liblammpsplugin.h b/examples/COUPLE/plugin/liblammpsplugin.h index c6ec03e498..40fba6b9e3 100644 --- a/examples/COUPLE/plugin/liblammpsplugin.h +++ b/examples/COUPLE/plugin/liblammpsplugin.h @@ -133,6 +133,7 @@ struct _liblammpsplugin { double (*get_natoms)(void *); double (*get_thermo)(void *, const char *); + void *(*last_thermo)(void *, const char *, int); void (*extract_box)(void *, double *, double *, double *, double *, double *, int *, int *); diff --git a/examples/PACKAGES/dpd-smooth/2d-diffusion-in-shear-flow/in.lammps b/examples/PACKAGES/dpd-smooth/2d-diffusion-in-shear-flow/in.lammps index 138f7b5338..dd50a5e69f 100644 --- a/examples/PACKAGES/dpd-smooth/2d-diffusion-in-shear-flow/in.lammps +++ b/examples/PACKAGES/dpd-smooth/2d-diffusion-in-shear-flow/in.lammps @@ -1,6 +1,6 @@ dimension 2 units micro -atom_style meso +atom_style sph variable R equal 0.5 # radius of sphere micrometers variable a equal $R/5 # lattice spacing micrometers @@ -37,12 +37,12 @@ group upper_wall type 3 group lower_wall type 4 mass * ${mass} -set group all meso/rho ${rho_0} +set group all sph/rho ${rho_0} pair_style sdpd/taitwater/isothermal $T ${mu} 76787 # temperature viscosity random_seed pair_coeff * * ${rho_0} ${c_0} ${h} -fix 1 fluid meso +fix 1 fluid sph fix 2 sphere rigid/meso single fix 3 upper_wall meso/move linear +${wall_velocity} 0 0 units box fix 4 lower_wall meso/move linear -${wall_velocity} 0 0 units box diff --git a/examples/PACKAGES/dpd-smooth/2d-diffusion-in-shear-flow/log.24Oct18.2d-diffusion-in-shear-flow.g++.1 b/examples/PACKAGES/dpd-smooth/2d-diffusion-in-shear-flow/log.24Oct18.2d-diffusion-in-shear-flow.g++.1 deleted file mode 100644 index cd01601292..0000000000 --- a/examples/PACKAGES/dpd-smooth/2d-diffusion-in-shear-flow/log.24Oct18.2d-diffusion-in-shear-flow.g++.1 +++ /dev/null @@ -1,247 +0,0 @@ -LAMMPS (24 Oct 2018) -dimension 2 -units micro -atom_style meso - -variable R equal 0.5 # radius of sphere micrometers -variable a equal $R/5 # lattice spacing micrometers -variable a equal 0.5/5 -variable Lf equal $R*3 -variable Lf equal 0.5*3 -variable Lb equal $R*4 -variable Lb equal 0.5*4 -variable wall_velocity equal 0.01 # micrometers/microsecond -variable T equal 300. -variable rho_0 equal 1. # density picograms/micrometer^3 -variable c_0 equal 100. # speed of sound micrometers/microsecond -variable mu equal 1. # dynamic viscosity picogram/(micrometer-microsecond) -variable h equal $a*4.5 # kernel function cutoff micrometers -variable h equal 0.1*4.5 -variable mass equal $a*$a*$a*${rho_0} -variable mass equal 0.1*$a*$a*${rho_0} -variable mass equal 0.1*0.1*$a*${rho_0} -variable mass equal 0.1*0.1*0.1*${rho_0} -variable mass equal 0.1*0.1*0.1*1 -variable dt equal 1e-3 # timestep microseconds -variable skin equal 0.2*$h -variable skin equal 0.2*0.45 - -region box block -${Lb} ${Lb} -${Lb} ${Lb} 0 ${a} units box -region box block -2 ${Lb} -${Lb} ${Lb} 0 ${a} units box -region box block -2 2 -${Lb} ${Lb} 0 ${a} units box -region box block -2 2 -2 ${Lb} 0 ${a} units box -region box block -2 2 -2 2 0 ${a} units box -region box block -2 2 -2 2 0 0.1 units box -create_box 4 box -Created orthogonal box = (-2 -2 0) to (2 2 0.1) - 1 by 1 by 1 MPI processor grid -lattice sq $a -lattice sq 0.1 -Lattice spacing in x,y,z = 0.1 0.1 0.1 - -create_atoms 1 box -Created 1600 atoms - Time spent = 0.00169706 secs - -region sphere sphere 0 0 0 $R units box -region sphere sphere 0 0 0 0.5 units box -set region sphere type 2 - 81 settings made for type - -region upper_wall block INF INF +${Lf} INF INF INF units box -region upper_wall block INF INF +1.5 INF INF INF units box -set region upper_wall type 3 - 200 settings made for type - -region lower_wall block INF INF INF -${Lf} INF INF units box -region lower_wall block INF INF INF -1.5 INF INF units box -set region lower_wall type 4 - 240 settings made for type - -group fluid type 1 -1079 atoms in group fluid -group sphere type 2 -81 atoms in group sphere -group upper_wall type 3 -200 atoms in group upper_wall -group lower_wall type 4 -240 atoms in group lower_wall - -mass * ${mass} -mass * 0.001 -set group all meso/rho ${rho_0} -set group all meso/rho 1 - 1600 settings made for meso/rho - -pair_style sdpd/taitwater/isothermal $T ${mu} 76787 # temperature viscosity random_seed -pair_style sdpd/taitwater/isothermal 300 ${mu} 76787 -pair_style sdpd/taitwater/isothermal 300 1 76787 -pair_coeff * * ${rho_0} ${c_0} ${h} -pair_coeff * * 1 ${c_0} ${h} -pair_coeff * * 1 100 ${h} -pair_coeff * * 1 100 0.45 - -fix 1 fluid meso -fix 2 sphere rigid/meso single -1 rigid bodies with 81 atoms -fix 3 upper_wall meso/move linear +${wall_velocity} 0 0 units box -fix 3 upper_wall meso/move linear +0.01 0 0 units box -fix 4 lower_wall meso/move linear -${wall_velocity} 0 0 units box -fix 4 lower_wall meso/move linear -0.01 0 0 units box - -fix 2d all enforce2d - -neighbor ${skin} bin -neighbor 0.09 bin -neigh_modify delay 0 every 1 check yes -timestep ${dt} -timestep 0.001 - -dump dump_id all atom 100 dump.lammpstrj - -thermo 100 -thermo_style custom step time nbuild ndanger - -run 10000 -Neighbor list info ... - update every 1 steps, delay 0 steps, check yes - max neighbors/atom: 2000, page size: 100000 - master list distance cutoff = 0.54 - ghost atom cutoff = 0.54 - binsize = 0.27, bins = 15 15 1 - 1 neighbor lists, perpetual/occasional/extra = 1 0 0 - (1) pair sdpd/taitwater/isothermal, perpetual - attributes: half, newton on - pair build: half/bin/atomonly/newton - stencil: half/bin/2d/newton - bin: standard -Per MPI rank memory allocation (min/avg/max) = 6.937 | 6.937 | 6.937 Mbytes -Step Time Nbuild Ndanger - 0 0 0 0 - 100 0.1 0 0 - 200 0.2 0 0 - 300 0.3 0 0 - 400 0.4 0 0 - 500 0.5 1 0 - 600 0.6 1 0 - 700 0.7 2 0 - 800 0.8 2 0 - 900 0.9 2 0 - 1000 1 3 0 - 1100 1.1 3 0 - 1200 1.2 3 0 - 1300 1.3 4 0 - 1400 1.4 4 0 - 1500 1.5 4 0 - 1600 1.6 5 0 - 1700 1.7 5 0 - 1800 1.8 5 0 - 1900 1.9 6 0 - 2000 2 6 0 - 2100 2.1 6 0 - 2200 2.2 7 0 - 2300 2.3 7 0 - 2400 2.4 7 0 - 2500 2.5 8 0 - 2600 2.6 8 0 - 2700 2.7 8 0 - 2800 2.8 9 0 - 2900 2.9 9 0 - 3000 3 9 0 - 3100 3.1 10 0 - 3200 3.2 10 0 - 3300 3.3 10 0 - 3400 3.4 11 0 - 3500 3.5 11 0 - 3600 3.6 11 0 - 3700 3.7 12 0 - 3800 3.8 12 0 - 3900 3.9 12 0 - 4000 4 13 0 - 4100 4.1 13 0 - 4200 4.2 14 0 - 4300 4.3 14 0 - 4400 4.4 14 0 - 4500 4.5 15 0 - 4600 4.6 15 0 - 4700 4.7 15 0 - 4800 4.8 16 0 - 4900 4.9 16 0 - 5000 5 16 0 - 5100 5.1 17 0 - 5200 5.2 17 0 - 5300 5.3 17 0 - 5400 5.4 17 0 - 5500 5.5 18 0 - 5600 5.6 18 0 - 5700 5.7 19 0 - 5800 5.8 19 0 - 5900 5.9 19 0 - 6000 6 20 0 - 6100 6.1 20 0 - 6200 6.2 21 0 - 6300 6.3 21 0 - 6400 6.4 21 0 - 6500 6.5 22 0 - 6600 6.6 22 0 - 6700 6.7 22 0 - 6800 6.8 23 0 - 6900 6.9 23 0 - 7000 7 23 0 - 7100 7.1 24 0 - 7200 7.2 24 0 - 7300 7.3 25 0 - 7400 7.4 25 0 - 7500 7.5 25 0 - 7600 7.6 26 0 - 7700 7.7 26 0 - 7800 7.8 26 0 - 7900 7.9 27 0 - 8000 8 27 0 - 8100 8.1 27 0 - 8200 8.2 28 0 - 8300 8.3 28 0 - 8400 8.4 28 0 - 8500 8.5 29 0 - 8600 8.6 29 0 - 8700 8.7 30 0 - 8800 8.8 30 0 - 8900 8.9 30 0 - 9000 9 31 0 - 9100 9.1 31 0 - 9200 9.2 31 0 - 9300 9.3 32 0 - 9400 9.4 32 0 - 9500 9.5 32 0 - 9600 9.6 33 0 - 9700 9.7 33 0 - 9800 9.8 33 0 - 9900 9.9 34 0 - 10000 10 34 0 -Loop time of 144.208 on 1 procs for 10000 steps with 1600 atoms - -Performance: 5991348.580 ns/day, 0.000 hours/ns, 69.344 timesteps/s -99.7% CPU use with 1 MPI tasks x no OpenMP threads - -MPI task timing breakdown: -Section | min time | avg time | max time |%varavg| %total ---------------------------------------------------------------- -Pair | 143.08 | 143.08 | 143.08 | 0.0 | 99.22 -Neigh | 0.033195 | 0.033195 | 0.033195 | 0.0 | 0.02 -Comm | 0.24139 | 0.24139 | 0.24139 | 0.0 | 0.17 -Output | 0.11687 | 0.11687 | 0.11687 | 0.0 | 0.08 -Modify | 0.61566 | 0.61566 | 0.61566 | 0.0 | 0.43 -Other | | 0.117 | | | 0.08 - -Nlocal: 1600 ave 1600 max 1600 min -Histogram: 1 0 0 0 0 0 0 0 0 0 -Nghost: 993 ave 993 max 993 min -Histogram: 1 0 0 0 0 0 0 0 0 0 -Neighs: 73236 ave 73236 max 73236 min -Histogram: 1 0 0 0 0 0 0 0 0 0 - -Total # of neighbors = 73236 -Ave neighs/atom = 45.7725 -Neighbor list builds = 34 -Dangerous builds = 0 -Total wall time: 0:02:24 diff --git a/examples/PACKAGES/dpd-smooth/2d-diffusion-in-shear-flow/log.24Oct18.2d-diffusion-in-shear-flow.g++.4 b/examples/PACKAGES/dpd-smooth/2d-diffusion-in-shear-flow/log.24Oct18.2d-diffusion-in-shear-flow.g++.4 deleted file mode 100644 index 77823e00fc..0000000000 --- a/examples/PACKAGES/dpd-smooth/2d-diffusion-in-shear-flow/log.24Oct18.2d-diffusion-in-shear-flow.g++.4 +++ /dev/null @@ -1,247 +0,0 @@ -LAMMPS (24 Oct 2018) -dimension 2 -units micro -atom_style meso - -variable R equal 0.5 # radius of sphere micrometers -variable a equal $R/5 # lattice spacing micrometers -variable a equal 0.5/5 -variable Lf equal $R*3 -variable Lf equal 0.5*3 -variable Lb equal $R*4 -variable Lb equal 0.5*4 -variable wall_velocity equal 0.01 # micrometers/microsecond -variable T equal 300. -variable rho_0 equal 1. # density picograms/micrometer^3 -variable c_0 equal 100. # speed of sound micrometers/microsecond -variable mu equal 1. # dynamic viscosity picogram/(micrometer-microsecond) -variable h equal $a*4.5 # kernel function cutoff micrometers -variable h equal 0.1*4.5 -variable mass equal $a*$a*$a*${rho_0} -variable mass equal 0.1*$a*$a*${rho_0} -variable mass equal 0.1*0.1*$a*${rho_0} -variable mass equal 0.1*0.1*0.1*${rho_0} -variable mass equal 0.1*0.1*0.1*1 -variable dt equal 1e-3 # timestep microseconds -variable skin equal 0.2*$h -variable skin equal 0.2*0.45 - -region box block -${Lb} ${Lb} -${Lb} ${Lb} 0 ${a} units box -region box block -2 ${Lb} -${Lb} ${Lb} 0 ${a} units box -region box block -2 2 -${Lb} ${Lb} 0 ${a} units box -region box block -2 2 -2 ${Lb} 0 ${a} units box -region box block -2 2 -2 2 0 ${a} units box -region box block -2 2 -2 2 0 0.1 units box -create_box 4 box -Created orthogonal box = (-2 -2 0) to (2 2 0.1) - 2 by 2 by 1 MPI processor grid -lattice sq $a -lattice sq 0.1 -Lattice spacing in x,y,z = 0.1 0.1 0.1 - -create_atoms 1 box -Created 1600 atoms - Time spent = 0.000589566 secs - -region sphere sphere 0 0 0 $R units box -region sphere sphere 0 0 0 0.5 units box -set region sphere type 2 - 81 settings made for type - -region upper_wall block INF INF +${Lf} INF INF INF units box -region upper_wall block INF INF +1.5 INF INF INF units box -set region upper_wall type 3 - 200 settings made for type - -region lower_wall block INF INF INF -${Lf} INF INF units box -region lower_wall block INF INF INF -1.5 INF INF units box -set region lower_wall type 4 - 240 settings made for type - -group fluid type 1 -1079 atoms in group fluid -group sphere type 2 -81 atoms in group sphere -group upper_wall type 3 -200 atoms in group upper_wall -group lower_wall type 4 -240 atoms in group lower_wall - -mass * ${mass} -mass * 0.001 -set group all meso/rho ${rho_0} -set group all meso/rho 1 - 1600 settings made for meso/rho - -pair_style sdpd/taitwater/isothermal $T ${mu} 76787 # temperature viscosity random_seed -pair_style sdpd/taitwater/isothermal 300 ${mu} 76787 -pair_style sdpd/taitwater/isothermal 300 1 76787 -pair_coeff * * ${rho_0} ${c_0} ${h} -pair_coeff * * 1 ${c_0} ${h} -pair_coeff * * 1 100 ${h} -pair_coeff * * 1 100 0.45 - -fix 1 fluid meso -fix 2 sphere rigid/meso single -1 rigid bodies with 81 atoms -fix 3 upper_wall meso/move linear +${wall_velocity} 0 0 units box -fix 3 upper_wall meso/move linear +0.01 0 0 units box -fix 4 lower_wall meso/move linear -${wall_velocity} 0 0 units box -fix 4 lower_wall meso/move linear -0.01 0 0 units box - -fix 2d all enforce2d - -neighbor ${skin} bin -neighbor 0.09 bin -neigh_modify delay 0 every 1 check yes -timestep ${dt} -timestep 0.001 - -dump dump_id all atom 100 dump.lammpstrj - -thermo 100 -thermo_style custom step time nbuild ndanger - -run 10000 -Neighbor list info ... - update every 1 steps, delay 0 steps, check yes - max neighbors/atom: 2000, page size: 100000 - master list distance cutoff = 0.54 - ghost atom cutoff = 0.54 - binsize = 0.27, bins = 15 15 1 - 1 neighbor lists, perpetual/occasional/extra = 1 0 0 - (1) pair sdpd/taitwater/isothermal, perpetual - attributes: half, newton on - pair build: half/bin/atomonly/newton - stencil: half/bin/2d/newton - bin: standard -Per MPI rank memory allocation (min/avg/max) = 6.854 | 6.854 | 6.854 Mbytes -Step Time Nbuild Ndanger - 0 0 0 0 - 100 0.1 0 0 - 200 0.2 0 0 - 300 0.3 0 0 - 400 0.4 1 0 - 500 0.5 1 0 - 600 0.6 1 0 - 700 0.7 2 0 - 800 0.8 2 0 - 900 0.9 2 0 - 1000 1 3 0 - 1100 1.1 3 0 - 1200 1.2 4 0 - 1300 1.3 4 0 - 1400 1.4 4 0 - 1500 1.5 4 0 - 1600 1.6 5 0 - 1700 1.7 5 0 - 1800 1.8 5 0 - 1900 1.9 6 0 - 2000 2 6 0 - 2100 2.1 6 0 - 2200 2.2 6 0 - 2300 2.3 7 0 - 2400 2.4 7 0 - 2500 2.5 7 0 - 2600 2.6 8 0 - 2700 2.7 8 0 - 2800 2.8 8 0 - 2900 2.9 9 0 - 3000 3 9 0 - 3100 3.1 9 0 - 3200 3.2 10 0 - 3300 3.3 10 0 - 3400 3.4 10 0 - 3500 3.5 11 0 - 3600 3.6 11 0 - 3700 3.7 11 0 - 3800 3.8 12 0 - 3900 3.9 12 0 - 4000 4 12 0 - 4100 4.1 13 0 - 4200 4.2 13 0 - 4300 4.3 13 0 - 4400 4.4 14 0 - 4500 4.5 14 0 - 4600 4.6 15 0 - 4700 4.7 15 0 - 4800 4.8 15 0 - 4900 4.9 16 0 - 5000 5 16 0 - 5100 5.1 17 0 - 5200 5.2 17 0 - 5300 5.3 17 0 - 5400 5.4 17 0 - 5500 5.5 18 0 - 5600 5.6 18 0 - 5700 5.7 18 0 - 5800 5.8 19 0 - 5900 5.9 19 0 - 6000 6 20 0 - 6100 6.1 20 0 - 6200 6.2 20 0 - 6300 6.3 21 0 - 6400 6.4 21 0 - 6500 6.5 21 0 - 6600 6.6 22 0 - 6700 6.7 22 0 - 6800 6.8 22 0 - 6900 6.9 23 0 - 7000 7 23 0 - 7100 7.1 23 0 - 7200 7.2 24 0 - 7300 7.3 24 0 - 7400 7.4 25 0 - 7500 7.5 25 0 - 7600 7.6 25 0 - 7700 7.7 25 0 - 7800 7.8 26 0 - 7900 7.9 26 0 - 8000 8 26 0 - 8100 8.1 27 0 - 8200 8.2 27 0 - 8300 8.3 27 0 - 8400 8.4 28 0 - 8500 8.5 28 0 - 8600 8.6 28 0 - 8700 8.7 29 0 - 8800 8.8 29 0 - 8900 8.9 29 0 - 9000 9 30 0 - 9100 9.1 30 0 - 9200 9.2 31 0 - 9300 9.3 31 0 - 9400 9.4 31 0 - 9500 9.5 32 0 - 9600 9.6 32 0 - 9700 9.7 32 0 - 9800 9.8 32 0 - 9900 9.9 33 0 - 10000 10 33 0 -Loop time of 63.2372 on 4 procs for 10000 steps with 1600 atoms - -Performance: 13662841.706 ns/day, 0.000 hours/ns, 158.135 timesteps/s -94.3% CPU use with 4 MPI tasks x no OpenMP threads - -MPI task timing breakdown: -Section | min time | avg time | max time |%varavg| %total ---------------------------------------------------------------- -Pair | 51.576 | 53.662 | 55.484 | 23.9 | 84.86 -Neigh | 0.011519 | 0.012395 | 0.013405 | 0.7 | 0.02 -Comm | 6.8389 | 8.5423 | 10.517 | 56.1 | 13.51 -Output | 0.12342 | 0.12513 | 0.1302 | 0.8 | 0.20 -Modify | 0.58708 | 0.69128 | 0.78806 | 11.3 | 1.09 -Other | | 0.2038 | | | 0.32 - -Nlocal: 400 ave 411 max 388 min -Histogram: 1 1 0 0 0 0 0 0 0 2 -Nghost: 552.25 ave 567 max 539 min -Histogram: 2 0 0 0 0 0 0 0 1 1 -Neighs: 18298.8 ave 18781 max 17829 min -Histogram: 2 0 0 0 0 0 0 0 0 2 - -Total # of neighbors = 73195 -Ave neighs/atom = 45.7469 -Neighbor list builds = 33 -Dangerous builds = 0 -Total wall time: 0:01:03 diff --git a/examples/PACKAGES/dpd-smooth/2d-diffusion-in-shear-flow/log.28Mar23.2d-diffusion-in-shear-flow.g++.1 b/examples/PACKAGES/dpd-smooth/2d-diffusion-in-shear-flow/log.28Mar23.2d-diffusion-in-shear-flow.g++.1 new file mode 100644 index 0000000000..c4c11205e1 --- /dev/null +++ b/examples/PACKAGES/dpd-smooth/2d-diffusion-in-shear-flow/log.28Mar23.2d-diffusion-in-shear-flow.g++.1 @@ -0,0 +1,253 @@ +LAMMPS (28 Mar 2023 - Development) +dimension 2 +units micro +atom_style sph + +variable R equal 0.5 # radius of sphere micrometers +variable a equal $R/5 # lattice spacing micrometers +variable a equal 0.5/5 +variable Lf equal $R*3 +variable Lf equal 0.5*3 +variable Lb equal $R*4 +variable Lb equal 0.5*4 +variable wall_velocity equal 0.01 # micrometers/microsecond +variable T equal 300. +variable rho_0 equal 1. # density picograms/micrometer^3 +variable c_0 equal 100. # speed of sound micrometers/microsecond +variable mu equal 1. # dynamic viscosity picogram/(micrometer-microsecond) +variable h equal $a*4.5 # kernel function cutoff micrometers +variable h equal 0.1*4.5 +variable mass equal $a*$a*$a*${rho_0} +variable mass equal 0.1*$a*$a*${rho_0} +variable mass equal 0.1*0.1*$a*${rho_0} +variable mass equal 0.1*0.1*0.1*${rho_0} +variable mass equal 0.1*0.1*0.1*1 +variable dt equal 1e-3 # timestep microseconds +variable skin equal 0.2*$h +variable skin equal 0.2*0.45 + +region box block -${Lb} ${Lb} -${Lb} ${Lb} 0 ${a} units box +region box block -2 ${Lb} -${Lb} ${Lb} 0 ${a} units box +region box block -2 2 -${Lb} ${Lb} 0 ${a} units box +region box block -2 2 -2 ${Lb} 0 ${a} units box +region box block -2 2 -2 2 0 ${a} units box +region box block -2 2 -2 2 0 0.1 units box +create_box 4 box +Created orthogonal box = (-2 -2 0) to (2 2 0.1) + 1 by 1 by 1 MPI processor grid +lattice sq $a +lattice sq 0.1 +Lattice spacing in x,y,z = 0.1 0.1 0.1 + +create_atoms 1 box +Created 1600 atoms + using lattice units in orthogonal box = (-2 -2 0) to (2 2 0.1) + create_atoms CPU = 0.001 seconds + +region sphere sphere 0 0 0 $R units box +region sphere sphere 0 0 0 0.5 units box +set region sphere type 2 +Setting atom values ... + 81 settings made for type + +region upper_wall block INF INF +${Lf} INF INF INF units box +region upper_wall block INF INF +1.5 INF INF INF units box +set region upper_wall type 3 +Setting atom values ... + 200 settings made for type + +region lower_wall block INF INF INF -${Lf} INF INF units box +region lower_wall block INF INF INF -1.5 INF INF units box +set region lower_wall type 4 +Setting atom values ... + 240 settings made for type + +group fluid type 1 +1079 atoms in group fluid +group sphere type 2 +81 atoms in group sphere +group upper_wall type 3 +200 atoms in group upper_wall +group lower_wall type 4 +240 atoms in group lower_wall + +mass * ${mass} +mass * 0.001 +set group all sph/rho ${rho_0} +set group all sph/rho 1 +Setting atom values ... + 1600 settings made for sph/rho + +pair_style sdpd/taitwater/isothermal $T ${mu} 76787 # temperature viscosity random_seed +pair_style sdpd/taitwater/isothermal 300 ${mu} 76787 +pair_style sdpd/taitwater/isothermal 300 1 76787 +pair_coeff * * ${rho_0} ${c_0} ${h} +pair_coeff * * 1 ${c_0} ${h} +pair_coeff * * 1 100 ${h} +pair_coeff * * 1 100 0.45 + +fix 1 fluid sph +fix 2 sphere rigid/meso single + 1 rigid bodies with 81 atoms +fix 3 upper_wall meso/move linear +${wall_velocity} 0 0 units box +fix 3 upper_wall meso/move linear +0.01 0 0 units box +fix 4 lower_wall meso/move linear -${wall_velocity} 0 0 units box +fix 4 lower_wall meso/move linear -0.01 0 0 units box + +fix 2d all enforce2d + +neighbor ${skin} bin +neighbor 0.09 bin +neigh_modify delay 0 every 1 check yes +timestep ${dt} +timestep 0.001 + +dump dump_id all atom 100 dump.lammpstrj + +thermo 100 +thermo_style custom step time nbuild ndanger + +run 10000 +Generated 0 of 6 mixed pair_coeff terms from geometric mixing rule +Neighbor list info ... + update: every = 1 steps, delay = 0 steps, check = yes + max neighbors/atom: 2000, page size: 100000 + master list distance cutoff = 0.54 + ghost atom cutoff = 0.54 + binsize = 0.27, bins = 15 15 1 + 1 neighbor lists, perpetual/occasional/extra = 1 0 0 + (1) pair sdpd/taitwater/isothermal, perpetual + attributes: half, newton on + pair build: half/bin/atomonly/newton + stencil: half/bin/2d + bin: standard +Per MPI rank memory allocation (min/avg/max) = 7.313 | 7.313 | 7.313 Mbytes + Step Time Nbuild Ndanger + 0 0 0 0 + 100 0.1 0 0 + 200 0.2 0 0 + 300 0.3 0 0 + 400 0.4 0 0 + 500 0.5 1 0 + 600 0.6 1 0 + 700 0.7 2 0 + 800 0.8 2 0 + 900 0.9 2 0 + 1000 1 3 0 + 1100 1.1 3 0 + 1200 1.2 3 0 + 1300 1.3 4 0 + 1400 1.4 4 0 + 1500 1.5 4 0 + 1600 1.6 5 0 + 1700 1.7 5 0 + 1800 1.8 5 0 + 1900 1.9 6 0 + 2000 2 6 0 + 2100 2.1 6 0 + 2200 2.2 7 0 + 2300 2.3 7 0 + 2400 2.4 7 0 + 2500 2.5 8 0 + 2600 2.6 8 0 + 2700 2.7 8 0 + 2800 2.8 9 0 + 2900 2.9 9 0 + 3000 3 9 0 + 3100 3.1 10 0 + 3200 3.2 10 0 + 3300 3.3 10 0 + 3400 3.4 11 0 + 3500 3.5 11 0 + 3600 3.6 11 0 + 3700 3.7 12 0 + 3800 3.8 12 0 + 3900 3.9 12 0 + 4000 4 13 0 + 4100 4.1 13 0 + 4200 4.2 14 0 + 4300 4.3 14 0 + 4400 4.4 14 0 + 4500 4.5 15 0 + 4600 4.6 15 0 + 4700 4.7 15 0 + 4800 4.8 16 0 + 4900 4.9 16 0 + 5000 5 16 0 + 5100 5.1 17 0 + 5200 5.2 17 0 + 5300 5.3 17 0 + 5400 5.4 17 0 + 5500 5.5 18 0 + 5600 5.6 18 0 + 5700 5.7 19 0 + 5800 5.8 19 0 + 5900 5.9 19 0 + 6000 6 20 0 + 6100 6.1 20 0 + 6200 6.2 21 0 + 6300 6.3 21 0 + 6400 6.4 21 0 + 6500 6.5 22 0 + 6600 6.6 22 0 + 6700 6.7 22 0 + 6800 6.8 23 0 + 6900 6.9 23 0 + 7000 7 23 0 + 7100 7.1 24 0 + 7200 7.2 24 0 + 7300 7.3 25 0 + 7400 7.4 25 0 + 7500 7.5 25 0 + 7600 7.6 26 0 + 7700 7.7 26 0 + 7800 7.8 26 0 + 7900 7.9 27 0 + 8000 8 27 0 + 8100 8.1 27 0 + 8200 8.2 28 0 + 8300 8.3 28 0 + 8400 8.4 28 0 + 8500 8.5 29 0 + 8600 8.6 29 0 + 8700 8.7 30 0 + 8800 8.8 30 0 + 8900 8.9 30 0 + 9000 9 31 0 + 9100 9.1 31 0 + 9200 9.2 31 0 + 9300 9.3 32 0 + 9400 9.4 32 0 + 9500 9.5 32 0 + 9600 9.6 33 0 + 9700 9.7 33 0 + 9800 9.8 33 0 + 9900 9.9 34 0 + 10000 10 34 0 +Loop time of 131.724 on 1 procs for 10000 steps with 1600 atoms + +Performance: 6559168.339 ns/day, 0.000 hours/ns, 75.916 timesteps/s, 121.466 katom-step/s +99.7% CPU use with 1 MPI tasks x no OpenMP threads + +MPI task timing breakdown: +Section | min time | avg time | max time |%varavg| %total +--------------------------------------------------------------- +Pair | 130.89 | 130.89 | 130.89 | 0.0 | 99.37 +Neigh | 0.02884 | 0.02884 | 0.02884 | 0.0 | 0.02 +Comm | 0.17863 | 0.17863 | 0.17863 | 0.0 | 0.14 +Output | 0.095497 | 0.095497 | 0.095497 | 0.0 | 0.07 +Modify | 0.42063 | 0.42063 | 0.42063 | 0.0 | 0.32 +Other | | 0.1069 | | | 0.08 + +Nlocal: 1600 ave 1600 max 1600 min +Histogram: 1 0 0 0 0 0 0 0 0 0 +Nghost: 993 ave 993 max 993 min +Histogram: 1 0 0 0 0 0 0 0 0 0 +Neighs: 73236 ave 73236 max 73236 min +Histogram: 1 0 0 0 0 0 0 0 0 0 + +Total # of neighbors = 73236 +Ave neighs/atom = 45.7725 +Neighbor list builds = 34 +Dangerous builds = 0 +Total wall time: 0:02:11 diff --git a/examples/PACKAGES/dpd-smooth/2d-diffusion-in-shear-flow/log.28Mar23.2d-diffusion-in-shear-flow.g++.4 b/examples/PACKAGES/dpd-smooth/2d-diffusion-in-shear-flow/log.28Mar23.2d-diffusion-in-shear-flow.g++.4 new file mode 100644 index 0000000000..6cb58bc233 --- /dev/null +++ b/examples/PACKAGES/dpd-smooth/2d-diffusion-in-shear-flow/log.28Mar23.2d-diffusion-in-shear-flow.g++.4 @@ -0,0 +1,253 @@ +LAMMPS (28 Mar 2023 - Development) +dimension 2 +units micro +atom_style sph + +variable R equal 0.5 # radius of sphere micrometers +variable a equal $R/5 # lattice spacing micrometers +variable a equal 0.5/5 +variable Lf equal $R*3 +variable Lf equal 0.5*3 +variable Lb equal $R*4 +variable Lb equal 0.5*4 +variable wall_velocity equal 0.01 # micrometers/microsecond +variable T equal 300. +variable rho_0 equal 1. # density picograms/micrometer^3 +variable c_0 equal 100. # speed of sound micrometers/microsecond +variable mu equal 1. # dynamic viscosity picogram/(micrometer-microsecond) +variable h equal $a*4.5 # kernel function cutoff micrometers +variable h equal 0.1*4.5 +variable mass equal $a*$a*$a*${rho_0} +variable mass equal 0.1*$a*$a*${rho_0} +variable mass equal 0.1*0.1*$a*${rho_0} +variable mass equal 0.1*0.1*0.1*${rho_0} +variable mass equal 0.1*0.1*0.1*1 +variable dt equal 1e-3 # timestep microseconds +variable skin equal 0.2*$h +variable skin equal 0.2*0.45 + +region box block -${Lb} ${Lb} -${Lb} ${Lb} 0 ${a} units box +region box block -2 ${Lb} -${Lb} ${Lb} 0 ${a} units box +region box block -2 2 -${Lb} ${Lb} 0 ${a} units box +region box block -2 2 -2 ${Lb} 0 ${a} units box +region box block -2 2 -2 2 0 ${a} units box +region box block -2 2 -2 2 0 0.1 units box +create_box 4 box +Created orthogonal box = (-2 -2 0) to (2 2 0.1) + 2 by 2 by 1 MPI processor grid +lattice sq $a +lattice sq 0.1 +Lattice spacing in x,y,z = 0.1 0.1 0.1 + +create_atoms 1 box +Created 1600 atoms + using lattice units in orthogonal box = (-2 -2 0) to (2 2 0.1) + create_atoms CPU = 0.001 seconds + +region sphere sphere 0 0 0 $R units box +region sphere sphere 0 0 0 0.5 units box +set region sphere type 2 +Setting atom values ... + 81 settings made for type + +region upper_wall block INF INF +${Lf} INF INF INF units box +region upper_wall block INF INF +1.5 INF INF INF units box +set region upper_wall type 3 +Setting atom values ... + 200 settings made for type + +region lower_wall block INF INF INF -${Lf} INF INF units box +region lower_wall block INF INF INF -1.5 INF INF units box +set region lower_wall type 4 +Setting atom values ... + 240 settings made for type + +group fluid type 1 +1079 atoms in group fluid +group sphere type 2 +81 atoms in group sphere +group upper_wall type 3 +200 atoms in group upper_wall +group lower_wall type 4 +240 atoms in group lower_wall + +mass * ${mass} +mass * 0.001 +set group all sph/rho ${rho_0} +set group all sph/rho 1 +Setting atom values ... + 1600 settings made for sph/rho + +pair_style sdpd/taitwater/isothermal $T ${mu} 76787 # temperature viscosity random_seed +pair_style sdpd/taitwater/isothermal 300 ${mu} 76787 +pair_style sdpd/taitwater/isothermal 300 1 76787 +pair_coeff * * ${rho_0} ${c_0} ${h} +pair_coeff * * 1 ${c_0} ${h} +pair_coeff * * 1 100 ${h} +pair_coeff * * 1 100 0.45 + +fix 1 fluid sph +fix 2 sphere rigid/meso single + 1 rigid bodies with 81 atoms +fix 3 upper_wall meso/move linear +${wall_velocity} 0 0 units box +fix 3 upper_wall meso/move linear +0.01 0 0 units box +fix 4 lower_wall meso/move linear -${wall_velocity} 0 0 units box +fix 4 lower_wall meso/move linear -0.01 0 0 units box + +fix 2d all enforce2d + +neighbor ${skin} bin +neighbor 0.09 bin +neigh_modify delay 0 every 1 check yes +timestep ${dt} +timestep 0.001 + +dump dump_id all atom 100 dump.lammpstrj + +thermo 100 +thermo_style custom step time nbuild ndanger + +run 10000 +Generated 0 of 6 mixed pair_coeff terms from geometric mixing rule +Neighbor list info ... + update: every = 1 steps, delay = 0 steps, check = yes + max neighbors/atom: 2000, page size: 100000 + master list distance cutoff = 0.54 + ghost atom cutoff = 0.54 + binsize = 0.27, bins = 15 15 1 + 1 neighbor lists, perpetual/occasional/extra = 1 0 0 + (1) pair sdpd/taitwater/isothermal, perpetual + attributes: half, newton on + pair build: half/bin/atomonly/newton + stencil: half/bin/2d + bin: standard +Per MPI rank memory allocation (min/avg/max) = 7.23 | 7.23 | 7.23 Mbytes + Step Time Nbuild Ndanger + 0 0 0 0 + 100 0.1 0 0 + 200 0.2 0 0 + 300 0.3 0 0 + 400 0.4 1 0 + 500 0.5 1 0 + 600 0.6 1 0 + 700 0.7 2 0 + 800 0.8 2 0 + 900 0.9 2 0 + 1000 1 3 0 + 1100 1.1 3 0 + 1200 1.2 3 0 + 1300 1.3 4 0 + 1400 1.4 4 0 + 1500 1.5 4 0 + 1600 1.6 5 0 + 1700 1.7 5 0 + 1800 1.8 5 0 + 1900 1.9 6 0 + 2000 2 6 0 + 2100 2.1 6 0 + 2200 2.2 7 0 + 2300 2.3 7 0 + 2400 2.4 7 0 + 2500 2.5 8 0 + 2600 2.6 8 0 + 2700 2.7 8 0 + 2800 2.8 9 0 + 2900 2.9 9 0 + 3000 3 9 0 + 3100 3.1 10 0 + 3200 3.2 10 0 + 3300 3.3 10 0 + 3400 3.4 11 0 + 3500 3.5 11 0 + 3600 3.6 11 0 + 3700 3.7 12 0 + 3800 3.8 12 0 + 3900 3.9 12 0 + 4000 4 13 0 + 4100 4.1 13 0 + 4200 4.2 13 0 + 4300 4.3 14 0 + 4400 4.4 14 0 + 4500 4.5 14 0 + 4600 4.6 14 0 + 4700 4.7 15 0 + 4800 4.8 15 0 + 4900 4.9 16 0 + 5000 5 16 0 + 5100 5.1 16 0 + 5200 5.2 17 0 + 5300 5.3 17 0 + 5400 5.4 17 0 + 5500 5.5 18 0 + 5600 5.6 18 0 + 5700 5.7 18 0 + 5800 5.8 19 0 + 5900 5.9 19 0 + 6000 6 20 0 + 6100 6.1 20 0 + 6200 6.2 20 0 + 6300 6.3 21 0 + 6400 6.4 21 0 + 6500 6.5 21 0 + 6600 6.6 22 0 + 6700 6.7 22 0 + 6800 6.8 22 0 + 6900 6.9 23 0 + 7000 7 23 0 + 7100 7.1 23 0 + 7200 7.2 24 0 + 7300 7.3 24 0 + 7400 7.4 24 0 + 7500 7.5 25 0 + 7600 7.6 25 0 + 7700 7.7 25 0 + 7800 7.8 25 0 + 7900 7.9 26 0 + 8000 8 26 0 + 8100 8.1 26 0 + 8200 8.2 27 0 + 8300 8.3 27 0 + 8400 8.4 28 0 + 8500 8.5 28 0 + 8600 8.6 28 0 + 8700 8.7 29 0 + 8800 8.8 29 0 + 8900 8.9 29 0 + 9000 9 30 0 + 9100 9.1 30 0 + 9200 9.2 30 0 + 9300 9.3 31 0 + 9400 9.4 31 0 + 9500 9.5 31 0 + 9600 9.6 32 0 + 9700 9.7 32 0 + 9800 9.8 32 0 + 9900 9.9 32 0 + 10000 10 33 0 +Loop time of 24.8261 on 4 procs for 10000 steps with 1600 atoms + +Performance: 34802055.618 ns/day, 0.000 hours/ns, 402.802 timesteps/s, 644.483 katom-step/s +99.1% CPU use with 4 MPI tasks x no OpenMP threads + +MPI task timing breakdown: +Section | min time | avg time | max time |%varavg| %total +--------------------------------------------------------------- +Pair | 21.84 | 22.879 | 23.944 | 21.4 | 92.16 +Neigh | 0.007446 | 0.0079435 | 0.0084435 | 0.6 | 0.03 +Comm | 0.5271 | 1.5894 | 2.6259 | 80.9 | 6.40 +Output | 0.034799 | 0.035302 | 0.036437 | 0.4 | 0.14 +Modify | 0.20079 | 0.21033 | 0.2202 | 1.7 | 0.85 +Other | | 0.1041 | | | 0.42 + +Nlocal: 400 ave 414 max 390 min +Histogram: 2 0 0 0 0 1 0 0 0 1 +Nghost: 555.5 ave 564 max 543 min +Histogram: 1 0 0 0 1 0 0 0 0 2 +Neighs: 18299.2 ave 18820 max 17906 min +Histogram: 1 1 0 0 0 0 1 0 0 1 + +Total # of neighbors = 73197 +Ave neighs/atom = 45.748125 +Neighbor list builds = 33 +Dangerous builds = 0 +Total wall time: 0:00:24 diff --git a/examples/PACKAGES/dpd-smooth/2d-diffusion/in.lammps b/examples/PACKAGES/dpd-smooth/2d-diffusion/in.lammps index 6ef36a0cf6..2e0e821480 100644 --- a/examples/PACKAGES/dpd-smooth/2d-diffusion/in.lammps +++ b/examples/PACKAGES/dpd-smooth/2d-diffusion/in.lammps @@ -1,6 +1,6 @@ dimension 2 units micro -atom_style meso +atom_style sph variable R equal 0.5 # radius of sphere micrometers variable a equal $R/5 # lattice spacing micrometers @@ -27,12 +27,12 @@ group fluid type 1 group sphere type 2 mass * ${mass} -set group all meso/rho ${rho_0} +set group all sph/rho ${rho_0} pair_style sdpd/taitwater/isothermal $T ${mu} 76787 # temperature viscosity random_seed pair_coeff * * ${rho_0} ${c_0} ${h} -fix 1 fluid meso +fix 1 fluid sph fix 2 sphere rigid/meso single fix 2d all enforce2d diff --git a/examples/PACKAGES/dpd-smooth/2d-diffusion/log.24Oct18.2d-diffusion.g++.1 b/examples/PACKAGES/dpd-smooth/2d-diffusion/log.24Oct18.2d-diffusion.g++.1 deleted file mode 100644 index d44c0fd6f4..0000000000 --- a/examples/PACKAGES/dpd-smooth/2d-diffusion/log.24Oct18.2d-diffusion.g++.1 +++ /dev/null @@ -1,226 +0,0 @@ -LAMMPS (24 Oct 2018) -dimension 2 -units micro -atom_style meso - -variable R equal 0.5 # radius of sphere micrometers -variable a equal $R/5 # lattice spacing micrometers -variable a equal 0.5/5 -variable L equal $R*3 -variable L equal 0.5*3 -variable T equal 300. -variable rho_0 equal 1. # density picograms/micrometer^3 -variable c_0 equal 100. # speed of sound micrometers/microsecond -variable mu equal 1. # dynamic viscosity picogram/(micrometer-microsecond) -variable h equal $a*4.5 # kernel function cutoff micrometers -variable h equal 0.1*4.5 -variable mass equal $a*$a*$a*${rho_0} -variable mass equal 0.1*$a*$a*${rho_0} -variable mass equal 0.1*0.1*$a*${rho_0} -variable mass equal 0.1*0.1*0.1*${rho_0} -variable mass equal 0.1*0.1*0.1*1 -variable dt equal 1e-3 # timestep microseconds -variable skin equal 0.2*$h -variable skin equal 0.2*0.45 - -region box block -$L $L -$L $L 0 $a units box -region box block -1.5 $L -$L $L 0 $a units box -region box block -1.5 1.5 -$L $L 0 $a units box -region box block -1.5 1.5 -1.5 $L 0 $a units box -region box block -1.5 1.5 -1.5 1.5 0 $a units box -region box block -1.5 1.5 -1.5 1.5 0 0.1 units box -create_box 2 box -Created orthogonal box = (-1.5 -1.5 0) to (1.5 1.5 0.1) - 1 by 1 by 1 MPI processor grid -lattice sq $a -lattice sq 0.1 -Lattice spacing in x,y,z = 0.1 0.1 0.1 - -create_atoms 1 box -Created 900 atoms - Time spent = 0.0015769 secs - -region sphere sphere 0 0 0 $R units box -region sphere sphere 0 0 0 0.5 units box -set region sphere type 2 - 81 settings made for type - -group fluid type 1 -819 atoms in group fluid -group sphere type 2 -81 atoms in group sphere - -mass * ${mass} -mass * 0.001 -set group all meso/rho ${rho_0} -set group all meso/rho 1 - 900 settings made for meso/rho - -pair_style sdpd/taitwater/isothermal $T ${mu} 76787 # temperature viscosity random_seed -pair_style sdpd/taitwater/isothermal 300 ${mu} 76787 -pair_style sdpd/taitwater/isothermal 300 1 76787 -pair_coeff * * ${rho_0} ${c_0} ${h} -pair_coeff * * 1 ${c_0} ${h} -pair_coeff * * 1 100 ${h} -pair_coeff * * 1 100 0.45 - -fix 1 fluid meso -fix 2 sphere rigid/meso single -1 rigid bodies with 81 atoms - -fix 2d all enforce2d - -neighbor ${skin} bin -neighbor 0.09 bin -neigh_modify delay 0 every 1 check yes -timestep ${dt} -timestep 0.001 - -dump dump_id all atom 100 dump.lammpstrj - -thermo 100 -thermo_style custom step time nbuild ndanger - -run 10000 -Neighbor list info ... - update every 1 steps, delay 0 steps, check yes - max neighbors/atom: 2000, page size: 100000 - master list distance cutoff = 0.54 - ghost atom cutoff = 0.54 - binsize = 0.27, bins = 12 12 1 - 1 neighbor lists, perpetual/occasional/extra = 1 0 0 - (1) pair sdpd/taitwater/isothermal, perpetual - attributes: half, newton on - pair build: half/bin/atomonly/newton - stencil: half/bin/2d/newton - bin: standard -Per MPI rank memory allocation (min/avg/max) = 6.137 | 6.137 | 6.137 Mbytes -Step Time Nbuild Ndanger - 0 0 0 0 - 100 0.1 0 0 - 200 0.2 0 0 - 300 0.3 0 0 - 400 0.4 1 0 - 500 0.5 1 0 - 600 0.6 1 0 - 700 0.7 2 0 - 800 0.8 2 0 - 900 0.9 2 0 - 1000 1 3 0 - 1100 1.1 3 0 - 1200 1.2 3 0 - 1300 1.3 4 0 - 1400 1.4 4 0 - 1500 1.5 4 0 - 1600 1.6 5 0 - 1700 1.7 5 0 - 1800 1.8 6 0 - 1900 1.9 6 0 - 2000 2 6 0 - 2100 2.1 7 0 - 2200 2.2 7 0 - 2300 2.3 7 0 - 2400 2.4 7 0 - 2500 2.5 8 0 - 2600 2.6 8 0 - 2700 2.7 8 0 - 2800 2.8 9 0 - 2900 2.9 9 0 - 3000 3 10 0 - 3100 3.1 10 0 - 3200 3.2 10 0 - 3300 3.3 11 0 - 3400 3.4 11 0 - 3500 3.5 11 0 - 3600 3.6 12 0 - 3700 3.7 12 0 - 3800 3.8 12 0 - 3900 3.9 13 0 - 4000 4 13 0 - 4100 4.1 13 0 - 4200 4.2 14 0 - 4300 4.3 14 0 - 4400 4.4 14 0 - 4500 4.5 15 0 - 4600 4.6 15 0 - 4700 4.7 15 0 - 4800 4.8 16 0 - 4900 4.9 16 0 - 5000 5 17 0 - 5100 5.1 17 0 - 5200 5.2 17 0 - 5300 5.3 17 0 - 5400 5.4 18 0 - 5500 5.5 18 0 - 5600 5.6 18 0 - 5700 5.7 19 0 - 5800 5.8 19 0 - 5900 5.9 19 0 - 6000 6 19 0 - 6100 6.1 20 0 - 6200 6.2 20 0 - 6300 6.3 20 0 - 6400 6.4 21 0 - 6500 6.5 21 0 - 6600 6.6 21 0 - 6700 6.7 21 0 - 6800 6.8 22 0 - 6900 6.9 22 0 - 7000 7 22 0 - 7100 7.1 23 0 - 7200 7.2 23 0 - 7300 7.3 23 0 - 7400 7.4 24 0 - 7500 7.5 24 0 - 7600 7.6 24 0 - 7700 7.7 25 0 - 7800 7.8 25 0 - 7900 7.9 26 0 - 8000 8 26 0 - 8100 8.1 26 0 - 8200 8.2 26 0 - 8300 8.3 27 0 - 8400 8.4 27 0 - 8500 8.5 27 0 - 8600 8.6 28 0 - 8700 8.7 28 0 - 8800 8.8 28 0 - 8900 8.9 29 0 - 9000 9 29 0 - 9100 9.1 29 0 - 9200 9.2 30 0 - 9300 9.3 30 0 - 9400 9.4 30 0 - 9500 9.5 30 0 - 9600 9.6 31 0 - 9700 9.7 31 0 - 9800 9.8 32 0 - 9900 9.9 32 0 - 10000 10 32 0 -Loop time of 80.9456 on 1 procs for 10000 steps with 900 atoms - -Performance: 10673829.855 ns/day, 0.000 hours/ns, 123.540 timesteps/s -99.8% CPU use with 1 MPI tasks x no OpenMP threads - -MPI task timing breakdown: -Section | min time | avg time | max time |%varavg| %total ---------------------------------------------------------------- -Pair | 80.306 | 80.306 | 80.306 | 0.0 | 99.21 -Neigh | 0.017418 | 0.017418 | 0.017418 | 0.0 | 0.02 -Comm | 0.16939 | 0.16939 | 0.16939 | 0.0 | 0.21 -Output | 0.070281 | 0.070281 | 0.070281 | 0.0 | 0.09 -Modify | 0.3154 | 0.3154 | 0.3154 | 0.0 | 0.39 -Other | | 0.067 | | | 0.08 - -Nlocal: 900 ave 900 max 900 min -Histogram: 1 0 0 0 0 0 0 0 0 0 -Nghost: 762 ave 762 max 762 min -Histogram: 1 0 0 0 0 0 0 0 0 0 -Neighs: 40697 ave 40697 max 40697 min -Histogram: 1 0 0 0 0 0 0 0 0 0 - -Total # of neighbors = 40697 -Ave neighs/atom = 45.2189 -Neighbor list builds = 32 -Dangerous builds = 0 -Total wall time: 0:01:20 diff --git a/examples/PACKAGES/dpd-smooth/2d-diffusion/log.24Oct18.2d-diffusion.g++.4 b/examples/PACKAGES/dpd-smooth/2d-diffusion/log.24Oct18.2d-diffusion.g++.4 deleted file mode 100644 index f904b78ab4..0000000000 --- a/examples/PACKAGES/dpd-smooth/2d-diffusion/log.24Oct18.2d-diffusion.g++.4 +++ /dev/null @@ -1,226 +0,0 @@ -LAMMPS (24 Oct 2018) -dimension 2 -units micro -atom_style meso - -variable R equal 0.5 # radius of sphere micrometers -variable a equal $R/5 # lattice spacing micrometers -variable a equal 0.5/5 -variable L equal $R*3 -variable L equal 0.5*3 -variable T equal 300. -variable rho_0 equal 1. # density picograms/micrometer^3 -variable c_0 equal 100. # speed of sound micrometers/microsecond -variable mu equal 1. # dynamic viscosity picogram/(micrometer-microsecond) -variable h equal $a*4.5 # kernel function cutoff micrometers -variable h equal 0.1*4.5 -variable mass equal $a*$a*$a*${rho_0} -variable mass equal 0.1*$a*$a*${rho_0} -variable mass equal 0.1*0.1*$a*${rho_0} -variable mass equal 0.1*0.1*0.1*${rho_0} -variable mass equal 0.1*0.1*0.1*1 -variable dt equal 1e-3 # timestep microseconds -variable skin equal 0.2*$h -variable skin equal 0.2*0.45 - -region box block -$L $L -$L $L 0 $a units box -region box block -1.5 $L -$L $L 0 $a units box -region box block -1.5 1.5 -$L $L 0 $a units box -region box block -1.5 1.5 -1.5 $L 0 $a units box -region box block -1.5 1.5 -1.5 1.5 0 $a units box -region box block -1.5 1.5 -1.5 1.5 0 0.1 units box -create_box 2 box -Created orthogonal box = (-1.5 -1.5 0) to (1.5 1.5 0.1) - 2 by 2 by 1 MPI processor grid -lattice sq $a -lattice sq 0.1 -Lattice spacing in x,y,z = 0.1 0.1 0.1 - -create_atoms 1 box -Created 900 atoms - Time spent = 0.0010246 secs - -region sphere sphere 0 0 0 $R units box -region sphere sphere 0 0 0 0.5 units box -set region sphere type 2 - 81 settings made for type - -group fluid type 1 -819 atoms in group fluid -group sphere type 2 -81 atoms in group sphere - -mass * ${mass} -mass * 0.001 -set group all meso/rho ${rho_0} -set group all meso/rho 1 - 900 settings made for meso/rho - -pair_style sdpd/taitwater/isothermal $T ${mu} 76787 # temperature viscosity random_seed -pair_style sdpd/taitwater/isothermal 300 ${mu} 76787 -pair_style sdpd/taitwater/isothermal 300 1 76787 -pair_coeff * * ${rho_0} ${c_0} ${h} -pair_coeff * * 1 ${c_0} ${h} -pair_coeff * * 1 100 ${h} -pair_coeff * * 1 100 0.45 - -fix 1 fluid meso -fix 2 sphere rigid/meso single -1 rigid bodies with 81 atoms - -fix 2d all enforce2d - -neighbor ${skin} bin -neighbor 0.09 bin -neigh_modify delay 0 every 1 check yes -timestep ${dt} -timestep 0.001 - -dump dump_id all atom 100 dump.lammpstrj - -thermo 100 -thermo_style custom step time nbuild ndanger - -run 10000 -Neighbor list info ... - update every 1 steps, delay 0 steps, check yes - max neighbors/atom: 2000, page size: 100000 - master list distance cutoff = 0.54 - ghost atom cutoff = 0.54 - binsize = 0.27, bins = 12 12 1 - 1 neighbor lists, perpetual/occasional/extra = 1 0 0 - (1) pair sdpd/taitwater/isothermal, perpetual - attributes: half, newton on - pair build: half/bin/atomonly/newton - stencil: half/bin/2d/newton - bin: standard -Per MPI rank memory allocation (min/avg/max) = 6.087 | 6.087 | 6.087 Mbytes -Step Time Nbuild Ndanger - 0 0 0 0 - 100 0.1 0 0 - 200 0.2 0 0 - 300 0.3 0 0 - 400 0.4 1 0 - 500 0.5 1 0 - 600 0.6 1 0 - 700 0.7 2 0 - 800 0.8 2 0 - 900 0.9 2 0 - 1000 1 3 0 - 1100 1.1 3 0 - 1200 1.2 3 0 - 1300 1.3 4 0 - 1400 1.4 4 0 - 1500 1.5 5 0 - 1600 1.6 5 0 - 1700 1.7 5 0 - 1800 1.8 6 0 - 1900 1.9 6 0 - 2000 2 6 0 - 2100 2.1 7 0 - 2200 2.2 7 0 - 2300 2.3 7 0 - 2400 2.4 8 0 - 2500 2.5 8 0 - 2600 2.6 8 0 - 2700 2.7 9 0 - 2800 2.8 9 0 - 2900 2.9 9 0 - 3000 3 9 0 - 3100 3.1 10 0 - 3200 3.2 10 0 - 3300 3.3 10 0 - 3400 3.4 11 0 - 3500 3.5 11 0 - 3600 3.6 11 0 - 3700 3.7 12 0 - 3800 3.8 12 0 - 3900 3.9 12 0 - 4000 4 13 0 - 4100 4.1 13 0 - 4200 4.2 13 0 - 4300 4.3 14 0 - 4400 4.4 14 0 - 4500 4.5 15 0 - 4600 4.6 15 0 - 4700 4.7 15 0 - 4800 4.8 16 0 - 4900 4.9 16 0 - 5000 5 16 0 - 5100 5.1 16 0 - 5200 5.2 17 0 - 5300 5.3 17 0 - 5400 5.4 18 0 - 5500 5.5 18 0 - 5600 5.6 19 0 - 5700 5.7 19 0 - 5800 5.8 19 0 - 5900 5.9 20 0 - 6000 6 20 0 - 6100 6.1 20 0 - 6200 6.2 21 0 - 6300 6.3 21 0 - 6400 6.4 21 0 - 6500 6.5 22 0 - 6600 6.6 22 0 - 6700 6.7 22 0 - 6800 6.8 23 0 - 6900 6.9 23 0 - 7000 7 23 0 - 7100 7.1 24 0 - 7200 7.2 24 0 - 7300 7.3 24 0 - 7400 7.4 25 0 - 7500 7.5 25 0 - 7600 7.6 25 0 - 7700 7.7 26 0 - 7800 7.8 26 0 - 7900 7.9 26 0 - 8000 8 27 0 - 8100 8.1 27 0 - 8200 8.2 27 0 - 8300 8.3 28 0 - 8400 8.4 28 0 - 8500 8.5 28 0 - 8600 8.6 28 0 - 8700 8.7 29 0 - 8800 8.8 29 0 - 8900 8.9 29 0 - 9000 9 30 0 - 9100 9.1 30 0 - 9200 9.2 31 0 - 9300 9.3 31 0 - 9400 9.4 31 0 - 9500 9.5 31 0 - 9600 9.6 32 0 - 9700 9.7 32 0 - 9800 9.8 32 0 - 9900 9.9 33 0 - 10000 10 33 0 -Loop time of 69.01 on 4 procs for 10000 steps with 900 atoms - -Performance: 12519931.275 ns/day, 0.000 hours/ns, 144.907 timesteps/s -48.7% CPU use with 4 MPI tasks x no OpenMP threads - -MPI task timing breakdown: -Section | min time | avg time | max time |%varavg| %total ---------------------------------------------------------------- -Pair | 56.528 | 57.936 | 58.729 | 11.0 | 83.95 -Neigh | 0.013157 | 0.013382 | 0.013551 | 0.1 | 0.02 -Comm | 8.9594 | 9.7555 | 11.113 | 26.7 | 14.14 -Output | 0.14644 | 0.15009 | 0.15809 | 1.2 | 0.22 -Modify | 0.72913 | 0.91574 | 1.0524 | 12.4 | 1.33 -Other | | 0.2389 | | | 0.35 - -Nlocal: 225 ave 229 max 223 min -Histogram: 1 2 0 0 0 0 0 0 0 1 -Nghost: 442 ave 444 max 439 min -Histogram: 1 0 0 0 1 0 0 0 0 2 -Neighs: 10188.8 ave 10437 max 9932 min -Histogram: 1 0 0 1 0 0 0 1 0 1 - -Total # of neighbors = 40755 -Ave neighs/atom = 45.2833 -Neighbor list builds = 33 -Dangerous builds = 0 -Total wall time: 0:01:09 diff --git a/examples/PACKAGES/dpd-smooth/2d-diffusion/log.28Mar23.2d-diffusion.g++.1 b/examples/PACKAGES/dpd-smooth/2d-diffusion/log.28Mar23.2d-diffusion.g++.1 new file mode 100644 index 0000000000..30bf43dcf6 --- /dev/null +++ b/examples/PACKAGES/dpd-smooth/2d-diffusion/log.28Mar23.2d-diffusion.g++.1 @@ -0,0 +1,230 @@ +LAMMPS (28 Mar 2023 - Development) +dimension 2 +units micro +atom_style sph + +variable R equal 0.5 # radius of sphere micrometers +variable a equal $R/5 # lattice spacing micrometers +variable a equal 0.5/5 +variable L equal $R*3 +variable L equal 0.5*3 +variable T equal 300. +variable rho_0 equal 1. # density picograms/micrometer^3 +variable c_0 equal 100. # speed of sound micrometers/microsecond +variable mu equal 1. # dynamic viscosity picogram/(micrometer-microsecond) +variable h equal $a*4.5 # kernel function cutoff micrometers +variable h equal 0.1*4.5 +variable mass equal $a*$a*$a*${rho_0} +variable mass equal 0.1*$a*$a*${rho_0} +variable mass equal 0.1*0.1*$a*${rho_0} +variable mass equal 0.1*0.1*0.1*${rho_0} +variable mass equal 0.1*0.1*0.1*1 +variable dt equal 1e-3 # timestep microseconds +variable skin equal 0.2*$h +variable skin equal 0.2*0.45 + +region box block -$L $L -$L $L 0 $a units box +region box block -1.5 $L -$L $L 0 $a units box +region box block -1.5 1.5 -$L $L 0 $a units box +region box block -1.5 1.5 -1.5 $L 0 $a units box +region box block -1.5 1.5 -1.5 1.5 0 $a units box +region box block -1.5 1.5 -1.5 1.5 0 0.1 units box +create_box 2 box +Created orthogonal box = (-1.5 -1.5 0) to (1.5 1.5 0.1) + 1 by 1 by 1 MPI processor grid +lattice sq $a +lattice sq 0.1 +Lattice spacing in x,y,z = 0.1 0.1 0.1 + +create_atoms 1 box +Created 900 atoms + using lattice units in orthogonal box = (-1.5 -1.5 0) to (1.5 1.5 0.1) + create_atoms CPU = 0.001 seconds + +region sphere sphere 0 0 0 $R units box +region sphere sphere 0 0 0 0.5 units box +set region sphere type 2 +Setting atom values ... + 81 settings made for type + +group fluid type 1 +819 atoms in group fluid +group sphere type 2 +81 atoms in group sphere + +mass * ${mass} +mass * 0.001 +set group all sph/rho ${rho_0} +set group all sph/rho 1 +Setting atom values ... + 900 settings made for sph/rho + +pair_style sdpd/taitwater/isothermal $T ${mu} 76787 # temperature viscosity random_seed +pair_style sdpd/taitwater/isothermal 300 ${mu} 76787 +pair_style sdpd/taitwater/isothermal 300 1 76787 +pair_coeff * * ${rho_0} ${c_0} ${h} +pair_coeff * * 1 ${c_0} ${h} +pair_coeff * * 1 100 ${h} +pair_coeff * * 1 100 0.45 + +fix 1 fluid sph +fix 2 sphere rigid/meso single + 1 rigid bodies with 81 atoms + +fix 2d all enforce2d + +neighbor ${skin} bin +neighbor 0.09 bin +neigh_modify delay 0 every 1 check yes +timestep ${dt} +timestep 0.001 + +dump dump_id all atom 100 dump.lammpstrj + +thermo 100 +thermo_style custom step time nbuild ndanger + +run 10000 +Generated 0 of 1 mixed pair_coeff terms from geometric mixing rule +Neighbor list info ... + update: every = 1 steps, delay = 0 steps, check = yes + max neighbors/atom: 2000, page size: 100000 + master list distance cutoff = 0.54 + ghost atom cutoff = 0.54 + binsize = 0.27, bins = 12 12 1 + 1 neighbor lists, perpetual/occasional/extra = 1 0 0 + (1) pair sdpd/taitwater/isothermal, perpetual + attributes: half, newton on + pair build: half/bin/atomonly/newton + stencil: half/bin/2d + bin: standard +Per MPI rank memory allocation (min/avg/max) = 6.512 | 6.512 | 6.512 Mbytes + Step Time Nbuild Ndanger + 0 0 0 0 + 100 0.1 0 0 + 200 0.2 0 0 + 300 0.3 0 0 + 400 0.4 1 0 + 500 0.5 1 0 + 600 0.6 1 0 + 700 0.7 2 0 + 800 0.8 2 0 + 900 0.9 2 0 + 1000 1 3 0 + 1100 1.1 3 0 + 1200 1.2 3 0 + 1300 1.3 4 0 + 1400 1.4 4 0 + 1500 1.5 4 0 + 1600 1.6 5 0 + 1700 1.7 5 0 + 1800 1.8 6 0 + 1900 1.9 6 0 + 2000 2 6 0 + 2100 2.1 7 0 + 2200 2.2 7 0 + 2300 2.3 7 0 + 2400 2.4 7 0 + 2500 2.5 8 0 + 2600 2.6 8 0 + 2700 2.7 8 0 + 2800 2.8 9 0 + 2900 2.9 9 0 + 3000 3 10 0 + 3100 3.1 10 0 + 3200 3.2 10 0 + 3300 3.3 11 0 + 3400 3.4 11 0 + 3500 3.5 11 0 + 3600 3.6 12 0 + 3700 3.7 12 0 + 3800 3.8 12 0 + 3900 3.9 13 0 + 4000 4 13 0 + 4100 4.1 13 0 + 4200 4.2 14 0 + 4300 4.3 14 0 + 4400 4.4 14 0 + 4500 4.5 15 0 + 4600 4.6 15 0 + 4700 4.7 15 0 + 4800 4.8 16 0 + 4900 4.9 16 0 + 5000 5 17 0 + 5100 5.1 17 0 + 5200 5.2 17 0 + 5300 5.3 17 0 + 5400 5.4 18 0 + 5500 5.5 18 0 + 5600 5.6 18 0 + 5700 5.7 19 0 + 5800 5.8 19 0 + 5900 5.9 19 0 + 6000 6 19 0 + 6100 6.1 20 0 + 6200 6.2 20 0 + 6300 6.3 20 0 + 6400 6.4 21 0 + 6500 6.5 21 0 + 6600 6.6 21 0 + 6700 6.7 21 0 + 6800 6.8 22 0 + 6900 6.9 22 0 + 7000 7 22 0 + 7100 7.1 23 0 + 7200 7.2 23 0 + 7300 7.3 23 0 + 7400 7.4 24 0 + 7500 7.5 24 0 + 7600 7.6 24 0 + 7700 7.7 25 0 + 7800 7.8 25 0 + 7900 7.9 26 0 + 8000 8 26 0 + 8100 8.1 26 0 + 8200 8.2 26 0 + 8300 8.3 27 0 + 8400 8.4 27 0 + 8500 8.5 27 0 + 8600 8.6 28 0 + 8700 8.7 28 0 + 8800 8.8 28 0 + 8900 8.9 29 0 + 9000 9 29 0 + 9100 9.1 29 0 + 9200 9.2 30 0 + 9300 9.3 30 0 + 9400 9.4 30 0 + 9500 9.5 30 0 + 9600 9.6 31 0 + 9700 9.7 31 0 + 9800 9.8 32 0 + 9900 9.9 32 0 + 10000 10 32 0 +Loop time of 78.0094 on 1 procs for 10000 steps with 900 atoms + +Performance: 11075589.479 ns/day, 0.000 hours/ns, 128.190 timesteps/s, 115.371 katom-step/s +99.5% CPU use with 1 MPI tasks x no OpenMP threads + +MPI task timing breakdown: +Section | min time | avg time | max time |%varavg| %total +--------------------------------------------------------------- +Pair | 77.441 | 77.441 | 77.441 | 0.0 | 99.27 +Neigh | 0.016471 | 0.016471 | 0.016471 | 0.0 | 0.02 +Comm | 0.14821 | 0.14821 | 0.14821 | 0.0 | 0.19 +Output | 0.062415 | 0.062415 | 0.062415 | 0.0 | 0.08 +Modify | 0.25323 | 0.25323 | 0.25323 | 0.0 | 0.32 +Other | | 0.0877 | | | 0.11 + +Nlocal: 900 ave 900 max 900 min +Histogram: 1 0 0 0 0 0 0 0 0 0 +Nghost: 762 ave 762 max 762 min +Histogram: 1 0 0 0 0 0 0 0 0 0 +Neighs: 40697 ave 40697 max 40697 min +Histogram: 1 0 0 0 0 0 0 0 0 0 + +Total # of neighbors = 40697 +Ave neighs/atom = 45.218889 +Neighbor list builds = 32 +Dangerous builds = 0 +Total wall time: 0:01:18 diff --git a/examples/PACKAGES/dpd-smooth/2d-diffusion/log.28Mar23.2d-diffusion.g++.4 b/examples/PACKAGES/dpd-smooth/2d-diffusion/log.28Mar23.2d-diffusion.g++.4 new file mode 100644 index 0000000000..03f5ed01bb --- /dev/null +++ b/examples/PACKAGES/dpd-smooth/2d-diffusion/log.28Mar23.2d-diffusion.g++.4 @@ -0,0 +1,230 @@ +LAMMPS (28 Mar 2023 - Development) +dimension 2 +units micro +atom_style sph + +variable R equal 0.5 # radius of sphere micrometers +variable a equal $R/5 # lattice spacing micrometers +variable a equal 0.5/5 +variable L equal $R*3 +variable L equal 0.5*3 +variable T equal 300. +variable rho_0 equal 1. # density picograms/micrometer^3 +variable c_0 equal 100. # speed of sound micrometers/microsecond +variable mu equal 1. # dynamic viscosity picogram/(micrometer-microsecond) +variable h equal $a*4.5 # kernel function cutoff micrometers +variable h equal 0.1*4.5 +variable mass equal $a*$a*$a*${rho_0} +variable mass equal 0.1*$a*$a*${rho_0} +variable mass equal 0.1*0.1*$a*${rho_0} +variable mass equal 0.1*0.1*0.1*${rho_0} +variable mass equal 0.1*0.1*0.1*1 +variable dt equal 1e-3 # timestep microseconds +variable skin equal 0.2*$h +variable skin equal 0.2*0.45 + +region box block -$L $L -$L $L 0 $a units box +region box block -1.5 $L -$L $L 0 $a units box +region box block -1.5 1.5 -$L $L 0 $a units box +region box block -1.5 1.5 -1.5 $L 0 $a units box +region box block -1.5 1.5 -1.5 1.5 0 $a units box +region box block -1.5 1.5 -1.5 1.5 0 0.1 units box +create_box 2 box +Created orthogonal box = (-1.5 -1.5 0) to (1.5 1.5 0.1) + 2 by 2 by 1 MPI processor grid +lattice sq $a +lattice sq 0.1 +Lattice spacing in x,y,z = 0.1 0.1 0.1 + +create_atoms 1 box +Created 900 atoms + using lattice units in orthogonal box = (-1.5 -1.5 0) to (1.5 1.5 0.1) + create_atoms CPU = 0.001 seconds + +region sphere sphere 0 0 0 $R units box +region sphere sphere 0 0 0 0.5 units box +set region sphere type 2 +Setting atom values ... + 81 settings made for type + +group fluid type 1 +819 atoms in group fluid +group sphere type 2 +81 atoms in group sphere + +mass * ${mass} +mass * 0.001 +set group all sph/rho ${rho_0} +set group all sph/rho 1 +Setting atom values ... + 900 settings made for sph/rho + +pair_style sdpd/taitwater/isothermal $T ${mu} 76787 # temperature viscosity random_seed +pair_style sdpd/taitwater/isothermal 300 ${mu} 76787 +pair_style sdpd/taitwater/isothermal 300 1 76787 +pair_coeff * * ${rho_0} ${c_0} ${h} +pair_coeff * * 1 ${c_0} ${h} +pair_coeff * * 1 100 ${h} +pair_coeff * * 1 100 0.45 + +fix 1 fluid sph +fix 2 sphere rigid/meso single + 1 rigid bodies with 81 atoms + +fix 2d all enforce2d + +neighbor ${skin} bin +neighbor 0.09 bin +neigh_modify delay 0 every 1 check yes +timestep ${dt} +timestep 0.001 + +dump dump_id all atom 100 dump.lammpstrj + +thermo 100 +thermo_style custom step time nbuild ndanger + +run 10000 +Generated 0 of 1 mixed pair_coeff terms from geometric mixing rule +Neighbor list info ... + update: every = 1 steps, delay = 0 steps, check = yes + max neighbors/atom: 2000, page size: 100000 + master list distance cutoff = 0.54 + ghost atom cutoff = 0.54 + binsize = 0.27, bins = 12 12 1 + 1 neighbor lists, perpetual/occasional/extra = 1 0 0 + (1) pair sdpd/taitwater/isothermal, perpetual + attributes: half, newton on + pair build: half/bin/atomonly/newton + stencil: half/bin/2d + bin: standard +Per MPI rank memory allocation (min/avg/max) = 6.463 | 6.463 | 6.463 Mbytes + Step Time Nbuild Ndanger + 0 0 0 0 + 100 0.1 0 0 + 200 0.2 0 0 + 300 0.3 0 0 + 400 0.4 1 0 + 500 0.5 1 0 + 600 0.6 1 0 + 700 0.7 2 0 + 800 0.8 2 0 + 900 0.9 2 0 + 1000 1 3 0 + 1100 1.1 3 0 + 1200 1.2 3 0 + 1300 1.3 4 0 + 1400 1.4 4 0 + 1500 1.5 4 0 + 1600 1.6 5 0 + 1700 1.7 5 0 + 1800 1.8 5 0 + 1900 1.9 6 0 + 2000 2 6 0 + 2100 2.1 6 0 + 2200 2.2 7 0 + 2300 2.3 7 0 + 2400 2.4 7 0 + 2500 2.5 8 0 + 2600 2.6 8 0 + 2700 2.7 8 0 + 2800 2.8 9 0 + 2900 2.9 9 0 + 3000 3 9 0 + 3100 3.1 10 0 + 3200 3.2 10 0 + 3300 3.3 11 0 + 3400 3.4 11 0 + 3500 3.5 11 0 + 3600 3.6 12 0 + 3700 3.7 12 0 + 3800 3.8 12 0 + 3900 3.9 12 0 + 4000 4 13 0 + 4100 4.1 13 0 + 4200 4.2 14 0 + 4300 4.3 14 0 + 4400 4.4 14 0 + 4500 4.5 15 0 + 4600 4.6 15 0 + 4700 4.7 15 0 + 4800 4.8 16 0 + 4900 4.9 16 0 + 5000 5 16 0 + 5100 5.1 17 0 + 5200 5.2 17 0 + 5300 5.3 17 0 + 5400 5.4 17 0 + 5500 5.5 18 0 + 5600 5.6 18 0 + 5700 5.7 18 0 + 5800 5.8 19 0 + 5900 5.9 19 0 + 6000 6 19 0 + 6100 6.1 20 0 + 6200 6.2 20 0 + 6300 6.3 20 0 + 6400 6.4 21 0 + 6500 6.5 21 0 + 6600 6.6 21 0 + 6700 6.7 22 0 + 6800 6.8 22 0 + 6900 6.9 22 0 + 7000 7 23 0 + 7100 7.1 23 0 + 7200 7.2 23 0 + 7300 7.3 24 0 + 7400 7.4 24 0 + 7500 7.5 24 0 + 7600 7.6 25 0 + 7700 7.7 25 0 + 7800 7.8 26 0 + 7900 7.9 26 0 + 8000 8 26 0 + 8100 8.1 26 0 + 8200 8.2 27 0 + 8300 8.3 27 0 + 8400 8.4 28 0 + 8500 8.5 28 0 + 8600 8.6 28 0 + 8700 8.7 29 0 + 8800 8.8 29 0 + 8900 8.9 29 0 + 9000 9 30 0 + 9100 9.1 30 0 + 9200 9.2 30 0 + 9300 9.3 30 0 + 9400 9.4 31 0 + 9500 9.5 31 0 + 9600 9.6 31 0 + 9700 9.7 32 0 + 9800 9.8 32 0 + 9900 9.9 32 0 + 10000 10 33 0 +Loop time of 13.5306 on 4 procs for 10000 steps with 900 atoms + +Performance: 63855371.888 ns/day, 0.000 hours/ns, 739.067 timesteps/s, 665.160 katom-step/s +98.8% CPU use with 4 MPI tasks x no OpenMP threads + +MPI task timing breakdown: +Section | min time | avg time | max time |%varavg| %total +--------------------------------------------------------------- +Pair | 12.327 | 12.56 | 12.738 | 4.3 | 92.83 +Neigh | 0.0043391 | 0.0044297 | 0.0045381 | 0.1 | 0.03 +Comm | 0.53746 | 0.71463 | 0.94685 | 18.1 | 5.28 +Output | 0.021884 | 0.02228 | 0.023428 | 0.4 | 0.16 +Modify | 0.14457 | 0.14548 | 0.14643 | 0.2 | 1.08 +Other | | 0.08351 | | | 0.62 + +Nlocal: 225 ave 228 max 222 min +Histogram: 1 0 0 1 0 0 1 0 0 1 +Nghost: 438.25 ave 442 max 434 min +Histogram: 1 0 0 0 0 1 1 0 0 1 +Neighs: 10152.2 ave 10328 max 9853 min +Histogram: 1 0 0 0 0 0 0 1 1 1 + +Total # of neighbors = 40609 +Ave neighs/atom = 45.121111 +Neighbor list builds = 33 +Dangerous builds = 0 +Total wall time: 0:00:13 diff --git a/examples/PACKAGES/dpd-smooth/equipartition-verification/in.lammps b/examples/PACKAGES/dpd-smooth/equipartition-verification/in.lammps index 0d06723f59..59359d4b38 100644 --- a/examples/PACKAGES/dpd-smooth/equipartition-verification/in.lammps +++ b/examples/PACKAGES/dpd-smooth/equipartition-verification/in.lammps @@ -1,6 +1,6 @@ dimension 3 units micro -atom_style meso +atom_style sph variable a equal 0.1 # lattice spacing micrometers variable L equal $a*10 @@ -21,7 +21,7 @@ lattice sc $a create_atoms 1 box mass * ${mass} -set group all meso/rho ${rho_0} +set group all sph/rho ${rho_0} pair_style sdpd/taitwater/isothermal $T ${mu} 76787 # temperature viscosity random_seed pair_coeff * * ${rho_0} ${c_0} ${h} @@ -34,7 +34,7 @@ variable vx_sq_check equal c_v_sq[1]*${mass}/${kB}/$T variable vy_sq_check equal c_v_sq[2]*${mass}/${kB}/$T variable vz_sq_check equal c_v_sq[3]*${mass}/${kB}/$T -fix 1 all meso +fix 1 all sph neighbor ${skin} bin timestep ${dt} diff --git a/examples/PACKAGES/dpd-smooth/equipartition-verification/log.24Oct18.equipartition.g++.1 b/examples/PACKAGES/dpd-smooth/equipartition-verification/log.28Mar23.equipartition.g++.1 similarity index 58% rename from examples/PACKAGES/dpd-smooth/equipartition-verification/log.24Oct18.equipartition.g++.1 rename to examples/PACKAGES/dpd-smooth/equipartition-verification/log.28Mar23.equipartition.g++.1 index 06ffd699bc..2fa4771a74 100644 --- a/examples/PACKAGES/dpd-smooth/equipartition-verification/log.24Oct18.equipartition.g++.1 +++ b/examples/PACKAGES/dpd-smooth/equipartition-verification/log.28Mar23.equipartition.g++.1 @@ -1,7 +1,7 @@ -LAMMPS (24 Oct 2018) +LAMMPS (28 Mar 2023 - Development) dimension 3 units micro -atom_style meso +atom_style sph variable a equal 0.1 # lattice spacing micrometers variable L equal $a*10 @@ -38,13 +38,15 @@ Lattice spacing in x,y,z = 0.1 0.1 0.1 create_atoms 1 box Created 8000 atoms - Time spent = 0.00285411 secs + using lattice units in orthogonal box = (-1 -1 -1) to (1 1 1) + create_atoms CPU = 0.002 seconds mass * ${mass} mass * 0.001 -set group all meso/rho ${rho_0} -set group all meso/rho 1 - 8000 settings made for meso/rho +set group all sph/rho ${rho_0} +set group all sph/rho 1 +Setting atom values ... + 8000 settings made for sph/rho pair_style sdpd/taitwater/isothermal $T ${mu} 76787 # temperature viscosity random_seed pair_style sdpd/taitwater/isothermal 300 ${mu} 76787 @@ -71,7 +73,7 @@ variable vz_sq_check equal c_v_sq[3]*0.001/${kB}/$T variable vz_sq_check equal c_v_sq[3]*0.001/1.3806504e-08/$T variable vz_sq_check equal c_v_sq[3]*0.001/1.3806504e-08/300 -fix 1 all meso +fix 1 all sph neighbor ${skin} bin neighbor 0.04 bin @@ -82,8 +84,9 @@ thermo 10 thermo_style custom step time v_vx_sq_check v_vy_sq_check v_vz_sq_check run 200 +Generated 0 of 0 mixed pair_coeff terms from geometric mixing rule Neighbor list info ... - update every 1 steps, delay 10 steps, check yes + update: every = 1 steps, delay = 0 steps, check = yes max neighbors/atom: 2000, page size: 100000 master list distance cutoff = 0.44 ghost atom cutoff = 0.44 @@ -92,55 +95,55 @@ Neighbor list info ... (1) pair sdpd/taitwater/isothermal, perpetual attributes: half, newton on pair build: half/bin/atomonly/newton - stencil: half/bin/3d/newton + stencil: half/bin/3d bin: standard -Per MPI rank memory allocation (min/avg/max) = 13.54 | 13.54 | 13.54 Mbytes -Step Time v_vx_sq_check v_vy_sq_check v_vz_sq_check - 0 0 0 0 0 - 10 0.005 0.70973271 0.71495693 0.71910087 - 20 0.01 0.90418096 0.88845437 0.89659567 - 30 0.015 0.9590736 0.97880338 0.9619016 - 40 0.02 0.98533774 0.96057682 0.95600448 - 50 0.025 0.96433662 0.96650071 0.95509683 - 60 0.03 0.96598029 0.96373656 0.96734888 - 70 0.035 0.95433045 0.98004764 0.96255924 - 80 0.04 0.97872906 0.95987289 0.96623598 - 90 0.045 0.99913888 0.99255731 0.95616142 - 100 0.05 0.98872675 0.97141018 0.95338841 - 110 0.055 0.97794592 0.97389258 0.98473719 - 120 0.06 0.98389266 0.96716284 0.95504862 - 130 0.065 0.98572886 0.96680923 0.95599065 - 140 0.07 0.97602684 0.97580081 0.9886878 - 150 0.075 0.99172003 0.95027467 0.96028033 - 160 0.08 0.96793247 0.94590928 0.95644301 - 170 0.085 0.94167619 0.98048861 0.93439426 - 180 0.09 0.97277934 0.97383622 0.96900866 - 190 0.095 0.96647288 1.0027643 0.96230782 - 200 0.1 0.94864291 0.95902585 0.96398175 -Loop time of 60.1095 on 1 procs for 200 steps with 8000 atoms +Per MPI rank memory allocation (min/avg/max) = 14.29 | 14.29 | 14.29 Mbytes + Step Time v_vx_sq_check v_vy_sq_check v_vz_sq_check + 0 0 0 0 0 + 10 0.005 0.70973271 0.71495693 0.71910087 + 20 0.01 0.90418096 0.88845437 0.89659567 + 30 0.015 0.9590736 0.97880338 0.9619016 + 40 0.02 0.98533774 0.96057682 0.95600448 + 50 0.025 0.96433662 0.96650071 0.95509683 + 60 0.03 0.96598029 0.96373656 0.96734888 + 70 0.035 0.95433045 0.98004764 0.96255924 + 80 0.04 0.97872906 0.95987289 0.96623598 + 90 0.045 0.99913888 0.99255731 0.95616142 + 100 0.05 0.98872675 0.97141018 0.95338841 + 110 0.055 0.97794592 0.97389258 0.98473719 + 120 0.06 0.98389266 0.96716284 0.95504862 + 130 0.065 0.98572886 0.96680923 0.95599065 + 140 0.07 0.97602684 0.97580081 0.9886878 + 150 0.075 0.99172003 0.95027467 0.96028033 + 160 0.08 0.96793247 0.94590928 0.95644301 + 170 0.085 0.94167619 0.98048861 0.93439426 + 180 0.09 0.97277934 0.97383622 0.96900866 + 190 0.095 0.96647288 1.0027643 0.96230782 + 200 0.1 0.94864291 0.95902585 0.96398175 +Loop time of 55.7542 on 1 procs for 200 steps with 8000 atoms -Performance: 143737.595 ns/day, 0.000 hours/ns, 3.327 timesteps/s -99.7% CPU use with 1 MPI tasks x no OpenMP threads +Performance: 154965.922 ns/day, 0.000 hours/ns, 3.587 timesteps/s, 28.697 katom-step/s +99.6% CPU use with 1 MPI tasks x no OpenMP threads MPI task timing breakdown: Section | min time | avg time | max time |%varavg| %total --------------------------------------------------------------- -Pair | 59.92 | 59.92 | 59.92 | 0.0 | 99.68 +Pair | 55.642 | 55.642 | 55.642 | 0.0 | 99.80 Neigh | 0 | 0 | 0 | 0.0 | 0.00 -Comm | 0.11154 | 0.11154 | 0.11154 | 0.0 | 0.19 -Output | 0.0063498 | 0.0063498 | 0.0063498 | 0.0 | 0.01 -Modify | 0.043546 | 0.043546 | 0.043546 | 0.0 | 0.07 -Other | | 0.02811 | | | 0.05 +Comm | 0.060977 | 0.060977 | 0.060977 | 0.0 | 0.11 +Output | 0.0066393 | 0.0066393 | 0.0066393 | 0.0 | 0.01 +Modify | 0.028354 | 0.028354 | 0.028354 | 0.0 | 0.05 +Other | | 0.01623 | | | 0.03 -Nlocal: 8000 ave 8000 max 8000 min +Nlocal: 8000 ave 8000 max 8000 min Histogram: 1 0 0 0 0 0 0 0 0 0 -Nghost: 16389 ave 16389 max 16389 min +Nghost: 16389 ave 16389 max 16389 min Histogram: 1 0 0 0 0 0 0 0 0 0 -Neighs: 1.456e+06 ave 1.456e+06 max 1.456e+06 min +Neighs: 1.456e+06 ave 1.456e+06 max 1.456e+06 min Histogram: 1 0 0 0 0 0 0 0 0 0 Total # of neighbors = 1456000 Ave neighs/atom = 182 Neighbor list builds = 0 Dangerous builds = 0 -Total wall time: 0:01:00 +Total wall time: 0:00:56 diff --git a/examples/PACKAGES/dpd-smooth/equipartition-verification/log.24Oct18.equipartition.g++.4 b/examples/PACKAGES/dpd-smooth/equipartition-verification/log.28Mar23.equipartition.g++.4 similarity index 58% rename from examples/PACKAGES/dpd-smooth/equipartition-verification/log.24Oct18.equipartition.g++.4 rename to examples/PACKAGES/dpd-smooth/equipartition-verification/log.28Mar23.equipartition.g++.4 index 88509f0fd1..e4f11d305e 100644 --- a/examples/PACKAGES/dpd-smooth/equipartition-verification/log.24Oct18.equipartition.g++.4 +++ b/examples/PACKAGES/dpd-smooth/equipartition-verification/log.28Mar23.equipartition.g++.4 @@ -1,7 +1,7 @@ -LAMMPS (24 Oct 2018) +LAMMPS (28 Mar 2023 - Development) dimension 3 units micro -atom_style meso +atom_style sph variable a equal 0.1 # lattice spacing micrometers variable L equal $a*10 @@ -38,13 +38,15 @@ Lattice spacing in x,y,z = 0.1 0.1 0.1 create_atoms 1 box Created 8000 atoms - Time spent = 0.00252754 secs + using lattice units in orthogonal box = (-1 -1 -1) to (1 1 1) + create_atoms CPU = 0.001 seconds mass * ${mass} mass * 0.001 -set group all meso/rho ${rho_0} -set group all meso/rho 1 - 8000 settings made for meso/rho +set group all sph/rho ${rho_0} +set group all sph/rho 1 +Setting atom values ... + 8000 settings made for sph/rho pair_style sdpd/taitwater/isothermal $T ${mu} 76787 # temperature viscosity random_seed pair_style sdpd/taitwater/isothermal 300 ${mu} 76787 @@ -71,7 +73,7 @@ variable vz_sq_check equal c_v_sq[3]*0.001/${kB}/$T variable vz_sq_check equal c_v_sq[3]*0.001/1.3806504e-08/$T variable vz_sq_check equal c_v_sq[3]*0.001/1.3806504e-08/300 -fix 1 all meso +fix 1 all sph neighbor ${skin} bin neighbor 0.04 bin @@ -82,8 +84,9 @@ thermo 10 thermo_style custom step time v_vx_sq_check v_vy_sq_check v_vz_sq_check run 200 +Generated 0 of 0 mixed pair_coeff terms from geometric mixing rule Neighbor list info ... - update every 1 steps, delay 10 steps, check yes + update: every = 1 steps, delay = 0 steps, check = yes max neighbors/atom: 2000, page size: 100000 master list distance cutoff = 0.44 ghost atom cutoff = 0.44 @@ -92,55 +95,55 @@ Neighbor list info ... (1) pair sdpd/taitwater/isothermal, perpetual attributes: half, newton on pair build: half/bin/atomonly/newton - stencil: half/bin/3d/newton + stencil: half/bin/3d bin: standard -Per MPI rank memory allocation (min/avg/max) = 5.795 | 5.795 | 5.795 Mbytes -Step Time v_vx_sq_check v_vy_sq_check v_vz_sq_check - 0 0 0 0 0 - 10 0.005 0.71224819 0.71470372 0.7008956 - 20 0.01 0.90627589 0.90683966 0.90116506 - 30 0.015 0.938505 0.95884272 0.93337542 - 40 0.02 0.94394649 0.93668038 0.96468004 - 50 0.025 0.97152309 0.97546161 0.95107762 - 60 0.03 0.94710871 0.95678322 0.97285504 - 70 0.035 0.96253148 0.95838642 0.95450883 - 80 0.04 0.97581495 0.95278681 0.95099478 - 90 0.045 0.96251614 0.9740684 0.96081505 - 100 0.05 0.94191275 0.97137523 0.94084858 - 110 0.055 0.953406 0.95739684 0.98574522 - 120 0.06 0.99001614 0.99608287 0.9839996 - 130 0.065 0.96575225 0.94309655 0.92847798 - 140 0.07 0.97642687 0.97458638 0.94696406 - 150 0.075 0.99316381 0.96876814 0.95440106 - 160 0.08 0.94589744 0.95264791 0.95495169 - 170 0.085 0.97599092 0.95336014 0.97687718 - 180 0.09 0.97214242 0.9726305 0.9726035 - 190 0.095 0.97577583 0.96523645 0.9756968 - 200 0.1 0.96386053 0.97268854 0.94582436 -Loop time of 32.5247 on 4 procs for 200 steps with 8000 atoms +Per MPI rank memory allocation (min/avg/max) = 6.172 | 6.172 | 6.172 Mbytes + Step Time v_vx_sq_check v_vy_sq_check v_vz_sq_check + 0 0 0 0 0 + 10 0.005 0.71224819 0.71470372 0.7008956 + 20 0.01 0.90627589 0.90683966 0.90116506 + 30 0.015 0.938505 0.95884272 0.93337542 + 40 0.02 0.94394649 0.93668038 0.96468004 + 50 0.025 0.97152309 0.97546161 0.95107762 + 60 0.03 0.94710871 0.95678322 0.97285504 + 70 0.035 0.96253148 0.95838642 0.95450883 + 80 0.04 0.97581495 0.95278681 0.95099478 + 90 0.045 0.96251614 0.9740684 0.96081505 + 100 0.05 0.94191275 0.97137523 0.94084858 + 110 0.055 0.953406 0.95739684 0.98574522 + 120 0.06 0.99001614 0.99608287 0.9839996 + 130 0.065 0.96575225 0.94309655 0.92847798 + 140 0.07 0.97642687 0.97458638 0.94696406 + 150 0.075 0.99316381 0.96876814 0.95440106 + 160 0.08 0.94589744 0.95264791 0.95495169 + 170 0.085 0.97599092 0.95336014 0.97687718 + 180 0.09 0.97214242 0.9726305 0.9726035 + 190 0.095 0.97577583 0.96523645 0.9756968 + 200 0.1 0.96386053 0.97268854 0.94582436 +Loop time of 9.59181 on 4 procs for 200 steps with 8000 atoms -Performance: 265644.515 ns/day, 0.000 hours/ns, 6.149 timesteps/s -73.9% CPU use with 4 MPI tasks x no OpenMP threads +Performance: 900768.333 ns/day, 0.000 hours/ns, 20.851 timesteps/s, 166.809 katom-step/s +98.1% CPU use with 4 MPI tasks x no OpenMP threads MPI task timing breakdown: Section | min time | avg time | max time |%varavg| %total --------------------------------------------------------------- -Pair | 27.385 | 28.409 | 28.761 | 11.1 | 87.34 +Pair | 8.9729 | 9.2147 | 9.4383 | 5.5 | 96.07 Neigh | 0 | 0 | 0 | 0.0 | 0.00 -Comm | 3.582 | 3.9343 | 4.9531 | 29.7 | 12.10 -Output | 0.022267 | 0.026073 | 0.033141 | 2.7 | 0.08 -Modify | 0.031714 | 0.033134 | 0.034367 | 0.6 | 0.10 -Other | | 0.1226 | | | 0.38 +Comm | 0.13739 | 0.36068 | 0.60216 | 27.6 | 3.76 +Output | 0.0022724 | 0.002394 | 0.0026506 | 0.3 | 0.02 +Modify | 0.0068559 | 0.0069926 | 0.0070974 | 0.1 | 0.07 +Other | | 0.007004 | | | 0.07 -Nlocal: 2000 ave 2000 max 2000 min +Nlocal: 2000 ave 2000 max 2000 min Histogram: 4 0 0 0 0 0 0 0 0 0 -Nghost: 8469 ave 8469 max 8469 min +Nghost: 8469 ave 8469 max 8469 min Histogram: 4 0 0 0 0 0 0 0 0 0 -Neighs: 364000 ave 376628 max 351184 min +Neighs: 364000 ave 376628 max 351184 min Histogram: 1 0 1 0 0 0 0 1 0 1 Total # of neighbors = 1456000 Ave neighs/atom = 182 Neighbor list builds = 0 Dangerous builds = 0 -Total wall time: 0:00:32 +Total wall time: 0:00:09 diff --git a/examples/PACKAGES/interlayer/aip_water_2dm/COH.aip.water.2dm b/examples/PACKAGES/interlayer/aip_water_2dm/COH.aip.water.2dm new file mode 120000 index 0000000000..fe5cccfcd2 --- /dev/null +++ b/examples/PACKAGES/interlayer/aip_water_2dm/COH.aip.water.2dm @@ -0,0 +1 @@ +../../../../potentials/COH.aip.water.2dm \ No newline at end of file diff --git a/examples/PACKAGES/interlayer/aip_water_2dm/gra_water.data b/examples/PACKAGES/interlayer/aip_water_2dm/gra_water.data new file mode 100644 index 0000000000..7e6d3925f0 --- /dev/null +++ b/examples/PACKAGES/interlayer/aip_water_2dm/gra_water.data @@ -0,0 +1,2040 @@ +LAMMPS data file via write_data, version 23 Jun 2022, timestep = 100000 + +936 atoms +3 atom types +96 bonds +1 bond types +48 angles +1 angle types + +0 46.92336 xlo xhi +0 44.331078317370086 ylo yhi +0 200 zlo zhi + +Atoms # full + +1 1 1 0 0 0 0 0 0 0 +2 1 1 0 0.71096 1.231418842149169 0 0 0 0 +3 1 1 0 2.13288 1.231418842149169 0 0 0 0 +4 1 1 0 2.84384 0 0 0 0 0 +5 1 1 0 0 2.462837684298338 0 0 0 0 +6 1 1 0 0.71096 3.694256526447507 0 0 0 0 +7 1 1 0 2.13288 3.694256526447507 0 0 0 0 +8 1 1 0 2.84384 2.462837684298338 0 0 0 0 +9 1 1 0 0 4.925675368596676 0 0 0 0 +10 1 1 0 0.71096 6.157094210745845 0 0 0 0 +11 1 1 0 2.13288 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1.008 # hydrogen mass (g/mole) +# Separate atom groups +group gr molecule 1 +group water molecule 2 +######################## Potential defition ############################## +# Interlayer potential +pair_style hybrid/overlay aip/water/2dm 16.0 lj/cut/tip4p/long 2 3 1 1 0.1546 10 8.5 +#################################################################### +pair_coeff 1 1 none +pair_coeff 2 2 lj/cut/tip4p/long 8.0313e-3 3.1589 # O-O +pair_coeff 2 3 lj/cut/tip4p/long 0.0 0.0 # O-H +pair_coeff 3 3 lj/cut/tip4p/long 0.0 0.0 # H-H +pair_coeff * * aip/water/2dm COH.aip.water.2dm C Ow Hw # C-H2O +# bond and angle +bond_style harmonic +bond_coeff 1 0.0 0.9572 +angle_style harmonic +angle_coeff 1 0.0 104.52 +# define kspace calculation +kspace_style pppm/tip4p 1E-5 +# Neighbor update settings +neighbor 2.0 bin +neigh_modify every 1 delay 5 check yes page 1000000 one 100000 +#################################################################### +# Calculate pair energy +compute 1 all pair lj/cut/tip4p/long +compute 2 all pair aip/water/2dm +compute wt water temp +variable TIP4P equal c_1 +variable EILP equal c_2 # total interlayer energy +variable temp_wt equal c_wt +############# Output ############## +thermo_style custom step etotal pe ke v_TIP4P v_EILP v_temp_wt +thermo 100 +thermo_modify lost error + +fix subf gr setforce 0.0 0.0 0.0 +fix 1 water shake 0.0001 20 100 b 1 a 1 + +timestep 1e-3 +velocity water create 300.0 12345 dist gaussian mom yes rot yes +fix 2 water nve +run 1000 diff --git a/examples/PACKAGES/interlayer/aip_water_2dm/in.gr_water.opt b/examples/PACKAGES/interlayer/aip_water_2dm/in.gr_water.opt new file mode 100644 index 0000000000..8494bfcb3e --- /dev/null +++ b/examples/PACKAGES/interlayer/aip_water_2dm/in.gr_water.opt @@ -0,0 +1,51 @@ +# Initialization +units metal +boundary p p p +atom_style full +processors * * 1 # domain decomposition over x and y +read_data ./gra_water.data +mass 1 12.0107 # carbon mass (g/mole) +mass 2 15.9994 # oxygen mass (g/mole) +mass 3 1.008 # hydrogen mass (g/mole) +# Separate atom groups +group gr molecule 1 +group water molecule 2 +######################## Potential defition ############################## +# Interlayer potential +pair_style hybrid/overlay aip/water/2dm/opt 16.0 lj/cut/tip4p/long 2 3 1 1 0.1546 10 8.5 +#################################################################### +pair_coeff 1 1 none +pair_coeff 2 2 lj/cut/tip4p/long 8.0313e-3 3.1589 # O-O +pair_coeff 2 3 lj/cut/tip4p/long 0.0 0.0 # O-H +pair_coeff 3 3 lj/cut/tip4p/long 0.0 0.0 # H-H +pair_coeff * * aip/water/2dm/opt COH.aip.water.2dm C Ow Hw # C-H2O +# bond and angle +bond_style harmonic +bond_coeff 1 0.0 0.9572 +angle_style harmonic +angle_coeff 1 0.0 104.52 +# define kspace calculation +kspace_style pppm/tip4p 1E-5 +# Neighbor update settings +neighbor 2.0 bin +neigh_modify every 1 delay 5 check yes page 1000000 one 100000 +#################################################################### +# Calculate pair energy +compute 1 all pair lj/cut/tip4p/long +compute 2 all pair aip/water/2dm/opt +compute wt water temp +variable TIP4P equal c_1 +variable EILP equal c_2 # total interlayer energy +variable temp_wt equal c_wt +############# Output ############## +thermo_style custom step etotal pe ke v_TIP4P v_EILP v_temp_wt +thermo 100 +thermo_modify lost error + +fix subf gr setforce 0.0 0.0 0.0 +fix 1 water shake 0.0001 20 100 b 1 a 1 + +timestep 1e-3 +velocity water create 300.0 12345 dist gaussian mom yes rot yes +fix 2 water nve +run 1000 diff --git a/examples/PACKAGES/interlayer/aip_water_2dm/log.18May23.gr_water.g++.1 b/examples/PACKAGES/interlayer/aip_water_2dm/log.18May23.gr_water.g++.1 new file mode 100644 index 0000000000..c8268c72f6 --- /dev/null +++ b/examples/PACKAGES/interlayer/aip_water_2dm/log.18May23.gr_water.g++.1 @@ -0,0 +1,239 @@ +LAMMPS (23 Jun 2022 - Update 4) +OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (../comm.cpp:98) + using 1 OpenMP thread(s) per MPI task +# Initialization +units metal +boundary p p p +atom_style full +processors * * 1 # domain decomposition over x and y +read_data ./gra_water.data +Reading data file ... + orthogonal box = (0 0 0) to (46.92336 44.331078 200) + 1 by 1 by 1 MPI processor grid + reading atoms ... + 936 atoms + reading velocities ... + 936 velocities + scanning bonds ... + 2 = max bonds/atom + scanning angles ... + 1 = max angles/atom + reading bonds ... + 96 bonds + reading angles ... + 48 angles +Finding 1-2 1-3 1-4 neighbors ... + special bond factors lj: 0 0 0 + special bond factors coul: 0 0 0 + 2 = max # of 1-2 neighbors + 1 = max # of 1-3 neighbors + 1 = max # of 1-4 neighbors + 2 = max # of special neighbors + special bonds CPU = 0.000 seconds + read_data CPU = 0.012 seconds +mass 1 12.0107 # carbon mass (g/mole) +mass 2 15.9994 # oxygen mass (g/mole) +mass 3 1.008 # hydrogen mass (g/mole) +# Separate atom groups +group gr molecule 1 +792 atoms in group gr +group water molecule 2 +144 atoms in group water +######################## Potential defition ############################## +# Interlayer potential +pair_style hybrid/overlay aip/water/2dm 16.0 lj/cut/tip4p/long 2 3 1 1 0.1546 10 8.5 +#################################################################### +pair_coeff 1 1 none +pair_coeff 2 2 lj/cut/tip4p/long 8.0313e-3 3.1589 # O-O +pair_coeff 2 3 lj/cut/tip4p/long 0.0 0.0 # O-H +pair_coeff 3 3 lj/cut/tip4p/long 0.0 0.0 # H-H +pair_coeff * * aip/water/2dm COH.aip.water.2dm C Ow Hw # C-H2O +Reading aip/water/2dm potential file COH.aip.water.2dm with DATE: 2022-12-02 +# bond and angle +bond_style harmonic +bond_coeff 1 0.0 0.9572 +angle_style harmonic +angle_coeff 1 0.0 104.52 +# define kspace calculation +kspace_style pppm/tip4p 1E-5 +# Neighbor update settings +neighbor 2.0 bin +neigh_modify every 1 delay 5 check yes page 1000000 one 100000 +#################################################################### +# Calculate pair energy +compute 1 all pair lj/cut/tip4p/long +compute 2 all pair aip/water/2dm +compute wt water temp +variable TIP4P equal c_1 +variable EILP equal c_2 # total interlayer energy +variable temp_wt equal c_wt +############# Output ############## +thermo_style custom step etotal pe ke v_TIP4P v_EILP v_temp_wt +thermo 100 +thermo_modify lost error + +fix subf gr setforce 0.0 0.0 0.0 +fix 1 water shake 0.0001 20 100 b 1 a 1 + 0 = # of size 2 clusters + 0 = # of size 3 clusters + 0 = # of size 4 clusters + 48 = # of frozen angles + find clusters CPU = 0.000 seconds + +timestep 1e-3 +velocity water create 300.0 12345 dist gaussian mom yes rot yes +fix 2 water nve +run 1000 + +CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE + +Your simulation uses code contributions which should be cited: + +- ilp/graphene/hbn potential doi:10.1021/acs.nanolett.8b02848 +@Article{Ouyang2018 + author = {W. Ouyang and D. Mandelli and M. Urbakh and O. Hod}, + title = {Nanoserpents: Graphene Nanoribbon Motion on Two-Dimensional Hexagonal Materials}, + journal = {Nano Letters}, + volume = 18, + pages = 6009, + year = 2018, +} + +- ilp/tmd potential doi:10.1021/acs.jctc.1c00782 +@Article{Ouyang2021 + author = {W. Ouyang and R. Sofer and X. Gao and J. Hermann and + A. Tkatchenko and L. Kronik and M. Urbakh and O. Hod}, + title = {Anisotropic Interlayer Force Field for Transition + Metal Dichalcogenides: The Case of Molybdenum Disulfide}, + journal = {J.~Chem.\ Theory Comput.}, + volume = 17, + pages = {7237--7245} + year = 2021, +} + +- ilp/water/2dm potential doi/10.1021/acs.jpcc.2c08464 +@Article{Feng2023 + author = {Z. Feng, Y. Yao, J. Liu, B. Wu, Z. Liu, and W. Ouyang}, + title = {Registry-Dependent Potential for Interfaces of Water with Graphene}, + journal = {J. Phys. Chem. C}, + volume = 127, + pages = {8704-8713} + year = 2023, +} + +CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE + +PPPM initialization ... + extracting TIP4P info from pair style + using 12-bit tables for long-range coulomb (../kspace.cpp:342) + G vector (1/distance) = 0.28684806 + grid = 25 24 80 + stencil order = 5 + estimated absolute RMS force accuracy = 0.0001640931 + estimated relative force accuracy = 1.1395635e-05 + using single precision MKL FFT + 3d grid and FFT values/proc = 84320 48000 +WARNING: Using a manybody potential with bonds/angles/dihedrals and special_bond exclusions (../pair.cpp:239) +WARNING: Communication cutoff 0 is shorter than a bond length based estimate of 3.4358. This may lead to errors. (../comm.cpp:727) +WARNING: Increasing communication cutoff to 11.6118 for TIP4P pair style (../pair_lj_cut_tip4p_long.cpp:484) +Neighbor list info ... + update every 1 steps, delay 5 steps, check yes + max neighbors/atom: 100000, page size: 1000000 + master list distance cutoff = 18 + ghost atom cutoff = 18 + binsize = 9, bins = 6 5 23 + 3 neighbor lists, perpetual/occasional/extra = 3 0 0 + (1) pair aip/water/2dm, perpetual + attributes: full, newton on, ghost + pair build: full/bin/ghost + stencil: full/ghost/bin/3d + bin: standard + (2) pair lj/cut/tip4p/long, perpetual, skip from (3) + attributes: half, newton on + pair build: skip + stencil: none + bin: none + (3) neighbor class addition, perpetual + attributes: half, newton on + pair build: half/bin/newton + stencil: half/bin/3d + bin: standard +WARNING: Communication cutoff adjusted to 18 (../comm.cpp:736) +SHAKE stats (type/ave/delta/count) on step 0 +Bond: 1 0.957201 2.19705e-06 96 +Angle: 1 104.52 0.000203056 48 +Per MPI rank memory allocation (min/avg/max) = 32.9 | 32.9 | 32.9 Mbytes + Step TotEng PotEng KinEng v_TIP4P v_EILP v_temp_wt + 0 -16.131263 -19.815178 3.6839141 189.37246 -1.903543 300 +SHAKE stats (type/ave/delta/count) on step 100 +Bond: 1 0.9572 9.54949e-07 96 +Angle: 1 104.52 6.01522e-05 48 + 100 -17.494868 -20.796993 3.3021253 188.4955 -1.8981262 268.90898 +SHAKE stats (type/ave/delta/count) on step 200 +Bond: 1 0.9572 9.63922e-07 96 +Angle: 1 104.52 7.7021e-05 48 + 200 -17.486271 -21.194892 3.7086213 188.14561 -1.9871708 302.01203 +SHAKE stats (type/ave/delta/count) on step 300 +Bond: 1 0.9572 1.4264e-06 96 +Angle: 1 104.52 6.48393e-05 48 + 300 -17.502844 -20.993704 3.49086 188.23268 -1.8457229 284.27861 +SHAKE stats (type/ave/delta/count) on step 400 +Bond: 1 0.9572 1.33728e-06 96 +Angle: 1 104.52 7.6239e-05 48 + 400 -17.495287 -20.828353 3.3330658 188.48002 -1.8429075 271.42862 +SHAKE stats (type/ave/delta/count) on step 500 +Bond: 1 0.9572 1.14685e-06 96 +Angle: 1 104.52 8.58621e-05 48 + 500 -17.491435 -20.443044 2.9516084 188.7589 -1.8566335 240.36459 +SHAKE stats (type/ave/delta/count) on step 600 +Bond: 1 0.9572 9.17601e-07 96 +Angle: 1 104.52 8.24516e-05 48 + 600 -17.505684 -20.608457 3.1027731 188.72078 -1.9560796 252.67471 +SHAKE stats (type/ave/delta/count) on step 700 +Bond: 1 0.9572 9.50422e-07 96 +Angle: 1 104.52 5.62423e-05 48 + 700 -17.496703 -21.072663 3.5759596 188.2777 -1.9833956 291.20871 +SHAKE stats (type/ave/delta/count) on step 800 +Bond: 1 0.9572 1.15262e-06 96 +Angle: 1 104.52 7.02157e-05 48 + 800 -17.478623 -20.819504 3.3408809 188.37868 -1.9112996 272.06505 +SHAKE stats (type/ave/delta/count) on step 900 +Bond: 1 0.9572 9.14138e-07 96 +Angle: 1 104.52 6.98742e-05 48 + 900 -17.48086 -20.728495 3.2476349 188.59022 -1.8922102 264.47155 +SHAKE stats (type/ave/delta/count) on step 1000 +Bond: 1 0.9572 1.00586e-06 96 +Angle: 1 104.52 0.000111712 48 + 1000 -17.498465 -20.331545 2.8330804 188.87473 -1.812177 230.71225 +Loop time of 20.3334 on 1 procs for 1000 steps with 936 atoms + +Performance: 4.249 ns/day, 5.648 hours/ns, 49.180 timesteps/s +99.5% CPU use with 1 MPI tasks x 1 OpenMP threads + +MPI task timing breakdown: +Section | min time | avg time | max time |%varavg| %total +--------------------------------------------------------------- +Pair | 16.179 | 16.179 | 16.179 | 0.0 | 79.57 +Bond | 0.00021103 | 0.00021103 | 0.00021103 | 0.0 | 0.00 +Kspace | 3.3118 | 3.3118 | 3.3118 | 0.0 | 16.29 +Neigh | 0.79017 | 0.79017 | 0.79017 | 0.0 | 3.89 +Comm | 0.026379 | 0.026379 | 0.026379 | 0.0 | 0.13 +Output | 0.00046496 | 0.00046496 | 0.00046496 | 0.0 | 0.00 +Modify | 0.017013 | 0.017013 | 0.017013 | 0.0 | 0.08 +Other | | 0.008835 | | | 0.04 + +Nlocal: 936 ave 936 max 936 min +Histogram: 1 0 0 0 0 0 0 0 0 0 +Nghost: 5242 ave 5242 max 5242 min +Histogram: 1 0 0 0 0 0 0 0 0 0 +Neighs: 0 ave 0 max 0 min +Histogram: 1 0 0 0 0 0 0 0 0 0 +FullNghs: 431382 ave 431382 max 431382 min +Histogram: 1 0 0 0 0 0 0 0 0 0 + +Total # of neighbors = 431382 +Ave neighs/atom = 460.87821 +Ave special neighs/atom = 0.30769231 +Neighbor list builds = 28 +Dangerous builds = 0 +Total wall time: 0:00:20 diff --git a/examples/PACKAGES/interlayer/aip_water_2dm/log.18May23.gr_water.g++.4 b/examples/PACKAGES/interlayer/aip_water_2dm/log.18May23.gr_water.g++.4 new file mode 100644 index 0000000000..ab28c96657 --- /dev/null +++ b/examples/PACKAGES/interlayer/aip_water_2dm/log.18May23.gr_water.g++.4 @@ -0,0 +1,239 @@ +LAMMPS (23 Jun 2022 - Update 4) +OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (../comm.cpp:98) + using 1 OpenMP thread(s) per MPI task +# Initialization +units metal +boundary p p p +atom_style full +processors * * 1 # domain decomposition over x and y +read_data ./gra_water.data +Reading data file ... + orthogonal box = (0 0 0) to (46.92336 44.331078 200) + 2 by 2 by 1 MPI processor grid + reading atoms ... + 936 atoms + reading velocities ... + 936 velocities + scanning bonds ... + 2 = max bonds/atom + scanning angles ... + 1 = max angles/atom + reading bonds ... + 96 bonds + reading angles ... + 48 angles +Finding 1-2 1-3 1-4 neighbors ... + special bond factors lj: 0 0 0 + special bond factors coul: 0 0 0 + 2 = max # of 1-2 neighbors + 1 = max # of 1-3 neighbors + 1 = max # of 1-4 neighbors + 2 = max # of special neighbors + special bonds CPU = 0.001 seconds + read_data CPU = 0.017 seconds +mass 1 12.0107 # carbon mass (g/mole) +mass 2 15.9994 # oxygen mass (g/mole) +mass 3 1.008 # hydrogen mass (g/mole) +# Separate atom groups +group gr molecule 1 +792 atoms in group gr +group water molecule 2 +144 atoms in group water +######################## Potential defition ############################## +# Interlayer potential +pair_style hybrid/overlay aip/water/2dm 16.0 lj/cut/tip4p/long 2 3 1 1 0.1546 10 8.5 +#################################################################### +pair_coeff 1 1 none +pair_coeff 2 2 lj/cut/tip4p/long 8.0313e-3 3.1589 # O-O +pair_coeff 2 3 lj/cut/tip4p/long 0.0 0.0 # O-H +pair_coeff 3 3 lj/cut/tip4p/long 0.0 0.0 # H-H +pair_coeff * * aip/water/2dm COH.aip.water.2dm C Ow Hw # C-H2O +Reading aip/water/2dm potential file COH.aip.water.2dm with DATE: 2022-12-02 +# bond and angle +bond_style harmonic +bond_coeff 1 0.0 0.9572 +angle_style harmonic +angle_coeff 1 0.0 104.52 +# define kspace calculation +kspace_style pppm/tip4p 1E-5 +# Neighbor update settings +neighbor 2.0 bin +neigh_modify every 1 delay 5 check yes page 1000000 one 100000 +#################################################################### +# Calculate pair energy +compute 1 all pair lj/cut/tip4p/long +compute 2 all pair aip/water/2dm +compute wt water temp +variable TIP4P equal c_1 +variable EILP equal c_2 # total interlayer energy +variable temp_wt equal c_wt +############# Output ############## +thermo_style custom step etotal pe ke v_TIP4P v_EILP v_temp_wt +thermo 100 +thermo_modify lost error + +fix subf gr setforce 0.0 0.0 0.0 +fix 1 water shake 0.0001 20 100 b 1 a 1 + 0 = # of size 2 clusters + 0 = # of size 3 clusters + 0 = # of size 4 clusters + 48 = # of frozen angles + find clusters CPU = 0.000 seconds + +timestep 1e-3 +velocity water create 300.0 12345 dist gaussian mom yes rot yes +fix 2 water nve +run 1000 + +CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE + +Your simulation uses code contributions which should be cited: + +- ilp/graphene/hbn potential doi:10.1021/acs.nanolett.8b02848 +@Article{Ouyang2018 + author = {W. Ouyang and D. Mandelli and M. Urbakh and O. Hod}, + title = {Nanoserpents: Graphene Nanoribbon Motion on Two-Dimensional Hexagonal Materials}, + journal = {Nano Letters}, + volume = 18, + pages = 6009, + year = 2018, +} + +- ilp/tmd potential doi:10.1021/acs.jctc.1c00782 +@Article{Ouyang2021 + author = {W. Ouyang and R. Sofer and X. Gao and J. Hermann and + A. Tkatchenko and L. Kronik and M. Urbakh and O. Hod}, + title = {Anisotropic Interlayer Force Field for Transition + Metal Dichalcogenides: The Case of Molybdenum Disulfide}, + journal = {J.~Chem.\ Theory Comput.}, + volume = 17, + pages = {7237--7245} + year = 2021, +} + +- ilp/water/2dm potential doi/10.1021/acs.jpcc.2c08464 +@Article{Feng2023 + author = {Z. Feng, Y. Yao, J. Liu, B. Wu, Z. Liu, and W. Ouyang}, + title = {Registry-Dependent Potential for Interfaces of Water with Graphene}, + journal = {J. Phys. Chem. C}, + volume = 127, + pages = {8704-8713} + year = 2023, +} + +CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE + +PPPM initialization ... + extracting TIP4P info from pair style + using 12-bit tables for long-range coulomb (../kspace.cpp:342) + G vector (1/distance) = 0.28684806 + grid = 25 24 80 + stencil order = 5 + estimated absolute RMS force accuracy = 0.0001640931 + estimated relative force accuracy = 1.1395635e-05 + using single precision MKL FFT + 3d grid and FFT values/proc = 30685 12480 +WARNING: Using a manybody potential with bonds/angles/dihedrals and special_bond exclusions (../pair.cpp:239) +WARNING: Communication cutoff 0 is shorter than a bond length based estimate of 3.4358. This may lead to errors. (../comm.cpp:727) +WARNING: Increasing communication cutoff to 11.6118 for TIP4P pair style (../pair_lj_cut_tip4p_long.cpp:484) +Neighbor list info ... + update every 1 steps, delay 5 steps, check yes + max neighbors/atom: 100000, page size: 1000000 + master list distance cutoff = 18 + ghost atom cutoff = 18 + binsize = 9, bins = 6 5 23 + 3 neighbor lists, perpetual/occasional/extra = 3 0 0 + (1) pair aip/water/2dm, perpetual + attributes: full, newton on, ghost + pair build: full/bin/ghost + stencil: full/ghost/bin/3d + bin: standard + (2) pair lj/cut/tip4p/long, perpetual, skip from (3) + attributes: half, newton on + pair build: skip + stencil: none + bin: none + (3) neighbor class addition, perpetual + attributes: half, newton on + pair build: half/bin/newton + stencil: half/bin/3d + bin: standard +WARNING: Communication cutoff adjusted to 18 (../comm.cpp:736) +SHAKE stats (type/ave/delta/count) on step 0 +Bond: 1 0.957201 2.19705e-06 96 +Angle: 1 104.52 0.000203056 48 +Per MPI rank memory allocation (min/avg/max) = 25.22 | 25.25 | 25.29 Mbytes + Step TotEng PotEng KinEng v_TIP4P v_EILP v_temp_wt + 0 -16.131263 -19.815178 3.6839141 189.37246 -1.903543 300 +SHAKE stats (type/ave/delta/count) on step 100 +Bond: 1 0.9572 9.54949e-07 96 +Angle: 1 104.52 6.01522e-05 48 + 100 -17.494869 -20.796995 3.3021253 188.4955 -1.8981262 268.90898 +SHAKE stats (type/ave/delta/count) on step 200 +Bond: 1 0.9572 9.63922e-07 96 +Angle: 1 104.52 7.7021e-05 48 + 200 -17.48627 -21.194892 3.7086213 188.14561 -1.9871708 302.01203 +SHAKE stats (type/ave/delta/count) on step 300 +Bond: 1 0.9572 1.4264e-06 96 +Angle: 1 104.52 6.48393e-05 48 + 300 -17.502843 -20.993703 3.4908599 188.23268 -1.8457229 284.27861 +SHAKE stats (type/ave/delta/count) on step 400 +Bond: 1 0.9572 1.33728e-06 96 +Angle: 1 104.52 7.6239e-05 48 + 400 -17.495285 -20.82835 3.333065 188.48003 -1.8429074 271.42856 +SHAKE stats (type/ave/delta/count) on step 500 +Bond: 1 0.9572 1.14685e-06 96 +Angle: 1 104.52 8.58621e-05 48 + 500 -17.491436 -20.443043 2.9516075 188.7589 -1.8566335 240.36452 +SHAKE stats (type/ave/delta/count) on step 600 +Bond: 1 0.9572 9.17601e-07 96 +Angle: 1 104.52 8.24517e-05 48 + 600 -17.505683 -20.608456 3.1027734 188.72078 -1.9560795 252.67474 +SHAKE stats (type/ave/delta/count) on step 700 +Bond: 1 0.9572 9.50425e-07 96 +Angle: 1 104.52 5.62422e-05 48 + 700 -17.496706 -21.072664 3.575958 188.2777 -1.9833951 291.20858 +SHAKE stats (type/ave/delta/count) on step 800 +Bond: 1 0.9572 1.15256e-06 96 +Angle: 1 104.52 7.02177e-05 48 + 800 -17.478628 -20.819507 3.340879 188.37868 -1.9113009 272.06489 +SHAKE stats (type/ave/delta/count) on step 900 +Bond: 1 0.9572 9.14163e-07 96 +Angle: 1 104.52 6.98849e-05 48 + 900 -17.480865 -20.728504 3.2476386 188.5902 -1.8922108 264.47185 +SHAKE stats (type/ave/delta/count) on step 1000 +Bond: 1 0.9572 1.00568e-06 96 +Angle: 1 104.52 0.000111707 48 + 1000 -17.498474 -20.331607 2.833133 188.87466 -1.8121689 230.71654 +Loop time of 9.05361 on 4 procs for 1000 steps with 936 atoms + +Performance: 9.543 ns/day, 2.515 hours/ns, 110.453 timesteps/s +99.6% CPU use with 4 MPI tasks x 1 OpenMP threads + +MPI task timing breakdown: +Section | min time | avg time | max time |%varavg| %total +--------------------------------------------------------------- +Pair | 2.462 | 4.2266 | 7.1075 | 89.3 | 46.68 +Bond | 0.00018424 | 0.00019878 | 0.00022125 | 0.0 | 0.00 +Kspace | 1.4698 | 4.338 | 6.1001 | 87.8 | 47.91 +Neigh | 0.39462 | 0.39489 | 0.39518 | 0.0 | 4.36 +Comm | 0.043753 | 0.055826 | 0.062746 | 3.1 | 0.62 +Output | 0.00048755 | 0.00053971 | 0.00062785 | 0.0 | 0.01 +Modify | 0.027255 | 0.028664 | 0.030278 | 0.7 | 0.32 +Other | | 0.008904 | | | 0.10 + +Nlocal: 234 ave 302 max 198 min +Histogram: 2 0 0 1 0 0 0 0 0 1 +Nghost: 2876.5 ave 3122 max 2632 min +Histogram: 1 0 1 0 0 0 0 1 0 1 +Neighs: 0 ave 0 max 0 min +Histogram: 4 0 0 0 0 0 0 0 0 0 +FullNghs: 107846 ave 150684 max 82181 min +Histogram: 2 0 0 0 1 0 0 0 0 1 + +Total # of neighbors = 431382 +Ave neighs/atom = 460.87821 +Ave special neighs/atom = 0.30769231 +Neighbor list builds = 28 +Dangerous builds = 0 +Total wall time: 0:00:09 diff --git a/examples/PACKAGES/interlayer/aip_water_2dm/log.18May23.gr_water.opt.g++.1 b/examples/PACKAGES/interlayer/aip_water_2dm/log.18May23.gr_water.opt.g++.1 new file mode 100644 index 0000000000..c795e85d56 --- /dev/null +++ b/examples/PACKAGES/interlayer/aip_water_2dm/log.18May23.gr_water.opt.g++.1 @@ -0,0 +1,256 @@ +LAMMPS (23 Jun 2022 - Update 4) +OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (../comm.cpp:98) + using 1 OpenMP thread(s) per MPI task +# Initialization +units metal +boundary p p p +atom_style full +processors * * 1 # domain decomposition over x and y +read_data ./gra_water.data +Reading data file ... + orthogonal box = (0 0 0) to (46.92336 44.331078 200) + 1 by 1 by 1 MPI processor grid + reading atoms ... + 936 atoms + reading velocities ... + 936 velocities + scanning bonds ... + 2 = max bonds/atom + scanning angles ... + 1 = max angles/atom + reading bonds ... + 96 bonds + reading angles ... + 48 angles +Finding 1-2 1-3 1-4 neighbors ... + special bond factors lj: 0 0 0 + special bond factors coul: 0 0 0 + 2 = max # of 1-2 neighbors + 1 = max # of 1-3 neighbors + 1 = max # of 1-4 neighbors + 2 = max # of special neighbors + special bonds CPU = 0.000 seconds + read_data CPU = 0.012 seconds +mass 1 12.0107 # carbon mass (g/mole) +mass 2 15.9994 # oxygen mass (g/mole) +mass 3 1.008 # hydrogen mass (g/mole) +# Separate atom groups +group gr molecule 1 +792 atoms in group gr +group water molecule 2 +144 atoms in group water +######################## Potential defition ############################## +# Interlayer potential +pair_style hybrid/overlay aip/water/2dm/opt 16.0 lj/cut/tip4p/long 2 3 1 1 0.1546 10 8.5 +#################################################################### +pair_coeff 1 1 none +pair_coeff 2 2 lj/cut/tip4p/long 8.0313e-3 3.1589 # O-O +pair_coeff 2 3 lj/cut/tip4p/long 0.0 0.0 # O-H +pair_coeff 3 3 lj/cut/tip4p/long 0.0 0.0 # H-H +pair_coeff * * aip/water/2dm/opt COH.aip.water.2dm C Ow Hw # C-H2O +Reading aip/water/2dm potential file COH.aip.water.2dm with DATE: 2022-12-02 +# bond and angle +bond_style harmonic +bond_coeff 1 0.0 0.9572 +angle_style harmonic +angle_coeff 1 0.0 104.52 +# define kspace calculation +kspace_style pppm/tip4p 1E-5 +# Neighbor update settings +neighbor 2.0 bin +neigh_modify every 1 delay 5 check yes page 1000000 one 100000 +#################################################################### +# Calculate pair energy +compute 1 all pair lj/cut/tip4p/long +compute 2 all pair aip/water/2dm/opt +compute wt water temp +variable TIP4P equal c_1 +variable EILP equal c_2 # total interlayer energy +variable temp_wt equal c_wt +############# Output ############## +thermo_style custom step etotal pe ke v_TIP4P v_EILP v_temp_wt +thermo 100 +thermo_modify lost error + +fix subf gr setforce 0.0 0.0 0.0 +fix 1 water shake 0.0001 20 100 b 1 a 1 + 0 = # of size 2 clusters + 0 = # of size 3 clusters + 0 = # of size 4 clusters + 48 = # of frozen angles + find clusters CPU = 0.000 seconds + +timestep 1e-3 +velocity water create 300.0 12345 dist gaussian mom yes rot yes +fix 2 water nve +run 1000 + +CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE + +Your simulation uses code contributions which should be cited: + +- ilp/graphene/hbn potential doi:10.1021/acs.nanolett.8b02848 +@Article{Ouyang2018 + author = {W. Ouyang and D. Mandelli and M. Urbakh and O. Hod}, + title = {Nanoserpents: Graphene Nanoribbon Motion on Two-Dimensional Hexagonal Materials}, + journal = {Nano Letters}, + volume = 18, + pages = 6009, + year = 2018, +} + +- ilp/tmd potential doi:10.1021/acs.jctc.1c00782 +@Article{Ouyang2021 + author = {W. Ouyang and R. Sofer and X. Gao and J. Hermann and + A. Tkatchenko and L. Kronik and M. Urbakh and O. Hod}, + title = {Anisotropic Interlayer Force Field for Transition + Metal Dichalcogenides: The Case of Molybdenum Disulfide}, + journal = {J.~Chem.\ Theory Comput.}, + volume = 17, + pages = {7237--7245} + year = 2021, +} + +- ilp/water/2dm potential doi/10.1021/acs.jpcc.2c08464 +@Article{Feng2023 + author = {Z. Feng, Y. Yao, J. Liu, B. Wu, Z. Liu, and W. Ouyang}, + title = {Registry-Dependent Potential for Interfaces of Water with Graphene}, + journal = {J. Phys. Chem. C}, + volume = 127, + pages = {8704-8713} + year = 2023, +} + +- ilp/graphene/hbn/opt potential doi:10.1145/3458817.3476137 +@inproceedings{gao2021lmff + author = {Gao, Ping and Duan, Xiaohui and Others}, + title = {LMFF: Efficient and Scalable Layered Materials Force Field on Heterogeneous Many-Core Processors}, + year = {2021}, + isbn = {9781450384421}, + publisher = {Association for Computing Machinery}, + address = {New York, NY, USA}, + url = {https://doi.org/10.1145/3458817.3476137}, + doi = {10.1145/3458817.3476137}, + booktitle = {Proceedings of the International Conference for High Performance Computing, Networking, Storage and Analysis}, + articleno = {42}, + numpages = {14}, + location = {St. Louis, Missouri}, + series = {SC'21}, +} + +CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE + +PPPM initialization ... + extracting TIP4P info from pair style + using 12-bit tables for long-range coulomb (../kspace.cpp:342) + G vector (1/distance) = 0.28684806 + grid = 25 24 80 + stencil order = 5 + estimated absolute RMS force accuracy = 0.0001640931 + estimated relative force accuracy = 1.1395635e-05 + using single precision MKL FFT + 3d grid and FFT values/proc = 84320 48000 +WARNING: Using a manybody potential with bonds/angles/dihedrals and special_bond exclusions (../pair.cpp:239) +WARNING: Communication cutoff 0 is shorter than a bond length based estimate of 3.4358. This may lead to errors. (../comm.cpp:727) +WARNING: Increasing communication cutoff to 11.6118 for TIP4P pair style (../pair_lj_cut_tip4p_long.cpp:484) +Neighbor list info ... + update every 1 steps, delay 5 steps, check yes + max neighbors/atom: 100000, page size: 1000000 + master list distance cutoff = 18 + ghost atom cutoff = 18 + binsize = 9, bins = 6 5 23 + 3 neighbor lists, perpetual/occasional/extra = 3 0 0 + (1) pair aip/water/2dm/opt, perpetual + attributes: full, newton on + pair build: full/bin + stencil: full/bin/3d + bin: standard + (2) pair lj/cut/tip4p/long, perpetual, skip from (3) + attributes: half, newton on + pair build: skip + stencil: none + bin: none + (3) neighbor class addition, perpetual, half/full from (1) + attributes: half, newton on + pair build: halffull/newton + stencil: none + bin: none +WARNING: Communication cutoff adjusted to 18 (../comm.cpp:736) +SHAKE stats (type/ave/delta/count) on step 0 +Bond: 1 0.957201 2.19705e-06 96 +Angle: 1 104.52 0.000203056 48 +Per MPI rank memory allocation (min/avg/max) = 25.27 | 25.27 | 25.27 Mbytes + Step TotEng PotEng KinEng v_TIP4P v_EILP v_temp_wt + 0 -16.131263 -19.815178 3.6839141 189.37246 -1.903543 300 +SHAKE stats (type/ave/delta/count) on step 100 +Bond: 1 0.9572 9.54949e-07 96 +Angle: 1 104.52 6.01522e-05 48 + 100 -17.494868 -20.796993 3.3021253 188.4955 -1.8981262 268.90898 +SHAKE stats (type/ave/delta/count) on step 200 +Bond: 1 0.9572 9.63922e-07 96 +Angle: 1 104.52 7.7021e-05 48 + 200 -17.486271 -21.194892 3.7086213 188.14561 -1.9871708 302.01203 +SHAKE stats (type/ave/delta/count) on step 300 +Bond: 1 0.9572 1.4264e-06 96 +Angle: 1 104.52 6.48393e-05 48 + 300 -17.502844 -20.993704 3.49086 188.23268 -1.8457229 284.27861 +SHAKE stats (type/ave/delta/count) on step 400 +Bond: 1 0.9572 1.33728e-06 96 +Angle: 1 104.52 7.6239e-05 48 + 400 -17.495287 -20.828353 3.3330658 188.48002 -1.8429075 271.42862 +SHAKE stats (type/ave/delta/count) on step 500 +Bond: 1 0.9572 1.14685e-06 96 +Angle: 1 104.52 8.58621e-05 48 + 500 -17.491436 -20.443044 2.9516084 188.7589 -1.8566335 240.36459 +SHAKE stats (type/ave/delta/count) on step 600 +Bond: 1 0.9572 9.17601e-07 96 +Angle: 1 104.52 8.24516e-05 48 + 600 -17.505684 -20.608457 3.1027731 188.72078 -1.9560796 252.67471 +SHAKE stats (type/ave/delta/count) on step 700 +Bond: 1 0.9572 9.50422e-07 96 +Angle: 1 104.52 5.62423e-05 48 + 700 -17.496701 -21.07266 3.5759595 188.2777 -1.9833956 291.20871 +SHAKE stats (type/ave/delta/count) on step 800 +Bond: 1 0.9572 1.15262e-06 96 +Angle: 1 104.52 7.02158e-05 48 + 800 -17.478623 -20.819504 3.340881 188.37868 -1.9112996 272.06506 +SHAKE stats (type/ave/delta/count) on step 900 +Bond: 1 0.9572 9.14138e-07 96 +Angle: 1 104.52 6.98742e-05 48 + 900 -17.480864 -20.728498 3.2476343 188.59022 -1.8922102 264.4715 +SHAKE stats (type/ave/delta/count) on step 1000 +Bond: 1 0.9572 1.00586e-06 96 +Angle: 1 104.52 0.000111711 48 + 1000 -17.498466 -20.331547 2.8330808 188.87473 -1.8121768 230.71228 +Loop time of 8.11929 on 1 procs for 1000 steps with 936 atoms + +Performance: 10.641 ns/day, 2.255 hours/ns, 123.163 timesteps/s +99.7% CPU use with 1 MPI tasks x 1 OpenMP threads + +MPI task timing breakdown: +Section | min time | avg time | max time |%varavg| %total +--------------------------------------------------------------- +Pair | 4.6849 | 4.6849 | 4.6849 | 0.0 | 57.70 +Bond | 0.00017678 | 0.00017678 | 0.00017678 | 0.0 | 0.00 +Kspace | 3.2098 | 3.2098 | 3.2098 | 0.0 | 39.53 +Neigh | 0.17546 | 0.17546 | 0.17546 | 0.0 | 2.16 +Comm | 0.024693 | 0.024693 | 0.024693 | 0.0 | 0.30 +Output | 0.00037798 | 0.00037798 | 0.00037798 | 0.0 | 0.00 +Modify | 0.015853 | 0.015853 | 0.015853 | 0.0 | 0.20 +Other | | 0.007983 | | | 0.10 + +Nlocal: 936 ave 936 max 936 min +Histogram: 1 0 0 0 0 0 0 0 0 0 +Nghost: 5242 ave 5242 max 5242 min +Histogram: 1 0 0 0 0 0 0 0 0 0 +Neighs: 0 ave 0 max 0 min +Histogram: 1 0 0 0 0 0 0 0 0 0 +FullNghs: 431382 ave 431382 max 431382 min +Histogram: 1 0 0 0 0 0 0 0 0 0 + +Total # of neighbors = 431382 +Ave neighs/atom = 460.87821 +Ave special neighs/atom = 0.30769231 +Neighbor list builds = 28 +Dangerous builds = 0 +Total wall time: 0:00:08 diff --git a/examples/PACKAGES/interlayer/aip_water_2dm/log.18May23.gr_water.opt.g++.4 b/examples/PACKAGES/interlayer/aip_water_2dm/log.18May23.gr_water.opt.g++.4 new file mode 100644 index 0000000000..f885c5708d --- /dev/null +++ b/examples/PACKAGES/interlayer/aip_water_2dm/log.18May23.gr_water.opt.g++.4 @@ -0,0 +1,256 @@ +LAMMPS (23 Jun 2022 - Update 4) +OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (../comm.cpp:98) + using 1 OpenMP thread(s) per MPI task +# Initialization +units metal +boundary p p p +atom_style full +processors * * 1 # domain decomposition over x and y +read_data ./gra_water.data +Reading data file ... + orthogonal box = (0 0 0) to (46.92336 44.331078 200) + 2 by 2 by 1 MPI processor grid + reading atoms ... + 936 atoms + reading velocities ... + 936 velocities + scanning bonds ... + 2 = max bonds/atom + scanning angles ... + 1 = max angles/atom + reading bonds ... + 96 bonds + reading angles ... + 48 angles +Finding 1-2 1-3 1-4 neighbors ... + special bond factors lj: 0 0 0 + special bond factors coul: 0 0 0 + 2 = max # of 1-2 neighbors + 1 = max # of 1-3 neighbors + 1 = max # of 1-4 neighbors + 2 = max # of special neighbors + special bonds CPU = 0.001 seconds + read_data CPU = 0.014 seconds +mass 1 12.0107 # carbon mass (g/mole) +mass 2 15.9994 # oxygen mass (g/mole) +mass 3 1.008 # hydrogen mass (g/mole) +# Separate atom groups +group gr molecule 1 +792 atoms in group gr +group water molecule 2 +144 atoms in group water +######################## Potential defition ############################## +# Interlayer potential +pair_style hybrid/overlay aip/water/2dm/opt 16.0 lj/cut/tip4p/long 2 3 1 1 0.1546 10 8.5 +#################################################################### +pair_coeff 1 1 none +pair_coeff 2 2 lj/cut/tip4p/long 8.0313e-3 3.1589 # O-O +pair_coeff 2 3 lj/cut/tip4p/long 0.0 0.0 # O-H +pair_coeff 3 3 lj/cut/tip4p/long 0.0 0.0 # H-H +pair_coeff * * aip/water/2dm/opt COH.aip.water.2dm C Ow Hw # C-H2O +Reading aip/water/2dm potential file COH.aip.water.2dm with DATE: 2022-12-02 +# bond and angle +bond_style harmonic +bond_coeff 1 0.0 0.9572 +angle_style harmonic +angle_coeff 1 0.0 104.52 +# define kspace calculation +kspace_style pppm/tip4p 1E-5 +# Neighbor update settings +neighbor 2.0 bin +neigh_modify every 1 delay 5 check yes page 1000000 one 100000 +#################################################################### +# Calculate pair energy +compute 1 all pair lj/cut/tip4p/long +compute 2 all pair aip/water/2dm/opt +compute wt water temp +variable TIP4P equal c_1 +variable EILP equal c_2 # total interlayer energy +variable temp_wt equal c_wt +############# Output ############## +thermo_style custom step etotal pe ke v_TIP4P v_EILP v_temp_wt +thermo 100 +thermo_modify lost error + +fix subf gr setforce 0.0 0.0 0.0 +fix 1 water shake 0.0001 20 100 b 1 a 1 + 0 = # of size 2 clusters + 0 = # of size 3 clusters + 0 = # of size 4 clusters + 48 = # of frozen angles + find clusters CPU = 0.000 seconds + +timestep 1e-3 +velocity water create 300.0 12345 dist gaussian mom yes rot yes +fix 2 water nve +run 1000 + +CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE + +Your simulation uses code contributions which should be cited: + +- ilp/graphene/hbn potential doi:10.1021/acs.nanolett.8b02848 +@Article{Ouyang2018 + author = {W. Ouyang and D. Mandelli and M. Urbakh and O. Hod}, + title = {Nanoserpents: Graphene Nanoribbon Motion on Two-Dimensional Hexagonal Materials}, + journal = {Nano Letters}, + volume = 18, + pages = 6009, + year = 2018, +} + +- ilp/tmd potential doi:10.1021/acs.jctc.1c00782 +@Article{Ouyang2021 + author = {W. Ouyang and R. Sofer and X. Gao and J. Hermann and + A. Tkatchenko and L. Kronik and M. Urbakh and O. Hod}, + title = {Anisotropic Interlayer Force Field for Transition + Metal Dichalcogenides: The Case of Molybdenum Disulfide}, + journal = {J.~Chem.\ Theory Comput.}, + volume = 17, + pages = {7237--7245} + year = 2021, +} + +- ilp/water/2dm potential doi/10.1021/acs.jpcc.2c08464 +@Article{Feng2023 + author = {Z. Feng, Y. Yao, J. Liu, B. Wu, Z. Liu, and W. Ouyang}, + title = {Registry-Dependent Potential for Interfaces of Water with Graphene}, + journal = {J. Phys. Chem. C}, + volume = 127, + pages = {8704-8713} + year = 2023, +} + +- ilp/graphene/hbn/opt potential doi:10.1145/3458817.3476137 +@inproceedings{gao2021lmff + author = {Gao, Ping and Duan, Xiaohui and Others}, + title = {LMFF: Efficient and Scalable Layered Materials Force Field on Heterogeneous Many-Core Processors}, + year = {2021}, + isbn = {9781450384421}, + publisher = {Association for Computing Machinery}, + address = {New York, NY, USA}, + url = {https://doi.org/10.1145/3458817.3476137}, + doi = {10.1145/3458817.3476137}, + booktitle = {Proceedings of the International Conference for High Performance Computing, Networking, Storage and Analysis}, + articleno = {42}, + numpages = {14}, + location = {St. Louis, Missouri}, + series = {SC'21}, +} + +CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE + +PPPM initialization ... + extracting TIP4P info from pair style + using 12-bit tables for long-range coulomb (../kspace.cpp:342) + G vector (1/distance) = 0.28684806 + grid = 25 24 80 + stencil order = 5 + estimated absolute RMS force accuracy = 0.0001640931 + estimated relative force accuracy = 1.1395635e-05 + using single precision MKL FFT + 3d grid and FFT values/proc = 30685 12480 +WARNING: Using a manybody potential with bonds/angles/dihedrals and special_bond exclusions (../pair.cpp:239) +WARNING: Communication cutoff 0 is shorter than a bond length based estimate of 3.4358. This may lead to errors. (../comm.cpp:727) +WARNING: Increasing communication cutoff to 11.6118 for TIP4P pair style (../pair_lj_cut_tip4p_long.cpp:484) +Neighbor list info ... + update every 1 steps, delay 5 steps, check yes + max neighbors/atom: 100000, page size: 1000000 + master list distance cutoff = 18 + ghost atom cutoff = 18 + binsize = 9, bins = 6 5 23 + 3 neighbor lists, perpetual/occasional/extra = 3 0 0 + (1) pair aip/water/2dm/opt, perpetual + attributes: full, newton on + pair build: full/bin + stencil: full/bin/3d + bin: standard + (2) pair lj/cut/tip4p/long, perpetual, skip from (3) + attributes: half, newton on + pair build: skip + stencil: none + bin: none + (3) neighbor class addition, perpetual, half/full from (1) + attributes: half, newton on + pair build: halffull/newton + stencil: none + bin: none +WARNING: Communication cutoff adjusted to 18 (../comm.cpp:736) +SHAKE stats (type/ave/delta/count) on step 0 +Bond: 1 0.957201 2.19705e-06 96 +Angle: 1 104.52 0.000203056 48 +Per MPI rank memory allocation (min/avg/max) = 21.4 | 21.44 | 21.48 Mbytes + Step TotEng PotEng KinEng v_TIP4P v_EILP v_temp_wt + 0 -16.131263 -19.815178 3.6839141 189.37246 -1.903543 300 +SHAKE stats (type/ave/delta/count) on step 100 +Bond: 1 0.9572 9.54949e-07 96 +Angle: 1 104.52 6.01522e-05 48 + 100 -17.494869 -20.796995 3.3021253 188.4955 -1.8981262 268.90898 +SHAKE stats (type/ave/delta/count) on step 200 +Bond: 1 0.9572 9.63922e-07 96 +Angle: 1 104.52 7.7021e-05 48 + 200 -17.48627 -21.194892 3.7086213 188.14561 -1.9871708 302.01203 +SHAKE stats (type/ave/delta/count) on step 300 +Bond: 1 0.9572 1.4264e-06 96 +Angle: 1 104.52 6.48393e-05 48 + 300 -17.502843 -20.993703 3.4908599 188.23268 -1.8457229 284.27861 +SHAKE stats (type/ave/delta/count) on step 400 +Bond: 1 0.9572 1.33728e-06 96 +Angle: 1 104.52 7.6239e-05 48 + 400 -17.495285 -20.82835 3.333065 188.48003 -1.8429074 271.42856 +SHAKE stats (type/ave/delta/count) on step 500 +Bond: 1 0.9572 1.14685e-06 96 +Angle: 1 104.52 8.58621e-05 48 + 500 -17.491436 -20.443043 2.9516075 188.7589 -1.8566335 240.36452 +SHAKE stats (type/ave/delta/count) on step 600 +Bond: 1 0.9572 9.17601e-07 96 +Angle: 1 104.52 8.24517e-05 48 + 600 -17.505682 -20.608456 3.1027734 188.72078 -1.9560795 252.67474 +SHAKE stats (type/ave/delta/count) on step 700 +Bond: 1 0.9572 9.50425e-07 96 +Angle: 1 104.52 5.62423e-05 48 + 700 -17.496706 -21.072664 3.575958 188.2777 -1.9833951 291.20858 +SHAKE stats (type/ave/delta/count) on step 800 +Bond: 1 0.9572 1.15256e-06 96 +Angle: 1 104.52 7.02177e-05 48 + 800 -17.478628 -20.819507 3.340879 188.37868 -1.9113009 272.0649 +SHAKE stats (type/ave/delta/count) on step 900 +Bond: 1 0.9572 9.14163e-07 96 +Angle: 1 104.52 6.98849e-05 48 + 900 -17.480868 -20.728506 3.2476383 188.5902 -1.8922108 264.47182 +SHAKE stats (type/ave/delta/count) on step 1000 +Bond: 1 0.9572 1.00568e-06 96 +Angle: 1 104.52 0.000111707 48 + 1000 -17.498472 -20.331605 2.8331335 188.87466 -1.8121689 230.71657 +Loop time of 4.24862 on 4 procs for 1000 steps with 936 atoms + +Performance: 20.336 ns/day, 1.180 hours/ns, 235.370 timesteps/s +99.6% CPU use with 4 MPI tasks x 1 OpenMP threads + +MPI task timing breakdown: +Section | min time | avg time | max time |%varavg| %total +--------------------------------------------------------------- +Pair | 0.25749 | 1.1806 | 2.6872 | 89.0 | 27.79 +Bond | 0.00018656 | 0.00020786 | 0.00025377 | 0.0 | 0.00 +Kspace | 1.4259 | 2.9204 | 3.8414 | 56.3 | 68.74 +Neigh | 0.057504 | 0.057852 | 0.05818 | 0.1 | 1.36 +Comm | 0.041952 | 0.053593 | 0.05876 | 3.0 | 1.26 +Output | 0.0004296 | 0.00046809 | 0.00055317 | 0.0 | 0.01 +Modify | 0.026204 | 0.027251 | 0.028382 | 0.6 | 0.64 +Other | | 0.008209 | | | 0.19 + +Nlocal: 234 ave 302 max 198 min +Histogram: 2 0 0 1 0 0 0 0 0 1 +Nghost: 2876.5 ave 3122 max 2632 min +Histogram: 1 0 1 0 0 0 0 1 0 1 +Neighs: 0 ave 0 max 0 min +Histogram: 4 0 0 0 0 0 0 0 0 0 +FullNghs: 107846 ave 150684 max 82181 min +Histogram: 2 0 0 0 1 0 0 0 0 1 + +Total # of neighbors = 431382 +Ave neighs/atom = 460.87821 +Ave special neighs/atom = 0.30769231 +Neighbor list builds = 28 +Dangerous builds = 0 +Total wall time: 0:00:04 diff --git a/examples/PACKAGES/pimd/lj/data.metalnpt01 b/examples/PACKAGES/pimd/lj/data.metalnpt01 new file mode 100644 index 0000000000..3dc2944ed9 --- /dev/null +++ b/examples/PACKAGES/pimd/lj/data.metalnpt01 @@ -0,0 +1,422 @@ +LAMMPS data file via write_data, version 8 Feb 2023, timestep = 100000 + +200 atoms +1 atom types + +-11.876696863105703 11.876696863105703 xlo xhi +-11.876696863105703 11.876696863105703 ylo yhi +-11.876696863105703 11.876696863105703 zlo zhi + +Masses + +1 39.948 + +Pair Coeffs # lj/cut + +1 0.00965188 3.4 + +Atoms # atomic + +39 1 -10.338208372875723 -8.724519590498623 -8.445612139491281 0 -1 1 +82 1 -7.5133824622188925 -6.978636164411631 -10.191775661279799 0 0 0 +57 1 -6.093878587859262 -9.276313581141936 -7.744358551066254 1 0 0 +8 1 -7.188384493977925 -11.000743174865285 -10.566868392413127 0 1 1 +49 1 -0.45896030511450936 -8.721648062141405 -7.76988436909876 0 1 0 +54 1 4.36019737005205 -9.840722628422576 -9.652200105153977 0 -1 1 +114 1 3.904944042667676 -8.560258519206736 -6.227256449483399 -1 0 1 +128 1 1.537670815459421 11.367557646509137 -7.44113189883349 0 0 -2 +102 1 2.6467980910798623 -6.300231690446356 -10.839747469959917 1 -1 -1 +157 1 6.599214138053117 -6.278630725537236 -7.389049268829837 -1 0 1 +20 1 8.160418209241914 -11.236890922228888 -9.90427297873004 0 1 0 +147 1 10.464052914243185 -5.834517788008704 -9.403782126876184 -1 2 0 +169 1 9.355540563360105 -8.982132042608429 -6.861385656669775 0 1 1 +123 1 -6.908328795781873 -3.2942152122483694 -10.871702946953768 -1 0 -1 +130 1 -6.59789640513614 -2.559000332768779 -7.109058819418416 -1 1 0 +140 1 -9.12121182032633 -1.3228381271313019 -9.248705124201138 -1 1 0 +153 1 -4.57209419001429 -5.197951679459013 -8.806559015841044 0 1 0 +129 1 -0.17714454435176596 -5.056145756511569 -8.582370909018262 0 1 1 +148 1 -3.197585507102101 -2.0540921199407465 -9.77932871778502 0 0 0 +119 1 -3.51954842440485 -3.8478081846346726 10.678236929073831 0 -1 -1 +174 1 3.1384595215939513 -1.9078182147633918 -10.748237231758047 -1 1 -1 +134 1 -0.0032185119392025285 -0.36841629060197645 -8.631895429784365 -1 0 2 +189 1 2.892780086534627 -1.3587472579142499 -6.410113256095116 0 0 2 +28 1 6.224912481821424 -1.100900418829165 -9.316948573538184 0 0 -1 +1 1 7.533342646866252 -2.8858379557892953 -6.5588822497649195 1 -1 0 +24 1 10.891564390761006 -2.1693511431878143 -8.14872153065027 0 -1 1 +176 1 10.35065200687287 -3.6683271215630047 -4.32699396695263 0 0 0 +182 1 -10.764131367809398 0.5730937842904389 -5.180063181396292 0 1 -1 +137 1 -8.194528746006949 3.76661130396705 -8.596433076900993 -1 1 0 +89 1 -5.793296966734716 0.9591211322466908 -8.532912969707475 0 0 -1 +88 1 -3.2415549382910047 2.6063473128515433 -11.019658141847422 0 1 -1 +160 1 -0.17978720428819353 5.335367005111222 -5.961111228150678 0 0 1 +125 1 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-1.0031472261072583 +192 -6.036717500669019 -0.4626110813075395 -5.283002697165421 +113 -1.9312339562598033 1.2868323831429733 -0.27836767602350954 +74 0.289298974376203 4.639184114550362 -1.3074893268836063 +118 2.3186362762712704 0.014757210175651903 -1.9096714905556824 +117 2.917320124569121 -0.927139463682407 -2.038093079844118 +23 3.445296199640721 -2.484450168397722 6.150025302403371 +171 -1.3488599922862394 -0.40015537573335275 5.541824987776105 +94 2.7016234671889183 -4.500360725821148 -0.3771036206116729 +41 0.040051409073174504 1.3144504850460685 -2.628956804481983 +141 0.8101589418958534 -0.40901282998394567 2.3777914588666906 +159 -2.168905163137191 -3.9077440516609387 3.1238186982134213 diff --git a/examples/PACKAGES/pimd/lj/in.lmp b/examples/PACKAGES/pimd/lj/in.lmp new file mode 100644 index 0000000000..9670225958 --- /dev/null +++ b/examples/PACKAGES/pimd/lj/in.lmp @@ -0,0 +1,28 @@ +variable ibead uloop 99 pad + +units metal +atom_style atomic +atom_modify map yes +boundary p p p +pair_style lj/cut 9.5251 +read_data data.metalnpt${ibead} + +pair_coeff * * 0.00965188 3.4 +pair_modify shift yes + +mass 1 39.948 + +timestep 0.001 + +velocity all create 0.0 ${ibead} + +fix 1 all pimd/langevin ensemble npt integrator obabo thermostat PILE_L 1234 tau 1.0 temp 113.15 iso 1.0 barostat BZP taup 1.0 fixcom no + +thermo_style custom step temp f_1[*] vol press +thermo 100 +thermo_modify norm no format line "%d %.16f %.16f %.16f %.16f %.16f %.16f %.16f %.16f %.16f %.16f %.16f %.16f %.16f %.16f %.16f %.16f %.16f %.16f %.16f %.16f %.16f %.16f %.16f" + +dump dcd all custom 100 ${ibead}.xyz id type xu yu zu vx vy vz ix iy iz fx fy fz +dump_modify dcd sort id format line "%d %d %.16f %.16f %.16f %.16f %.16f %.16f %d %d %d %.16f %.16f %.16f" + +run 1000 diff --git a/examples/PACKAGES/pimd/lj/run.sh b/examples/PACKAGES/pimd/lj/run.sh new file mode 100644 index 0000000000..2580ef1a41 --- /dev/null +++ b/examples/PACKAGES/pimd/lj/run.sh @@ -0,0 +1 @@ +mpirun -np 4 $LMP -in in.lmp -p 4x1 -log log -screen screen diff --git a/examples/PACKAGES/pimd/lj_reduced_units/data.lj01 b/examples/PACKAGES/pimd/lj_reduced_units/data.lj01 new file mode 100644 index 0000000000..e3d6b816a3 --- /dev/null +++ b/examples/PACKAGES/pimd/lj_reduced_units/data.lj01 @@ -0,0 +1,219 @@ +LAMMPS data file via write_data, version 8 Feb 2023, timestep = 2000 + +200 atoms +1 atom types + +-3.4945130603740377 3.4945130603740377 xlo xhi +-3.4945130603740377 3.4945130603740377 ylo yhi +-3.4945130603740377 3.4945130603740377 zlo zhi + +Masses + +1 1 + +Pair Coeffs # lj/cut + +1 1 1 + +Atoms # atomic + +108 1 -2.7795690566068996 -2.0367677788080942 3.4238258338844894 2 1 -1 +102 1 -2.609481280743025 -1.8912619121268304 -2.399753092988466 1 -1 -1 +141 1 -3.140749645549514 -2.8903241627869427 -2.7071762462261537 2 0 0 +49 1 -2.3658136681990007 -3.088812044820056 3.4760124445890623 0 1 -1 +88 1 -1.6158710173914035 -2.3369020600614756 3.233517474511907 0 1 -1 +192 1 -1.2960228223928079 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-2.903472142580087 1.2996380231419302 2.6614912616951822 0 1 0 +159 1 -1.8421866316781088 1.3742261871908503 2.7832166426856038 0 0 0 +161 1 -1.2319440636738626 0.9387211724622819 -3.4892930122068617 1 0 2 +33 1 -0.4449542140900899 0.2769280403688486 3.289217283277774 0 -1 -1 +191 1 -0.8687075277531521 1.281273999295463 2.3493691514045447 1 -1 0 +20 1 -0.12835229617409075 0.4001437971686418 2.091186274425671 1 0 -1 +21 1 1.5590447736292827 0.23116165627532026 2.4331182207698356 1 0 -1 +83 1 0.6019872094726322 0.17868421219256525 2.965010196172179 0 -2 0 +107 1 -0.09314344901480053 1.8386195873289717 2.9198165047206524 -1 1 0 +97 1 0.9500008570521725 1.1147256892756756 2.5445482565685626 0 -1 -1 +15 1 2.6866827472081427 0.05611542822496954 2.621280841687164 -1 0 -1 +40 1 2.0535009935702107 1.3482348414084473 2.153119101811638 0 0 0 +110 1 3.037377950690711 1.1454318013031137 2.4602998295324308 0 0 -2 +54 1 2.1368310833242825 0.6989281938007096 3.190545712320829 0 -1 -1 +71 1 -2.6906257490825327 2.3188264822083675 1.851572369390678 0 -1 -1 +45 1 -1.8822606439217724 2.5464355632785174 2.887157746831732 1 0 -1 +2 1 -1.527738763941238 2.1784215473644295 1.8498426738676617 1 -2 -1 +67 1 -1.014923597719753 2.0522310481028465 3.091487536680741 1 0 0 +192 1 -0.8672155474955553 3.087168735274927 2.6165250257240618 1 0 1 +124 1 -0.37769468839105996 2.5506571887551175 1.8053870882842125 1 -1 -1 +46 1 -0.2092884053324724 2.562694157698328 -3.2372195292692605 1 -1 -1 +114 1 -0.2001222858286487 -3.429888000295159 1.8301280696628333 0 0 0 +61 1 0.5140644440329998 2.208326878392573 2.2153556959139413 -1 -2 0 +169 1 1.5629071468921552 2.2983930760888316 2.2366483189031316 0 0 0 +128 1 -3.438885935852406 3.376929578988928 3.002455750479755 1 0 -2 +52 1 -3.4549495641597217 2.178628786705743 2.923210719991474 0 -1 0 +48 1 2.502392696348409 2.9340155922847346 2.5991521468190113 0 0 -1 diff --git a/examples/PACKAGES/pimd/lj_reduced_units/in.lmp b/examples/PACKAGES/pimd/lj_reduced_units/in.lmp new file mode 100644 index 0000000000..012214c4b2 --- /dev/null +++ b/examples/PACKAGES/pimd/lj_reduced_units/in.lmp @@ -0,0 +1,26 @@ +variable ibead uloop 32 pad + +units lj +atom_style atomic +atom_modify map yes +boundary p p p +pair_style lj/cut 2.8015 +read_data data.lj${ibead} + +pair_coeff * * 1.0 1.0 +pair_modify shift yes + +mass 1 1.0 + +timestep 0.00044905847 + +fix 1 all pimd/langevin ensemble nvt integrator obabo temp 1.00888 lj 0.00965188 3.4 39.948 4.135667403e-3 1.03646168908e-4 thermostat PILE_L ${ibead} + +thermo_style custom step temp f_1[*] vol press +thermo 100 +thermo_modify norm no format line "%d %.16f %.16f %.16f %.16f %.16f %.16f %.16f %.16f %.16f %.16f %.16f %.16f %.16f %.16f %.16f %.16f %.16f %.16f %.16f %.16f %.16f" + +dump dcd all custom 1 ${ibead}.xyz id type x y z vx vy vz ix iy iz fx fy fz +dump_modify dcd sort id format line "%d %d %.16f %.16f %.16f %.16f %.16f %.16f %d %d %d %.16f %.16f %.16f" + +run 1000 diff --git a/examples/PACKAGES/pimd/lj_reduced_units/run.sh b/examples/PACKAGES/pimd/lj_reduced_units/run.sh new file mode 100644 index 0000000000..adc7f4b955 --- /dev/null +++ b/examples/PACKAGES/pimd/lj_reduced_units/run.sh @@ -0,0 +1 @@ +mpirun -np 2 $LMP -in in.lmp -p 2x1 -log log -screen screen diff --git a/fortran/lammps.f90 b/fortran/lammps.f90 index cb7adfd34b..f511e6bb60 100644 --- a/fortran/lammps.f90 +++ b/fortran/lammps.f90 @@ -87,10 +87,15 @@ MODULE LIBLAMMPS INTEGER(c_int) :: scalar, vector, array END TYPE lammps_type + TYPE lammps_dtype + INTEGER(c_int) :: i32, i64, r64, str + END TYPE lammps_dtype + TYPE lammps TYPE(c_ptr) :: handle = c_null_ptr TYPE(lammps_style) :: style TYPE(lammps_type) :: type + TYPE(lammps_dtype) :: dtype CONTAINS PROCEDURE :: close => lmp_close PROCEDURE :: error => lmp_error @@ -100,6 +105,7 @@ MODULE LIBLAMMPS PROCEDURE :: commands_string => lmp_commands_string PROCEDURE :: get_natoms => lmp_get_natoms PROCEDURE :: get_thermo => lmp_get_thermo + PROCEDURE :: last_thermo => lmp_last_thermo PROCEDURE :: extract_box => lmp_extract_box PROCEDURE :: reset_box => lmp_reset_box PROCEDURE :: memory_usage => lmp_memory_usage @@ -243,7 +249,7 @@ MODULE LIBLAMMPS END TYPE lammps_data_baseclass ! Derived type for receiving LAMMPS data (in lieu of the ability to type cast - ! pointers). Used for extract_compute, extract_atom + ! pointers). Used for extract_compute, extract_atom, last_thermo TYPE, EXTENDS(lammps_data_baseclass) :: lammps_data INTEGER(c_int), POINTER :: i32 => NULL() INTEGER(c_int), DIMENSION(:), POINTER :: i32_vec => NULL() @@ -439,6 +445,15 @@ MODULE LIBLAMMPS TYPE(c_ptr), INTENT(IN), VALUE :: name END FUNCTION lammps_get_thermo + FUNCTION lammps_last_thermo(handle,what,index) BIND(C) + IMPORT :: c_ptr, c_int + IMPLICIT NONE + TYPE(c_ptr) :: lammps_last_thermo + TYPE(c_ptr), INTENT(IN), VALUE :: handle + TYPE(c_ptr), INTENT(IN), VALUE :: what + INTEGER(c_int), INTENT(IN), VALUE :: index + END FUNCTION lammps_last_thermo + SUBROUTINE lammps_extract_box(handle,boxlo,boxhi,xy,yz,xz,pflags, & boxflag) BIND(C) IMPORT :: c_ptr, c_double, c_int @@ -995,6 +1010,10 @@ CONTAINS lmp_open%type%scalar = LMP_TYPE_SCALAR lmp_open%type%vector = LMP_TYPE_VECTOR lmp_open%type%array = LMP_TYPE_ARRAY + lmp_open%dtype%i32 = LAMMPS_INT + lmp_open%dtype%i64 = LAMMPS_INT64 + lmp_open%dtype%r64 = LAMMPS_DOUBLE + lmp_open%dtype%str = LAMMPS_STRING ! Assign constants for bigint and tagint for use elsewhere SIZE_TAGINT = lmp_extract_setting(lmp_open, 'tagint') @@ -1103,6 +1122,65 @@ CONTAINS CALL lammps_free(Cname) END FUNCTION lmp_get_thermo + ! equivalent function to lammps_last_thermo + FUNCTION lmp_last_thermo(self,what,index) RESULT(thermo_data) + CLASS(lammps), INTENT(IN), TARGET :: self + CHARACTER(LEN=*), INTENT(IN) :: what + INTEGER(c_int) :: index + TYPE(lammps_data) :: thermo_data, type_data + INTEGER(c_int) :: datatype + TYPE(c_ptr) :: Cname, Cptr + + ! set data type for known cases + SELECT CASE (what) + CASE ('step') + IF (SIZE_BIGINT == 4_c_int) THEN + datatype = LAMMPS_INT + ELSE + datatype = LAMMPS_INT64 + END IF + CASE ('num') + datatype = LAMMPS_INT + CASE ('type') + datatype = LAMMPS_INT + CASE ('keyword') + datatype = LAMMPS_STRING + CASE ('data') + Cname = f2c_string('type') + Cptr = lammps_last_thermo(self%handle,Cname,index-1) + type_data%lammps_instance => self + type_data%datatype = DATA_INT + CALL C_F_POINTER(Cptr, type_data%i32) + datatype = type_data%i32 + CALL lammps_free(Cname) + CASE DEFAULT + datatype = -1 + END SELECT + + Cname = f2c_string(what) + Cptr = lammps_last_thermo(self%handle,Cname,index-1) + CALL lammps_free(Cname) + + thermo_data%lammps_instance => self + SELECT CASE (datatype) + CASE (LAMMPS_INT) + thermo_data%datatype = DATA_INT + CALL C_F_POINTER(Cptr, thermo_data%i32) + CASE (LAMMPS_INT64) + thermo_data%datatype = DATA_INT64 + CALL C_F_POINTER(Cptr, thermo_data%i64) + CASE (LAMMPS_DOUBLE) + thermo_data%datatype = DATA_DOUBLE + CALL C_F_POINTER(Cptr, thermo_data%r64) + CASE (LAMMPS_STRING) + thermo_data%datatype = DATA_STRING + thermo_data%str = c2f_string(Cptr) + CASE DEFAULT + CALL lmp_error(self, LMP_ERROR_ALL + LMP_ERROR_WORLD, & + 'Unknown pointer type in last_thermo') + END SELECT + END FUNCTION lmp_last_thermo + ! equivalent subroutine to lammps_extract_box SUBROUTINE lmp_extract_box(self, boxlo, boxhi, xy, yz, xz, pflags, boxflag) CLASS(lammps), INTENT(IN) :: self diff --git a/potentials/COH.DMC.aip.water.2dm b/potentials/COH.DMC.aip.water.2dm new file mode 100644 index 0000000000..f3619dd3f1 --- /dev/null +++ b/potentials/COH.DMC.aip.water.2dm @@ -0,0 +1,28 @@ +# DATE: 2022-12-02 UNITS: metal CONTRIBUTOR: Wengen Ouyang w.g.ouyang@gmail.com CITATION: Z. Feng, ..., and W. Ouyang, J. Phys. Chem. C 127, 8704 (2023). +# Anisotropic Interfacial Potential (AIP) parameters for water/graphene heterojunctions +# The parameters below are fitted against the DMC reference data that rescaled from PBE+MBD-NL. +# +# ----------------- Repulsion Potential ------------------++++++++++++++ Vdw Potential ++++++++++++++++************ +# beta(A) alpha delta(A) epsilon(meV) C(meV) d sR reff(A) C6(meV*A^6) S rcut +# For graphene and hydrocarbons +C C 3.205843 7.511126 1.235334 1.528338E-5 37.530428 15.499947 0.7954443 3.681440 25.714535E3 1.0 2.0 +H H 3.974540 6.53799 1.080633 0.6700556 0.8333833 15.022371 0.7490632 2.767223 1.6159581E3 1.0 1.2 +C H 2.642950 12.91410 1.020257 0.9750012 25.340996 15.222927 0.8115998 3.887324 5.6874617E3 1.0 1.5 +H C 2.642950 12.91410 1.020257 0.9750012 25.340996 15.222927 0.8115998 3.887324 5.6874617E3 1.0 1.5 + +# For water-graphene +C Ow 4.03686677 15.09817069 1.00000323 1.03838111 0.16372013 9.00010553 1.12057182 2.96484087 21887.14173222 1.0 2.0 +C Hw 3.08246994 6.412090180 1.00000265 2.89390420 -1.85748759 9.00009101 1.04574423 2.21642099 4652.78021666 1.0 2.0 +Ow C 4.03686677 15.09817069 1.00000323 1.03838111 0.16372013 9.00010553 1.12057182 2.96484087 21887.14173222 1.0 1.2 +Hw C 3.08246994 6.412090180 1.00000265 2.89390420 -1.85748759 9.00009101 1.04574423 2.21642099 4652.78021666 1.0 1.2 + +# # The ILPs for other systems are set to zero +H Ow 5.45369612 6.18172364 1.25025450 0.00000000 0.00000000 9.05706482 1.23249498 2.77577173 0.00000000 1.0 1.2 +H Hw 5.45369612 6.18172364 1.25025450 0.00000000 0.00000000 9.05706482 1.23249498 2.77577173 0.00000000 1.0 1.2 +Ow H 5.45369612 6.18172364 1.25025450 0.00000000 0.00000000 9.05706482 1.23249498 2.77577173 0.00000000 1.0 1.2 +Hw H 5.45369612 6.18172364 1.25025450 0.00000000 0.00000000 9.05706482 1.23249498 2.77577173 0.00000000 1.0 1.2 + +Ow Ow 5.45369612 6.18172364 1.25025450 0.00000000 0.00000000 9.05706482 1.23249498 2.77577173 0.00000000 1.0 1.2 +Hw Hw 5.45369612 6.18172364 1.25025450 0.00000000 0.00000000 9.05706482 1.23249498 2.77577173 0.00000000 1.0 1.2 +Ow Hw 5.45369612 6.18172364 1.25025450 0.00000000 0.00000000 9.05706482 1.23249498 2.77577173 0.00000000 1.0 1.2 +Hw Ow 5.45369612 6.18172364 1.25025450 0.00000000 0.00000000 9.05706482 1.23249498 2.77577173 0.00000000 1.0 1.2 diff --git a/potentials/COH.aip.water.2dm b/potentials/COH.aip.water.2dm new file mode 100644 index 0000000000..5325399abe --- /dev/null +++ b/potentials/COH.aip.water.2dm @@ -0,0 +1,28 @@ +# DATE: 2022-12-02 UNITS: metal CONTRIBUTOR: Wengen Ouyang w.g.ouyang@gmail.com CITATION: Z. Feng, ..., and W. Ouyang, J. Phys. Chem. C 127, 8704 (2023). +# Anisotropic Interfacial Potential (AIP) parameters for water/graphene heterojunctions +# The parameters below are fitted against the PBE + MBD-NL DFT reference data from 2.5 A to 15 A. +# +# ----------------- Repulsion Potential ------------------++++++++++++++ Vdw Potential ++++++++++++++++************ +# beta(A) alpha delta(A) epsilon(meV) C(meV) d sR reff(A) C6(meV*A^6) S rcut +# For graphene and hydrocarbons +C C 3.205843 7.511126 1.235334 1.528338E-5 37.530428 15.499947 0.7954443 3.681440 25.714535E3 1.0 2.0 +H H 3.974540 6.53799 1.080633 0.6700556 0.8333833 15.022371 0.7490632 2.767223 1.6159581E3 1.0 1.2 +C H 2.642950 12.91410 1.020257 0.9750012 25.340996 15.222927 0.8115998 3.887324 5.6874617E3 1.0 1.5 +H C 2.642950 12.91410 1.020257 0.9750012 25.340996 15.222927 0.8115998 3.887324 5.6874617E3 1.0 1.5 + +# For water-graphene +C Ow 5.45369612 6.18172364 1.25025450 3.34909245 0.68780636 9.05706482 1.23249498 2.77577173 100226.55503127 1.0 2.0 +C Hw 2.55380862 9.68664390 1.96489198 41.77617053 -16.30012807 9.01568534 0.74415463 2.41545571 7409.12856378 1.0 2.0 +Ow C 5.45369612 6.18172364 1.25025450 3.34909245 0.68780636 9.05706482 1.23249498 2.77577173 100226.55503127 1.0 1.2 +Hw C 2.55380862 9.68664390 1.96489198 41.77617053 -16.30012807 9.01568534 0.74415463 2.41545571 7409.12856378 1.0 1.2 + +# # The ILPs for other systems are set to zero +H Ow 5.45369612 6.18172364 1.25025450 0.00000000 0.00000000 9.05706482 1.23249498 2.77577173 0.00000000 1.0 1.2 +H Hw 5.45369612 6.18172364 1.25025450 0.00000000 0.00000000 9.05706482 1.23249498 2.77577173 0.00000000 1.0 1.2 +Ow H 5.45369612 6.18172364 1.25025450 0.00000000 0.00000000 9.05706482 1.23249498 2.77577173 0.00000000 1.0 1.2 +Hw H 5.45369612 6.18172364 1.25025450 0.00000000 0.00000000 9.05706482 1.23249498 2.77577173 0.00000000 1.0 1.2 + +Ow Ow 5.45369612 6.18172364 1.25025450 0.00000000 0.00000000 9.05706482 1.23249498 2.77577173 0.00000000 1.0 1.2 +Hw Hw 5.45369612 6.18172364 1.25025450 0.00000000 0.00000000 9.05706482 1.23249498 2.77577173 0.00000000 1.0 1.2 +Ow Hw 5.45369612 6.18172364 1.25025450 0.00000000 0.00000000 9.05706482 1.23249498 2.77577173 0.00000000 1.0 1.2 +Hw Ow 5.45369612 6.18172364 1.25025450 0.00000000 0.00000000 9.05706482 1.23249498 2.77577173 0.00000000 1.0 1.2 diff --git a/python/lammps/core.py b/python/lammps/core.py index 80961186f3..d34d5de4d4 100644 --- a/python/lammps/core.py +++ b/python/lammps/core.py @@ -272,6 +272,9 @@ class lammps(object): self.lib.lammps_get_thermo.argtypes = [c_void_p, c_char_p] self.lib.lammps_get_thermo.restype = c_double + self.lib.lammps_last_thermo.argtypes = [c_void_p, c_char_p, c_int] + self.lib.lammps_last_thermo.restype = c_void_p + self.lib.lammps_encode_image_flags.restype = self.c_imageint self.lib.lammps_config_has_package.argtypes = [c_char_p] @@ -503,9 +506,9 @@ class lammps(object): def error(self, error_type, error_text): """Forward error to the LAMMPS Error class. - This is a wrapper around the :cpp:func:`lammps_error` function of the C-library interface. + .. versionadded:: 3Nov2022 - .. versionadded:: TBD + This is a wrapper around the :cpp:func:`lammps_error` function of the C-library interface. :param error_type: :type error_type: int @@ -744,6 +747,56 @@ class lammps(object): # ------------------------------------------------------------------------- + def last_thermo(self): + """Get a dictionary of the last thermodynamic output + + This is a wrapper around the :cpp:func:`lammps_last_thermo` + function of the C-library interface. It collects the cached thermo + data from the last timestep into a dictionary. The return value + is None, if there has not been any thermo output yet. + + :return: value of thermo keyword + :rtype: dict or None + """ + + rv = dict() + with ExceptionCheck(self): + ptr = self.lib.lammps_last_thermo(self.lmp, c_char_p("step".encode()), 0) + mystep = cast(ptr, POINTER(self.c_bigint)).contents.value + if mystep < 0: + return None + + with ExceptionCheck(self): + ptr = self.lib.lammps_last_thermo(self.lmp, c_char_p("num".encode()), 0) + nfield = cast(ptr, POINTER(c_int)).contents.value + + for i in range(nfield): + with ExceptionCheck(self): + ptr = self.lib.lammps_last_thermo(self.lmp, c_char_p("keyword".encode()), i) + kw = cast(ptr, c_char_p).value.decode() + + with ExceptionCheck(self): + ptr = self.lib.lammps_last_thermo(self.lmp, c_char_p("type".encode()), i) + typ = cast(ptr, POINTER(c_int)).contents.value + + with ExceptionCheck(self): + ptr = self.lib.lammps_last_thermo(self.lmp, c_char_p("data".encode()), i) + + if typ == LAMMPS_DOUBLE: + val = cast(ptr, POINTER(c_double)).contents.value + elif typ == LAMMPS_INT: + val = cast(ptr, POINTER(c_int)).contents.value + elif typ == LAMMPS_INT64: + val = cast(ptr, POINTER(c_int64)).contents.value + else: + # we should not get here + raise TypeError("Unknown LAMMPS data type " + str(typ)) + rv[kw] = val + + return rv + + # ------------------------------------------------------------------------- + def extract_setting(self, name): """Query LAMMPS about global settings that can be expressed as an integer. @@ -1289,6 +1342,8 @@ class lammps(object): def gather_bonds(self): """Retrieve global list of bonds + .. versionadded:: 28Jul2021 + This is a wrapper around the :cpp:func:`lammps_gather_bonds` function of the C-library interface. @@ -1296,8 +1351,6 @@ class lammps(object): flat list of ctypes integer values with the bond type, bond atom1, bond atom2 for each bond. - .. versionadded:: 28Jul2021 - :return: a tuple with the number of bonds and a list of c_int or c_long :rtype: (int, 3*nbonds*c_tagint) """ @@ -1312,6 +1365,8 @@ class lammps(object): def gather_angles(self): """Retrieve global list of angles + .. versionadded:: 8Feb2023 + This is a wrapper around the :cpp:func:`lammps_gather_angles` function of the C-library interface. @@ -1319,8 +1374,6 @@ class lammps(object): flat list of ctypes integer values with the angle type, angle atom1, angle atom2, angle atom3 for each angle. - .. versionadded:: TBD - :return: a tuple with the number of angles and a list of c_int or c_long :rtype: (int, 4*nangles*c_tagint) """ @@ -1335,6 +1388,8 @@ class lammps(object): def gather_dihedrals(self): """Retrieve global list of dihedrals + .. versionadded:: 8Feb2023 + This is a wrapper around the :cpp:func:`lammps_gather_dihedrals` function of the C-library interface. @@ -1342,8 +1397,6 @@ class lammps(object): flat list of ctypes integer values with the dihedral type, dihedral atom1, dihedral atom2, dihedral atom3, dihedral atom4 for each dihedral. - .. versionadded:: TBD - :return: a tuple with the number of dihedrals and a list of c_int or c_long :rtype: (int, 5*ndihedrals*c_tagint) """ @@ -1358,6 +1411,8 @@ class lammps(object): def gather_impropers(self): """Retrieve global list of impropers + .. versionadded:: 8Feb2023 + This is a wrapper around the :cpp:func:`lammps_gather_impropers` function of the C-library interface. @@ -1365,8 +1420,6 @@ class lammps(object): flat list of ctypes integer values with the improper type, improper atom1, improper atom2, improper atom3, improper atom4 for each improper. - .. versionadded:: TBD - :return: a tuple with the number of impropers and a list of c_int or c_long :rtype: (int, 5*nimpropers*c_tagint) """ @@ -1605,13 +1658,13 @@ class lammps(object): def is_running(self): """ Report whether being called from a function during a run or a minimization + .. versionadded:: 9Oct2020 + Various LAMMPS commands must not be called during an ongoing run or minimization. This property allows to check for that. This is a wrapper around the :cpp:func:`lammps_is_running` function of the library interface. - .. versionadded:: 9Oct2020 - :return: True when called during a run otherwise false :rtype: bool """ @@ -1622,12 +1675,13 @@ class lammps(object): def force_timeout(self): """ Trigger an immediate timeout, i.e. a "soft stop" of a run. + .. versionadded:: 9Oct2020 + This function allows to cleanly stop an ongoing run or minimization at the next loop iteration. This is a wrapper around the :cpp:func:`lammps_force_timeout` function of the library interface. - .. versionadded:: 9Oct2020 """ self.lib.lammps_force_timeout(self.lmp) @@ -1710,11 +1764,11 @@ class lammps(object): def has_package(self, name): """ Report if the named package has been enabled in the LAMMPS shared library. + .. versionadded:: 3Nov2022 + This is a wrapper around the :cpp:func:`lammps_config_has_package` function of the library interface. - .. versionadded:: TBD - :param name: name of the package :type name: string @@ -1854,11 +1908,11 @@ class lammps(object): def has_id(self, category, name): """Returns whether a given ID name is available in a given category + .. versionadded:: 9Oct2020 + This is a wrapper around the function :cpp:func:`lammps_has_id` of the library interface. - .. versionadded:: 9Oct2020 - :param category: name of category :type category: string :param name: name of the ID @@ -1874,11 +1928,11 @@ class lammps(object): def available_ids(self, category): """Returns a list of IDs available for a given category + .. versionadded:: 9Oct2020 + This is a wrapper around the functions :cpp:func:`lammps_id_count()` and :cpp:func:`lammps_id_name()` of the library interface. - .. versionadded:: 9Oct2020 - :param category: name of category :type category: string @@ -1901,11 +1955,11 @@ class lammps(object): def available_plugins(self, category): """Returns a list of plugins available for a given category + .. versionadded:: 10Mar2021 + This is a wrapper around the functions :cpp:func:`lammps_plugin_count()` and :cpp:func:`lammps_plugin_name()` of the library interface. - .. versionadded:: 10Mar2021 - :return: list of style/name pairs of loaded plugins :rtype: list """ @@ -1970,11 +2024,11 @@ class lammps(object): def fix_external_get_force(self, fix_id): """Get access to the array with per-atom forces of a fix external instance with a given fix ID. + .. versionadded:: 28Jul2021 + This is a wrapper around the :cpp:func:`lammps_fix_external_get_force` function of the C-library interface. - .. versionadded:: 28Jul2021 - :param fix_id: Fix-ID of a fix external instance :type: string :return: requested data @@ -1989,11 +2043,11 @@ class lammps(object): def fix_external_set_energy_global(self, fix_id, eng): """Set the global energy contribution for a fix external instance with the given ID. + .. versionadded:: 28Jul2021 + This is a wrapper around the :cpp:func:`lammps_fix_external_set_energy_global` function of the C-library interface. - .. versionadded:: 28Jul2021 - :param fix_id: Fix-ID of a fix external instance :type: string :param eng: potential energy value to be added by fix external @@ -2008,11 +2062,11 @@ class lammps(object): def fix_external_set_virial_global(self, fix_id, virial): """Set the global virial contribution for a fix external instance with the given ID. + .. versionadded:: 28Jul2021 + This is a wrapper around the :cpp:func:`lammps_fix_external_set_virial_global` function of the C-library interface. - .. versionadded:: 28Jul2021 - :param fix_id: Fix-ID of a fix external instance :type: string :param eng: list of 6 floating point numbers with the virial to be added by fix external @@ -2028,11 +2082,11 @@ class lammps(object): def fix_external_set_energy_peratom(self, fix_id, eatom): """Set the per-atom energy contribution for a fix external instance with the given ID. + .. versionadded:: 28Jul2021 + This is a wrapper around the :cpp:func:`lammps_fix_external_set_energy_peratom` function of the C-library interface. - .. versionadded:: 28Jul2021 - :param fix_id: Fix-ID of a fix external instance :type: string :param eatom: list of potential energy values for local atoms to be added by fix external @@ -2051,11 +2105,11 @@ class lammps(object): def fix_external_set_virial_peratom(self, fix_id, vatom): """Set the per-atom virial contribution for a fix external instance with the given ID. + .. versionadded:: 28Jul2021 + This is a wrapper around the :cpp:func:`lammps_fix_external_set_virial_peratom` function of the C-library interface. - .. versionadded:: 28Jul2021 - :param fix_id: Fix-ID of a fix external instance :type: string :param vatom: list of natoms lists with 6 floating point numbers to be added by fix external @@ -2083,11 +2137,11 @@ class lammps(object): def fix_external_set_vector_length(self, fix_id, length): """Set the vector length for a global vector stored with fix external for analysis + .. versionadded:: 28Jul2021 + This is a wrapper around the :cpp:func:`lammps_fix_external_set_vector_length` function of the C-library interface. - .. versionadded:: 28Jul2021 - :param fix_id: Fix-ID of a fix external instance :type: string :param length: length of the global vector @@ -2101,11 +2155,11 @@ class lammps(object): def fix_external_set_vector(self, fix_id, idx, val): """Store a global vector value for a fix external instance with the given ID. + .. versionadded:: 28Jul2021 + This is a wrapper around the :cpp:func:`lammps_fix_external_set_vector` function of the C-library interface. - .. versionadded:: 28Jul2021 - :param fix_id: Fix-ID of a fix external instance :type: string :param idx: 1-based index of the value in the global vector diff --git a/python/lammps/numpy_wrapper.py b/python/lammps/numpy_wrapper.py index 8286fb9a5c..f3ea0fdf8e 100644 --- a/python/lammps/numpy_wrapper.py +++ b/python/lammps/numpy_wrapper.py @@ -262,12 +262,12 @@ class numpy_wrapper: def gather_bonds(self): """Retrieve global list of bonds as NumPy array + .. versionadded:: 28Jul2021 + This is a wrapper around :py:meth:`lammps.gather_bonds() ` It behaves the same as the original method, but returns a NumPy array instead of a ``ctypes`` list. - .. versionadded:: 28Jul2021 - :return: the requested data as a 2d-integer numpy array :rtype: numpy.array(nbonds,3) """ @@ -280,12 +280,12 @@ class numpy_wrapper: def gather_angles(self): """ Retrieve global list of angles as NumPy array + .. versionadded:: 8Feb2023 + This is a wrapper around :py:meth:`lammps.gather_angles() ` It behaves the same as the original method, but returns a NumPy array instead of a ``ctypes`` list. - .. versionadded:: TBD - :return: the requested data as a 2d-integer numpy array :rtype: numpy.array(nangles,4) """ @@ -298,12 +298,12 @@ class numpy_wrapper: def gather_dihedrals(self): """ Retrieve global list of dihedrals as NumPy array + .. versionadded:: 8Feb2023 + This is a wrapper around :py:meth:`lammps.gather_dihedrals() ` It behaves the same as the original method, but returns a NumPy array instead of a ``ctypes`` list. - .. versionadded:: TBD - :return: the requested data as a 2d-integer numpy array :rtype: numpy.array(ndihedrals,5) """ @@ -316,12 +316,12 @@ class numpy_wrapper: def gather_impropers(self): """ Retrieve global list of impropers as NumPy array + .. versionadded:: 8Feb2023 + This is a wrapper around :py:meth:`lammps.gather_impropers() ` It behaves the same as the original method, but returns a NumPy array instead of a ``ctypes`` list. - .. versionadded:: TBD - :return: the requested data as a 2d-integer numpy array :rtype: numpy.array(nimpropers,5) """ @@ -334,13 +334,13 @@ class numpy_wrapper: def fix_external_get_force(self, fix_id): """Get access to the array with per-atom forces of a fix external instance with a given fix ID. + .. versionchanged:: 28Jul2021 + This function is a wrapper around the :py:meth:`lammps.fix_external_get_force() ` method. It behaves the same as the original method, but returns a NumPy array instead of a ``ctypes`` pointer. - .. versionchanged:: 28Jul2021 - :param fix_id: Fix-ID of a fix external instance :type: string :return: requested data @@ -356,13 +356,13 @@ class numpy_wrapper: def fix_external_set_energy_peratom(self, fix_id, eatom): """Set the per-atom energy contribution for a fix external instance with the given ID. + .. versionadded:: 28Jul2021 + This function is an alternative to :py:meth:`lammps.fix_external_set_energy_peratom() ` method. It behaves the same as the original method, but accepts a NumPy array instead of a list as argument. - .. versionadded:: 28Jul2021 - :param fix_id: Fix-ID of a fix external instance :type: string :param eatom: per-atom potential energy @@ -383,13 +383,13 @@ class numpy_wrapper: def fix_external_set_virial_peratom(self, fix_id, vatom): """Set the per-atom virial contribution for a fix external instance with the given ID. + .. versionadded:: 28Jul2021 + This function is an alternative to :py:meth:`lammps.fix_external_set_virial_peratom() ` method. It behaves the same as the original method, but accepts a NumPy array instead of a list as argument. - .. versionadded:: 28Jul2021 - :param fix_id: Fix-ID of a fix external instance :type: string :param eatom: per-atom potential energy diff --git a/src/.gitignore b/src/.gitignore index 204eec5e0b..2cb2fd315b 100644 --- a/src/.gitignore +++ b/src/.gitignore @@ -1058,6 +1058,10 @@ /pair_adp.h /pair_agni.cpp /pair_agni.h +/pair_aip_water_2dm.cpp +/pair_aip_water_2dm.h +/pair_aip_water_2dm_opt.cpp +/pair_aip_water_2dm_opt.h /pair_airebo.cpp /pair_airebo.h /pair_airebo_morse.cpp @@ -1549,6 +1553,10 @@ /fix_langevin_drude.h /fix_mol_swap.cpp /fix_mol_swap.h +/fix_pimd.cpp +/fix_pimd.h +/fix_pimd_langevin.cpp +/fix_pimd_langevin.h /fix_alchemy.cpp /fix_alchemy.h /fix_pimd_nvt.cpp diff --git a/src/BPM/bond_bpm.cpp b/src/BPM/bond_bpm.cpp index a68aea3e68..da189ccaf5 100644 --- a/src/BPM/bond_bpm.cpp +++ b/src/BPM/bond_bpm.cpp @@ -187,10 +187,12 @@ void BondBPM::settings(int narg, char **arg) iarg++; } } else if (strcmp(arg[iarg], "overlay/pair") == 0) { - overlay_flag = 1; + if (iarg + 1 > narg) error->all(FLERR, "Illegal bond bpm command, missing option for overlay/pair"); + overlay_flag = utils::logical(FLERR, arg[iarg + 1], false, lmp); iarg++; - } else if (strcmp(arg[iarg], "break/no") == 0) { - break_flag = 0; + } else if (strcmp(arg[iarg], "break") == 0) { + if (iarg + 1 > narg) error->all(FLERR, "Illegal bond bpm command, missing option for break"); + break_flag = utils::logical(FLERR, arg[iarg + 1], false, lmp); iarg++; } else { leftover_iarg.push_back(iarg); diff --git a/src/BPM/bond_bpm_rotational.cpp b/src/BPM/bond_bpm_rotational.cpp index ac29c0e376..ffb0d9521d 100644 --- a/src/BPM/bond_bpm_rotational.cpp +++ b/src/BPM/bond_bpm_rotational.cpp @@ -50,6 +50,7 @@ BondBPMRotational::BondBPMRotational(LAMMPS *_lmp) : { partial_flag = 1; smooth_flag = 1; + normalize_flag = 0; single_extra = 7; svector = new double[7]; @@ -203,6 +204,13 @@ double BondBPMRotational::elastic_forces(int i1, int i2, int type, double r_mag, double Ts[3], Tb[3], Tt[3], Tbp[3], Ttp[3], Tsp[3], T_rot[3], Ttmp[3]; double **quat = atom->quat; + double r0_mag_inv = 1.0 / r0_mag; + double Kr_type = Kr[type]; + double Ks_type = Ks[type]; + if (normalize_flag) { + Kr_type *= r0_mag_inv; + Ks_type *= r0_mag_inv; + } q1[0] = quat[i1][0]; q1[1] = quat[i1][1]; @@ -217,26 +225,26 @@ double BondBPMRotational::elastic_forces(int i1, int i2, int type, double r_mag, // Calculate normal forces, rb = bond vector in particle 1's frame MathExtra::qconjugate(q2, q2inv); MathExtra::quatrotvec(q2inv, r, rb); - Fr = Kr[type] * (r_mag - r0_mag); + Fr = Kr_type * (r_mag - r0_mag); MathExtra::scale3(Fr * r_mag_inv, rb, F_rot); // Calculate forces due to tangential displacements (no rotation) r0_dot_rb = MathExtra::dot3(r0, rb); - c = r0_dot_rb * r_mag_inv / r0_mag; + c = r0_dot_rb * r_mag_inv * r0_mag_inv; gamma = acos_limit(c); MathExtra::cross3(rb, r0, rb_x_r0); MathExtra::cross3(rb, rb_x_r0, s); MathExtra::norm3(s); - MathExtra::scale3(Ks[type] * r_mag * gamma, s, Fs); + MathExtra::scale3(Ks_type * r_mag * gamma, s, Fs); // Calculate torque due to tangential displacements MathExtra::cross3(r0, rb, t); MathExtra::norm3(t); - MathExtra::scale3(0.5 * r_mag * Ks[type] * r_mag * gamma, t, Ts); + MathExtra::scale3(0.5 * r_mag * Ks_type * r_mag * gamma, t, Ts); // Relative rotation force/torque // Use representation of X'Y'Z' rotations from Wang, Mora 2009 @@ -316,12 +324,12 @@ double BondBPMRotational::elastic_forces(int i1, int i2, int type, double r_mag, Ttp[1] = 0.0; Ttp[2] = Kt[type] * psi; - Fsp[0] = -0.5 * Ks[type] * r_mag * theta * cos_phi; - Fsp[1] = -0.5 * Ks[type] * r_mag * theta * sin_phi; + Fsp[0] = -0.5 * Ks_type * r_mag * theta * cos_phi; + Fsp[1] = -0.5 * Ks_type * r_mag * theta * sin_phi; Fsp[2] = 0.0; - Tsp[0] = 0.25 * Ks[type] * r_mag * r_mag * theta * sin_phi; - Tsp[1] = -0.25 * Ks[type] * r_mag * r_mag * theta * cos_phi; + Tsp[0] = 0.25 * Ks_type * r_mag * r_mag * theta * sin_phi; + Tsp[1] = -0.25 * Ks_type * r_mag * r_mag * theta * cos_phi; Tsp[2] = 0.0; // Rotate forces/torques back to 1st particle's frame @@ -667,6 +675,10 @@ void BondBPMRotational::settings(int narg, char **arg) if (iarg + 1 > narg) error->all(FLERR, "Illegal bond bpm command, missing option for smooth"); smooth_flag = utils::logical(FLERR, arg[iarg + 1], false, lmp); i += 1; + } else if (strcmp(arg[iarg], "normalize") == 0) { + if (iarg + 1 > narg) error->all(FLERR, "Illegal bond bpm command, missing option for normalize"); + normalize_flag = utils::logical(FLERR, arg[iarg + 1], false, lmp); + i += 1; } else { error->all(FLERR, "Illegal bond bpm command, invalid argument {}", arg[iarg]); } @@ -793,7 +805,7 @@ double BondBPMRotational::single(int type, double rsq, int i, int j, double &ffo double breaking = elastic_forces(i, j, type, r_mag, r0_mag, r_mag_inv, rhat, r, r0, force1on2, torque1on2, torque2on1); damping_forces(i, j, type, rhat, r, force1on2, torque1on2, torque2on1); - fforce = MathExtra::dot3(force1on2, r); + fforce = MathExtra::dot3(force1on2, rhat); fforce *= -1; double smooth = 1.0; diff --git a/src/BPM/bond_bpm_rotational.h b/src/BPM/bond_bpm_rotational.h index 0fb38e7343..9fdc418d2d 100644 --- a/src/BPM/bond_bpm_rotational.h +++ b/src/BPM/bond_bpm_rotational.h @@ -41,7 +41,7 @@ class BondBPMRotational : public BondBPM { protected: double *Kr, *Ks, *Kt, *Kb, *gnorm, *gslide, *groll, *gtwist; double *Fcr, *Fcs, *Tct, *Tcb; - int smooth_flag; + int smooth_flag, normalize_flag; double elastic_forces(int, int, int, double, double, double, double *, double *, double *, double *, double *, double *); diff --git a/src/BPM/bond_bpm_spring.cpp b/src/BPM/bond_bpm_spring.cpp index ed4e71daf1..37b79f93fb 100644 --- a/src/BPM/bond_bpm_spring.cpp +++ b/src/BPM/bond_bpm_spring.cpp @@ -37,6 +37,7 @@ BondBPMSpring::BondBPMSpring(LAMMPS *_lmp) : { partial_flag = 1; smooth_flag = 1; + normalize_flag = 0; single_extra = 1; svector = new double[1]; @@ -190,7 +191,10 @@ void BondBPMSpring::compute(int eflag, int vflag) } rinv = 1.0 / r; - fbond = k[type] * (r0 - r); + if (normalize_flag) + fbond = -k[type] * e; + else + fbond = k[type] * (r0 - r); delvx = v[i1][0] - v[i2][0]; delvy = v[i1][1] - v[i2][1]; @@ -302,6 +306,10 @@ void BondBPMSpring::settings(int narg, char **arg) if (iarg + 1 > narg) error->all(FLERR, "Illegal bond bpm command, missing option for smooth"); smooth_flag = utils::logical(FLERR, arg[iarg + 1], false, lmp); i += 1; + } else if (strcmp(arg[iarg], "normalize") == 0) { + if (iarg + 1 > narg) error->all(FLERR, "Illegal bond bpm command, missing option for normalize"); + normalize_flag = utils::logical(FLERR, arg[iarg + 1], false, lmp); + i += 1; } else { error->all(FLERR, "Illegal bond bpm command, invalid argument {}", arg[iarg]); } @@ -376,7 +384,11 @@ double BondBPMSpring::single(int type, double rsq, int i, int j, double &fforce) double r = sqrt(rsq); double rinv = 1.0 / r; - fforce = k[type] * (r0 - r); + + if (normalize_flag) + fforce = k[type] * (r0 - r) / r0; + else + fforce = k[type] * (r0 - r); double **x = atom->x; double **v = atom->v; diff --git a/src/BPM/bond_bpm_spring.h b/src/BPM/bond_bpm_spring.h index 409469bef3..93f4b49a26 100644 --- a/src/BPM/bond_bpm_spring.h +++ b/src/BPM/bond_bpm_spring.h @@ -40,7 +40,7 @@ class BondBPMSpring : public BondBPM { protected: double *k, *ecrit, *gamma; - int smooth_flag; + int smooth_flag, normalize_flag; void allocate(); void store_data(); diff --git a/src/DIFFRACTION/compute_xrd.cpp b/src/DIFFRACTION/compute_xrd.cpp index 010e5bcb7d..426248b31e 100644 --- a/src/DIFFRACTION/compute_xrd.cpp +++ b/src/DIFFRACTION/compute_xrd.cpp @@ -90,8 +90,7 @@ ComputeXRD::ComputeXRD(LAMMPS *lmp, int narg, char **arg) : ztype[i] = j; } } - if (ztype[i] == XRDmaxType + 1) - error->all(FLERR,"Compute XRD: Invalid ASF atom type"); + if (ztype[i] == XRDmaxType + 1) error->all(FLERR,"Compute XRD: Invalid ASF atom type {}", arg[iarg]); iarg++; } diff --git a/src/EXTRA-COMPUTE/compute_stress_mop.cpp b/src/EXTRA-COMPUTE/compute_stress_mop.cpp index 60f2d76e06..98e3bf7043 100644 --- a/src/EXTRA-COMPUTE/compute_stress_mop.cpp +++ b/src/EXTRA-COMPUTE/compute_stress_mop.cpp @@ -1,4 +1,3 @@ -// clang-format off /* ---------------------------------------------------------------------- LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator https://www.lammps.org/, Sandia National Laboratories @@ -14,15 +13,21 @@ /*------------------------------------------------------------------------ Contributing Authors : Romain Vermorel (LFCR), Laurent Joly (ULyon) + Support for bonds and angles added by : Evangelos Voyiatzis (NovaMechanics) --------------------------------------------------------------------------*/ #include "compute_stress_mop.h" +#include "angle.h" #include "atom.h" +#include "atom_vec.h" +#include "bond.h" +#include "comm.h" #include "domain.h" #include "error.h" #include "force.h" #include "memory.h" +#include "molecule.h" #include "neigh_list.h" #include "neighbor.h" #include "pair.h" @@ -33,40 +38,52 @@ using namespace LAMMPS_NS; -enum{X,Y,Z}; -enum{TOTAL,CONF,KIN}; - -#define BIG 1000000000 +enum { X, Y, Z }; +enum { TOTAL, CONF, KIN, PAIR, BOND, ANGLE }; +// clang-format off /* ---------------------------------------------------------------------- */ ComputeStressMop::ComputeStressMop(LAMMPS *lmp, int narg, char **arg) : Compute(lmp, narg, arg) { - if (narg < 6) error->all(FLERR,"Illegal compute stress/mop command"); + if (narg < 6) utils::missing_cmd_args(FLERR, "compute stress/mop", error); - MPI_Comm_rank(world,&me); + bondflag = 0; + angleflag = 0; // set compute mode and direction of plane(s) for pressure calculation - if (strcmp(arg[3],"x")==0) { + if (strcmp(arg[3],"x") == 0) { dir = X; - } else if (strcmp(arg[3],"y")==0) { + } else if (strcmp(arg[3],"y") == 0) { dir = Y; - } else if (strcmp(arg[3],"z")==0) { + } else if (strcmp(arg[3],"z") == 0) { dir = Z; } else error->all(FLERR,"Illegal compute stress/mop command"); // Position of the plane - if (strcmp(arg[4],"lower")==0) { + if (strcmp(arg[4],"lower") == 0) { pos = domain->boxlo[dir]; - } else if (strcmp(arg[4],"upper")==0) { + } else if (strcmp(arg[4],"upper") == 0) { pos = domain->boxhi[dir]; - } else if (strcmp(arg[4],"center")==0) { + } else if (strcmp(arg[4],"center") == 0) { pos = 0.5*(domain->boxlo[dir]+domain->boxhi[dir]); } else pos = utils::numeric(FLERR,arg[4],false,lmp); + // plane inside the box + if ((pos > domain->boxhi[dir]) || (pos < domain->boxlo[dir])) { + error->warning(FLERR, "The specified initial plane lies outside of the simulation box"); + double dx[3] = {0.0, 0.0, 0.0}; + dx[dir] = pos - 0.5*(domain->boxhi[dir] + domain->boxlo[dir]); + domain->minimum_image(dx[0], dx[1], dx[2]); + pos = 0.5*(domain->boxhi[dir] + domain->boxlo[dir]) + dx[dir]; + + if ((pos > domain->boxhi[dir]) || (pos < domain->boxlo[dir])) + error->all(FLERR, "Plane for compute stress/mop is out of bounds"); + } + if (pos < (domain->boxlo[dir]+domain->prd_half[dir])) { pos1 = pos + domain->prd[dir]; } else { @@ -96,34 +113,53 @@ ComputeStressMop::ComputeStressMop(LAMMPS *lmp, int narg, char **arg) : which[nvalues] = TOTAL; nvalues++; } + } else if (strcmp(arg[iarg],"pair") == 0) { + for (i=0; i<3; i++) { + which[nvalues] = PAIR; + nvalues++; + } + } else if (strcmp(arg[iarg],"bond") == 0) { + for (i=0; i<3; i++) { + which[nvalues] = BOND; + nvalues++; + } + } else if (strcmp(arg[iarg],"angle") == 0) { + for (i=0; i<3; i++) { + which[nvalues] = ANGLE; + nvalues++; + } } else error->all(FLERR, "Illegal compute stress/mop command"); //break; iarg++; } - // Error check + // Error checks // 3D only - if (domain->dimension < 3) - error->all(FLERR, "Compute stress/mop incompatible with simulation dimension"); + if (domain->dimension != 3) + error->all(FLERR, "Compute stress/mop requires a 3d system"); // orthogonal simulation box if (domain->triclinic != 0) - error->all(FLERR, "Compute stress/mop incompatible with triclinic simulation box"); - // plane inside the box - if (pos >domain->boxhi[dir] || pos boxlo[dir]) - error->all(FLERR, "Plane for compute stress/mop is out of bounds"); - + error->all(FLERR, "Compute stress/mop is incompatible with triclinic simulation box"); // Initialize some variables values_local = values_global = vector = nullptr; + bond_local = nullptr; + bond_global = nullptr; + angle_local = nullptr; + angle_global = nullptr; // this fix produces a global vector memory->create(vector,nvalues,"stress/mop:vector"); - memory->create(values_local,nvalues,"stress/mop/spatial:values_local"); - memory->create(values_global,nvalues,"stress/mop/spatial:values_global"); + memory->create(values_local,nvalues,"stress/mop:values_local"); + memory->create(values_global,nvalues,"stress/mop:values_global"); + memory->create(bond_local,nvalues,"stress/mop:bond_local"); + memory->create(bond_global,nvalues,"stress/mop:bond_global"); + memory->create(angle_local,nvalues,"stress/mop:angle_local"); + memory->create(angle_global,nvalues,"stress/mop:angle_global"); size_vector = nvalues; vector_flag = 1; @@ -135,11 +171,14 @@ ComputeStressMop::ComputeStressMop(LAMMPS *lmp, int narg, char **arg) : ComputeStressMop::~ComputeStressMop() { - - delete [] which; + delete[] which; memory->destroy(values_local); memory->destroy(values_global); + memory->destroy(bond_local); + memory->destroy(bond_global); + memory->destroy(angle_local); + memory->destroy(angle_global); memory->destroy(vector); } @@ -169,31 +208,39 @@ void ComputeStressMop::init() // Compute stress/mop requires fixed simulation box if (domain->box_change_size || domain->box_change_shape || domain->deform_flag) - error->all(FLERR, "Compute stress/mop requires a fixed simulation box"); + error->all(FLERR, "Compute stress/mop requires a fixed size simulation box"); // This compute requires a pair style with pair_single method implemented - if (force->pair == nullptr) + if (!force->pair) error->all(FLERR,"No pair style is defined for compute stress/mop"); if (force->pair->single_enable == 0) error->all(FLERR,"Pair style does not support compute stress/mop"); - // Warnings + // Errors - if (me==0) { + if (comm->me == 0) { - //Compute stress/mop only accounts for pair interactions. - // issue a warning if any intramolecular potential or Kspace is defined. + // issue an error for unimplemented intramolecular potentials or Kspace. - if (force->bond!=nullptr) - error->warning(FLERR,"compute stress/mop does not account for bond potentials"); - if (force->angle!=nullptr) - error->warning(FLERR,"compute stress/mop does not account for angle potentials"); - if (force->dihedral!=nullptr) - error->warning(FLERR,"compute stress/mop does not account for dihedral potentials"); - if (force->improper!=nullptr) - error->warning(FLERR,"compute stress/mop does not account for improper potentials"); - if (force->kspace!=nullptr) + if (force->bond) bondflag = 1; + if (force->angle) { + if (force->angle->born_matrix_enable == 0) { + if ((strcmp(force->angle_style, "zero") != 0) && (strcmp(force->angle_style, "none") != 0)) + error->all(FLERR,"compute stress/mop does not account for angle potentials"); + } else { + angleflag = 1; + } + } + if (force->dihedral) { + if ((strcmp(force->dihedral_style, "zero") != 0) && (strcmp(force->dihedral_style, "none") != 0)) + error->all(FLERR,"compute stress/mop does not account for dihedral potentials"); + } + if (force->improper) { + if ((strcmp(force->improper_style, "zero") != 0) && (strcmp(force->improper_style, "none") != 0)) + error->all(FLERR,"compute stress/mop does not account for improper potentials"); + } + if (force->kspace) error->warning(FLERR,"compute stress/mop does not account for kspace contributions"); } @@ -221,14 +268,31 @@ void ComputeStressMop::compute_vector() compute_pairs(); // sum pressure contributions over all procs - MPI_Allreduce(values_local,values_global,nvalues, - MPI_DOUBLE,MPI_SUM,world); + MPI_Allreduce(values_local,values_global,nvalues,MPI_DOUBLE,MPI_SUM,world); - int m; - for (m=0; mpos) && (xj[dir]pos1) && (xj[dir] pos) && (xj[dir] < pos)) || ((xi[dir] > pos1) && (xj[dir] < pos1))) { pair->single(i,j,itype,jtype,rsq,factor_coul,factor_lj,fpair); - values_local[m] += fpair*(xi[0]-xj[0])/area*nktv2p; values_local[m+1] += fpair*(xi[1]-xj[1])/area*nktv2p; values_local[m+2] += fpair*(xi[2]-xj[2])/area*nktv2p; - } - else if (((xi[dir]pos)) || ((xi[dir]pos1))) { - + } else if (((xi[dir] < pos) && (xj[dir] > pos)) || ((xi[dir] < pos1) && (xj[dir] > pos1))) { pair->single(i,j,itype,jtype,rsq,factor_coul,factor_lj,fpair); - values_local[m] -= fpair*(xi[0]-xj[0])/area*nktv2p; values_local[m+1] -= fpair*(xi[1]-xj[1])/area*nktv2p; values_local[m+2] -= fpair*(xi[2]-xj[2])/area*nktv2p; } - } else { - - if (((xi[dir]>pos) && (xj[dir]pos1) && (xj[dir] pos) && (xj[dir] < pos)) || ((xi[dir] > pos1) && (xj[dir] < pos1))) { pair->single(i,j,itype,jtype,rsq,factor_coul,factor_lj,fpair); - values_local[m] += fpair*(xi[0]-xj[0])/area*nktv2p; values_local[m+1] += fpair*(xi[1]-xj[1])/area*nktv2p; values_local[m+2] += fpair*(xi[2]-xj[2])/area*nktv2p; } - } - } - } - } // Compute kinetic contribution to pressure // counts local particles transfers across the plane - if (which[m] == KIN || which[m] == TOTAL) { + if ((which[m] == KIN) || (which[m] == TOTAL)) { double sgn; for (int i = 0; i < nlocal; i++) { @@ -383,13 +434,13 @@ void ComputeStressMop::compute_pairs() //coordinates at t-dt (based on Velocity-Verlet alg.) if (rmass) { - xj[0] = xi[0]-vi[0]*dt+fi[0]/2/rmass[i]*dt*dt*ftm2v; - xj[1] = xi[1]-vi[1]*dt+fi[1]/2/rmass[i]*dt*dt*ftm2v; - xj[2] = xi[2]-vi[2]*dt+fi[2]/2/rmass[i]*dt*dt*ftm2v; + xj[0] = xi[0]-vi[0]*dt+fi[0]/2.0/rmass[i]*dt*dt*ftm2v; + xj[1] = xi[1]-vi[1]*dt+fi[1]/2.0/rmass[i]*dt*dt*ftm2v; + xj[2] = xi[2]-vi[2]*dt+fi[2]/2.0/rmass[i]*dt*dt*ftm2v; } else { - xj[0] = xi[0]-vi[0]*dt+fi[0]/2/mass[itype]*dt*dt*ftm2v; - xj[1] = xi[1]-vi[1]*dt+fi[1]/2/mass[itype]*dt*dt*ftm2v; - xj[2] = xi[2]-vi[2]*dt+fi[2]/2/mass[itype]*dt*dt*ftm2v; + xj[0] = xi[0]-vi[0]*dt+fi[0]/2.0/mass[itype]*dt*dt*ftm2v; + xj[1] = xi[1]-vi[1]*dt+fi[1]/2.0/mass[itype]*dt*dt*ftm2v; + xj[2] = xi[2]-vi[2]*dt+fi[2]/2.0/mass[itype]*dt*dt*ftm2v; } // because LAMMPS does not put atoms back in the box @@ -399,21 +450,21 @@ void ComputeStressMop::compute_pairs() double pos_temp = pos+copysign(1.0,domain->prd_half[dir]-pos)*domain->prd[dir]; if (fabs(xi[dir]-pos)x; + tagint *tag = atom->tag; + int *num_bond = atom->num_bond; + tagint **bond_atom = atom->bond_atom; + int **bond_type = atom->bond_type; + int *mask = atom->mask; + + int *molindex = atom->molindex; + int *molatom = atom->molatom; + Molecule **onemols = atom->avec->onemols; + + int nlocal = atom->nlocal; + int newton_bond = force->newton_bond; + int molecular = atom->molecular; + + Bond *bond = force->bond; + + double dx[3] = {0.0, 0.0, 0.0}; + double x_bond_1[3] = {0.0, 0.0, 0.0}; + double x_bond_2[3] = {0.0, 0.0, 0.0}; + double local_contribution[3] = {0.0, 0.0, 0.0}; + + // initialization + for (int i = 0; i < nvalues; i++) bond_local[i] = 0.0; + + // loop over all bonded atoms in the current proc + for (atom1 = 0; atom1 < nlocal; atom1++) { + if (!(mask[atom1] & groupbit)) continue; + + if (molecular == 1) + nb = num_bond[atom1]; + else { + if (molindex[atom1] < 0) continue; + imol = molindex[atom1]; + iatom = molatom[atom1]; + nb = onemols[imol]->num_bond[iatom]; + } + + for (i = 0; i < nb; i++) { + if (molecular == 1) { + btype = bond_type[atom1][i]; + atom2 = atom->map(bond_atom[atom1][i]); + } else { + tagprev = tag[atom1] - iatom - 1; + btype = onemols[imol]->bond_type[iatom][i]; + atom2 = atom->map(onemols[imol]->bond_atom[iatom][i] + tagprev); + } + + if (atom2 < 0 || !(mask[atom2] & groupbit)) continue; + if (newton_bond == 0 && tag[atom1] > tag[atom2]) continue; + if (btype <= 0) continue; + + // minimum image of atom1 with respect to the plane of interest + dx[0] = x[atom1][0]; + dx[1] = x[atom1][1]; + dx[2] = x[atom1][2]; + dx[dir] -= pos; + domain->minimum_image(dx[0], dx[1], dx[2]); + x_bond_1[0] = dx[0]; + x_bond_1[1] = dx[1]; + x_bond_1[2] = dx[2]; + x_bond_1[dir] += pos; + + // minimum image of atom2 with respect to atom1 + dx[0] = x[atom2][0] - x_bond_1[0]; + dx[1] = x[atom2][1] - x_bond_1[1]; + dx[2] = x[atom2][2] - x_bond_1[2]; + domain->minimum_image(dx[0], dx[1], dx[2]); + x_bond_2[0] = x_bond_1[0] + dx[0]; + x_bond_2[1] = x_bond_1[1] + dx[1]; + x_bond_2[2] = x_bond_1[2] + dx[2]; + + // check if the bond vector crosses the plane of interest + double tau = (x_bond_1[dir] - pos) / (x_bond_1[dir] - x_bond_2[dir]); + if ((tau <= 1) && (tau >= 0)) { + dx[0] = x_bond_1[0] - x_bond_2[0]; + dx[1] = x_bond_1[1] - x_bond_2[1]; + dx[2] = x_bond_1[2] - x_bond_2[2]; + rsq = dx[0] * dx[0] + dx[1] * dx[1] + dx[2] * dx[2]; + bond->single(btype, rsq, atom1, atom2, fpair); + + double sgn = copysign(1.0, x_bond_1[dir] - pos); + local_contribution[0] += sgn*fpair*dx[0]/area*nktv2p; + local_contribution[1] += sgn*fpair*dx[1]/area*nktv2p; + local_contribution[2] += sgn*fpair*dx[2]/area*nktv2p; + } + } + } + + // loop over the keywords and if necessary add the bond contribution + int m = 0; + while (mx; + tagint *tag = atom->tag; + int *num_angle = atom->num_angle; + tagint **angle_atom1 = atom->angle_atom1; + tagint **angle_atom2 = atom->angle_atom2; + tagint **angle_atom3 = atom->angle_atom3; + int **angle_type = atom->angle_type; + int *mask = atom->mask; + + int *molindex = atom->molindex; + int *molatom = atom->molatom; + Molecule **onemols = atom->avec->onemols; + + int nlocal = atom->nlocal; + int molecular = atom->molecular; + + // loop over all atoms and their angles + + Angle *angle = force->angle; + + double duang, du2ang; + double dx[3] = {0.0, 0.0, 0.0}; + double dx_left[3] = {0.0, 0.0, 0.0}; + double dx_right[3] = {0.0, 0.0, 0.0}; + double x_angle_left[3] = {0.0, 0.0, 0.0}; + double x_angle_middle[3] = {0.0, 0.0, 0.0}; + double x_angle_right[3] = {0.0, 0.0, 0.0}; + double dcos_theta[3] = {0.0, 0.0, 0.0}; + double local_contribution[3] = {0.0, 0.0, 0.0}; + + // initialization + for (int i = 0; i < nvalues; i++) angle_local[i] = 0.0; + + for (atom2 = 0; atom2 < nlocal; atom2++) { + if (!(mask[atom2] & groupbit)) continue; + + if (molecular == 1) + na = num_angle[atom2]; + else { + if (molindex[atom2] < 0) continue; + imol = molindex[atom2]; + iatom = molatom[atom2]; + na = onemols[imol]->num_angle[iatom]; + } + + for (int i = 0; i < na; i++) { + if (molecular == 1) { + if (tag[atom2] != angle_atom2[atom2][i]) continue; + atype = angle_type[atom2][i]; + atom1 = atom->map(angle_atom1[atom2][i]); + atom3 = atom->map(angle_atom3[atom2][i]); + } else { + if (tag[atom2] != onemols[imol]->angle_atom2[atom2][i]) continue; + atype = onemols[imol]->angle_type[atom2][i]; + tagprev = tag[atom2] - iatom - 1; + atom1 = atom->map(onemols[imol]->angle_atom1[atom2][i] + tagprev); + atom3 = atom->map(onemols[imol]->angle_atom3[atom2][i] + tagprev); + } + + if (atom1 < 0 || !(mask[atom1] & groupbit)) continue; + if (atom3 < 0 || !(mask[atom3] & groupbit)) continue; + if (atype <= 0) continue; + + // minimum image of atom1 with respect to the plane of interest + dx[0] = x[atom1][0]; + dx[1] = x[atom1][1]; + dx[2] = x[atom1][2]; + dx[dir] -= pos; + domain->minimum_image(dx[0], dx[1], dx[2]); + x_angle_left[0] = dx[0]; + x_angle_left[1] = dx[1]; + x_angle_left[2] = dx[2]; + x_angle_left[dir] += pos; + // minimum image of atom2 with respect to atom1 + dx_left[0] = x[atom2][0] - x_angle_left[0]; + dx_left[1] = x[atom2][1] - x_angle_left[1]; + dx_left[2] = x[atom2][2] - x_angle_left[2]; + domain->minimum_image(dx_left[0], dx_left[1], dx_left[2]); + x_angle_middle[0] = x_angle_left[0] + dx_left[0]; + x_angle_middle[1] = x_angle_left[1] + dx_left[1]; + x_angle_middle[2] = x_angle_left[2] + dx_left[2]; + + // minimum image of atom3 with respect to atom2 + dx_right[0] = x[atom3][0] - x_angle_middle[0]; + dx_right[1] = x[atom3][1] - x_angle_middle[1]; + dx_right[2] = x[atom3][2] - x_angle_middle[2]; + domain->minimum_image(dx_right[0], dx_right[1], dx_right[2]); + x_angle_right[0] = x_angle_middle[0] + dx_right[0]; + x_angle_right[1] = x_angle_middle[1] + dx_right[1]; + x_angle_right[2] = x_angle_middle[2] + dx_right[2]; + + // check if any bond vector crosses the plane of interest + double tau_right = (x_angle_right[dir] - pos) / (x_angle_right[dir] - x_angle_middle[dir]); + double tau_left = (x_angle_middle[dir] - pos) / (x_angle_middle[dir] - x_angle_left[dir]); + bool right_cross = ((tau_right >=0) && (tau_right <= 1)); + bool left_cross = ((tau_left >=0) && (tau_left <= 1)); + + // no bonds crossing the plane + if (!right_cross && !left_cross) continue; + + // compute the cos(theta) of the angle + r1 = sqrt(dx_left[0]*dx_left[0] + dx_left[1]*dx_left[1] + dx_left[2]*dx_left[2]); + r2 = sqrt(dx_right[0]*dx_right[0] + dx_right[1]*dx_right[1] + dx_right[2]*dx_right[2]); + cos_theta = -(dx_right[0]*dx_left[0] + dx_right[1]*dx_left[1] + dx_right[2]*dx_left[2])/(r1*r2); + + if (cos_theta > 1.0) cos_theta = 1.0; + if (cos_theta < -1.0) cos_theta = -1.0; + + // The method returns derivative with regards to cos(theta) + angle->born_matrix(atype, atom1, atom2, atom3, duang, du2ang); + // only right bond crossing the plane + if (right_cross && !left_cross) + { + double sgn = copysign(1.0, x_angle_right[dir] - pos); + dcos_theta[0] = sgn*(dx_right[0]*cos_theta/r2 + dx_left[0]/r1)/r2; + dcos_theta[1] = sgn*(dx_right[1]*cos_theta/r2 + dx_left[1]/r1)/r2; + dcos_theta[2] = sgn*(dx_right[2]*cos_theta/r2 + dx_left[2]/r1)/r2; + } + + // only left bond crossing the plane + if (!right_cross && left_cross) + { + double sgn = copysign(1.0, x_angle_left[dir] - pos); + dcos_theta[0] = -sgn*(dx_left[0]*cos_theta/r1 + dx_right[0]/r2)/r1; + dcos_theta[1] = -sgn*(dx_left[1]*cos_theta/r1 + dx_right[1]/r2)/r1; + dcos_theta[2] = -sgn*(dx_left[2]*cos_theta/r1 + dx_right[2]/r2)/r1; + } + + // both bonds crossing the plane + if (right_cross && left_cross) + { + // due to right bond + double sgn = copysign(1.0, x_angle_middle[dir] - pos); + dcos_theta[0] = -sgn*(dx_right[0]*cos_theta/r2 + dx_left[0]/r1)/r2; + dcos_theta[1] = -sgn*(dx_right[1]*cos_theta/r2 + dx_left[1]/r1)/r2; + dcos_theta[2] = -sgn*(dx_right[2]*cos_theta/r2 + dx_left[2]/r1)/r2; + + // due to left bond + dcos_theta[0] += sgn*(dx_left[0]*cos_theta/r1 + dx_right[0]/r2)/r1; + dcos_theta[1] += sgn*(dx_left[1]*cos_theta/r1 + dx_right[1]/r2)/r1; + dcos_theta[2] += sgn*(dx_left[2]*cos_theta/r1 + dx_right[2]/r2)/r1; + } + + // final contribution of the given angle term + local_contribution[0] += duang*dcos_theta[0]/area*nktv2p; + local_contribution[1] += duang*dcos_theta[1]/area*nktv2p; + local_contribution[2] += duang*dcos_theta[2]/area*nktv2p; + } + } + // loop over the keywords and if necessary add the angle contribution + int m = 0; + while (m < nvalues) { + if (which[m] == CONF || which[m] == TOTAL || which[m] == ANGLE) { + angle_local[m] = local_contribution[0]; + angle_local[m+1] = local_contribution[1]; + angle_local[m+2] = local_contribution[2]; + } + m += 3; + } +} diff --git a/src/EXTRA-COMPUTE/compute_stress_mop.h b/src/EXTRA-COMPUTE/compute_stress_mop.h index 5357d36371..86140dc278 100644 --- a/src/EXTRA-COMPUTE/compute_stress_mop.h +++ b/src/EXTRA-COMPUTE/compute_stress_mop.h @@ -38,11 +38,17 @@ class ComputeStressMop : public Compute { private: void compute_pairs(); + void compute_bonds(); + void compute_angles(); - int me, nvalues, dir; + int nvalues, dir; int *which; + int bondflag, angleflag; + double *values_local, *values_global; + double *bond_local, *bond_global; + double *angle_local, *angle_global; double pos, pos1, dt, nktv2p, ftm2v; double area; class NeighList *list; diff --git a/src/EXTRA-COMPUTE/compute_stress_mop_profile.cpp b/src/EXTRA-COMPUTE/compute_stress_mop_profile.cpp index 709f109cb1..1f1dc30733 100644 --- a/src/EXTRA-COMPUTE/compute_stress_mop_profile.cpp +++ b/src/EXTRA-COMPUTE/compute_stress_mop_profile.cpp @@ -1,4 +1,3 @@ -// clang-format off /* ---------------------------------------------------------------------- LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator https://www.lammps.org/, Sandia National Laboratories @@ -14,47 +13,51 @@ /*------------------------------------------------------------------------ Contributing Authors : Romain Vermorel (LFCR), Laurent Joly (ULyon) + Support for bonds added by : Evangelos Voyiatzis (NovaMechanics) --------------------------------------------------------------------------*/ #include "compute_stress_mop_profile.h" #include "atom.h" -#include "update.h" +#include "atom_vec.h" +#include "bond.h" +#include "comm.h" #include "domain.h" -#include "neighbor.h" -#include "force.h" -#include "pair.h" -#include "neigh_list.h" #include "error.h" +#include "force.h" #include "memory.h" +#include "molecule.h" +#include "neigh_list.h" +#include "neighbor.h" +#include "pair.h" +#include "update.h" #include #include using namespace LAMMPS_NS; -enum{X,Y,Z}; -enum{LOWER,CENTER,UPPER,COORD}; -enum{TOTAL,CONF,KIN}; - -#define BIG 1000000000 +enum { X, Y, Z }; +enum { LOWER, CENTER, UPPER, COORD }; +enum { TOTAL, CONF, KIN, PAIR, BOND }; +// clang-format off /* ---------------------------------------------------------------------- */ ComputeStressMopProfile::ComputeStressMopProfile(LAMMPS *lmp, int narg, char **arg) : Compute(lmp, narg, arg) { - if (narg < 7) error->all(FLERR,"Illegal compute stress/mop/profile command"); + if (narg < 7) utils::missing_cmd_args(FLERR, "compute stress/mop/profile", error); - MPI_Comm_rank(world,&me); + bondflag = 0; // set compute mode and direction of plane(s) for pressure calculation - if (strcmp(arg[3],"x")==0) { + if (strcmp(arg[3],"x") == 0) { dir = X; - } else if (strcmp(arg[3],"y")==0) { + } else if (strcmp(arg[3],"y") == 0) { dir = Y; - } else if (strcmp(arg[3],"z")==0) { + } else if (strcmp(arg[3],"z") == 0) { dir = Z; } else error->all(FLERR,"Illegal compute stress/mop/profile command"); @@ -64,8 +67,7 @@ ComputeStressMopProfile::ComputeStressMopProfile(LAMMPS *lmp, int narg, char **a else if (strcmp(arg[4],"center") == 0) originflag = CENTER; else if (strcmp(arg[4],"upper") == 0) originflag = UPPER; else originflag = COORD; - if (originflag == COORD) - origin = utils::numeric(FLERR,arg[4],false,lmp); + if (originflag == COORD) origin = utils::numeric(FLERR,arg[4],false,lmp); delta = utils::numeric(FLERR,arg[5],false,lmp); invdelta = 1.0/delta; @@ -92,6 +94,16 @@ ComputeStressMopProfile::ComputeStressMopProfile(LAMMPS *lmp, int narg, char **a which[nvalues] = TOTAL; nvalues++; } + } else if (strcmp(arg[iarg],"pair") == 0) { + for (i=0; i<3; i++) { + which[nvalues] = PAIR; + nvalues++; + } + } else if (strcmp(arg[iarg],"bond") == 0) { + for (i=0; i<3; i++) { + which[nvalues] = BOND; + nvalues++; + } } else error->all(FLERR, "Illegal compute stress/mop/profile command"); //break; iarg++; @@ -114,6 +126,9 @@ ComputeStressMopProfile::ComputeStressMopProfile(LAMMPS *lmp, int narg, char **a nbins = 0; coord = coordp = nullptr; values_local = values_global = array = nullptr; + bond_local = nullptr; + bond_global = nullptr; + local_contribution = nullptr; // bin setup @@ -133,13 +148,15 @@ ComputeStressMopProfile::ComputeStressMopProfile(LAMMPS *lmp, int narg, char **a ComputeStressMopProfile::~ComputeStressMopProfile() { - - delete [] which; + delete[] which; memory->destroy(coord); memory->destroy(coordp); memory->destroy(values_local); memory->destroy(values_global); + memory->destroy(bond_local); + memory->destroy(bond_global); + memory->destroy(local_contribution); memory->destroy(array); } @@ -147,7 +164,6 @@ ComputeStressMopProfile::~ComputeStressMopProfile() void ComputeStressMopProfile::init() { - // conversion constants nktv2p = force->nktv2p; @@ -173,27 +189,30 @@ void ComputeStressMopProfile::init() //This compute requires a pair style with pair_single method implemented - if (force->pair == nullptr) + if (!force->pair) error->all(FLERR,"No pair style is defined for compute stress/mop/profile"); if (force->pair->single_enable == 0) error->all(FLERR,"Pair style does not support compute stress/mop/profile"); - // Warnings + // Errors - if (me==0) { + if (comm->me == 0) { //Compute stress/mop/profile only accounts for pair interactions. - // issue a warning if any intramolecular potential or Kspace is defined. + // issue an error if any intramolecular potential or Kspace is defined. - if (force->bond!=nullptr) - error->warning(FLERR,"compute stress/mop/profile does not account for bond potentials"); - if (force->angle!=nullptr) - error->warning(FLERR,"compute stress/mop/profile does not account for angle potentials"); - if (force->dihedral!=nullptr) - error->warning(FLERR,"compute stress/mop/profile does not account for dihedral potentials"); - if (force->improper!=nullptr) - error->warning(FLERR,"compute stress/mop/profile does not account for improper potentials"); - if (force->kspace!=nullptr) + if (force->bond) bondflag = 1; + + if (force->angle) + if ((strcmp(force->angle_style, "zero") != 0) && (strcmp(force->angle_style, "none") != 0)) + error->all(FLERR,"compute stress/mop/profile does not account for angle potentials"); + if (force->dihedral) + if ((strcmp(force->dihedral_style, "zero") != 0) && (strcmp(force->dihedral_style, "none") != 0)) + error->all(FLERR,"compute stress/mop/profile does not account for dihedral potentials"); + if (force->improper) + if ((strcmp(force->improper_style, "zero") != 0) && (strcmp(force->improper_style, "none") != 0)) + error->all(FLERR,"compute stress/mop/profile does not account for improper potentials"); + if (force->kspace) error->warning(FLERR,"compute stress/mop/profile does not account for kspace contributions"); } @@ -222,17 +241,29 @@ void ComputeStressMopProfile::compute_array() compute_pairs(); // sum pressure contributions over all procs - MPI_Allreduce(&values_local[0][0],&values_global[0][0],nbins*nvalues, - MPI_DOUBLE,MPI_SUM,world); + MPI_Allreduce(&values_local[0][0],&values_global[0][0],nbins*nvalues,MPI_DOUBLE,MPI_SUM,world); - int ibin,m,mo; - for (ibin=0; ibinx; + tagint *tag = atom->tag; + int *num_bond = atom->num_bond; + tagint **bond_atom = atom->bond_atom; + int **bond_type = atom->bond_type; + int *mask = atom->mask; + + int *molindex = atom->molindex; + int *molatom = atom->molatom; + Molecule **onemols = atom->avec->onemols; + + int nlocal = atom->nlocal; + int newton_bond = force->newton_bond; + int molecular = atom->molecular; + + Bond *bond = force->bond; + + double dx[3] = {0.0, 0.0, 0.0}; + double x_bond_1[3] = {0.0, 0.0, 0.0}; + double x_bond_2[3] = {0.0, 0.0, 0.0}; + + // initialization + for (int m = 0; m < nbins; m++) { + for (int i = 0; i < nvalues; i++) { + bond_local[m][i] = 0.0; + } + local_contribution[m][0] = 0.0; + local_contribution[m][1] = 0.0; + local_contribution[m][2] = 0.0; + } + + // loop over all bonded atoms in the current proc + for (atom1 = 0; atom1 < nlocal; atom1++) { + if (!(mask[atom1] & groupbit)) continue; + + if (molecular == 1) + nb = num_bond[atom1]; + else { + if (molindex[atom1] < 0) continue; + imol = molindex[atom1]; + iatom = molatom[atom1]; + nb = onemols[imol]->num_bond[iatom]; + } + + for (i = 0; i < nb; i++) { + if (molecular == 1) { + btype = bond_type[atom1][i]; + atom2 = atom->map(bond_atom[atom1][i]); + } else { + tagprev = tag[atom1] - iatom - 1; + btype = onemols[imol]->bond_type[iatom][i]; + atom2 = atom->map(onemols[imol]->bond_atom[iatom][i] + tagprev); + } + + if (atom2 < 0 || !(mask[atom2] & groupbit)) continue; + if (newton_bond == 0 && tag[atom1] > tag[atom2]) continue; + if (btype <= 0) continue; + + for (int ibin = 0; ibinminimum_image(dx[0], dx[1], dx[2]); + x_bond_1[0] = dx[0]; + x_bond_1[1] = dx[1]; + x_bond_1[2] = dx[2]; + x_bond_1[dir] += pos; + + // minimum image of atom2 with respect to atom1 + dx[0] = x[atom2][0] - x_bond_1[0]; + dx[1] = x[atom2][1] - x_bond_1[1]; + dx[2] = x[atom2][2] - x_bond_1[2]; + domain->minimum_image(dx[0], dx[1], dx[2]); + x_bond_2[0] = x_bond_1[0] + dx[0]; + x_bond_2[1] = x_bond_1[1] + dx[1]; + x_bond_2[2] = x_bond_1[2] + dx[2]; + + // check if the bond vector crosses the plane of interest + double tau = (x_bond_1[dir] - pos) / (x_bond_1[dir] - x_bond_2[dir]); + if ((tau <= 1) && (tau >= 0)) { + dx[0] = x_bond_1[0] - x_bond_2[0]; + dx[1] = x_bond_1[1] - x_bond_2[1]; + dx[2] = x_bond_1[2] - x_bond_2[2]; + rsq = dx[0] * dx[0] + dx[1] * dx[1] + dx[2] * dx[2]; + bond->single(btype, rsq, atom1, atom2, fpair); + + double sgn = copysign(1.0, x_bond_1[dir] - pos); + local_contribution[ibin][0] += sgn*fpair*dx[0]/area*nktv2p; + local_contribution[ibin][1] += sgn*fpair*dx[1]/area*nktv2p; + local_contribution[ibin][2] += sgn*fpair*dx[2]/area*nktv2p; + } + } + } + } + + // loop over the keywords and if necessary add the bond contribution + int m = 0; + while (m < nvalues) { + if ((which[m] == CONF) || (which[m] == TOTAL) || (which[m] == BOND)) { + for (int ibin = 0; ibin < nbins; ibin++) { + bond_local[ibin][m] = local_contribution[ibin][0]; + bond_local[ibin][m+1] = local_contribution[ibin][1]; + bond_local[ibin][m+2] = local_contribution[ibin][2]; + } + } + m += 3; + } +} + /* ---------------------------------------------------------------------- setup 1d bins and their extent and coordinates called at init() @@ -492,6 +646,9 @@ void ComputeStressMopProfile::setup_bins() memory->create(coordp,nbins,1,"stress/mop/profile:coordp"); memory->create(values_local,nbins,nvalues,"stress/mop/profile:values_local"); memory->create(values_global,nbins,nvalues,"stress/mop/profile:values_global"); + memory->create(bond_local,nbins,nvalues,"stress/mop/profile:bond_local"); + memory->create(bond_global,nbins,nvalues,"stress/mop/profile:bond_global"); + memory->create(local_contribution,nbins,3,"stress/mop/profile:local_contribution"); // set bin coordinates for (i = 0; i < nbins; i++) { diff --git a/src/EXTRA-COMPUTE/compute_stress_mop_profile.h b/src/EXTRA-COMPUTE/compute_stress_mop_profile.h index b58f762c12..2b0ffef0f8 100644 --- a/src/EXTRA-COMPUTE/compute_stress_mop_profile.h +++ b/src/EXTRA-COMPUTE/compute_stress_mop_profile.h @@ -38,16 +38,21 @@ class ComputeStressMopProfile : public Compute { private: void compute_pairs(); + void compute_bonds(); void setup_bins(); - int me, nvalues, dir; + int nvalues, dir; int *which; + int bondflag; + int originflag; double origin, delta, offset, invdelta; int nbins; double **coord, **coordp; double **values_local, **values_global; + double **bond_local, **bond_global; + double **local_contribution; double dt, nktv2p, ftm2v; double area; diff --git a/src/EXTRA-DUMP/dump_yaml.cpp b/src/EXTRA-DUMP/dump_yaml.cpp index 3c35ec43ba..47cab1ee02 100644 --- a/src/EXTRA-DUMP/dump_yaml.cpp +++ b/src/EXTRA-DUMP/dump_yaml.cpp @@ -60,21 +60,29 @@ void DumpYAML::write_header(bigint ndump) std::string thermo_data; if (thermo) { Thermo *th = output->thermo; - thermo_data += "thermo:\n - keywords: [ "; - for (int i = 0; i < th->nfield; ++i) thermo_data += fmt::format("{}, ", th->keyword[i]); - thermo_data += "]\n - data: [ "; + // output thermo data only on timesteps where it was computed + if (update->ntimestep == *th->get_timestep()) { + int nfield = *th->get_nfield(); + const auto &keywords = th->get_keywords(); + const auto &fields = th->get_fields(); - for (int i = 0; i < th->nfield; ++i) { - th->call_vfunc(i); - if (th->vtype[i] == Thermo::FLOAT) - thermo_data += fmt::format("{}, ", th->dvalue); - else if (th->vtype[i] == Thermo::INT) - thermo_data += fmt::format("{}, ", th->ivalue); - else if (th->vtype[i] == Thermo::BIGINT) - thermo_data += fmt::format("{}, ", th->bivalue); + thermo_data += "thermo:\n - keywords: [ "; + for (int i = 0; i < nfield; ++i) thermo_data += fmt::format("{}, ", keywords[i]); + thermo_data += "]\n - data: [ "; + + for (int i = 0; i < nfield; ++i) { + if (fields[i].type == multitype::DOUBLE) + thermo_data += fmt::format("{}, ", fields[i].data.d); + else if (fields[i].type == multitype::INT) + thermo_data += fmt::format("{}, ", fields[i].data.i); + else if (fields[i].type == multitype::BIGINT) + thermo_data += fmt::format("{}, ", fields[i].data.b); + else + thermo_data += ", "; + } + thermo_data += "]\n"; + MPI_Barrier(world); } - thermo_data += "]\n"; - MPI_Barrier(world); } if (comm->me == 0) { @@ -85,7 +93,7 @@ void DumpYAML::write_header(bigint ndump) fmt::print(fp, "natoms: {}\n", ndump); fputs("boundary: [ ", fp); - for (const auto bflag : boundary) { + for (const auto &bflag : boundary) { if (bflag == ' ') continue; fmt::print(fp, "{}, ", bflag); } diff --git a/src/EXTRA-FIX/fix_electron_stopping.cpp b/src/EXTRA-FIX/fix_electron_stopping.cpp index 4a9421be6c..37f33f4ea0 100644 --- a/src/EXTRA-FIX/fix_electron_stopping.cpp +++ b/src/EXTRA-FIX/fix_electron_stopping.cpp @@ -175,7 +175,8 @@ void FixElectronStopping::post_force(int /*vflag*/) if (energy < Ecut) continue; if (energy < elstop_ranges[0][0]) continue; if (energy > elstop_ranges[0][table_entries - 1]) - error->one(FLERR, "Atom kinetic energy too high for fix electron/stopping"); + error->one(FLERR, "Fix electron/stopping: kinetic energy too high for atom {}: {} vs {}", + atom->tag[i], energy, elstop_ranges[0][table_entries - 1]); if (region) { // Only apply in the given region diff --git a/src/GRANULAR/gran_sub_mod_normal.cpp b/src/GRANULAR/gran_sub_mod_normal.cpp index fcd9cdd27f..ffc18b8c32 100644 --- a/src/GRANULAR/gran_sub_mod_normal.cpp +++ b/src/GRANULAR/gran_sub_mod_normal.cpp @@ -150,6 +150,7 @@ GranSubModNormalHertzMaterial::GranSubModNormalHertzMaterial(GranularModel *gm, material_properties = 1; num_coeffs = 3; contact_radius_flag = 1; + mixed_coefficients = 0; } /* ---------------------------------------------------------------------- */ @@ -159,10 +160,12 @@ void GranSubModNormalHertzMaterial::coeffs_to_local() Emod = coeffs[0]; damp = coeffs[1]; poiss = coeffs[2]; - if (gm->contact_type == PAIR) { - k = FOURTHIRDS * mix_stiffnessE(Emod, Emod, poiss, poiss); - } else { - k = FOURTHIRDS * mix_stiffnessE_wall(Emod, poiss); + if (!mixed_coefficients) { + if (gm->contact_type == PAIR) { + k = FOURTHIRDS * mix_stiffnessE(Emod, Emod, poiss, poiss); + } else { + k = FOURTHIRDS * mix_stiffnessE_wall(Emod, poiss); + } } if (Emod < 0.0 || damp < 0.0) error->all(FLERR, "Illegal Hertz material normal model"); @@ -175,6 +178,10 @@ void GranSubModNormalHertzMaterial::mix_coeffs(double *icoeffs, double *jcoeffs) coeffs[0] = mix_stiffnessE(icoeffs[0], jcoeffs[0], icoeffs[2], jcoeffs[2]); coeffs[1] = mix_geom(icoeffs[1], jcoeffs[1]); coeffs[2] = mix_geom(icoeffs[2], jcoeffs[2]); + + k = FOURTHIRDS * coeffs[0]; + mixed_coefficients = 1; + coeffs_to_local(); } @@ -188,6 +195,7 @@ GranSubModNormalDMT::GranSubModNormalDMT(GranularModel *gm, LAMMPS *lmp) : GranS cohesive_flag = 1; num_coeffs = 4; contact_radius_flag = 1; + mixed_coefficients = 0; } /* ---------------------------------------------------------------------- */ @@ -198,10 +206,13 @@ void GranSubModNormalDMT::coeffs_to_local() damp = coeffs[1]; poiss = coeffs[2]; cohesion = coeffs[3]; - if (gm->contact_type == PAIR) { - k = FOURTHIRDS * mix_stiffnessE(Emod, Emod, poiss, poiss); - } else { - k = FOURTHIRDS * mix_stiffnessE_wall(Emod, poiss); + + if (!mixed_coefficients) { + if (gm->contact_type == PAIR) { + k = FOURTHIRDS * mix_stiffnessE(Emod, Emod, poiss, poiss); + } else { + k = FOURTHIRDS * mix_stiffnessE_wall(Emod, poiss); + } } if (Emod < 0.0 || damp < 0.0) error->all(FLERR, "Illegal DMT normal model"); @@ -215,6 +226,10 @@ void GranSubModNormalDMT::mix_coeffs(double *icoeffs, double *jcoeffs) coeffs[1] = mix_geom(icoeffs[1], jcoeffs[1]); coeffs[2] = mix_geom(icoeffs[2], jcoeffs[2]); coeffs[3] = mix_geom(icoeffs[3], jcoeffs[3]); + + k = FOURTHIRDS * coeffs[0]; + mixed_coefficients = 1; + coeffs_to_local(); } @@ -246,6 +261,7 @@ GranSubModNormalJKR::GranSubModNormalJKR(GranularModel *gm, LAMMPS *lmp) : GranS beyond_contact = 1; num_coeffs = 4; contact_radius_flag = 1; + mixed_coefficients = 0; } /* ---------------------------------------------------------------------- */ @@ -257,10 +273,12 @@ void GranSubModNormalJKR::coeffs_to_local() poiss = coeffs[2]; cohesion = coeffs[3]; - if (gm->contact_type == PAIR) { - Emix = mix_stiffnessE(Emod, Emod, poiss, poiss); - } else { - Emix = mix_stiffnessE_wall(Emod, poiss); + if (!mixed_coefficients) { + if (gm->contact_type == PAIR) { + Emix = mix_stiffnessE(Emod, Emod, poiss, poiss); + } else { + Emix = mix_stiffnessE_wall(Emod, poiss); + } } k = FOURTHIRDS * Emix; @@ -276,6 +294,10 @@ void GranSubModNormalJKR::mix_coeffs(double *icoeffs, double *jcoeffs) coeffs[1] = mix_geom(icoeffs[1], jcoeffs[1]); coeffs[2] = mix_geom(icoeffs[2], jcoeffs[2]); coeffs[3] = mix_geom(icoeffs[3], jcoeffs[3]); + + Emix = coeffs[0]; + mixed_coefficients = 1; + coeffs_to_local(); } diff --git a/src/GRANULAR/gran_sub_mod_normal.h b/src/GRANULAR/gran_sub_mod_normal.h index 7fb4a259e0..6f2f3aabbe 100644 --- a/src/GRANULAR/gran_sub_mod_normal.h +++ b/src/GRANULAR/gran_sub_mod_normal.h @@ -29,6 +29,7 @@ GranSubModStyle(jkr,GranSubModNormalJKR,NORMAL); namespace LAMMPS_NS { namespace Granular_NS { + class GranSubModNormal : public GranSubMod { public: GranSubModNormal(class GranularModel *, class LAMMPS *); @@ -92,6 +93,8 @@ namespace Granular_NS { GranSubModNormalHertzMaterial(class GranularModel *, class LAMMPS *); void coeffs_to_local() override; void mix_coeffs(double *, double *) override; + private: + int mixed_coefficients; }; /* ---------------------------------------------------------------------- */ @@ -107,6 +110,7 @@ namespace Granular_NS { protected: double k, cohesion; double F_pulloff, Fne; + int mixed_coefficients; }; /* ---------------------------------------------------------------------- */ @@ -125,6 +129,7 @@ namespace Granular_NS { protected: double k, cohesion; double Emix, F_pulloff, Fne; + int mixed_coefficients; }; } // namespace Granular_NS diff --git a/src/INTERLAYER/pair_aip_water_2dm.cpp b/src/INTERLAYER/pair_aip_water_2dm.cpp new file mode 100644 index 0000000000..6e2bf7228d --- /dev/null +++ b/src/INTERLAYER/pair_aip_water_2dm.cpp @@ -0,0 +1,72 @@ +/* ---------------------------------------------------------------------- + LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator + https://www.lammps.org/, Sandia National Laboratories + LAMMPS development team: developers@lammps.org + + Copyright (2003) Sandia Corporation. Under the terms of Contract + DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains + certain rights in this software. This software is distributed under the GNU General Public License. + + See the README file in the top-level LAMMPS directory. +------------------------------------------------------------------------- */ + +/* ---------------------------------------------------------------------- + Contributing author: Wengen Ouyang (Wuhan University) + e-mail: w.g.ouyang at gmail dot com + + This is a full version of the potential described in + [Feng and Ouyang et al, J. Phys. Chem. C 127, 8704-8713 (2023).] +------------------------------------------------------------------------- */ + +#include "pair_aip_water_2dm.h" + +#include "citeme.h" +#include "error.h" +#include "force.h" + +#include +#include + +using namespace LAMMPS_NS; + +#define MAXLINE 1024 +#define DELTA 4 +#define PGDELTA 1 + +static const char cite_aip_water[] = + "aip/water/2dm potential doi/10.1021/acs.jpcc.2c08464\n" + "@Article{Feng2023\n" + " author = {Z. Feng, Y. Yao, J. Liu, B. Wu, Z. Liu, and W. Ouyang},\n" + " title = {Registry-Dependent Potential for Interfaces of Water with Graphene},\n" + " journal = {J. Phys. Chem. C},\n" + " volume = 127,\n" + " pages = {8704-8713}\n" + " year = 2023,\n" + "}\n\n"; + +/* ---------------------------------------------------------------------- */ + +PairAIPWATER2DM::PairAIPWATER2DM(LAMMPS *lmp) : PairILPGrapheneHBN(lmp), PairILPTMD(lmp) +{ + variant = AIP_WATER_2DM; + single_enable = 0; + + // for TMD, each atom have six neighbors + Nnei = 6; + + if (lmp->citeme) lmp->citeme->add(cite_aip_water); +} + +/* ---------------------------------------------------------------------- + global settings +------------------------------------------------------------------------- */ + +void PairAIPWATER2DM::settings(int narg, char **arg) +{ + if (narg < 1 || narg > 2) error->all(FLERR, "Illegal pair_style command"); + if (!utils::strmatch(force->pair_style, "^hybrid/overlay")) + error->all(FLERR, "Pair style aip/water/2dm must be used as sub-style with hybrid/overlay"); + + cut_global = utils::numeric(FLERR, arg[0], false, lmp); + if (narg == 2) tap_flag = utils::numeric(FLERR, arg[1], false, lmp); +} diff --git a/src/INTERLAYER/pair_aip_water_2dm.h b/src/INTERLAYER/pair_aip_water_2dm.h new file mode 100644 index 0000000000..295cdfffb9 --- /dev/null +++ b/src/INTERLAYER/pair_aip_water_2dm.h @@ -0,0 +1,39 @@ +/* -*- c++ -*- ---------------------------------------------------------- + LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator + https://www.lammps.org/, Sandia National Laboratories + LAMMPS development team: developers@lammps.org + + Copyright (2003) Sandia Corporation. Under the terms of Contract + DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains + certain rights in this software. This software is distributed under + the GNU General Public License. + + See the README file in the top-level LAMMPS directory. +------------------------------------------------------------------------- */ + +#ifdef PAIR_CLASS +// clang-format off +PairStyle(aip/water/2dm,PairAIPWATER2DM); +// clang-format on +#else + +#ifndef LMP_PAIR_AIP_WATER_2DM_H +#define LMP_PAIR_AIP_WATER_2DM_H + +#include "pair_ilp_tmd.h" + +namespace LAMMPS_NS { + +class PairAIPWATER2DM : virtual public PairILPTMD { + public: + PairAIPWATER2DM(class LAMMPS *); + + protected: + void settings(int, char **) override; + +}; + +} // namespace LAMMPS_NS + +#endif +#endif diff --git a/src/INTERLAYER/pair_coul_shield.cpp b/src/INTERLAYER/pair_coul_shield.cpp index e647e1ea91..a5e3e63442 100644 --- a/src/INTERLAYER/pair_coul_shield.cpp +++ b/src/INTERLAYER/pair_coul_shield.cpp @@ -11,7 +11,7 @@ See the README file in the top-level LAMMPS directory. ------------------------------------------------------------------------- */ /* ---------------------------------------------------------------------- - Contributing author: Wengen Ouyang (Tel Aviv University) + Contributing author: Wengen Ouyang (Wuhan University) e-mail: w.g.ouyang at gmail dot com This is a Coulomb potential described in diff --git a/src/INTERLAYER/pair_ilp_graphene_hbn.cpp b/src/INTERLAYER/pair_ilp_graphene_hbn.cpp index 0ff2811339..69896d7c0b 100644 --- a/src/INTERLAYER/pair_ilp_graphene_hbn.cpp +++ b/src/INTERLAYER/pair_ilp_graphene_hbn.cpp @@ -11,13 +11,11 @@ ------------------------------------------------------------------------- */ /* ---------------------------------------------------------------------- - Contributing author: Wengen Ouyang (Tel Aviv University) + Contributing author: Wengen Ouyang (Wuhan University) e-mail: w.g.ouyang at gmail dot com This is a full version of the potential described in - [Maaravi et al, J. Phys. Chem. C 121, 22826-22835 (2017)] - The definition of normals are the same as that in - [Kolmogorov & Crespi, Phys. Rev. B 71, 235415 (2005)] + [Ouyang et al., J. Chem. Theory Comput. 16(1), 666-676 (2020)] ------------------------------------------------------------------------- */ #include "pair_ilp_graphene_hbn.h" @@ -59,6 +57,7 @@ static const char cite_ilp[] = static std::map variant_map = { {PairILPGrapheneHBN::ILP_GrhBN, "ilp/graphene/hbn"}, {PairILPGrapheneHBN::ILP_TMD, "ilp/tmd"}, + {PairILPGrapheneHBN::AIP_WATER_2DM, "aip/water/2dm"}, {PairILPGrapheneHBN::SAIP_METAL, "saip/metal"}}; /* ---------------------------------------------------------------------- */ @@ -632,7 +631,7 @@ void PairILPGrapheneHBN::calc_FRep(int eflag, int /* vflag */) void PairILPGrapheneHBN::ILP_neigh() { - int i, j, ii, jj, n, allnum, jnum, itype, jtype; + int i, j, ii, jj, n, inum, jnum, itype, jtype; double xtmp, ytmp, ztmp, delx, dely, delz, rsq; int *ilist, *jlist, *numneigh, **firstneigh; int *neighptr; @@ -649,7 +648,7 @@ void PairILPGrapheneHBN::ILP_neigh() (int **) memory->smalloc(maxlocal * sizeof(int *), "ILPGrapheneHBN:firstneigh"); } - allnum = list->inum + list->gnum; + inum = list->inum; ilist = list->ilist; numneigh = list->numneigh; firstneigh = list->firstneigh; @@ -659,7 +658,7 @@ void PairILPGrapheneHBN::ILP_neigh() ipage->reset(); - for (ii = 0; ii < allnum; ii++) { + for (ii = 0; ii < inum; ii++) { i = ilist[ii]; n = 0; diff --git a/src/INTERLAYER/pair_ilp_graphene_hbn.h b/src/INTERLAYER/pair_ilp_graphene_hbn.h index 9987830b1d..e151ecc801 100644 --- a/src/INTERLAYER/pair_ilp_graphene_hbn.h +++ b/src/INTERLAYER/pair_ilp_graphene_hbn.h @@ -39,7 +39,7 @@ class PairILPGrapheneHBN : public Pair { static constexpr int NPARAMS_PER_LINE = 13; - enum { ILP_GrhBN, ILP_TMD, SAIP_METAL }; // for telling class variants apart in shared code + enum { ILP_GrhBN, ILP_TMD, SAIP_METAL, AIP_WATER_2DM }; // for telling class variants apart in shared code protected: int me; diff --git a/src/INTERLAYER/pair_ilp_tmd.cpp b/src/INTERLAYER/pair_ilp_tmd.cpp index c024e23079..fd3a2f8c6f 100644 --- a/src/INTERLAYER/pair_ilp_tmd.cpp +++ b/src/INTERLAYER/pair_ilp_tmd.cpp @@ -15,7 +15,7 @@ e-mail: w.g.ouyang at gmail dot com This is a full version of the potential described in - [Ouyang et al, J. Chem. Theory Comput. 17, 7237 (2021).] + [Ouyang et al., J. Chem. Theory Comput. 17, 7237 (2021).] ------------------------------------------------------------------------- */ #include "pair_ilp_tmd.h" @@ -35,10 +35,6 @@ using namespace LAMMPS_NS; using namespace InterLayer; -#define MAXLINE 1024 -#define DELTA 4 -#define PGDELTA 1 - static const char cite_ilp_tmd[] = "ilp/tmd potential doi:10.1021/acs.jctc.1c00782\n" "@Article{Ouyang2021\n" @@ -232,7 +228,7 @@ void PairILPTMD::calc_FRep(int eflag, int /* vflag */) void PairILPTMD::ILP_neigh() { - int i, j, l, ii, jj, ll, n, allnum, jnum, itype, jtype, ltype, imol, jmol, count; + int i, j, l, ii, jj, ll, n, inum, jnum, itype, jtype, ltype, imol, jmol, count; double xtmp, ytmp, ztmp, delx, dely, delz, deljx, deljy, deljz, rsq, rsqlj; int *ilist, *jlist, *numneigh, **firstneigh; int *neighsort; @@ -249,7 +245,7 @@ void PairILPTMD::ILP_neigh() ILP_firstneigh = (int **) memory->smalloc(maxlocal * sizeof(int *), "ILPTMD:firstneigh"); } - allnum = list->inum + list->gnum; + inum = list->inum; ilist = list->ilist; numneigh = list->numneigh; firstneigh = list->firstneigh; @@ -259,7 +255,7 @@ void PairILPTMD::ILP_neigh() ipage->reset(); - for (ii = 0; ii < allnum; ii++) { + for (ii = 0; ii < inum; ii++) { i = ilist[ii]; //initialize varibles @@ -288,21 +284,21 @@ void PairILPTMD::ILP_neigh() delz = ztmp - x[j][2]; rsq = delx * delx + dely * dely + delz * delz; - // check if the atom i is TMD, i.e., Mo/S/W/Se - if (strcmp(elements[itype], "Mo") == 0 || strcmp(elements[itype], "W") == 0 || - strcmp(elements[itype], "S") == 0 || strcmp(elements[itype], "Se") == 0 || + // check if the atom i is a TMD atom, i.e., Mo/S/W/Se + if (strcmp(elements[itype], "Mo") == 0 || strcmp(elements[itype], "W") == 0 || + strcmp(elements[itype], "S") == 0 || strcmp(elements[itype], "Se") == 0 || strcmp(elements[itype], "Te") == 0) { if (rsq != 0 && rsq < cutILPsq[itype][jtype] && imol == jmol && type[i] == type[j]) { neighptr[n++] = j; } - } else { // atom i is C, B, N or H. + } else { // atom i can be P, C, B, N or H. if (rsq != 0 && rsq < cutILPsq[itype][jtype] && imol == jmol) { neighptr[n++] = j; } } } // loop over jj // if atom i is Mo/W/S/Se/Te, then sorting the orders of neighbors - if (strcmp(elements[itype], "Mo") == 0 || strcmp(elements[itype], "W") == 0 || - strcmp(elements[itype], "S") == 0 || strcmp(elements[itype], "Se") == 0 || + if (strcmp(elements[itype], "Mo") == 0 || strcmp(elements[itype], "W") == 0 || + strcmp(elements[itype], "S") == 0 || strcmp(elements[itype], "Se") == 0 || strcmp(elements[itype], "Te") == 0) { // initialize neighsort for (ll = 0; ll < n; ll++) { @@ -336,9 +332,6 @@ void PairILPTMD::ILP_neigh() } } // end of idenfying the first neighbor } else if (n > Nnei) { - fprintf(screen, "Molecule ID = %d\n", imol); - fprintf(screen, "Atom Type = %d\n", type[i]); - fprintf(screen, "Neinum = %d\n", n); error->one(FLERR, "There are too many neighbors for TMD atoms, please check your configuration"); } @@ -367,11 +360,11 @@ void PairILPTMD::ILP_neigh() ll++; } } // end of sorting the order of neighbors - } else { // for B/N/C/H atoms + } else { // for P/B/N/C/H atoms if (n > 3) error->one( FLERR, - "There are too many neighbors for B/N/C/H atoms, please check your configuration"); + "There are too many neighbors for P/B/N/C/H atoms, please check your configuration"); for (ll = 0; ll < n; ll++) { neighsort[ll] = neighptr[ll]; } } @@ -390,12 +383,14 @@ void PairILPTMD::calc_normal() { int i, j, ii, jj, inum, jnum; int cont, id, ip, m, k, itype; - double nn, xtp, ytp, ztp, delx, dely, delz, nn2; int *ilist, *jlist; + int iH1,iH2,jH1,jH2; double Nave[3], dni[3], dpvdri[3][3]; + double nn, xtp, ytp, ztp, delx, dely, delz, nn2; double **x = atom->x; int *type = atom->type; + tagint *tag = atom->tag; memory->destroy(dnn); memory->destroy(vect); @@ -479,9 +474,60 @@ void PairILPTMD::calc_normal() for (m = 0; m < Nnei; m++) { dnormal[i][id][m][ip] = 0.0; } } } + // for hydrogen in water molecule + if (strcmp(elements[itype], "Hw") == 0) { + if(cont == 0) { + jH1 = atom->map(tag[i] - 1); + jH2 = atom->map(tag[i] - 2); + iH1 = map[type[jH1]]; + iH2 = map[type[jH2]]; + if (strcmp(elements[iH1], "Ow") == 0 ) { + vect[0][0] = x[jH1][0] - xtp; + vect[0][1] = x[jH1][1] - ytp; + vect[0][2] = x[jH1][2] - ztp; + } else if (strcmp(elements[iH2], "Ow") == 0 ) { + vect[0][0] = x[jH2][0] - xtp; + vect[0][1] = x[jH2][1] - ytp; + vect[0][2] = x[jH2][2] - ztp; + } else { + error->one(FLERR, "The order of atoms in water molecule should be O H H !"); + } + } + Nave[0] = vect[0][0]; + Nave[1] = vect[0][1]; + Nave[2] = vect[0][2]; + // the magnitude of the normal vector + nn2 = Nave[0] * Nave[0] + Nave[1] * Nave[1] + Nave[2] * Nave[2]; + nn = sqrt(nn2); + if (nn == 0) error->one(FLERR, "The magnitude of the normal vector is zero"); + // the unit normal vector + normal[i][0] = Nave[0] / nn; + normal[i][1] = Nave[1] / nn; + normal[i][2] = Nave[2] / nn; + + // Calculte dNave/dri, defined as dpvdri + for (id = 0; id < 3; id++) { + for (ip = 0; ip < 3; ip++) { + if (ip == id) { dpvdri[id][ip] = -1.0;} + else {dpvdri[id][ip] = 0.0;} + } + } + + // derivatives of nn, dnn:3x1 vector + dni[0] = (Nave[0] * dpvdri[0][0] + Nave[1] * dpvdri[1][0] + Nave[2] * dpvdri[2][0]) / nn; + dni[1] = (Nave[0] * dpvdri[0][1] + Nave[1] * dpvdri[1][1] + Nave[2] * dpvdri[2][1]) / nn; + dni[2] = (Nave[0] * dpvdri[0][2] + Nave[1] * dpvdri[1][2] + Nave[2] * dpvdri[2][2]) / nn; + // derivatives of unit vector ni respect to ri, the result is 3x3 matrix + for (id = 0; id < 3; id++) { + for (ip = 0; ip < 3; ip++) { + dnormdri[i][id][ip] = dpvdri[id][ip] / nn - Nave[id] * dni[ip] / nn2; + dnormal[i][id][0][ip] = -dnormdri[i][id][ip]; + } + } + } } //############################ For the edge atoms of TMD ################################ - else if (cont < Nnei) { + else if (cont > 1 && cont < Nnei) { if (strcmp(elements[itype], "Mo") == 0 || strcmp(elements[itype], "W") == 0 || strcmp(elements[itype], "S") == 0 || strcmp(elements[itype], "Se") == 0) { // derivatives of Ni[l] respect to the cont neighbors @@ -557,8 +603,7 @@ void PairILPTMD::calc_normal() for (m = 0; m < cont; m++) { for (id = 0; id < 3; id++) { dnn[m][id] = (Nave[0] * dNave[0][m][id] + Nave[1] * dNave[1][m][id] + - Nave[2] * dNave[2][m][id]) / - nn; + Nave[2] * dNave[2][m][id]) / nn; } } // dnormal[i][id][m][ip]: the derivative of normal[i][id] respect to r[m][ip], id,ip=0,1,2. @@ -589,12 +634,99 @@ void PairILPTMD::calc_normal() } } } // for TMD + //############################ For Oxygen in the water molecule ####################### + else if (strcmp(elements[itype], "Ow") == 0) { + if(cont == 0) { + jH1 = atom->map(tag[i] + 1); + jH2 = atom->map(tag[i] + 2); + iH1 = map[type[jH1]]; + iH2 = map[type[jH2]]; + if (strcmp(elements[iH1], "Hw") == 0 && strcmp(elements[iH2], "Hw") == 0) { + vect[0][0] = x[jH1][0] - xtp; + vect[0][1] = x[jH1][1] - ytp; + vect[0][2] = x[jH1][2] - ztp; + + vect[1][0] = x[jH2][0] - xtp; + vect[1][1] = x[jH2][1] - ytp; + vect[1][2] = x[jH2][2] - ztp; + + cont = 2; + } else { + error->one(FLERR, "The order of atoms in water molecule should be O H H !"); + } + } + if (cont == 2) { + Nave[0] = (vect[0][0] + vect[1][0])/cont; + Nave[1] = (vect[0][1] + vect[1][1])/cont; + Nave[2] = (vect[0][2] + vect[1][2])/cont; + // the magnitude of the normal vector + nn2 = Nave[0] * Nave[0] + Nave[1] * Nave[1] + Nave[2] * Nave[2]; + nn = sqrt(nn2); + if (nn == 0) error->one(FLERR, "The magnitude of the normal vector is zero"); + // the unit normal vector + normal[i][0] = Nave[0] / nn; + normal[i][1] = Nave[1] / nn; + normal[i][2] = Nave[2] / nn; + + // derivatives of non-normalized normal vector, dNave:3xcontx3 array + // dNave[id][m][ip]: the derivatve of the id component of Nave + // respect to the ip component of atom m + for (id = 0; id < 3; id++) { + for (ip = 0; ip < 3; ip++) { + for (m = 0; m < cont; m++) { + if (ip == id) { dNave[id][m][ip] = 0.5;} + else {dNave[id][m][ip] = 0.0;} + } + } + } + // derivatives of nn, dnn:contx3 vector + // dnn[m][id]: the derivative of nn respect to r[m][id], m=0,...Nnei-1; id=0,1,2 + // r[m][id]: the id's component of atom m + for (m = 0; m < cont; m++) { + for (id = 0; id < 3; id++) { + dnn[m][id] = (Nave[0] * dNave[0][m][id] + Nave[1] * dNave[1][m][id] + + Nave[2] * dNave[2][m][id]) / nn; + } + } + // dnormal[i][id][m][ip]: the derivative of normal[i][id] respect to r[m][ip], id,ip=0,1,2. + // for atom m, which is a neighbor atom of atom i, m = 0,...,Nnei-1 + for (m = 0; m < cont; m++) { + for (id = 0; id < 3; id++) { + for (ip = 0; ip < 3; ip++) { + dnormal[i][id][m][ip] = dNave[id][m][ip] / nn - Nave[id] * dnn[m][ip] / nn2; + } + } + } + // Calculte dNave/dri, defined as dpvdri + for (id = 0; id < 3; id++) { + for (ip = 0; ip < 3; ip++) { + dpvdri[id][ip] = 0.0; + for (k = 0; k < cont; k++) { dpvdri[id][ip] -= dNave[id][k][ip]; } + } + } + + // derivatives of nn, dnn:3x1 vector + dni[0] = (Nave[0] * dpvdri[0][0] + Nave[1] * dpvdri[1][0] + Nave[2] * dpvdri[2][0]) / nn; + dni[1] = (Nave[0] * dpvdri[0][1] + Nave[1] * dpvdri[1][1] + Nave[2] * dpvdri[2][1]) / nn; + dni[2] = (Nave[0] * dpvdri[0][2] + Nave[1] * dpvdri[1][2] + Nave[2] * dpvdri[2][2]) / nn; + // derivatives of unit vector ni respect to ri, the result is 3x3 matrix + for (id = 0; id < 3; id++) { + for (ip = 0; ip < 3; ip++) { + dnormdri[i][id][ip] = dpvdri[id][ip] / nn - Nave[id] * dni[ip] / nn2; + } + } + } + else if (cont >= 3) { + error->one(FLERR, + "There are too many neighbors for calculating normals of water molecules"); + } + } //############################ For the edge & bulk atoms of GrhBN ################################ else { if (cont == 2) { for (ip = 0; ip < 3; ip++) { pvet[0][ip] = vect[0][modulo(ip + 1, 3)] * vect[1][modulo(ip + 2, 3)] - - vect[0][modulo(ip + 2, 3)] * vect[1][modulo(ip + 1, 3)]; + vect[0][modulo(ip + 2, 3)] * vect[1][modulo(ip + 1, 3)]; } // dpvet1[k][l][ip]: the derivatve of the k (=0,...cont-1)th Nik respect to the ip component of atom l // derivatives respect to atom l @@ -657,8 +789,7 @@ void PairILPTMD::calc_normal() for (m = 0; m < cont; m++) { for (id = 0; id < 3; id++) { dnn[m][id] = (Nave[0] * dNave[0][m][id] + Nave[1] * dNave[1][m][id] + - Nave[2] * dNave[2][m][id]) / - nn; + Nave[2] * dNave[2][m][id]) / nn; } } // dnormal[i][id][m][ip]: the derivative of normal[i][id] respect to r[m][ip], id,ip=0,1,2. diff --git a/src/INTERLAYER/pair_kolmogorov_crespi_full.cpp b/src/INTERLAYER/pair_kolmogorov_crespi_full.cpp index b2eba787b1..b497ae3568 100644 --- a/src/INTERLAYER/pair_kolmogorov_crespi_full.cpp +++ b/src/INTERLAYER/pair_kolmogorov_crespi_full.cpp @@ -12,7 +12,7 @@ ------------------------------------------------------------------------- */ /* ---------------------------------------------------------------------- - Contributing author: Wengen Ouyang (Tel Aviv University) + Contributing author: Wengen Ouyang (Wuhan University) e-mail: w.g.ouyang at gmail dot com based on previous versions by Jaap Kroes diff --git a/src/INTERLAYER/pair_saip_metal.cpp b/src/INTERLAYER/pair_saip_metal.cpp index 05fbfbf7f4..bd327391a4 100644 --- a/src/INTERLAYER/pair_saip_metal.cpp +++ b/src/INTERLAYER/pair_saip_metal.cpp @@ -15,7 +15,7 @@ e-mail: w.g.ouyang at gmail dot com This is a full version of the potential described in - [Ouyang et al, J. Chem. Theory Comput. 17, 7215-7223 (2021)] + [Ouyang et al., J. Chem. Theory Comput. 17, 7215-7223 (2021)] ------------------------------------------------------------------------- */ #include "pair_saip_metal.h" diff --git a/src/KOKKOS/comm_kokkos.cpp b/src/KOKKOS/comm_kokkos.cpp index 7d007a666c..b0394821fc 100644 --- a/src/KOKKOS/comm_kokkos.cpp +++ b/src/KOKKOS/comm_kokkos.cpp @@ -980,9 +980,9 @@ void CommKokkos::borders() } else { atomKK->sync(Host,ALL_MASK); k_sendlist.sync(); - CommBrick::borders(); k_sendlist.modify(); - atomKK->modified(Host,ALL_MASK); + atomKK->modified(Host,ALL_MASK); // needed here for atom map + CommBrick::borders(); } if (comm->nprocs == 1 && !ghost_velocity && !forward_comm_classic) diff --git a/src/MANYBODY/pair_tersoff.cpp b/src/MANYBODY/pair_tersoff.cpp index f38ba00861..c7c45bc865 100644 --- a/src/MANYBODY/pair_tersoff.cpp +++ b/src/MANYBODY/pair_tersoff.cpp @@ -14,7 +14,7 @@ /* ---------------------------------------------------------------------- Contributing author: Aidan Thompson (SNL) - original Tersoff implementation - Wengen Ouyang (TAU) - Shift addition + Wengen Ouyang (WHU) - Shift addition ------------------------------------------------------------------------- */ #include "pair_tersoff.h" diff --git a/src/NETCDF/dump_netcdf.cpp b/src/NETCDF/dump_netcdf.cpp index 6fecf7f41b..0115c0bbe9 100644 --- a/src/NETCDF/dump_netcdf.cpp +++ b/src/NETCDF/dump_netcdf.cpp @@ -195,6 +195,7 @@ DumpNetCDF::DumpNetCDF(LAMMPS *lmp, int narg, char **arg) : type_nc_real = NC_FLOAT; thermo = false; + thermo_warn = true; thermovar = nullptr; framei = 0; @@ -223,7 +224,7 @@ void DumpNetCDF::openfile() if (thermo && !singlefile_opened) { delete[] thermovar; - thermovar = new int[output->thermo->nfield]; + thermovar = new int[*output->thermo->get_nfield()]; } // now the computes and fixes have been initialized, so we can query @@ -321,8 +322,11 @@ void DumpNetCDF::openfile() // perframe variables if (thermo) { Thermo *th = output->thermo; - for (int i = 0; i < th->nfield; i++) { - NCERRX( nc_inq_varid(ncid, th->keyword[i].c_str(), &thermovar[i]), th->keyword[i].c_str() ); + const auto &keywords = th->get_keywords(); + const int nfield = *th->get_nfield(); + + for (int i = 0; i < nfield; i++) { + NCERRX( nc_inq_varid(ncid, keywords[i].c_str(), &thermovar[i]), keywords[i].c_str() ); } } @@ -433,21 +437,17 @@ void DumpNetCDF::openfile() // perframe variables if (thermo) { Thermo *th = output->thermo; - for (int i = 0; i < th->nfield; i++) { - if (th->vtype[i] == Thermo::FLOAT) { - NCERRX( nc_def_var(ncid, th->keyword[i].c_str(), type_nc_real, 1, dims, - &thermovar[i]), th->keyword[i].c_str() ); - } else if (th->vtype[i] == Thermo::INT) { - NCERRX( nc_def_var(ncid, th->keyword[i].c_str(), NC_INT, 1, dims, - &thermovar[i]), th->keyword[i].c_str() ); - } else if (th->vtype[i] == Thermo::BIGINT) { -#if defined(LAMMPS_SMALLBIG) || defined(LAMMPS_BIGBIG) - NCERRX( nc_def_var(ncid, th->keyword[i].c_str(), NC_INT64, 1, dims, - &thermovar[i]), th->keyword[i].c_str() ); -#else - NCERRX( nc_def_var(ncid, th->keyword[i].c_str(), NC_LONG, 1, dims, - &thermovar[i]), th->keyword[i].c_str() ); -#endif + const auto &fields = th->get_fields(); + const auto &keywords = th->get_keywords(); + const int nfield = *th->get_nfield(); + + for (int i = 0; i < nfield; i++) { + if (fields[i].type == multitype::DOUBLE) { + NCERRX( nc_def_var(ncid, keywords[i].c_str(), type_nc_real, 1, dims, &thermovar[i]), keywords[i].c_str() ); + } else if (fields[i].type == multitype::INT) { + NCERRX( nc_def_var(ncid, keywords[i].c_str(), NC_INT, 1, dims, &thermovar[i]), keywords[i].c_str() ); + } else if (fields[i].type == multitype::BIGINT) { + NCERRX( nc_def_var(ncid, keywords[i].c_str(), NC_INT64, 1, dims, &thermovar[i]), keywords[i].c_str() ); } } } @@ -606,19 +606,30 @@ void DumpNetCDF::write() if (thermo) { Thermo *th = output->thermo; - for (int i = 0; i < th->nfield; i++) { - th->call_vfunc(i); + + // will output current thermo data only on timesteps where it was computed. + // warn (once) about using cached copy from old timestep. + + if (thermo_warn && (update->ntimestep != *th->get_timestep())) { + thermo_warn = false; + if (comm->me == 0) { + error->warning(FLERR, "Dump {} output on incompatible timestep with thermo output: {} vs {} \n" + " Dump netcdf always stores thermo data from last thermo output", + id, *th->get_timestep(), update->ntimestep); + } + } + + const auto &keywords = th->get_keywords(); + const auto &fields = th->get_fields(); + int nfield = *th->get_nfield(); + for (int i = 0; i < nfield; i++) { if (filewriter) { - if (th->vtype[i] == Thermo::FLOAT) { - NCERRX( nc_put_var1_double(ncid, thermovar[i], start, - &th->dvalue), - th->keyword[i].c_str() ); - } else if (th->vtype[i] == Thermo::INT) { - NCERRX( nc_put_var1_int(ncid, thermovar[i], start, &th->ivalue), - th->keyword[i].c_str() ); - } else if (th->vtype[i] == Thermo::BIGINT) { - NCERRX( nc_put_var1_bigint(ncid, thermovar[i], start, &th->bivalue), - th->keyword[i].c_str() ); + if (fields[i].type == multitype::DOUBLE) { + NCERRX( nc_put_var1_double(ncid, thermovar[i], start, &fields[i].data.d), keywords[i].c_str() ); + } else if (fields[i].type == multitype::INT) { + NCERRX( nc_put_var1_int(ncid, thermovar[i], start, &fields[i].data.i), keywords[i].c_str() ); + } else if (fields[i].type == multitype::BIGINT) { + NCERRX( nc_put_var1_bigint(ncid, thermovar[i], start, &fields[i].data.b), keywords[i].c_str() ); } } } diff --git a/src/NETCDF/dump_netcdf.h b/src/NETCDF/dump_netcdf.h index 20c60ef104..982cd99fb5 100644 --- a/src/NETCDF/dump_netcdf.h +++ b/src/NETCDF/dump_netcdf.h @@ -65,6 +65,7 @@ class DumpNetCDF : public DumpCustom { int type_nc_real; // netcdf type to use for real variables: float or double bool thermo; // write thermo output to netcdf file + bool thermo_warn; // warn (once) that thermo output is on incompatible step bigint n_buffer; // size of buffer bigint *int_buffer; // buffer for passing data to netcdf diff --git a/src/NETCDF/dump_netcdf_mpiio.cpp b/src/NETCDF/dump_netcdf_mpiio.cpp index 0282903d77..f9382dacef 100644 --- a/src/NETCDF/dump_netcdf_mpiio.cpp +++ b/src/NETCDF/dump_netcdf_mpiio.cpp @@ -192,6 +192,7 @@ DumpNetCDFMPIIO::DumpNetCDFMPIIO(LAMMPS *lmp, int narg, char **arg) : type_nc_real = NC_FLOAT; thermo = false; + thermo_warn = true; thermovar = nullptr; framei = 0; @@ -220,7 +221,7 @@ void DumpNetCDFMPIIO::openfile() if (thermo && !singlefile_opened) { delete[] thermovar; - thermovar = new int[output->thermo->nfield]; + thermovar = new int[*output->thermo->get_nfield()]; } // now the computes and fixes have been initialized, so we can query @@ -319,8 +320,11 @@ void DumpNetCDFMPIIO::openfile() // perframe variables if (thermo) { Thermo *th = output->thermo; - for (int i = 0; i < th->nfield; i++) { - NCERRX( ncmpi_inq_varid(ncid, th->keyword[i].c_str(), &thermovar[i]), th->keyword[i].c_str() ); + const auto &keywords = th->get_keywords(); + const int nfield = *th->get_nfield(); + + for (int i = 0; i < nfield; i++) { + NCERRX( ncmpi_inq_varid(ncid, keywords[i].c_str(), &thermovar[i]), keywords[i].c_str() ); } } @@ -423,17 +427,17 @@ void DumpNetCDFMPIIO::openfile() // perframe variables if (thermo) { Thermo *th = output->thermo; - for (int i = 0; i < th->nfield; i++) { - if (th->vtype[i] == Thermo::FLOAT) { - NCERRX( ncmpi_def_var(ncid, th->keyword[i].c_str(), type_nc_real, 1, dims, &thermovar[i]), th->keyword[i].c_str() ); - } else if (th->vtype[i] == Thermo::INT) { - NCERRX( ncmpi_def_var(ncid, th->keyword[i].c_str(), NC_INT, 1, dims, &thermovar[i]), th->keyword[i].c_str() ); - } else if (th->vtype[i] == Thermo::BIGINT) { -#if defined(LAMMPS_SMALLBIG) || defined(LAMMPS_BIGBIG) - NCERRX( ncmpi_def_var(ncid, th->keyword[i].c_str(), NC_INT64, 1, dims, &thermovar[i]), th->keyword[i].c_str() ); -#else - NCERRX( ncmpi_def_var(ncid, th->keyword[i].c_str(), NC_LONG, 1, dims, &thermovar[i]), th->keyword[i].c_str() ); -#endif + const auto &fields = th->get_fields(); + const auto &keywords = th->get_keywords(); + const int nfield = *th->get_nfield(); + + for (int i = 0; i < nfield; i++) { + if (fields[i].type == multitype::DOUBLE) { + NCERRX( ncmpi_def_var(ncid, keywords[i].c_str(), type_nc_real, 1, dims, &thermovar[i]), keywords[i].c_str() ); + } else if (fields[i].type == multitype::INT) { + NCERRX( ncmpi_def_var(ncid, keywords[i].c_str(), NC_INT, 1, dims, &thermovar[i]), keywords[i].c_str() ); + } else if (fields[i].type == multitype::BIGINT) { + NCERRX( ncmpi_def_var(ncid, keywords[i].c_str(), NC_INT64, 1, dims, &thermovar[i]), keywords[i].c_str() ); } } } @@ -595,25 +599,36 @@ void DumpNetCDFMPIIO::write() if (thermo) { Thermo *th = output->thermo; - for (int i = 0; i < th->nfield; i++) { - th->call_vfunc(i); + + // will output current thermo data only on timesteps where it was computed. + // warn (once) about using cached copy from old timestep. + + if (thermo_warn && (update->ntimestep != *th->get_timestep())) { + thermo_warn = false; + if (comm->me == 0) { + error->warning(FLERR, "Dump {} output on incompatible timestep with thermo output: {} vs {} \n" + " Dump netcdf/mpiio always stores thermo data from last thermo output", + id, *th->get_timestep(), update->ntimestep); + } + } + + const auto &keywords = th->get_keywords(); + const auto &fields = th->get_fields(); + int nfield = *th->get_nfield(); + for (int i = 0; i < nfield; i++) { if (filewriter) { - if (th->vtype[i] == Thermo::FLOAT) { - NCERRX( ncmpi_put_var1_double(ncid, thermovar[i], start, - &th->dvalue), - th->keyword[i].c_str() ); - } else if (th->vtype[i] == Thermo::INT) { - NCERRX( ncmpi_put_var1_int(ncid, thermovar[i], start, &th->ivalue), - th->keyword[i].c_str() ); - } else if (th->vtype[i] == Thermo::BIGINT) { - NCERRX( ncmpi_put_var1_bigint(ncid, thermovar[i], start, &th->bivalue), - th->keyword[i].c_str() ); + if (fields[i].type == multitype::DOUBLE) { + NCERRX( ncmpi_put_var1_double(ncid, thermovar[i], start, &fields[i].data.d), keywords[i].c_str() ); + } else if (fields[i].type == multitype::INT) { + NCERRX( ncmpi_put_var1_int(ncid, thermovar[i], start, &fields[i].data.i), keywords[i].c_str() ); + } else if (fields[i].type == multitype::BIGINT) { + NCERRX( ncmpi_put_var1_bigint(ncid, thermovar[i], start, &fields[i].data.b), keywords[i].c_str() ); } } } } - // write timestep header + // write timestep header write_time_and_cell(); diff --git a/src/NETCDF/dump_netcdf_mpiio.h b/src/NETCDF/dump_netcdf_mpiio.h index 5948dc272b..14ee930e26 100644 --- a/src/NETCDF/dump_netcdf_mpiio.h +++ b/src/NETCDF/dump_netcdf_mpiio.h @@ -62,6 +62,7 @@ class DumpNetCDFMPIIO : public DumpCustom { int type_nc_real; // netcdf type to use for real variables: float or double bool thermo; // write thermo output to netcdf file + bool thermo_warn; // warn (once) that thermo output is on incompatible step bigint n_buffer; // size of buffer bigint *int_buffer; // buffer for passing data to netcdf diff --git a/src/OPT/pair_aip_water_2dm_opt.cpp b/src/OPT/pair_aip_water_2dm_opt.cpp new file mode 100644 index 0000000000..47c8c395db --- /dev/null +++ b/src/OPT/pair_aip_water_2dm_opt.cpp @@ -0,0 +1,63 @@ +/* ---------------------------------------------------------------------- + LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator + https://www.lammps.org/, Sandia National Laboratories + LAMMPS development team: developers@lammps.org + + Copyright (2003) Sandia Corporation. Under the terms of Contract + DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains + certain rights in this software. This software is distributed under the GNU General Public License. + + See the README file in the top-level LAMMPS directory. +------------------------------------------------------------------------- */ + +/* ---------------------------------------------------------------------- + This is an optimized version of aip/water/2dm based on the contribution of: + author: Wengen Ouyang (Wuhan University) + e-mail: w.g.ouyang at gmail dot com + + Optimizations are done by: + author1: Xiaohui Duan (National Supercomputing Center in Wuxi, China) + e-mail: sunrise_duan at 126 dot com + + author2: Ping Gao (National Supercomputing Center in Wuxi, China) + e-mail: qdgaoping at gmail dot com + + Optimizations are described in: + Gao, Ping and Duan, Xiaohui, et al.: + LMFF: Efficient and Scalable Layered Materials Force Field on Heterogeneous Many-Core Processors + DOI: 10.1145/3458817.3476137 + + Potential is described by: + [Feng and Ouyang et al, J. Phys. Chem. C 127, 8704-8713 (2023).] +*/ +#include "pair_aip_water_2dm_opt.h" + +#include "atom.h" +#include "memory.h" + +#include + +using namespace LAMMPS_NS; + +PairAIPWATER2DMOpt::PairAIPWATER2DMOpt(LAMMPS *lmp) : + PairILPGrapheneHBN(lmp), PairILPTMD(lmp), PairAIPWATER2DM(lmp), PairILPGrapheneHBNOpt(lmp) +{ +} + +void PairAIPWATER2DMOpt::coeff(int narg, char **args) +{ + PairILPTMD::coeff(narg, args); + memory->create(special_type, atom->ntypes + 1, "PairAIPWATER2DMOpt:check_sublayer"); + for (int i = 1; i <= atom->ntypes; i++) { + int itype = map[i]; + if (strcmp(elements[itype], "Mo") == 0 || strcmp(elements[itype], "W") == 0 || + strcmp(elements[itype], "S") == 0 || strcmp(elements[itype], "Se") == 0 || + strcmp(elements[itype], "Te") == 0) { + special_type[i] = TMD_METAL; + } else if (strcmp(elements[itype], "Hw") == 0 || strcmp(elements[itype], "Ow") == 0) { + special_type[i] = WATER; + } else { + special_type[i] = NOT_SPECIAL; + } + } +} diff --git a/src/OPT/pair_aip_water_2dm_opt.h b/src/OPT/pair_aip_water_2dm_opt.h new file mode 100644 index 0000000000..50b5043360 --- /dev/null +++ b/src/OPT/pair_aip_water_2dm_opt.h @@ -0,0 +1,38 @@ + /* -*- c++ -*- ---------------------------------------------------------- + LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator + https://www.lammps.org/, Sandia National Laboratories + LAMMPS development team: developers@lammps.org + + Copyright (2003) Sandia Corporation. Under the terms of Contract + DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains + certain rights in this software. This software is distributed under + the GNU General Public License. + + See the README file in the top-level LAMMPS directory. +------------------------------------------------------------------------- */ + +#ifdef PAIR_CLASS +// clang-format off +PairStyle(aip/water/2dm/opt,PairAIPWATER2DMOpt); +// clang-format on +#else + +#ifndef LMP_PAIR_AIP_WATER_2DM_OPT_H +#define LMP_PAIR_AIP_WATER_2DM_OPT_H + +#include "pair_ilp_graphene_hbn_opt.h" +#include "pair_aip_water_2dm.h" + +namespace LAMMPS_NS { + +class PairAIPWATER2DMOpt : public PairAIPWATER2DM, public PairILPGrapheneHBNOpt { + public: + PairAIPWATER2DMOpt(class LAMMPS *); + void coeff(int narg, char **args) override; + + protected: +}; + +} // namespace LAMMPS_NS +#endif +#endif diff --git a/src/OPT/pair_ilp_graphene_hbn_opt.cpp b/src/OPT/pair_ilp_graphene_hbn_opt.cpp index 586c44be08..5cb896223e 100644 --- a/src/OPT/pair_ilp_graphene_hbn_opt.cpp +++ b/src/OPT/pair_ilp_graphene_hbn_opt.cpp @@ -11,12 +11,24 @@ ------------------------------------------------------------------------- */ /* ---------------------------------------------------------------------- - Optimization author1: Ping Gao (National Supercomputing Center in Wuxi, China) + This is an optimized version of ilp/graphene/hbn based on the contirubtion of: + author: Wengen Ouyang (Wuhan University, China) + e-mail: w.g.ouyang at gmail dot com + + Optimizations are done by: + author1: Ping Gao (National Supercomputing Center in Wuxi, China) implements the base ILP potential. e-mail: qdgaoping at gmail dot com - Optimization author2: Xiaohui Duan (National Supercomputing Center in Wuxi, China) + + author2: Xiaohui Duan (Shandong University, China) adjusts the framework to adopt SAIP, TMD, WATER2DM, etc. e-mail: sunrise_duan at 126 dot com - Provides some bugfixes and performance optimizations in this potential. + Optimizations are described in: + Gao, Ping and Duan, Xiaohui, et al: + LMFF: Efficient and Scalable Layered Materials Force Field on Heterogeneous Many-Core Processors + DOI: 10.1145/3458817.3476137 + + Potential is described by: + [Ouyang et al., J. Chem. Theory Comput. 16(1), 666-676 (2020)] */ #include "pair_ilp_graphene_hbn_opt.h" @@ -28,19 +40,21 @@ #include "interlayer_taper.h" #include "memory.h" #include "neigh_list.h" +#include "neigh_request.h" #include "neighbor.h" +#include "pointers.h" #include -#include +#include using namespace LAMMPS_NS; using namespace InterLayer; static const char cite_ilp_cur[] = - "ilp/graphene/hbn/opt potential: doi:10.1145/3458817.3476137\n" + "ilp/graphene/hbn/opt potential doi:10.1145/3458817.3476137\n" "@inproceedings{gao2021lmff\n" - " author = {Gao, Ping and Duan, Xiaohui and others},\n" - " title = {{LMFF}: Efficient and Scalable Layered Materials Force Field on Heterogeneous " + " author = {Gao, Ping and Duan, Xiaohui and Others},\n" + " title = {LMFF: Efficient and Scalable Layered Materials Force Field on Heterogeneous " "Many-Core Processors},\n" " year = {2021},\n" " isbn = {9781450384421},\n" @@ -50,14 +64,12 @@ static const char cite_ilp_cur[] = " doi = {10.1145/3458817.3476137},\n" " booktitle = {Proceedings of the International Conference for High Performance Computing, " "Networking, Storage and Analysis},\n" - " pages = {42},\n" + " articleno = {42},\n" " numpages = {14},\n" - " location = {St.~Louis, Missouri},\n" + " location = {St. Louis, Missouri},\n" " series = {SC'21},\n" "}\n\n"; -static bool check_vdw(tagint itag, tagint jtag, double *xi, double *xj); - /* ---------------------------------------------------------------------- */ PairILPGrapheneHBNOpt::PairILPGrapheneHBNOpt(LAMMPS *lmp) : @@ -168,6 +180,36 @@ void PairILPGrapheneHBNOpt::compute(int eflag, int vflag) } } } + } else if (variant == AIP_WATER_2DM) { + if (eflag_global || eflag_atom) { + if (vflag_either) { + if (tap_flag) { + eval<6, 1, 1, 1, AIP_WATER_2DM>(); + } else { + eval<6, 1, 1, 0, AIP_WATER_2DM>(); + } + } else { + if (tap_flag) { + eval<6, 1, 0, 1, AIP_WATER_2DM>(); + } else { + eval<6, 1, 0, 0, AIP_WATER_2DM>(); + } + } + } else { + if (vflag_either) { + if (tap_flag) { + eval<6, 0, 1, 1, AIP_WATER_2DM>(); + } else { + eval<6, 0, 1, 0, AIP_WATER_2DM>(); + } + } else { + if (tap_flag) { + eval<6, 0, 0, 1, AIP_WATER_2DM>(); + } else { + eval<6, 0, 0, 0, AIP_WATER_2DM>(); + } + } + } } else if (variant == SAIP_METAL) { if (eflag_global || eflag_atom) { if (vflag_either) { @@ -255,7 +297,7 @@ void PairILPGrapheneHBNOpt::eval() rsq = delx * delx + dely * dely + delz * delz; if (rsq != 0 && rsq < cutILPsq[itype_map][jtype]) { - if (VARIANT == ILP_TMD && special_type[itype] && itype != type[j]) continue; + if ((VARIANT == ILP_TMD || VARIANT == AIP_WATER_2DM) && special_type[itype] == TMD_METAL && itype != type[j]) continue; if (ILP_nneigh >= MAX_NNEIGH) { error->one(FLERR, "There are too many neighbors for calculating normals"); } @@ -269,7 +311,8 @@ void PairILPGrapheneHBNOpt::eval() dproddni[2] = 0.0; double norm[3], dnormdxi[3][3], dnormdxk[MAX_NNEIGH][3][3]; - calc_normal(i, ILP_neigh, ILP_nneigh, norm, dnormdxi, dnormdxk); + + calc_atom_normal(i, itype, ILP_neigh, ILP_nneigh, norm, dnormdxi, dnormdxk); for (jj = 0; jj < jnum_inter; jj++) { j = jlist_inter[jj]; @@ -298,7 +341,7 @@ void PairILPGrapheneHBNOpt::eval() Tap = 1.0; dTap = 0.0; } - if (VARIANT != SAIP_METAL || !special_type[itype]) { + if (VARIANT != SAIP_METAL || special_type[itype] != SAIP_BNCH) { // Calculate the transverse distance prodnorm1 = norm[0] * delx + norm[1] * dely + norm[2] * delz; rhosq1 = rsq - prodnorm1 * prodnorm1; // rho_ij @@ -310,7 +353,7 @@ void PairILPGrapheneHBNOpt::eval() frho1 = exp1 * p.C; Erep = 0.5 * p.epsilon + frho1; - if (VARIANT == SAIP_METAL && special_type[jtype]) { Erep += 0.5 * p.epsilon + p.C; } + if (VARIANT == SAIP_METAL && special_type[jtype] == SAIP_BNCH) { Erep += 0.5 * p.epsilon + p.C; } Vilp = exp0 * Erep; // derivatives @@ -428,6 +471,18 @@ inline void deriv_normal(double dndr[3][3], double *del, double *n, double rnnor dndr[1][2] = (del[1] * n[0] * n[1] + del[0] * (n[0] * n[0] + n[2] * n[2])) * rnnorm; dndr[2][2] = (del[1] * n[0] * n[2] - del[0] * n[1] * n[2]) * rnnorm; } +inline void deriv_hat(double dnhatdn[3][3], double *n, double rnnorm, double factor){ + double cfactor = rnnorm * factor; + dnhatdn[0][0] = (n[1]*n[1]+n[2]*n[2])*cfactor; + dnhatdn[1][0] = -n[1]*n[0]*cfactor; + dnhatdn[2][0] = -n[2]*n[0]*cfactor; + dnhatdn[0][1] = -n[0]*n[1]*cfactor; + dnhatdn[1][1] = (n[0]*n[0]+n[2]*n[2])*cfactor; + dnhatdn[2][1] = -n[2]*n[1]*cfactor; + dnhatdn[0][2] = -n[0]*n[2]*cfactor; + dnhatdn[1][2] = -n[1]*n[2]*cfactor; + dnhatdn[2][2] = (n[0]*n[0]+n[1]*n[1])*cfactor; +} inline double normalize_factor(double *n) { double nnorm = sqrt(n[0] * n[0] + n[1] * n[1] + n[2] * n[2]); @@ -441,7 +496,7 @@ inline double normalize_factor(double *n) Yet another normal calculation method for simpiler code. */ template -void PairILPGrapheneHBNOpt::calc_normal(int i, int *ILP_neigh, int nneigh, double *n, +void PairILPGrapheneHBNOpt::calc_atom_normal(int i, int itype, int *ILP_neigh, int nneigh, double *n, double (*dnormdri)[3], double (*dnormdrk)[3][3]) { double **x = atom->x; @@ -475,6 +530,32 @@ void PairILPGrapheneHBNOpt::calc_normal(int i, int *ILP_neigh, int nneigh, doubl vet[jj][2] = x[j][2] - x[i][2]; } + //specialize for AIP_WATER_2DM for hydrogen has special normal vector rule + if (variant == AIP_WATER_2DM && special_type[itype] == WATER) { + if (nneigh == 1){ + n[0] = vet[0][0]; + n[1] = vet[0][1]; + n[2] = vet[0][2]; + + double rnnorm = normalize_factor(n); + + deriv_hat(dnormdri, n, rnnorm, -1.0); + deriv_hat(dnormdrk[0], n, rnnorm, 1.0); + + } else if (nneigh == 2){ + n[0] = (vet[0][0] + vet[1][0])*0.5; + n[1] = (vet[0][1] + vet[1][1])*0.5; + n[2] = (vet[0][2] + vet[1][2])*0.5; + double rnnorm = normalize_factor(n); + + deriv_hat(dnormdri, n, rnnorm, -1.0); + deriv_hat(dnormdrk[0], n, rnnorm, 0.5); + deriv_hat(dnormdrk[1], n, rnnorm, 0.5); + } else { + error->one(FLERR, "malformed water"); + } + return; + } if (nneigh <= 1) { n[0] = 0.0; n[1] = 0.0; diff --git a/src/OPT/pair_ilp_graphene_hbn_opt.h b/src/OPT/pair_ilp_graphene_hbn_opt.h index 0721014e00..01b66bb2fa 100644 --- a/src/OPT/pair_ilp_graphene_hbn_opt.h +++ b/src/OPT/pair_ilp_graphene_hbn_opt.h @@ -35,7 +35,7 @@ class PairILPGrapheneHBNOpt : virtual public PairILPGrapheneHBN { protected: void update_internal_list(); template - void calc_normal(int i, int *ILP_neigh, int nneigh, double *normal, double (*dnormdri)[3], + void calc_atom_normal(int i, int itype, int *ILP_neigh, int nneigh, double *normal, double (*dnormdri)[3], double (*dnormdrk)[3][3]); template void eval(); @@ -44,6 +44,14 @@ class PairILPGrapheneHBNOpt : virtual public PairILPGrapheneHBN { int *special_type; int *num_intra, *num_inter, *num_vdw; int inum_max, jnum_max; + + enum special_type_const { + NOT_SPECIAL = 0, + TMD_METAL, + SAIP_BNCH, + WATER, + }; + }; } // namespace LAMMPS_NS diff --git a/src/OPT/pair_ilp_tmd_opt.cpp b/src/OPT/pair_ilp_tmd_opt.cpp index 834f2a0c9f..3fa95b7e10 100644 --- a/src/OPT/pair_ilp_tmd_opt.cpp +++ b/src/OPT/pair_ilp_tmd_opt.cpp @@ -23,7 +23,7 @@ e-mail: qdgaoping at gmail dot com Optimizations are described in: - Gao, Ping and Duan, Xiaohui, et al: + Gao, Ping and Duan, Xiaohui, et al.: LMFF: Efficient and Scalable Layered Materials Force Field on Heterogeneous Many-Core Processors DOI: 10.1145/3458817.3476137 diff --git a/src/REAXFF/fix_reaxff_species.cpp b/src/REAXFF/fix_reaxff_species.cpp index 92bca99ae0..8fa06cafb3 100644 --- a/src/REAXFF/fix_reaxff_species.cpp +++ b/src/REAXFF/fix_reaxff_species.cpp @@ -48,15 +48,16 @@ using namespace LAMMPS_NS; using namespace FixConst; static const char cite_reaxff_species_delete[] = - "fix reaxff/species, 'delete' keyword: https://doi.org/10.1016/j.carbon.2022.11.002\n\n" - "@Article{Gissinger23,\n" - " author = {J. R. Gissinger, S. R. Zavada, J. G. Smith, J. Kemppainen, I. Gallegos, G. M. Odegard, E. J. Siochi, K. E. Wise},\n" - " title = {Predicting char yield of high-temperature resins},\n" - " journal = {Carbon},\n" - " year = 2023,\n" - " volume = 202,\n" - " pages = {336-347}\n" - "}\n\n"; + "fix reaxff/species, 'delete' keyword: https://doi.org/10.1016/j.carbon.2022.11.002\n\n" + "@Article{Gissinger23,\n" + " author = {J. R. Gissinger, S. R. Zavada, J. G. Smith, J. Kemppainen, I. Gallegos, G. M. " + "Odegard, E. J. Siochi, K. E. Wise},\n" + " title = {Predicting char yield of high-temperature resins},\n" + " journal = {Carbon},\n" + " year = 2023,\n" + " volume = 202,\n" + " pages = {336-347}\n" + "}\n\n"; /* ---------------------------------------------------------------------- */ @@ -148,13 +149,11 @@ FixReaxFFSpecies::FixReaxFFSpecies(LAMMPS *lmp, int narg, char **arg) : setupflag = 0; // set default bond order cutoff - int itype, jtype; - double bo_cut; - bg_cut = 0.30; + double bo_cut = 0.30; int np1 = ntypes + 1; memory->create(BOCut, np1, np1, "reaxff/species:BOCut"); for (int i = 1; i < np1; i++) - for (int j = 1; j < np1; j++) BOCut[i][j] = bg_cut; + for (int j = 1; j < np1; j++) BOCut[i][j] = bo_cut; // optional args eletype = nullptr; @@ -172,16 +171,19 @@ FixReaxFFSpecies::FixReaxFFSpecies(LAMMPS *lmp, int narg, char **arg) : // set BO cutoff if (strcmp(arg[iarg], "cutoff") == 0) { if (iarg + 4 > narg) utils::missing_cmd_args(FLERR, "fix reaxff/species cutoff", error); - itype = utils::inumeric(FLERR, arg[iarg + 1], false, lmp); - jtype = utils::inumeric(FLERR, arg[iarg + 2], false, lmp); + int ilo, ihi, jlo, jhi; + utils::bounds(FLERR, arg[iarg + 1], 1, atom->ntypes, ilo, ihi, error); + utils::bounds(FLERR, arg[iarg + 2], 1, atom->ntypes, jlo, jhi, error); bo_cut = utils::numeric(FLERR, arg[iarg + 3], false, lmp); - if ((itype <= 0) || (jtype <= 0) || (itype > ntypes) || (jtype > ntypes)) - error->all(FLERR, "Fix reaxff/species cutoff atom type(s) out of range"); if ((bo_cut > 1.0) || (bo_cut < 0.0)) error->all(FLERR, "Fix reaxff/species invalid cutoff value: {}", bo_cut); - BOCut[itype][jtype] = bo_cut; - BOCut[jtype][itype] = bo_cut; + for (int i = ilo; i <= ihi; ++i) { + for (int j = MAX(jlo, i); j <= jhi; ++j) { + BOCut[i][j] = bo_cut; + BOCut[j][i] = bo_cut; + } + } iarg += 4; // modify element type names @@ -240,17 +242,21 @@ FixReaxFFSpecies::FixReaxFFSpecies(LAMMPS *lmp, int narg, char **arg) : error->all(FLERR, "Unknown fix reaxff/species delete option: {}", arg[iarg]); // rate limit when deleting molecules } else if (strcmp(arg[iarg], "delete_rate_limit") == 0) { - if (iarg + 3 > narg) utils::missing_cmd_args(FLERR, "fix reaxff/species delete_rate_limit", error); + if (iarg + 3 > narg) + utils::missing_cmd_args(FLERR, "fix reaxff/species delete_rate_limit", error); delete_Nlimit_varid = -1; - if (strncmp(arg[iarg+1],"v_",2) == 0) { - delete_Nlimit_varname = &arg[iarg+1][2]; + if (strncmp(arg[iarg + 1], "v_", 2) == 0) { + delete_Nlimit_varname = &arg[iarg + 1][2]; delete_Nlimit_varid = input->variable->find(delete_Nlimit_varname.c_str()); if (delete_Nlimit_varid < 0) - error->all(FLERR,"Fix reaxff/species: Variable name {} does not exist",delete_Nlimit_varname); + error->all(FLERR, "Fix reaxff/species: Variable name {} does not exist", + delete_Nlimit_varname); if (!input->variable->equalstyle(delete_Nlimit_varid)) - error->all(FLERR,"Fix reaxff/species: Variable {} is not equal-style",delete_Nlimit_varname); - } else delete_Nlimit = utils::numeric(FLERR, arg[iarg+1], false, lmp); - delete_Nsteps = utils::numeric(FLERR, arg[iarg+2], false, lmp); + error->all(FLERR, "Fix reaxff/species: Variable {} is not equal-style", + delete_Nlimit_varname); + } else + delete_Nlimit = utils::numeric(FLERR, arg[iarg + 1], false, lmp); + delete_Nsteps = utils::numeric(FLERR, arg[iarg + 2], false, lmp); iarg += 3; // position of molecules } else if (strcmp(arg[iarg], "position") == 0) { @@ -292,10 +298,9 @@ FixReaxFFSpecies::FixReaxFFSpecies(LAMMPS *lmp, int narg, char **arg) : if (delete_Nsteps > 0) { if (lmp->citeme) lmp->citeme->add(cite_reaxff_species_delete); - memory->create(delete_Tcount,delete_Nsteps,"reaxff/species:delete_Tcount"); + memory->create(delete_Tcount, delete_Nsteps, "reaxff/species:delete_Tcount"); - for (int i = 0; i < delete_Nsteps; i++) - delete_Tcount[i] = -1; + for (int i = 0; i < delete_Nsteps; i++) delete_Tcount[i] = -1; delete_Tcount[0] = 0; } @@ -393,9 +398,11 @@ void FixReaxFFSpecies::init() if (delete_Nsteps > 0) { delete_Nlimit_varid = input->variable->find(delete_Nlimit_varname.c_str()); if (delete_Nlimit_varid < 0) - error->all(FLERR,"Fix reaxff/species: Variable name {} does not exist",delete_Nlimit_varname); + error->all(FLERR, "Fix reaxff/species: Variable name {} does not exist", + delete_Nlimit_varname); if (!input->variable->equalstyle(delete_Nlimit_varid)) - error->all(FLERR,"Fix reaxff/species: Variable {} is not equal-style",delete_Nlimit_varname); + error->all(FLERR, "Fix reaxff/species: Variable {} is not equal-style", + delete_Nlimit_varname); } } @@ -427,8 +434,7 @@ void FixReaxFFSpecies::Output_ReaxFF_Bonds(bigint ntimestep, FILE * /*fp*/) if (ntimestep != nvalid) { // push back delete_Tcount on every step if (delete_Nsteps > 0) - for (int i = delete_Nsteps-1; i > 0; i--) - delete_Tcount[i] = delete_Tcount[i-1]; + for (int i = delete_Nsteps - 1; i > 0; i--) delete_Tcount[i] = delete_Tcount[i - 1]; return; } @@ -732,31 +738,31 @@ void FixReaxFFSpecies::WriteFormulas(int Nmole, int Nspec) int i, j, itemp; bigint ntimestep = update->ntimestep; - fprintf(fp, "# Timestep No_Moles No_Specs "); + fprintf(fp, "# Timestep No_Moles No_Specs"); Nmoltype = 0; for (i = 0; i < Nspec; i++) nd[i] = CheckExistence(i, ntypes); for (i = 0; i < Nmoltype; i++) { + std::string molname; for (j = 0; j < ntypes; j++) { itemp = MolType[ntypes * i + j]; if (itemp != 0) { if (eletype) - fprintf(fp, "%s", eletype[j]); + molname += eletype[j]; else - fprintf(fp, "%c", ele[j]); - if (itemp != 1) fprintf(fp, "%d", itemp); + molname += ele[j]; + if (itemp != 1) molname += std::to_string(itemp); } } - fputs("\t", fp); + fmt::print(fp, " {:>11}", molname); } fputs("\n", fp); - fmt::print(fp, "{} {:11} {:11}\t", ntimestep, Nmole, Nspec); - - for (i = 0; i < Nmoltype; i++) fprintf(fp, " %d\t", NMol[i]); - fprintf(fp, "\n"); + fmt::print(fp, "{:>11} {:>11} {:>11}", ntimestep, Nmole, Nspec); + for (i = 0; i < Nmoltype; i++) fmt::print(fp, " {:>11}", NMol[i]); + fputs("\n", fp); } /* ---------------------------------------------------------------------- */ @@ -884,8 +890,8 @@ void FixReaxFFSpecies::DeleteSpecies(int Nmole, int Nspec) int ndeletions; int headroom = -1; if (delete_Nsteps > 0) { - if (delete_Tcount[delete_Nsteps-1] == -1) return; - ndeletions = delete_Tcount[0] - delete_Tcount[delete_Nsteps-1]; + if (delete_Tcount[delete_Nsteps - 1] == -1) return; + ndeletions = delete_Tcount[0] - delete_Tcount[delete_Nsteps - 1]; if (delete_Nlimit_varid > -1) delete_Nlimit = input->variable->compute_equal(delete_Nlimit_varid); headroom = MAX(0, delete_Nlimit - ndeletions); @@ -925,13 +931,11 @@ void FixReaxFFSpecies::DeleteSpecies(int Nmole, int Nspec) std::random_device rnd; std::minstd_rand park_rng(rnd()); int *molrange; - memory->create(molrange,Nmole,"reaxff/species:molrange"); - for (m = 0; m < Nmole; m++) - molrange[m] = m + 1; + memory->create(molrange, Nmole, "reaxff/species:molrange"); + for (m = 0; m < Nmole; m++) molrange[m] = m + 1; if (delete_Nsteps > 0) { // shuffle index when using rate_limit, in case order is biased - if (comm->me == 0) - std::shuffle(&molrange[0],&molrange[Nmole], park_rng); + if (comm->me == 0) std::shuffle(&molrange[0], &molrange[Nmole], park_rng); MPI_Bcast(&molrange[0], Nmole, MPI_INT, 0, world); } @@ -1060,11 +1064,9 @@ void FixReaxFFSpecies::DeleteSpecies(int Nmole, int Nspec) } } - // push back delete_Tcount on every step if (delete_Nsteps > 0) { - for (i = delete_Nsteps-1; i > 0; i--) - delete_Tcount[i] = delete_Tcount[i-1]; + for (i = delete_Nsteps - 1; i > 0; i--) delete_Tcount[i] = delete_Tcount[i - 1]; delete_Tcount[0] += this_delete_Tcount; } diff --git a/src/REAXFF/fix_reaxff_species.h b/src/REAXFF/fix_reaxff_species.h index 27efa0f915..f711cdeb11 100644 --- a/src/REAXFF/fix_reaxff_species.h +++ b/src/REAXFF/fix_reaxff_species.h @@ -51,8 +51,6 @@ class FixReaxFFSpecies : public Fix { int *Mol2Spec; double *clusterID; AtomCoord *x0; - - double bg_cut; double **BOCut; std::vector del_species; diff --git a/src/REPLICA/fix_pimd_langevin.cpp b/src/REPLICA/fix_pimd_langevin.cpp new file mode 100644 index 0000000000..0af08b43b3 --- /dev/null +++ b/src/REPLICA/fix_pimd_langevin.cpp @@ -0,0 +1,1497 @@ +/* ---------------------------------------------------------------------- + LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator + https://www.lammps.org/, Sandia National Laboratories + LAMMPS development team: developers@lammps.org + + Copyright (2003) Sandia Corporation. Under the terms of Contract + DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains + certain rights in this software. This software is distributed under + the GNU General Public License. + + See the README file in the top-level LAMMPS directory. +------------------------------------------------------------------------- */ + +/* ---------------------------------------------------------------------- + Package FixPIMDLangevin + Purpose Path Integral Molecular Dynamics with Langevin Thermostat + + Yifan Li @ Princeton University (yifanl0716@gmail.com) + Current Features: + - Multi-processor parallelism for each bead + - White-noise Langevin thermostat + - Bussi-Zykova-Parrinello barostat (isotropic and anisotropic) + - Several quantum estimators + Futher plans: + - Triclinic barostat +------------------------------------------------------------------------- */ + +#include "fix_pimd_langevin.h" + +#include "atom.h" +#include "comm.h" +#include "compute.h" +#include "domain.h" +#include "error.h" +#include "force.h" +#include "group.h" +#include "math_const.h" +#include "memory.h" +#include "modify.h" +#include "random_mars.h" +#include "universe.h" +#include "update.h" +#include "utils.h" + +#include +#include + +using namespace LAMMPS_NS; +using namespace FixConst; +using MathConst::MY_PI; +using MathConst::THIRD; + +enum { NMPIMD }; +enum { PHYSICAL, NORMAL }; +enum { BAOAB, OBABO }; +enum { ISO, ANISO, TRICLINIC }; +enum { PILE_L }; +enum { MTTK, BZP }; + +static std::map Barostats{{MTTK, "MTTK"}, {BZP, "BZP"}}; +enum { NVE, NVT, NPH, NPT }; +enum { SINGLE_PROC, MULTI_PROC }; + +/* ---------------------------------------------------------------------- */ + +FixPIMDLangevin::FixPIMDLangevin(LAMMPS *lmp, int narg, char **arg) : + Fix(lmp, narg, arg), random(nullptr), c_pe(nullptr), c_press(nullptr) +{ + restart_global = 1; + time_integrate = 1; + tagsend = tagrecv = nullptr; + bufsend = bufrecv = nullptr; + bufsendall = bufrecvall = nullptr; + bufsorted = bufsortedall = nullptr; + outsorted = buftransall = nullptr; + + ntotal = 0; + maxlocal = maxunwrap = maxxc = 0; + bufbeads = nullptr; + x_unwrap = xc = nullptr; + xcall = nullptr; + counts = nullptr; + + sizeplan = 0; + plansend = planrecv = nullptr; + + M_x2xp = M_xp2x = M_f2fp = M_fp2f = nullptr; + lam = nullptr; + modeindex = nullptr; + + mass = nullptr; + + method = NMPIMD; + ensemble = NVT; + integrator = OBABO; + thermostat = PILE_L; + barostat = BZP; + fmass = 1.0; + np = universe->nworlds; + sp = 1.0; + temp = 298.15; + Lan_temp = 298.15; + tau = 1.0; + tau_p = 1.0; + Pext = 1.0; + pdim = 0; + pilescale = 1.0; + tstat_flag = 1; + pstat_flag = 0; + mapflag = 1; + removecomflag = 1; + fmmode = PHYSICAL; + pstyle = ISO; + totenthalpy = 0.0; + + int seed = -1; + + for (int i = 0; i < 6; i++) { + p_flag[i] = 0; + p_target[i] = 0.0; + } + + for (int i = 3; i < narg - 1; i += 2) { + if (strcmp(arg[i], "method") == 0) { + if (strcmp(arg[i + 1], "nmpimd") == 0) + method = NMPIMD; + else + error->universe_all(FLERR, "Unknown method parameter for fix pimd/langevin"); + } else if (strcmp(arg[i], "integrator") == 0) { + if (strcmp(arg[i + 1], "obabo") == 0) + integrator = OBABO; + else if (strcmp(arg[i + 1], "baoab") == 0) + integrator = BAOAB; + else + error->universe_all( + FLERR, + "Unknown integrator parameter for fix pimd/langevin. Only obabo and baoab " + "integrators are supported!"); + } else if (strcmp(arg[i], "ensemble") == 0) { + if (strcmp(arg[i + 1], "nve") == 0) { + ensemble = NVE; + tstat_flag = 0; + pstat_flag = 0; + } else if (strcmp(arg[i + 1], "nvt") == 0) { + ensemble = NVT; + tstat_flag = 1; + pstat_flag = 0; + } else if (strcmp(arg[i + 1], "nph") == 0) { + ensemble = NPH; + tstat_flag = 0; + pstat_flag = 1; + } else if (strcmp(arg[i + 1], "npt") == 0) { + ensemble = NPT; + tstat_flag = 1; + pstat_flag = 1; + } else + error->universe_all(FLERR, + "Unknown ensemble parameter for fix pimd/langevin. Only nve, nvt, nph, and npt " + "ensembles are supported!"); + } else if (strcmp(arg[i], "fmass") == 0) { + fmass = utils::numeric(FLERR, arg[i + 1], false, lmp); + if (fmass < 0.0 || fmass > np) + error->universe_all(FLERR, "Invalid fmass value for fix pimd/langevin"); + } else if (strcmp(arg[i], "sp") == 0) { + sp = utils::numeric(FLERR, arg[i + 1], false, lmp); + if (sp < 0.0) error->universe_all(FLERR, "Invalid sp value for fix pimd/nvt"); + } else if (strcmp(arg[i], "fmmode") == 0) { + if (strcmp(arg[i + 1], "physical") == 0) + fmmode = PHYSICAL; + else if (strcmp(arg[i + 1], "normal") == 0) + fmmode = NORMAL; + else + error->universe_all( + FLERR, + "Unknown fictitious mass mode for fix pimd/langevin. Only physical mass and " + "normal mode mass are supported!"); + } else if (strcmp(arg[i], "scale") == 0) { + pilescale = utils::numeric(FLERR, arg[i + 1], false, lmp); + if (pilescale < 0.0) + error->universe_all(FLERR, "Invalid pile scale value for fix pimd/langevin"); + } else if (strcmp(arg[i], "temp") == 0) { + temp = utils::numeric(FLERR, arg[i + 1], false, lmp); + if (temp < 0.0) error->universe_all(FLERR, "Invalid temp value for fix pimd/langevin"); + } else if (strcmp(arg[i], "lj") == 0) { + lj_epsilon = utils::numeric(FLERR, arg[i + 1], false, lmp); + lj_sigma = utils::numeric(FLERR, arg[i + 2], false, lmp); + lj_mass = utils::numeric(FLERR, arg[i + 3], false, lmp); + other_planck = utils::numeric(FLERR, arg[i + 4], false, lmp); + other_mvv2e = utils::numeric(FLERR, arg[i + 5], false, lmp); + i += 4; + } else if (strcmp(arg[i], "thermostat") == 0) { + if (strcmp(arg[i + 1], "PILE_L") == 0) { + thermostat = PILE_L; + seed = utils::inumeric(FLERR, arg[i + 2], false, lmp); + i++; + } + } else if (strcmp(arg[i], "tau") == 0) { + tau = utils::numeric(FLERR, arg[i + 1], false, lmp); + } else if (strcmp(arg[i], "barostat") == 0) { + if (strcmp(arg[i + 1], "MTTK") == 0) { + barostat = MTTK; + } else if (strcmp(arg[i + 1], "BZP") == 0) { + barostat = BZP; + } else + error->universe_all(FLERR, "Unknown barostat parameter for fix pimd/langevin"); + } else if (strcmp(arg[i], "iso") == 0) { + pstyle = ISO; + p_flag[0] = p_flag[1] = p_flag[2] = 1; + Pext = utils::numeric(FLERR, arg[i + 1], false, lmp); + p_target[0] = p_target[1] = p_target[2] = Pext; + pdim = 3; + } else if (strcmp(arg[i], "aniso") == 0) { + pstyle = ANISO; + p_flag[0] = p_flag[1] = p_flag[2] = 1; + Pext = utils::numeric(FLERR, arg[i + 1], false, lmp); + p_target[0] = p_target[1] = p_target[2] = Pext; + pdim = 3; + } else if (strcmp(arg[i], "x") == 0) { + pstyle = ANISO; + p_flag[0] = 1; + p_target[0] = utils::numeric(FLERR, arg[i + 1], false, lmp); + pdim++; + } else if (strcmp(arg[i], "y") == 0) { + pstyle = ANISO; + p_flag[1] = 1; + p_target[1] = utils::numeric(FLERR, arg[i + 1], false, lmp); + pdim++; + } else if (strcmp(arg[i], "z") == 0) { + pstyle = ANISO; + p_flag[2] = 1; + p_target[2] = utils::numeric(FLERR, arg[i + 1], false, lmp); + pdim++; + } else if (strcmp(arg[i], "taup") == 0) { + tau_p = utils::numeric(FLERR, arg[i + 1], false, lmp); + if (tau_p <= 0.0) error->universe_all(FLERR, "Invalid tau_p value for fix pimd/langevin"); + } else if (strcmp(arg[i], "fixcom") == 0) { + if (strcmp(arg[i + 1], "yes") == 0) + removecomflag = 1; + else if (strcmp(arg[i + 1], "no") == 0) + removecomflag = 0; + } else { + error->universe_all(FLERR, fmt::format("Unknown keyword {} for fix {}", arg[i], style)); + } + } + + /* Initiation */ + + global_freq = 1; + vector_flag = 1; + if (!pstat_flag) + size_vector = 10; + else if (pstat_flag) { + if (pstyle == ISO) { + size_vector = 15; + } else if (pstyle == ANISO) { + size_vector = 17; + } + } + extvector = 1; + kt = force->boltz * temp; + if (pstat_flag) baro_init(); + + // some initilizations + + id_pe = utils::strdup(std::string(id) + "_pimd_pe"); + modify->add_compute(std::string(id_pe) + " all pe"); + + id_press = utils::strdup(std::string(id) + "_pimd_press"); + modify->add_compute(std::string(id_press) + " all pressure thermo_temp virial"); + + vol0 = domain->xprd * domain->yprd * domain->zprd; + + fixedpoint[0] = 0.5 * (domain->boxlo[0] + domain->boxhi[0]); + fixedpoint[1] = 0.5 * (domain->boxlo[1] + domain->boxhi[1]); + fixedpoint[2] = 0.5 * (domain->boxlo[2] + domain->boxhi[2]); + if (pstat_flag) { p_hydro = (p_target[0] + p_target[1] + p_target[2]) / pdim; } + + // initialize Marsaglia RNG with processor-unique seed + + if (tstat_flag) { + if (integrator == BAOAB || integrator == OBABO) { + Lan_temp = temp; + random = new RanMars(lmp, seed + universe->me); + } + } + + me = comm->me; + nprocs = comm->nprocs; + if (nprocs == 1) + cmode = SINGLE_PROC; + else + cmode = MULTI_PROC; + + nprocs_universe = universe->nprocs; + nreplica = universe->nworlds; + ireplica = universe->iworld; + + if (nreplica == 1) + mapflag = 0; + else + mapflag = 1; + + int *iroots = new int[nreplica]; + MPI_Group uworldgroup, rootgroup; + + for (int i = 0; i < nreplica; i++) iroots[i] = universe->root_proc[i]; + MPI_Comm_group(universe->uworld, &uworldgroup); + MPI_Group_incl(uworldgroup, nreplica, iroots, &rootgroup); + MPI_Comm_create(universe->uworld, rootgroup, &rootworld); + if (rootgroup != MPI_GROUP_NULL) MPI_Group_free(&rootgroup); + if (uworldgroup != MPI_GROUP_NULL) MPI_Group_free(&uworldgroup); + delete[] iroots; + + ntotal = atom->natoms; + if (atom->nmax > maxlocal) reallocate(); + if (atom->nmax > maxunwrap) reallocate_x_unwrap(); + if (atom->nmax > maxxc) reallocate_xc(); + memory->create(xcall, ntotal * 3, "FixPIMDLangevin:xcall"); + + if (cmode == SINGLE_PROC) { + memory->create(bufsorted, ntotal, 3, "FixPIMDLangevin:bufsorted"); + memory->create(outsorted, ntotal, 3, "FixPIMDLangevin:outsorted"); + memory->create(bufsortedall, nreplica * ntotal, 3, "FixPIMDLangevin:bufsortedall"); + memory->create(buftransall, nreplica * ntotal, 3, "FixPIMDLangevin:buftransall"); + memory->create(counts, nreplica, "FixPIMDLangevin:counts"); + memory->create(displacements, nreplica, "FixPIMDLangevin:displacements"); + } + + if ((cmode == MULTI_PROC) && (counts == nullptr)) { + memory->create(bufsendall, ntotal, 3, "FixPIMDLangevin:bufsendall"); + memory->create(bufrecvall, ntotal, 3, "FixPIMDLangevin:bufrecvall"); + memory->create(tagsendall, ntotal, "FixPIMDLangevin:tagsendall"); + memory->create(tagrecvall, ntotal, "FixPIMDLangevin:tagrecvall"); + memory->create(counts, nprocs, "FixPIMDLangevin:counts"); + memory->create(displacements, nprocs, "FixPIMDLangevin:displacements"); + } +} + +/* ---------------------------------------------------------------------- */ + +FixPIMDLangevin::~FixPIMDLangevin() +{ + modify->delete_compute(id_pe); + modify->delete_compute(id_press); + delete[] id_pe; + delete[] id_press; + delete random; + delete[] mass; + delete[] _omega_k; + delete[] Lan_c; + delete[] Lan_s; + delete[] tau_k; + delete[] c1_k; + delete[] c2_k; + delete[] plansend; + delete[] planrecv; + delete[] modeindex; + memory->destroy(xcall); + if (cmode == SINGLE_PROC) { + memory->destroy(bufsorted); + memory->destroy(outsorted); + memory->destroy(bufsortedall); + memory->destroy(buftransall); + memory->destroy(counts); + memory->destroy(displacements); + } + + if (cmode == MULTI_PROC) { + memory->destroy(bufsendall); + memory->destroy(bufrecvall); + memory->destroy(tagsendall); + memory->destroy(tagrecvall); + memory->destroy(counts); + memory->destroy(displacements); + } + memory->destroy(M_x2xp); + memory->destroy(M_xp2x); + memory->destroy(xc); + memory->destroy(x_unwrap); + memory->destroy(bufsend); + memory->destroy(bufrecv); + memory->destroy(tagsend); + memory->destroy(tagrecv); + memory->destroy(bufbeads); +} + +/* ---------------------------------------------------------------------- */ + +int FixPIMDLangevin::setmask() +{ + int mask = 0; + mask |= POST_FORCE; + mask |= INITIAL_INTEGRATE; + mask |= FINAL_INTEGRATE; + mask |= END_OF_STEP; + return mask; +} + +/* ---------------------------------------------------------------------- */ + +void FixPIMDLangevin::init() +{ + if (atom->map_style == Atom::MAP_NONE) + error->all(FLERR, "fix pimd/langevin requires an atom map, see atom_modify"); + + if (universe->me == 0 && universe->uscreen) + fprintf(universe->uscreen, "fix pimd/langevin initializing Path-Integral ...\n"); + + // prepare the constants + + masstotal = group->mass(igroup); + inverse_np = 1.0 / np; + + double planck; + if (strcmp(update->unit_style, "lj") == 0) { + double planck_star = sqrt(lj_epsilon) * sqrt(lj_mass) * lj_sigma * sqrt(other_mvv2e); + planck = other_planck / planck_star; + } else { + planck = force->hplanck; + } + planck *= sp; + hbar = planck / (2.0 * MY_PI); + double beta = 1.0 / (force->boltz * temp); + double _fbond = 1.0 * np * np / (beta * beta * hbar * hbar); + + omega_np = np / (hbar * beta) * sqrt(force->mvv2e); + beta_np = 1.0 / force->boltz / temp * inverse_np; + fbond = _fbond * force->mvv2e; + + if ((universe->me == 0) && (universe->uscreen)) + fprintf(universe->uscreen, + "fix pimd/langevin -P/(beta^2 * hbar^2) = %20.7lE (kcal/mol/A^2)\n\n", fbond); + + if (integrator == OBABO) { + dtf = 0.5 * update->dt * force->ftm2v; + dtv = 0.5 * update->dt; + dtv2 = dtv * dtv; + dtv3 = THIRD * dtv2 * dtv * force->ftm2v; + } else if (integrator == BAOAB) { + dtf = 0.5 * update->dt * force->ftm2v; + dtv = 0.5 * update->dt; + dtv2 = dtv * dtv; + dtv3 = THIRD * dtv2 * dtv * force->ftm2v; + } else { + error->universe_all(FLERR, "Unknown integrator parameter for fix pimd/langevin"); + } + + comm_init(); + + mass = new double[atom->ntypes + 1]; + + nmpimd_init(); + + langevin_init(); + + c_pe = modify->get_compute_by_id(id_pe); + c_press = modify->get_compute_by_id(id_press); + + t_prim = t_vir = t_cv = p_prim = p_vir = p_cv = p_md = 0.0; +} + +/* ---------------------------------------------------------------------- */ + +void FixPIMDLangevin::setup(int vflag) +{ + int nlocal = atom->nlocal; + double **x = atom->x; + imageint *image = atom->image; + if (mapflag) { + for (int i = 0; i < nlocal; i++) domain->unmap(x[i], image[i]); + } + + if (method == NMPIMD) { + inter_replica_comm(x); + if (cmode == SINGLE_PROC) + nmpimd_transform(bufsortedall, x, M_x2xp[universe->iworld]); + else if (cmode == MULTI_PROC) + nmpimd_transform(bufbeads, x, M_x2xp[universe->iworld]); + } + collect_xc(); + compute_spring_energy(); + compute_t_prim(); + compute_p_prim(); + if (method == NMPIMD) { + inter_replica_comm(x); + if (cmode == SINGLE_PROC) + nmpimd_transform(bufsortedall, x, M_xp2x[universe->iworld]); + else if (cmode == MULTI_PROC) + nmpimd_transform(bufbeads, x, M_xp2x[universe->iworld]); + } + if (mapflag) { + for (int i = 0; i < nlocal; i++) domain->unmap_inv(x[i], image[i]); + } + + post_force(vflag); + compute_totke(); + end_of_step(); + c_pe->addstep(update->ntimestep + 1); + c_press->addstep(update->ntimestep + 1); +} + +/* ---------------------------------------------------------------------- */ + +void FixPIMDLangevin::initial_integrate(int /*vflag*/) +{ + int nlocal = atom->nlocal; + double **x = atom->x; + imageint *image = atom->image; + if (mapflag) { + for (int i = 0; i < nlocal; i++) domain->unmap(x[i], image[i]); + } + if (integrator == OBABO) { + if (tstat_flag) { + o_step(); + if (removecomflag) remove_com_motion(); + if (pstat_flag) press_o_step(); + } + if (pstat_flag) { + compute_totke(); + compute_p_cv(); + press_v_step(); + } + b_step(); + if (method == NMPIMD) { + inter_replica_comm(x); + if (cmode == SINGLE_PROC) + nmpimd_transform(bufsortedall, x, M_x2xp[universe->iworld]); + else if (cmode == MULTI_PROC) + nmpimd_transform(bufbeads, x, M_x2xp[universe->iworld]); + } + qc_step(); + a_step(); + qc_step(); + a_step(); + } else if (integrator == BAOAB) { + if (pstat_flag) { + compute_totke(); + compute_p_cv(); + press_v_step(); + } + b_step(); + if (method == NMPIMD) { + inter_replica_comm(x); + if (cmode == SINGLE_PROC) + nmpimd_transform(bufsortedall, x, M_x2xp[universe->iworld]); + else if (cmode == MULTI_PROC) + nmpimd_transform(bufbeads, x, M_x2xp[universe->iworld]); + } + qc_step(); + a_step(); + if (tstat_flag) { + o_step(); + if (removecomflag) remove_com_motion(); + if (pstat_flag) press_o_step(); + } + qc_step(); + a_step(); + } else { + error->universe_all(FLERR, "Unknown integrator parameter for fix pimd/langevin"); + } + collect_xc(); + compute_spring_energy(); + compute_t_prim(); + compute_p_prim(); + + if (method == NMPIMD) { + inter_replica_comm(x); + if (cmode == SINGLE_PROC) + nmpimd_transform(bufsortedall, x, M_xp2x[universe->iworld]); + else if (cmode == MULTI_PROC) + nmpimd_transform(bufbeads, x, M_xp2x[universe->iworld]); + } + + if (mapflag) { + for (int i = 0; i < nlocal; i++) { domain->unmap_inv(x[i], image[i]); } + } +} + +/* ---------------------------------------------------------------------- */ + +void FixPIMDLangevin::final_integrate() +{ + if (pstat_flag) { + compute_totke(); + compute_p_cv(); + press_v_step(); + } + b_step(); + if (integrator == OBABO) { + if (tstat_flag) { + o_step(); + if (removecomflag) remove_com_motion(); + if (pstat_flag) press_o_step(); + } + } else if (integrator == BAOAB) { + + } else { + error->universe_all(FLERR, "Unknown integrator parameter for fix pimd/langevin"); + } +} + +/* ---------------------------------------------------------------------- */ + +void FixPIMDLangevin::post_force(int /*flag*/) +{ + if (atom->nmax > maxunwrap) reallocate_x_unwrap(); + if (atom->nmax > maxxc) reallocate_xc(); + int nlocal = atom->nlocal; + double **x = atom->x; + double **f = atom->f; + imageint *image = atom->image; + tagint *tag = atom->tag; + for (int i = 0; i < nlocal; i++) { + x_unwrap[i][0] = x[i][0]; + x_unwrap[i][1] = x[i][1]; + x_unwrap[i][2] = x[i][2]; + } + if (mapflag) { + for (int i = 0; i < nlocal; i++) { domain->unmap(x_unwrap[i], image[i]); } + } + for (int i = 0; i < nlocal; i++) { + xc[i][0] = xcall[3 * (tag[i] - 1) + 0]; + xc[i][1] = xcall[3 * (tag[i] - 1) + 1]; + xc[i][2] = xcall[3 * (tag[i] - 1) + 2]; + } + + compute_vir(); + compute_cvir(); + compute_t_vir(); + compute_pote(); + if (method == NMPIMD) { + inter_replica_comm(f); + if (cmode == SINGLE_PROC) + nmpimd_transform(bufsortedall, f, M_x2xp[universe->iworld]); + else if (cmode == MULTI_PROC) + nmpimd_transform(bufbeads, f, M_x2xp[universe->iworld]); + } + c_pe->addstep(update->ntimestep + 1); + c_press->addstep(update->ntimestep + 1); +} + +/* ---------------------------------------------------------------------- */ + +void FixPIMDLangevin::end_of_step() +{ + compute_totke(); + compute_p_cv(); + compute_tote(); + if (pstat_flag) compute_totenthalpy(); +} + +void FixPIMDLangevin::collect_xc() +{ + int nlocal = atom->nlocal; + double **x = atom->x; + tagint *tag = atom->tag; + if (ireplica == 0) { + if (cmode == SINGLE_PROC) { + for (int i = 0; i < nlocal; i++) { + xcall[3 * i + 0] = xcall[3 * i + 1] = xcall[3 * i + 2] = 0.0; + } + } else if (cmode == MULTI_PROC) { + for (int i = 0; i < ntotal; i++) { + xcall[3 * i + 0] = xcall[3 * i + 1] = xcall[3 * i + 2] = 0.0; + } + } + + for (int i = 0; i < nlocal; i++) { + xcall[3 * (tag[i] - 1) + 0] = x[i][0] / sqrt(np); + xcall[3 * (tag[i] - 1) + 1] = x[i][1] / sqrt(np); + xcall[3 * (tag[i] - 1) + 2] = x[i][2] / sqrt(np); + } + + if (cmode == MULTI_PROC) { + MPI_Allreduce(MPI_IN_PLACE, xcall, ntotal * 3, MPI_DOUBLE, MPI_SUM, world); + } + } + MPI_Bcast(xcall, ntotal * 3, MPI_DOUBLE, 0, universe->uworld); +} + +/* ---------------------------------------------------------------------- */ + +void FixPIMDLangevin::b_step() +{ + + int n = atom->nlocal; + int *type = atom->type; + double **v = atom->v; + double **f = atom->f; + + for (int i = 0; i < n; i++) { + double dtfm = dtf / mass[type[i]]; + v[i][0] += dtfm * f[i][0]; + v[i][1] += dtfm * f[i][1]; + v[i][2] += dtfm * f[i][2]; + } +} + +/* ---------------------------------------------------------------------- */ + +void FixPIMDLangevin::qc_step() +{ + int nlocal = atom->nlocal; + double **x = atom->x; + double **v = atom->v; + double oldlo, oldhi; + + if (!pstat_flag) { + if (universe->iworld == 0) { + for (int i = 0; i < nlocal; i++) { + x[i][0] += dtv * v[i][0]; + x[i][1] += dtv * v[i][1]; + x[i][2] += dtv * v[i][2]; + } + } + } else { + if (universe->iworld == 0) { + double expp[3], expq[3]; + if (pstyle == ISO) { + vw[1] = vw[0]; + vw[2] = vw[0]; + } + for (int j = 0; j < 3; j++) { + expq[j] = exp(dtv * vw[j]); + expp[j] = exp(-dtv * vw[j]); + } + if (barostat == BZP) { + for (int i = 0; i < nlocal; i++) { + for (int j = 0; j < 3; j++) { + if (p_flag[j]) { + x[i][j] = expq[j] * x[i][j] + (expq[j] - expp[j]) / 2. / vw[j] * v[i][j]; + v[i][j] = expp[j] * v[i][j]; + } else { + x[i][j] += dtv * v[i][j]; + } + } + } + oldlo = domain->boxlo[0]; + oldhi = domain->boxhi[0]; + + domain->boxlo[0] = (oldlo - fixedpoint[0]) * expq[0] + fixedpoint[0]; + domain->boxhi[0] = (oldhi - fixedpoint[0]) * expq[0] + fixedpoint[0]; + + oldlo = domain->boxlo[1]; + oldhi = domain->boxhi[1]; + domain->boxlo[1] = (oldlo - fixedpoint[1]) * expq[1] + fixedpoint[1]; + domain->boxhi[1] = (oldhi - fixedpoint[1]) * expq[1] + fixedpoint[1]; + + oldlo = domain->boxlo[2]; + oldhi = domain->boxhi[2]; + domain->boxlo[2] = (oldlo - fixedpoint[2]) * expq[2] + fixedpoint[2]; + domain->boxhi[2] = (oldhi - fixedpoint[2]) * expq[2] + fixedpoint[2]; + } + } + MPI_Barrier(universe->uworld); + MPI_Bcast(&domain->boxlo[0], 3, MPI_DOUBLE, 0, universe->uworld); + MPI_Bcast(&domain->boxhi[0], 3, MPI_DOUBLE, 0, universe->uworld); + domain->set_global_box(); + domain->set_local_box(); + } + volume = domain->xprd * domain->yprd * domain->zprd; +} + +/* ---------------------------------------------------------------------- */ + +void FixPIMDLangevin::a_step() +{ + int n = atom->nlocal; + double **x = atom->x; + double **v = atom->v; + double x0, x1, x2, v0, v1, v2; // three components of x[i] and v[i] + + if (universe->iworld != 0) { + for (int i = 0; i < n; i++) { + x0 = x[i][0]; + x1 = x[i][1]; + x2 = x[i][2]; + v0 = v[i][0]; + v1 = v[i][1]; + v2 = v[i][2]; + x[i][0] = Lan_c[universe->iworld] * x0 + + 1.0 / _omega_k[universe->iworld] * Lan_s[universe->iworld] * v0; + x[i][1] = Lan_c[universe->iworld] * x1 + + 1.0 / _omega_k[universe->iworld] * Lan_s[universe->iworld] * v1; + x[i][2] = Lan_c[universe->iworld] * x2 + + 1.0 / _omega_k[universe->iworld] * Lan_s[universe->iworld] * v2; + v[i][0] = -1.0 * _omega_k[universe->iworld] * Lan_s[universe->iworld] * x0 + + Lan_c[universe->iworld] * v0; + v[i][1] = -1.0 * _omega_k[universe->iworld] * Lan_s[universe->iworld] * x1 + + Lan_c[universe->iworld] * v1; + v[i][2] = -1.0 * _omega_k[universe->iworld] * Lan_s[universe->iworld] * x2 + + Lan_c[universe->iworld] * v2; + } + } +} + +/* ---------------------------------------------------------------------- */ + +void FixPIMDLangevin::baro_init() +{ + vw[0] = vw[1] = vw[2] = vw[3] = vw[4] = vw[5] = 0.0; + if (pstyle == ISO) { + W = 3 * (atom->natoms) * tau_p * tau_p * np * kt; + } // consistent with the definition in i-Pi + else if (pstyle == ANISO) { + W = atom->natoms * tau_p * tau_p * np * kt; + } + Vcoeff = 1.0; + std::string out = fmt::format("\nInitializing PIMD {:s} barostat...\n", Barostats[barostat]); + out += fmt::format("The barostat mass is W = {:.16e}\n", W); + utils::logmesg(lmp, out); +} + +/* ---------------------------------------------------------------------- */ + +void FixPIMDLangevin::press_v_step() +{ + int nlocal = atom->nlocal; + double **f = atom->f; + double **v = atom->v; + int *type = atom->type; + volume = domain->xprd * domain->yprd * domain->zprd; + + if (pstyle == ISO) { + if (barostat == BZP) { + vw[0] += dtv * 3 * (volume * np * (p_cv - p_hydro) / force->nktv2p + Vcoeff / beta_np) / W; + if (universe->iworld == 0) { + double dvw_proc = 0.0, dvw = 0.0; + for (int i = 0; i < nlocal; i++) { + for (int j = 0; j < 3; j++) { + dvw_proc += dtv2 * f[i][j] * v[i][j] / W + dtv3 * f[i][j] * f[i][j] / mass[type[i]] / W; + } + } + MPI_Allreduce(&dvw_proc, &dvw, 1, MPI_DOUBLE, MPI_SUM, world); + vw[0] += dvw; + } + MPI_Barrier(universe->uworld); + MPI_Bcast(&vw[0], 1, MPI_DOUBLE, 0, universe->uworld); + } else if (barostat == MTTK) { + mtk_term1 = 2. / atom->natoms * totke / 3; + f_omega = (volume * np * (p_md - p_hydro) + mtk_term1) / W; + vw[0] += 0.5 * dtv * f_omega; + } + } else if (pstyle == ANISO) { + compute_stress_tensor(); + for (int ii = 0; ii < 3; ii++) { + if (p_flag[ii]) { + vw[ii] += dtv * + (volume * np * (stress_tensor[ii] - p_hydro) / force->nktv2p + Vcoeff / beta_np) / W; + if (universe->iworld == 0) { + double dvw_proc = 0.0, dvw = 0.0; + for (int i = 0; i < nlocal; i++) { + dvw_proc += + dtv2 * f[i][ii] * v[i][ii] / W + dtv3 * f[i][ii] * f[i][ii] / mass[type[i]] / W; + } + MPI_Allreduce(&dvw_proc, &dvw, 1, MPI_DOUBLE, MPI_SUM, world); + vw[ii] += dvw; + } + } + } + } +} + +/* ---------------------------------------------------------------------- */ + +void FixPIMDLangevin::press_o_step() +{ + if (pstyle == ISO) { + if (universe->me == 0) { + r1 = random->gaussian(); + vw[0] = c1 * vw[0] + c2 * sqrt(1.0 / W / beta_np) * r1; + } + MPI_Barrier(universe->uworld); + MPI_Bcast(&vw[0], 1, MPI_DOUBLE, 0, universe->uworld); + } else if (pstyle == ANISO) { + if (universe->me == 0) { + for (int ii = 0; ii < 3; ii++) { + if (p_flag[ii]) { + r1 = random->gaussian(); + vw[ii] = c1 * vw[ii] + c2 * sqrt(1.0 / W / beta_np) * r1; + } + } + } + MPI_Barrier(universe->uworld); + MPI_Bcast(&vw, 3, MPI_DOUBLE, 0, universe->uworld); + } +} + +/* ---------------------------------------------------------------------- */ + +void FixPIMDLangevin::langevin_init() +{ + double beta = 1.0 / kt; + _omega_np = np / beta / hbar; + double _omega_np_dt_half = _omega_np * update->dt * 0.5; + + _omega_k = new double[np]; + Lan_c = new double[np]; + Lan_s = new double[np]; + if (fmmode == PHYSICAL) { + for (int i = 0; i < np; i++) { + _omega_k[i] = _omega_np * sqrt(lam[i]) / sqrt(fmass); + Lan_c[i] = cos(sqrt(lam[i]) * _omega_np_dt_half); + Lan_s[i] = sin(sqrt(lam[i]) * _omega_np_dt_half); + } + } else if (fmmode == NORMAL) { + for (int i = 0; i < np; i++) { + _omega_k[i] = _omega_np / sqrt(fmass); + Lan_c[i] = cos(_omega_np_dt_half); + Lan_s[i] = sin(_omega_np_dt_half); + } + } + if (tau > 0) + gamma = 1.0 / tau; + else + gamma = np / beta / hbar; + + if (integrator == OBABO) + c1 = exp(-gamma * 0.5 * update->dt); // tau is the damping time of the centroid mode. + else if (integrator == BAOAB) + c1 = exp(-gamma * update->dt); + else + error->universe_all(FLERR, + "Unknown integrator parameter for fix pimd/langevin. Only obabo and " + "baoab integrators are supported!"); + + c2 = sqrt(1.0 - c1 * c1); // note that c1 and c2 here only works for the centroid mode. + + if (thermostat == PILE_L) { + std::string out = "\nInitializing PI Langevin equation thermostat...\n"; + out += "Bead ID | omega | tau | c1 | c2\n"; + tau_k = new double[np]; + c1_k = new double[np]; + c2_k = new double[np]; + tau_k[0] = tau; + c1_k[0] = c1; + c2_k[0] = c2; + for (int i = 1; i < np; i++) { + tau_k[i] = 0.5 / pilescale / _omega_k[i]; + if (integrator == OBABO) + c1_k[i] = exp(-0.5 * update->dt / tau_k[i]); + else if (integrator == BAOAB) + c1_k[i] = exp(-1.0 * update->dt / tau_k[i]); + else + error->universe_all(FLERR, + "Unknown integrator parameter for fix pimd/langevin. Only obabo and " + "baoab integrators are supported!"); + c2_k[i] = sqrt(1.0 - c1_k[i] * c1_k[i]); + } + for (int i = 0; i < np; i++) { + out += fmt::format(" {:d} {:.8e} {:.8e} {:.8e} {:.8e}\n", i, _omega_k[i], tau_k[i], + c1_k[i], c2_k[i]); + } + if (thermostat == PILE_L) out += "PILE_L thermostat successfully initialized!\n"; + out += "\n"; + utils::logmesg(lmp, out); + } +} + +/* ---------------------------------------------------------------------- */ + +void FixPIMDLangevin::o_step() +{ + int nlocal = atom->nlocal; + int *type = atom->type; + double beta_np = 1.0 / force->boltz / Lan_temp * inverse_np * force->mvv2e; + if (thermostat == PILE_L) { + for (int i = 0; i < nlocal; i++) { + r1 = random->gaussian(); + r2 = random->gaussian(); + r3 = random->gaussian(); + atom->v[i][0] = c1_k[universe->iworld] * atom->v[i][0] + + c2_k[universe->iworld] * sqrt(1.0 / mass[type[i]] / beta_np) * r1; + atom->v[i][1] = c1_k[universe->iworld] * atom->v[i][1] + + c2_k[universe->iworld] * sqrt(1.0 / mass[type[i]] / beta_np) * r2; + atom->v[i][2] = c1_k[universe->iworld] * atom->v[i][2] + + c2_k[universe->iworld] * sqrt(1.0 / mass[type[i]] / beta_np) * r3; + } + } +} + +/* ---------------------------------------------------------------------- + Normal Mode PIMD +------------------------------------------------------------------------- */ + +void FixPIMDLangevin::nmpimd_init() +{ + memory->create(M_x2xp, np, np, "fix_feynman:M_x2xp"); + memory->create(M_xp2x, np, np, "fix_feynman:M_xp2x"); + + lam = (double *) memory->smalloc(sizeof(double) * np, "FixPIMDLangevin::lam"); + + // Set up eigenvalues + for (int i = 0; i < np; i++) { + double sin_tmp = sin(i * MY_PI / np); + lam[i] = 4 * sin_tmp * sin_tmp; + } + + // Set up eigenvectors for degenerated modes + for (int j = 0; j < np; j++) { + for (int i = 1; i < int(np / 2) + 1; i++) { + M_x2xp[i][j] = sqrt(2.0) * cos(2.0 * MY_PI * double(i) * double(j) / double(np)) / sqrt(np); + } + for (int i = int(np / 2) + 1; i < np; i++) { + M_x2xp[i][j] = sqrt(2.0) * sin(2.0 * MY_PI * double(i) * double(j) / double(np)) / sqrt(np); + } + } + + // Set up eigenvectors for non-degenerated modes + for (int i = 0; i < np; i++) { + M_x2xp[0][i] = 1.0 / sqrt(np); + if (np % 2 == 0) M_x2xp[np / 2][i] = 1.0 / sqrt(np) * pow(-1.0, i); + } + + // Set up Ut + for (int i = 0; i < np; i++) + for (int j = 0; j < np; j++) { M_xp2x[i][j] = M_x2xp[j][i]; } + + // Set up fictitious masses + int iworld = universe->iworld; + for (int i = 1; i <= atom->ntypes; i++) { + mass[i] = atom->mass[i]; + mass[i] *= fmass; + if (iworld) { + if (fmmode == PHYSICAL) { + mass[i] *= 1.0; + } else if (fmmode == NORMAL) { + mass[i] *= lam[iworld]; + } + } + } +} + +/* ---------------------------------------------------------------------- */ + +void FixPIMDLangevin::nmpimd_transform(double **src, double **des, double *vector) +{ + if (cmode == SINGLE_PROC) { + for (int i = 0; i < ntotal; i++) { + for (int d = 0; d < 3; d++) { + bufsorted[i][d] = 0.0; + for (int j = 0; j < nreplica; j++) { + bufsorted[i][d] += src[j * ntotal + i][d] * vector[j]; + } + } + } + for (int i = 0; i < ntotal; i++) { + tagint tagtmp = atom->tag[i]; + for (int d = 0; d < 3; d++) { des[i][d] = bufsorted[tagtmp - 1][d]; } + } + } else if (cmode == MULTI_PROC) { + int n = atom->nlocal; + int m = 0; + + for (int i = 0; i < n; i++) + for (int d = 0; d < 3; d++) { + des[i][d] = 0.0; + for (int j = 0; j < np; j++) { des[i][d] += (src[j][m] * vector[j]); } + m++; + } + } +} + +/* ---------------------------------------------------------------------- + Comm operations +------------------------------------------------------------------------- */ + +void FixPIMDLangevin::comm_init() +{ + if (sizeplan) { + delete[] plansend; + delete[] planrecv; + } + + sizeplan = np - 1; + plansend = new int[sizeplan]; + planrecv = new int[sizeplan]; + modeindex = new int[sizeplan]; + for (int i = 0; i < sizeplan; i++) { + int isend, irecv; + isend = ireplica + i + 1; + if (isend >= nreplica) isend -= nreplica; + irecv = ireplica - (i + 1); + if (irecv < 0) irecv += nreplica; + plansend[i] = universe->root_proc[isend]; + planrecv[i] = universe->root_proc[irecv]; + modeindex[i] = irecv; + } +} + +/* ---------------------------------------------------------------------- */ + +void FixPIMDLangevin::reallocate_xc() +{ + maxxc = atom->nmax; + memory->destroy(xc); + memory->create(xc, maxxc, 3, "FixPIMDLangevin:xc"); +} + +/* ---------------------------------------------------------------------- */ + +void FixPIMDLangevin::reallocate_x_unwrap() +{ + maxunwrap = atom->nmax; + memory->destroy(x_unwrap); + memory->create(x_unwrap, maxunwrap, 3, "FixPIMDLangevin:x_unwrap"); +} + +/* ---------------------------------------------------------------------- */ + +void FixPIMDLangevin::reallocate() +{ + maxlocal = atom->nmax; + memory->destroy(bufsend); + memory->destroy(bufrecv); + memory->destroy(tagsend); + memory->destroy(tagrecv); + memory->destroy(bufbeads); + memory->create(bufsend, maxlocal, 3, "FixPIMDLangevin:bufsend"); + memory->create(bufrecv, maxlocal, 3, "FixPIMDLangevin:bufrecv"); + memory->create(tagsend, maxlocal, "FixPIMDLangevin:tagsend"); + memory->create(tagrecv, maxlocal, "FixPIMDLangevin:tagrecv"); + memory->create(bufbeads, nreplica, maxlocal * 3, "FixPIMDLangevin:bufrecv"); +} + +/* ---------------------------------------------------------------------- */ + +void FixPIMDLangevin::inter_replica_comm(double **ptr) +{ + MPI_Request requests[2]; + MPI_Status statuses[2]; + if (atom->nmax > maxlocal) reallocate(); + int nlocal = atom->nlocal; + tagint *tag = atom->tag; + int i, m; + + // copy local values + for (i = 0; i < nlocal; i++) { + bufbeads[ireplica][3 * i + 0] = ptr[i][0]; + bufbeads[ireplica][3 * i + 1] = ptr[i][1]; + bufbeads[ireplica][3 * i + 2] = ptr[i][2]; + } + + // communicate values from the other beads + if (cmode == SINGLE_PROC) { + m = 0; + for (i = 0; i < nlocal; i++) { + tagint tagtmp = atom->tag[i]; + bufsorted[tagtmp - 1][0] = ptr[i][0]; + bufsorted[tagtmp - 1][1] = ptr[i][1]; + bufsorted[tagtmp - 1][2] = ptr[i][2]; + m++; + } + MPI_Allgather(&m, 1, MPI_INT, counts, 1, MPI_INT, universe->uworld); + for (i = 0; i < nreplica; i++) counts[i] *= 3; + displacements[0] = 0; + for (i = 0; i < nreplica - 1; i++) displacements[i + 1] = displacements[i] + counts[i]; + MPI_Allgatherv(bufsorted[0], 3 * m, MPI_DOUBLE, bufsortedall[0], counts, displacements, + MPI_DOUBLE, universe->uworld); + } else if (cmode == MULTI_PROC) { + m = 0; + for (i = 0; i < nlocal; i++) { + tagsend[m] = tag[i]; + bufsend[m][0] = ptr[i][0]; + bufsend[m][1] = ptr[i][1]; + bufsend[m][2] = ptr[i][2]; + m++; + } + MPI_Gather(&m, 1, MPI_INT, counts, 1, MPI_INT, 0, world); + displacements[0] = 0; + for (i = 0; i < nprocs - 1; i++) displacements[i + 1] = displacements[i] + counts[i]; + MPI_Gatherv(tagsend, m, MPI_LMP_TAGINT, tagsendall, counts, displacements, MPI_LMP_TAGINT, 0, + world); + for (i = 0; i < nprocs; i++) counts[i] *= 3; + for (i = 0; i < nprocs - 1; i++) displacements[i + 1] = displacements[i] + counts[i]; + MPI_Gatherv(bufsend[0], 3 * m, MPI_DOUBLE, bufsendall[0], counts, displacements, MPI_DOUBLE, 0, + world); + for (int iplan = 0; iplan < sizeplan; iplan++) { + if (me == 0) { + MPI_Irecv(bufrecvall[0], 3 * ntotal, MPI_DOUBLE, planrecv[iplan], 0, universe->uworld, + &requests[0]); + MPI_Irecv(tagrecvall, ntotal, MPI_LMP_TAGINT, planrecv[iplan], 0, universe->uworld, + &requests[1]); + MPI_Send(bufsendall[0], 3 * ntotal, MPI_DOUBLE, plansend[iplan], 0, universe->uworld); + MPI_Send(tagsendall, ntotal, MPI_LMP_TAGINT, plansend[iplan], 0, universe->uworld); + MPI_Waitall(2, requests, statuses); + } + MPI_Bcast(tagrecvall, ntotal, MPI_LMP_TAGINT, 0, world); + MPI_Bcast(bufrecvall[0], 3 * ntotal, MPI_DOUBLE, 0, world); + for (i = 0; i < ntotal; i++) { + m = atom->map(tagrecvall[i]); + if (m < 0 || m >= nlocal) continue; + bufbeads[modeindex[iplan]][3 * m + 0] = bufrecvall[i][0]; + bufbeads[modeindex[iplan]][3 * m + 1] = bufrecvall[i][1]; + bufbeads[modeindex[iplan]][3 * m + 2] = bufrecvall[i][2]; + } + } + } +} + +/* ---------------------------------------------------------------------- */ + +void FixPIMDLangevin::remove_com_motion() +{ + if (universe->iworld == 0) { + double **v = atom->v; + int *mask = atom->mask; + int nlocal = atom->nlocal; + if (dynamic) masstotal = group->mass(igroup); + double vcm[3]; + group->vcm(igroup, masstotal, vcm); + for (int i = 0; i < nlocal; i++) { + if (mask[i] & groupbit) { + v[i][0] -= vcm[0]; + v[i][1] -= vcm[1]; + v[i][2] -= vcm[2]; + } + } + } +} + +/* ---------------------------------------------------------------------- */ + +void FixPIMDLangevin::compute_cvir() +{ + int nlocal = atom->nlocal; + xf = vir_ = xcf = centroid_vir = 0.0; + for (int i = 0; i < nlocal; i++) { + for (int j = 0; j < 3; j++) { + xf += x_unwrap[i][j] * atom->f[i][j]; + xcf += (x_unwrap[i][j] - xc[i][j]) * atom->f[i][j]; + } + } + MPI_Allreduce(&xf, &vir_, 1, MPI_DOUBLE, MPI_SUM, universe->uworld); + MPI_Allreduce(&xcf, ¢roid_vir, 1, MPI_DOUBLE, MPI_SUM, universe->uworld); + if (pstyle == ANISO) { + for (int i = 0; i < 6; i++) c_vir_tensor[i] = 0.0; + for (int i = 0; i < nlocal; i++) { + c_vir_tensor[0] += (x_unwrap[i][0] - xc[i][0]) * atom->f[i][0]; + c_vir_tensor[1] += (x_unwrap[i][1] - xc[i][1]) * atom->f[i][1]; + c_vir_tensor[2] += (x_unwrap[i][2] - xc[i][2]) * atom->f[i][2]; + c_vir_tensor[3] += (x_unwrap[i][0] - xc[i][0]) * atom->f[i][1]; + c_vir_tensor[4] += (x_unwrap[i][0] - xc[i][0]) * atom->f[i][2]; + c_vir_tensor[5] += (x_unwrap[i][1] - xc[i][1]) * atom->f[i][2]; + } + MPI_Allreduce(MPI_IN_PLACE, &c_vir_tensor, 6, MPI_DOUBLE, MPI_SUM, universe->uworld); + } +} + +/* ---------------------------------------------------------------------- */ + +void FixPIMDLangevin::compute_vir() +{ + volume = domain->xprd * domain->yprd * domain->zprd; + c_press->compute_vector(); + virial[0] = c_press->vector[0] * volume; + virial[1] = c_press->vector[1] * volume; + virial[2] = c_press->vector[2] * volume; + virial[3] = c_press->vector[3] * volume; + virial[4] = c_press->vector[4] * volume; + virial[5] = c_press->vector[5] * volume; + for (int i = 0; i < 6; i++) virial[i] /= universe->procs_per_world[universe->iworld]; + double vir_bead = (virial[0] + virial[1] + virial[2]); + MPI_Allreduce(&vir_bead, &vir, 1, MPI_DOUBLE, MPI_SUM, universe->uworld); + MPI_Allreduce(MPI_IN_PLACE, &virial[0], 6, MPI_DOUBLE, MPI_SUM, universe->uworld); +} + +/* ---------------------------------------------------------------------- */ + +void FixPIMDLangevin::compute_stress_tensor() +{ + int nlocal = atom->nlocal; + int *type = atom->type; + if (universe->iworld == 0) { + double inv_volume = 1.0 / (domain->xprd * domain->yprd * domain->zprd); + for (int i = 0; i < 6; i++) ke_tensor[i] = 0.0; + for (int i = 0; i < nlocal; i++) { + ke_tensor[0] += 0.5 * mass[type[i]] * atom->v[i][0] * atom->v[i][0] * force->mvv2e; + ke_tensor[1] += 0.5 * mass[type[i]] * atom->v[i][1] * atom->v[i][1] * force->mvv2e; + ke_tensor[2] += 0.5 * mass[type[i]] * atom->v[i][2] * atom->v[i][2] * force->mvv2e; + ke_tensor[3] += 0.5 * mass[type[i]] * atom->v[i][0] * atom->v[i][1] * force->mvv2e; + ke_tensor[4] += 0.5 * mass[type[i]] * atom->v[i][0] * atom->v[i][2] * force->mvv2e; + ke_tensor[5] += 0.5 * mass[type[i]] * atom->v[i][1] * atom->v[i][2] * force->mvv2e; + } + MPI_Allreduce(MPI_IN_PLACE, &ke_tensor, 6, MPI_DOUBLE, MPI_SUM, world); + for (int i = 0; i < 6; i++) { + stress_tensor[i] = + inv_volume * ((2 * ke_tensor[i] - c_vir_tensor[i]) * force->nktv2p + virial[i]) / np; + } + } + MPI_Bcast(&stress_tensor, 6, MPI_DOUBLE, 0, universe->uworld); +} + +/* ---------------------------------------------------------------------- */ + +void FixPIMDLangevin::compute_totke() +{ + kine = 0.0; + totke = ke_bead = 0.0; + int nlocal = atom->nlocal; + int *type = atom->type; + for (int i = 0; i < nlocal; i++) { + for (int j = 0; j < 3; j++) { kine += 0.5 * mass[type[i]] * atom->v[i][j] * atom->v[i][j]; } + } + kine *= force->mvv2e; + MPI_Allreduce(&kine, &ke_bead, 1, MPI_DOUBLE, MPI_SUM, world); + MPI_Allreduce(&ke_bead, &totke, 1, MPI_DOUBLE, MPI_SUM, universe->uworld); + totke /= universe->procs_per_world[universe->iworld]; +} + +/* ---------------------------------------------------------------------- */ + +void FixPIMDLangevin::compute_spring_energy() +{ + spring_energy = 0.0; + total_spring_energy = se_bead = 0.0; + + double **x = atom->x; + double *_mass = atom->mass; + int *type = atom->type; + int nlocal = atom->nlocal; + + for (int i = 0; i < nlocal; i++) { + spring_energy += 0.5 * _mass[type[i]] * fbond * lam[universe->iworld] * + (x[i][0] * x[i][0] + x[i][1] * x[i][1] + x[i][2] * x[i][2]); + } + MPI_Allreduce(&spring_energy, &se_bead, 1, MPI_DOUBLE, MPI_SUM, world); + MPI_Allreduce(&se_bead, &total_spring_energy, 1, MPI_DOUBLE, MPI_SUM, universe->uworld); + total_spring_energy /= universe->procs_per_world[universe->iworld]; +} + +/* ---------------------------------------------------------------------- */ + +void FixPIMDLangevin::compute_pote() +{ + pe_bead = 0.0; + pot_energy_partition = 0.0; + pote = 0.0; + c_pe->compute_scalar(); + pe_bead = c_pe->scalar; + pot_energy_partition = pe_bead / universe->procs_per_world[universe->iworld]; + MPI_Allreduce(&pot_energy_partition, &pote, 1, MPI_DOUBLE, MPI_SUM, universe->uworld); +} + +/* ---------------------------------------------------------------------- */ + +void FixPIMDLangevin::compute_tote() +{ + tote = totke + pote + total_spring_energy; +} + +/* ---------------------------------------------------------------------- */ + +void FixPIMDLangevin::compute_t_prim() +{ + t_prim = 1.5 * atom->natoms * np * force->boltz * temp - total_spring_energy; +} + +/* ---------------------------------------------------------------------- */ + +void FixPIMDLangevin::compute_t_vir() +{ + t_vir = -0.5 * inverse_np * vir_; + t_cv = 1.5 * atom->natoms * force->boltz * temp - 0.5 * inverse_np * centroid_vir; +} + +/* ---------------------------------------------------------------------- */ + +void FixPIMDLangevin::compute_p_prim() +{ + double inv_volume = 1.0 / (domain->xprd * domain->yprd * domain->zprd); + p_prim = atom->natoms * np * force->boltz * temp * inv_volume - + 1.0 / 1.5 * inv_volume * total_spring_energy; + p_prim *= force->nktv2p; +} + +/* ---------------------------------------------------------------------- */ + +void FixPIMDLangevin::compute_p_cv() +{ + double inv_volume = 1.0 / (domain->xprd * domain->yprd * domain->zprd); + if (universe->iworld == 0) { + p_cv = THIRD * inv_volume * ((2.0 * ke_bead - centroid_vir) * force->nktv2p + vir) / np; + } + p_md = THIRD * inv_volume * (totke + vir); + MPI_Bcast(&p_cv, 1, MPI_DOUBLE, 0, universe->uworld); +} + +/* ---------------------------------------------------------------------- */ + +void FixPIMDLangevin::compute_totenthalpy() +{ + volume = domain->xprd * domain->yprd * domain->zprd; + if (barostat == BZP) { + if (pstyle == ISO) { + totenthalpy = tote + 0.5 * W * vw[0] * vw[0] * inverse_np + p_hydro * volume / force->nktv2p - + Vcoeff * kt * log(volume); + } else if (pstyle == ANISO) { + totenthalpy = tote + 0.5 * W * vw[0] * vw[0] * inverse_np + + 0.5 * W * vw[1] * vw[1] * inverse_np + 0.5 * W * vw[2] * vw[2] * inverse_np + + p_hydro * volume / force->nktv2p - Vcoeff * kt * log(volume); + } + } else if (barostat == MTTK) + totenthalpy = tote + 1.5 * W * vw[0] * vw[0] * inverse_np + p_hydro * (volume - vol0); +} + +/* ---------------------------------------------------------------------- + pack entire state of Fix into one write +------------------------------------------------------------------------- */ + +void FixPIMDLangevin::write_restart(FILE *fp) +{ + int nsize = size_restart_global(); + + double *list; + memory->create(list, nsize, "FixPIMDLangevin:list"); + + pack_restart_data(list); + + if (comm->me == 0) { + int size = nsize * sizeof(double); + fwrite(&size, sizeof(int), 1, fp); + fwrite(list, sizeof(double), nsize, fp); + } + + memory->destroy(list); +} +/* ---------------------------------------------------------------------- */ + +int FixPIMDLangevin::size_restart_global() +{ + int nsize = 6; + + return nsize; +} + +/* ---------------------------------------------------------------------- */ + +int FixPIMDLangevin::pack_restart_data(double *list) +{ + int n = 0; + for (int i = 0; i < 6; i++) list[n++] = vw[i]; + return n; +} + +/* ---------------------------------------------------------------------- */ + +void FixPIMDLangevin::restart(char *buf) +{ + int n = 0; + auto list = (double *) buf; + for (int i = 0; i < 6; i++) vw[i] = list[n++]; +} + +/* ---------------------------------------------------------------------- */ + +double FixPIMDLangevin::compute_vector(int n) +{ + if (n == 0) return ke_bead; + if (n == 1) return se_bead; + if (n == 2) return pe_bead; + if (n == 3) return tote; + if (n == 4) return t_prim; + if (n == 5) return t_vir; + if (n == 6) return t_cv; + if (n == 7) return p_prim; + if (n == 8) return p_md; + if (n == 9) return p_cv; + + if (pstat_flag) { + volume = domain->xprd * domain->yprd * domain->zprd; + if (pstyle == ISO) { + if (n == 10) return vw[0]; + if (barostat == BZP) { + if (n == 11) return 0.5 * W * vw[0] * vw[0]; + } else if (barostat == MTTK) { + if (n == 11) return 1.5 * W * vw[0] * vw[0]; + } + if (n == 12) { return np * Pext * volume / force->nktv2p; } + if (n == 13) { return -Vcoeff * np * kt * log(volume); } + if (n == 14) return totenthalpy; + } else if (pstyle == ANISO) { + if (n == 10) return vw[0]; + if (n == 11) return vw[1]; + if (n == 12) return vw[2]; + if (n == 13) return 0.5 * W * (vw[0] * vw[0] + vw[1] * vw[1] + vw[2] * vw[2]); + if (n == 14) { return np * Pext * volume / force->nktv2p; } + if (n == 15) { + volume = domain->xprd * domain->yprd * domain->zprd; + return -Vcoeff * np * kt * log(volume); + } + if (n == 16) return totenthalpy; + } + } + + return 0.0; +} diff --git a/src/REPLICA/fix_pimd_langevin.h b/src/REPLICA/fix_pimd_langevin.h new file mode 100644 index 0000000000..dc48832855 --- /dev/null +++ b/src/REPLICA/fix_pimd_langevin.h @@ -0,0 +1,186 @@ +/* -*- c++ -*- ---------------------------------------------------------- + LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator + https://www.lammps.org/, Sandia National Laboratories + LAMMPS development team: developers@lammps.org + + Copyright (2003) Sandia Corporation. Under the terms of Contract + DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains + certain rights in this software. This software is distributed under + the GNU General Public License. + + See the README file in the top-level LAMMPS directory. +------------------------------------------------------------------------- */ + +#ifdef FIX_CLASS +// clang-format off +FixStyle(pimd/langevin,FixPIMDLangevin); +// clang-format on +#else + +#ifndef FIX_PIMD_LANGEVIN_H +#define FIX_PIMD_LANGEVIN_H + +#include "fix.h" + +namespace LAMMPS_NS { + +class FixPIMDLangevin : public Fix { + public: + FixPIMDLangevin(class LAMMPS *, int, char **); + ~FixPIMDLangevin() override; + + int setmask() override; + + void init() override; + void setup(int) override; + void post_force(int) override; + void initial_integrate(int) override; + void final_integrate() override; + void end_of_step() override; + + double compute_vector(int) override; + + protected: + /* System setting variables */ + int method; // PIMD or NMPIMD or CMD + int fmmode; // physical or normal + int np; // number of beads + double inverse_np; // 1.0/np + double temp; // temperature + double hbar; // Planck's constant + double lj_epsilon, lj_sigma, lj_mass; // LJ unit energy, length, and mass scales + double other_planck; + double other_mvv2e; + double kt; // k_B * temp + double beta, beta_np; // beta = 1./kBT beta_np = 1./kBT/np + int thermostat; // NHC or PILE_L + int barostat; // BZP + int integrator; // obabo or baoab + int ensemble; // nve or nvt or nph or npt + int mapflag; // should be 1 if number of beads > 1 + int removecomflag; + double masstotal; + + double fixedpoint[3]; // location of dilation fixed-point + /* ring-polymer model */ + + double omega_np, fbond, spring_energy, sp; + + /* fictitious mass */ + + double fmass, *mass; + + /* inter-partition communication */ + + MPI_Comm rootworld; + int me, nprocs, ireplica, nreplica, nprocs_universe; + int ntotal, maxlocal; + + int cmode; + int sizeplan; + int *plansend, *planrecv; + + tagint *tagsend, *tagrecv; + double **bufsend, **bufrecv, **bufbeads; + double **bufsorted, **bufsortedall; + double **outsorted, **buftransall; + + tagint *tagsendall, *tagrecvall; + double **bufsendall, **bufrecvall; + + int *counts, *displacements; + + void comm_init(); + void inter_replica_comm(double **ptr); + + /* normal-mode operations */ + + double *lam, **M_x2xp, **M_xp2x, **M_f2fp, **M_fp2f; + int *modeindex; + + void reallocate(); + void nmpimd_init(); + void nmpimd_transform(double **, double **, double *); + + /* Langevin integration */ + + double dtv, dtf, dtv2, dtv3; + double gamma, c1, c2, tau; + double *tau_k, *c1_k, *c2_k; + double pilescale; + double Lan_temp; + double r1, r2, r3; + double _omega_np, *_omega_k, *Lan_s, *Lan_c; // sin(omega_k*dt*0.5), cos(omega_k*dt*0.5) + + class RanMars *random; + + int tstat_flag; // tstat_flat = 1 if thermostat if used + void langevin_init(); + void b_step(); // integrate for dt/2 according to B part (v <- v + f * dt/2) + void a_step(); // integrate for dt/2 according to A part (non-centroid mode, harmonic force between replicas) + void qc_step(); // integrate for dt/2 for the centroid mode (x <- x + v * dt/2) + void o_step(); // integrate for dt according to O part (O-U process, for thermostating) + + /* Bussi-Zykova-Parrinello barostat */ + + double f_omega, mtk_term1; + int pstat_flag; // pstat_flag = 1 if barostat is used + int pstyle; // pstyle = ISO or ANISO (will support TRICLINIC in the future) + double W, tau_p, Pext, p_hydro, totenthalpy, Vcoeff; + int pdim; + int p_flag[6]; + double p_target[6]; + double vw[6]; // barostat velocity + double ke_tensor[6]; // kinetic energy tensor + double c_vir_tensor[6]; // centroid-virial tensor + double stress_tensor[6]; // path integral centroid-virial stress tensor + + void baro_init(); + void press_v_step(); + void press_o_step(); + + /* centroid-virial estimator computation */ + double vol0 = 0.0; + double volume; + double **xc, *xcall; + int maxxc; + int maxunwrap; + double **x_unwrap; + void reallocate_x_unwrap(); + void reallocate_xc(); + void collect_xc(); + void remove_com_motion(); + double xf, vir, vir_, xcf, centroid_vir; + double t_prim, t_vir, t_cv, p_prim, p_vir, p_cv, p_md; + + /* Computes */ + double kine, pote, tote, totke; + double ke_bead, se_bead, pe_bead, pot_energy_partition; + double total_spring_energy; + char *id_pe; + char *id_press; + class Compute *c_pe; + class Compute *c_press; + + void compute_totke(); // 1: kinetic energy + void compute_spring_energy(); // 2: spring elastic energy + void compute_pote(); // 3: potential energy + void compute_tote(); // 4: total energy: 1+2+3 for all the beads + void compute_stress_tensor(); + void compute_t_prim(); + void compute_t_vir(); + void compute_t_cv(); + void compute_p_prim(); + void compute_p_cv(); // centroid-virial pressure estimator + void compute_vir(); + void compute_cvir(); + void compute_totenthalpy(); + + void write_restart(FILE *fp) override; + int size_restart_global(); + int pack_restart_data(double *list); + void restart(char *buf) override; +}; +} // namespace LAMMPS_NS +#endif +#endif diff --git a/src/REPLICA/fix_pimd_nvt.cpp b/src/REPLICA/fix_pimd_nvt.cpp index 1f2f29f35c..e899c75a27 100644 --- a/src/REPLICA/fix_pimd_nvt.cpp +++ b/src/REPLICA/fix_pimd_nvt.cpp @@ -219,7 +219,7 @@ void FixPIMDNVT::init() const double Boltzmann = force->boltz; const double Plank = force->hplanck; - double hbar = Plank / (2.0 * MY_PI); + double hbar = Plank / (2.0 * MY_PI) * sp; double beta = 1.0 / (Boltzmann * nhc_temp); double _fbond = 1.0 * np / (beta * beta * hbar * hbar); diff --git a/src/domain.cpp b/src/domain.cpp index edca633508..3627af26cf 100644 --- a/src/domain.cpp +++ b/src/domain.cpp @@ -1432,6 +1432,29 @@ void Domain::remap_near(double *xnew, double *xold) if (triclinic) lamda2x(coordnew,xnew); } +/* ---------------------------------------------------------------------- + remap the point to specific image flags + x overwritten with result, reset image flag + for triclinic, use h[] to add in tilt factors in other dims as needed +------------------------------------------------------------------------- */ + +void Domain::unmap_inv(double *x, imageint image) +{ + int xbox = (image & IMGMASK) - IMGMAX; + int ybox = (image >> IMGBITS & IMGMASK) - IMGMAX; + int zbox = (image >> IMG2BITS) - IMGMAX; + + if (triclinic == 0) { + x[0] -= xbox*xprd; + x[1] -= ybox*yprd; + x[2] -= zbox*zprd; + } else { + x[0] -= h[0]*xbox + h[5]*ybox + h[4]*zbox; + x[1] -= h[1]*ybox + h[3]*zbox; + x[2] -= h[2]*zbox; + } +} + /* ---------------------------------------------------------------------- unmap the point via image flags x overwritten with result, don't reset image flag diff --git a/src/domain.h b/src/domain.h index da574bd46f..ab054f1b50 100644 --- a/src/domain.h +++ b/src/domain.h @@ -125,6 +125,7 @@ class Domain : protected Pointers { void remap(double *, imageint &); void remap(double *); void remap_near(double *, double *); + void unmap_inv(double *x, imageint); void unmap(double *, imageint); void unmap(const double *, imageint, double *); void image_flip(int, int, int); diff --git a/src/library.cpp b/src/library.cpp index cc4e748f57..0fcedfc20b 100644 --- a/src/library.cpp +++ b/src/library.cpp @@ -247,6 +247,8 @@ void *lammps_open_no_mpi(int argc, char **argv, void **ptr) * \verbatim embed:rst +.. versionadded:: 18Sep2020 + This function is a version of :cpp:func:`lammps_open`, that uses an integer for the MPI communicator as the MPI Fortran interface does. It is used in the :f:func:`lammps` constructor of the LAMMPS Fortran @@ -257,8 +259,6 @@ communicator with ``MPI_Comm_f2c()`` and then calls If for some reason the creation or initialization of the LAMMPS instance fails a null pointer is returned. -.. versionadded:: 18Sep2020 - *See also* :cpp:func:`lammps_open_fortran`, :cpp:func:`lammps_open_no_mpi` @@ -304,13 +304,13 @@ void lammps_close(void *handle) * \verbatim embed:rst +.. versionadded:: 18Sep2020 + The MPI standard requires that any MPI application must call ``MPI_Init()`` exactly once before performing any other MPI function calls. This function checks, whether MPI is already initialized and calls ``MPI_Init()`` in case it is not. -.. versionadded:: 18Sep2020 - \endverbatim */ void lammps_mpi_init() @@ -333,6 +333,8 @@ void lammps_mpi_init() * \verbatim embed:rst +.. versionadded:: 18Sep2020 + The MPI standard requires that any MPI application calls ``MPI_Finalize()`` before exiting. Even if a calling program does not do any MPI calls, MPI is still initialized internally to avoid errors @@ -341,8 +343,6 @@ before exiting the program to wait until all (parallel) tasks are completed and then MPI is cleanly shut down. After calling this function no more MPI calls may be made. -.. versionadded:: 18Sep2020 - *See also* :cpp:func:`lammps_kokkos_finalize`, :cpp:func:`lammps_python_finalize` \endverbatim */ @@ -366,6 +366,8 @@ void lammps_mpi_finalize() * \verbatim embed:rst +.. versionadded:: 2Jul2021 + The Kokkos library may only be initialized once during the execution of a process. This is done automatically the first time Kokkos functionality is used. This requires that the Kokkos environment @@ -373,8 +375,6 @@ must be explicitly shut down after any LAMMPS instance using it is closed (to release associated resources). After calling this function no Kokkos functionality may be used. -.. versionadded:: 2Jul2021 - *See also* :cpp:func:`lammps_mpi_finalize`, :cpp:func:`lammps_python_finalize` \endverbatim */ @@ -390,6 +390,8 @@ void lammps_kokkos_finalize() * \verbatim embed:rst +.. versionadded:: 20Sep2021 + This function resets and clears an embedded Python environment by calling the `Py_Finalize() function `_ @@ -409,8 +411,6 @@ after calling Py_Finalize(). This function can be called to explicitly clear the Python environment in case it is safe to do so. -.. versionadded:: 20Sep2021 - *See also* :cpp:func:`lammps_mpi_finalize`, :cpp:func:`lammps_kokkos_finalize` \endverbatim */ @@ -427,6 +427,8 @@ void lammps_python_finalize() * \verbatim embed:rst +.. versionadded:: 3Nov2022 + This function is a wrapper around functions in the ``Error`` to print an error message and then stop LAMMPS. @@ -435,8 +437,6 @@ of constants from :cpp:enum:`_LMP_ERROR_CONST`. If the value does not match any valid combination of constants a warning is printed and the function returns. -.. versionadded:: 3Nov2022 - \endverbatim * * \param handle pointer to a previously created LAMMPS instance @@ -719,14 +719,16 @@ double lammps_get_natoms(void *handle) /* ---------------------------------------------------------------------- */ -/** Get current value of a thermo keyword. +/** Evaluate a thermo keyword. * \verbatim embed:rst -This function returns the current value of a :doc:`thermo keyword -`. Unlike :cpp:func:`lammps_extract_global` it does not -give access to the storage of the desired data but returns its value as -a ``double``, so it can also return information that is computed on-the-fly. +This function returns the current value of a :doc:`thermo keyword `. +Unlike :cpp:func:`lammps_extract_global` it does not give access to the +storage of the desired data but returns its value as a ``double``, so it +can also return information that is computed on-the-fly. +Use :cpp:func:`lammps_last_thermo` to get access to the cached data from +the last thermo output. \endverbatim * @@ -750,6 +752,117 @@ double lammps_get_thermo(void *handle, const char *keyword) /* ---------------------------------------------------------------------- */ +/** Access cached data from last thermo output + * +\verbatim embed:rst + +.. versionadded:: TBD + +This function provides access to cached data from the last thermo output. +This differs from :cpp:func:`lammps_get_thermo` in that it does not trigger +an evaluation. Instead it provides direct access to a read-only location +of the last thermo output data and the corresponding keyword strings. +The how to handle the return value depends on the value of the *what* +argument string. + +.. note:: + + The *type* property points to a static location that is reassigned + with every call, so the returned pointer should be recast, + dereferenced, and assigned immediately. Otherwise, its value may be + changed with the next invocation of the function. + +.. list-table:: + :header-rows: 1 + :widths: auto + + * - Value of *what* + - Description of return value + - Data type + - Uses index + * - step + - timestep when the last thermo output was generated or -1 + - pointer to bigint + - no + * - num + - number of fields in thermo output + - pointer to int + - no + * - keyword + - column keyword for thermo output + - pointer to 0-terminated const char array + - yes + * - type + - data type of thermo output column; see :cpp:enum:`_LMP_DATATYPE_CONST` + - pointer to static int + - yes + * - data + - actual field data for column + - pointer to int, int64_t or double + - yes + +\endverbatim + * + * \param handle pointer to a previously created LAMMPS instance + * \param what string with the kind of data requested + * \param index integer with index into data arrays, ignored for scalar data + * \return pointer to location of requested data cast to void or NULL */ + +void *lammps_last_thermo(void *handle, const char *what, int index) +{ + auto lmp = (LAMMPS *) handle; + void *val = nullptr; + Thermo *th = lmp->output->thermo; + if (!th) return nullptr; + const int nfield = *th->get_nfield(); + static int datatype; + + BEGIN_CAPTURE + { + if (strcmp(what, "step") == 0) { + val = (void *) th->get_timestep(); + + } else if (strcmp(what, "num") == 0) { + val = (void *) th->get_nfield(); + + } else if (strcmp(what, "keyword") == 0) { + if ((index < 0) || (index >= nfield)) return nullptr; + const auto &keywords = th->get_keywords(); + val = (void *) keywords[index].c_str(); + + } else if (strcmp(what, "type") == 0) { + if ((index < 0) || (index >= nfield)) return nullptr; + const auto &field = th->get_fields()[index]; + if (field.type == multitype::INT) { + datatype = LAMMPS_INT; + val = (void *) &datatype; + } else if (field.type == multitype::BIGINT) { + datatype = LAMMPS_INT64; + val = (void *) &datatype; + } else if (field.type == multitype::DOUBLE) { + datatype = LAMMPS_DOUBLE; + val = (void *) &datatype; + } + + } else if (strcmp(what, "data") == 0) { + if ((index < 0) || (index >= nfield)) return nullptr; + const auto &field = th->get_fields()[index]; + if (field.type == multitype::INT) { + val = (void *) &field.data.i; + } else if (field.type == multitype::BIGINT) { + val = (void *) &field.data.b; + } else if (field.type == multitype::DOUBLE) { + val = (void *) &field.data.d; + } + + } else val = nullptr; + } + END_CAPTURE + return val; +} + +/* ---------------------------------------------------------------------- */ + /** Extract simulation box parameters. * \verbatim embed:rst @@ -877,6 +990,8 @@ void lammps_reset_box(void *handle, double *boxlo, double *boxhi, * \verbatim embed:rst +.. versionadded:: 18Sep2020 + This function will retrieve memory usage information for the current LAMMPS instance or process. The *meminfo* buffer will be filled with 3 different numbers (if supported by the operating system). The first @@ -889,8 +1004,6 @@ third number is the maximum amount of RAM (not swap) used by the process so far. If any of the two latter parameters is not supported by the operating system it will be set to zero. -.. versionadded:: 18Sep2020 - \endverbatim * * \param handle pointer to a previously created LAMMPS instance @@ -910,6 +1023,8 @@ void lammps_memory_usage(void *handle, double *meminfo) * \verbatim embed:rst +.. versionadded:: 18Sep2020 + This will take the LAMMPS "world" communicator and convert it to an integer using ``MPI_Comm_c2f()``, so it is equivalent to the corresponding MPI communicator in Fortran. This way it can be safely @@ -918,8 +1033,6 @@ to the C language representation use ``MPI_Comm_f2c()``. If LAMMPS was compiled with MPI_STUBS, this function returns -1. -.. versionadded:: 18Sep2020 - *See also* :cpp:func:`lammps_open_fortran` @@ -1182,13 +1295,13 @@ int lammps_extract_setting(void *handle, const char *keyword) * \verbatim embed:rst +.. versionadded:: 18Sep2020 + This function returns an integer that encodes the data type of the global property with the specified name. See :cpp:enum:`_LMP_DATATYPE_CONST` for valid values. Callers of :cpp:func:`lammps_extract_global` can use this information to then decide how to cast the ``void *`` pointer and access the data. -.. versionadded:: 18Sep2020 - \endverbatim * * \param handle pointer to a previously created LAMMPS instance (unused) @@ -1671,13 +1784,13 @@ void *lammps_extract_global(void *handle, const char *name) * \verbatim embed:rst +.. versionadded:: 18Sep2020 + This function returns an integer that encodes the data type of the per-atom property with the specified name. See :cpp:enum:`_LMP_DATATYPE_CONST` for valid values. Callers of :cpp:func:`lammps_extract_atom` can use this information to then decide how to cast the ``void *`` pointer and access the data. -.. versionadded:: 18Sep2020 - \endverbatim * * \param handle pointer to a previously created LAMMPS instance @@ -2206,13 +2319,13 @@ void *lammps_extract_variable(void *handle, const char *name, const char *group) * \verbatim embed:rst +.. versionadded:: 3Nov2022 + This function returns an integer that encodes the data type of the variable with the specified name. See :cpp:enum:`_LMP_VAR_CONST` for valid values. Callers of :cpp:func:`lammps_extract_variable` can use this information to decide how to cast the ``void *`` pointer and access the data. -.. versionadded:: 3Nov2022 - \endverbatim * * \param handle pointer to a previously created LAMMPS instance @@ -3064,6 +3177,8 @@ void lammps_scatter_atoms_subset(void *handle, const char *name, int type, * \verbatim embed:rst +.. versionadded:: 28Jul2021 + This function copies the list of all bonds into a buffer provided by the calling code. The buffer will be filled with bond type, bond atom 1, bond atom 2 for each bond. Thus the buffer has to be allocated to the @@ -3078,8 +3193,6 @@ When running in parallel, the data buffer must be allocated on **all** MPI ranks and will be filled with the information for **all** bonds in the system. -.. versionadded:: 28Jul2021 - Below is a brief C code demonstrating accessing this collected bond information. .. code-block:: c @@ -3159,7 +3272,8 @@ void lammps_gather_bonds(void *handle, void *data) } tagint **bonds; - lmp->memory->create(bonds, localbonds, 3, "library:gather_bonds:localbonds"); + // add 1 to localbonds, so "bonds" does not become a NULL pointer + lmp->memory->create(bonds, localbonds+1, 3, "library:gather_bonds:localbonds"); lmp->atom->avec->pack_bond(bonds); MPI_Allgatherv(&bonds[0][0], 3*localbonds, MPI_LMP_TAGINT, data, bufsizes, bufoffsets, MPI_LMP_TAGINT, lmp->world); @@ -3174,6 +3288,8 @@ void lammps_gather_bonds(void *handle, void *data) * \verbatim embed:rst +.. versionadded:: 8Feb2023 + This function copies the list of all angles into a buffer provided by the calling code. The buffer will be filled with angle type, angle atom 1, angle atom 2, angle atom 3 for each angle. Thus the buffer has to be allocated to the @@ -3188,8 +3304,6 @@ When running in parallel, the data buffer must be allocated on **all** MPI ranks and will be filled with the information for **all** angles in the system. -.. versionadded:: 8Feb2023 - Below is a brief C code demonstrating accessing this collected angle information. .. code-block:: c @@ -3269,7 +3383,8 @@ void lammps_gather_angles(void *handle, void *data) } tagint **angles; - lmp->memory->create(angles, localangles, 4, "library:gather_angles:localangles"); + // add 1 to localangles, so "angles" does not become a NULL pointer + lmp->memory->create(angles, localangles+1, 4, "library:gather_angles:localangles"); lmp->atom->avec->pack_angle(angles); MPI_Allgatherv(&angles[0][0], 4*localangles, MPI_LMP_TAGINT, data, bufsizes, bufoffsets, MPI_LMP_TAGINT, lmp->world); @@ -3284,6 +3399,8 @@ void lammps_gather_angles(void *handle, void *data) * \verbatim embed:rst +.. versionadded:: 8Feb2023 + This function copies the list of all dihedrals into a buffer provided by the calling code. The buffer will be filled with dihedral type, dihedral atom 1, dihedral atom 2, dihedral atom 3, dihedral atom 4 for each dihedral. @@ -3299,8 +3416,6 @@ When running in parallel, the data buffer must be allocated on **all** MPI ranks and will be filled with the information for **all** dihedrals in the system. -.. versionadded:: 8Feb2023 - Below is a brief C code demonstrating accessing this collected dihedral information. .. code-block:: c @@ -3380,7 +3495,8 @@ void lammps_gather_dihedrals(void *handle, void *data) } tagint **dihedrals; - lmp->memory->create(dihedrals, localdihedrals, 5, "library:gather_dihedrals:localdihedrals"); + // add 1 to localdihedrals, so "dihedrals" does not become a NULL pointer + lmp->memory->create(dihedrals, localdihedrals+1, 5, "library:gather_dihedrals:localdihedrals"); lmp->atom->avec->pack_dihedral(dihedrals); MPI_Allgatherv(&dihedrals[0][0], 5*localdihedrals, MPI_LMP_TAGINT, data, bufsizes, bufoffsets, MPI_LMP_TAGINT, lmp->world); @@ -3395,6 +3511,8 @@ void lammps_gather_dihedrals(void *handle, void *data) * \verbatim embed:rst +.. versionadded:: 8Feb2023 + This function copies the list of all impropers into a buffer provided by the calling code. The buffer will be filled with improper type, improper atom 1, improper atom 2, improper atom 3, improper atom 4 for each improper. @@ -3410,8 +3528,6 @@ When running in parallel, the data buffer must be allocated on **all** MPI ranks and will be filled with the information for **all** impropers in the system. -.. versionadded:: 8Feb2023 - Below is a brief C code demonstrating accessing this collected improper information. .. code-block:: c @@ -3491,7 +3607,8 @@ void lammps_gather_impropers(void *handle, void *data) } tagint **impropers; - lmp->memory->create(impropers, localimpropers, 5, "library:gather_impropers:localimpropers"); + // add 1 to localimpropers, so "impropers" does not become a NULL pointer + lmp->memory->create(impropers, localimpropers+1, 5, "library:gather_impropers:localimpropers"); lmp->atom->avec->pack_improper(impropers); MPI_Allgatherv(&impropers[0][0], 5*localimpropers, MPI_LMP_TAGINT, data, bufsizes, bufoffsets, MPI_LMP_TAGINT, lmp->world); @@ -5204,6 +5321,8 @@ int lammps_version(void *handle) * \verbatim embed:rst +.. versionadded:: 9Oct2020 + The :cpp:func:`lammps_get_os_info` function can be used to retrieve detailed information about the hosting operating system and compiler/runtime. @@ -5212,8 +5331,6 @@ A suitable buffer for a C-style string has to be provided and its length. The assembled text will be truncated to not overflow this buffer. The string is typically a few hundred bytes long. -.. versionadded:: 9Oct2020 - \endverbatim * * \param buffer string buffer to copy the information to @@ -5442,6 +5559,8 @@ int lammps_config_accelerator(const char *package, * \verbatim embed:rst +.. versionadded:: 14May2021 + The :cpp:func:`lammps_has_gpu_device` function checks at runtime if an accelerator device is present that can be used with the :doc:`GPU package `. If at least one suitable device is @@ -5451,8 +5570,6 @@ More detailed information about the available device or devices can be obtained by calling the :cpp:func:`lammps_get_gpu_device_info` function. -.. versionadded:: 14May2021 - \endverbatim * * \return 1 if viable device is available, 0 if not. */ @@ -5466,6 +5583,8 @@ int lammps_has_gpu_device() * \verbatim embed:rst +.. versionadded:: 14May2021 + The :cpp:func:`lammps_get_gpu_device_info` function can be used to retrieve detailed information about any accelerator devices that are viable for use with the :doc:`GPU package `. It will produce a string that is @@ -5477,8 +5596,6 @@ A suitable buffer for a C-style string has to be provided and its length. The assembled text will be truncated to not overflow this buffer. This string can be several kilobytes long, if multiple devices are present. -.. versionadded:: 14May2021 - \endverbatim * * \param buffer string buffer to copy the information to @@ -5575,12 +5692,13 @@ int lammps_style_name(void *handle, const char *category, int idx, /** Check if a specific ID exists in the current LAMMPS instance * \verbatim embed:rst + +.. versionadded:: 9Oct2020 + This function checks if the current LAMMPS instance a *category* ID of the given *name* exists. Valid categories are: *compute*\ , *dump*\ , *fix*\ , *group*\ , *molecule*\ , *region*\ , and *variable*\ . -.. versionadded:: 9Oct2020 - \endverbatim * * \param handle pointer to a previously created LAMMPS instance cast to ``void *``. @@ -5614,13 +5732,14 @@ int lammps_has_id(void *handle, const char *category, const char *name) { /** Count the number of IDs of a category. * \verbatim embed:rst + +.. versionadded:: 9Oct2020 + This function counts how many IDs in the provided *category* are defined in the current LAMMPS instance. Please see :cpp:func:`lammps_has_id` for a list of valid categories. -.. versionadded:: 9Oct2020 - \endverbatim * * \param handle pointer to a previously created LAMMPS instance cast to ``void *``. @@ -5652,6 +5771,9 @@ int lammps_id_count(void *handle, const char *category) { /** Look up the name of an ID by index in the list of IDs of a given category. * \verbatim embed:rst + +.. versionadded:: 9Oct2020 + This function copies the name of the *category* ID with the index *idx* into the provided C-style string buffer. The length of the buffer must be provided as *buf_size* argument. If the name of the style @@ -5659,8 +5781,6 @@ exceeds the length of the buffer, it will be truncated accordingly. If the index is out of range, the function returns 0 and *buffer* is set to an empty string, otherwise 1. -.. versionadded:: 9Oct2020 - \endverbatim * * \param handle pointer to a previously created LAMMPS instance cast to ``void *``. @@ -5723,10 +5843,11 @@ int lammps_id_name(void *handle, const char *category, int idx, char *buffer, in /** Count the number of loaded plugins * \verbatim embed:rst -This function counts how many plugins are currently loaded. .. versionadded:: 10Mar2021 +This function counts how many plugins are currently loaded. + \endverbatim * * \return number of loaded plugins @@ -5745,6 +5866,9 @@ int lammps_plugin_count() /** Look up the info of a loaded plugin by its index in the list of plugins * \verbatim embed:rst + +.. versionadded:: 10Mar2021 + This function copies the name of the *style* plugin with the index *idx* into the provided C-style string buffer. The length of the buffer must be provided as *buf_size* argument. If the name of the style @@ -5752,8 +5876,6 @@ exceeds the length of the buffer, it will be truncated accordingly. If the index is out of range, the function returns 0 and *buffer* is set to an empty string, otherwise 1. -.. versionadded:: 10Mar2021 - \endverbatim * * \param idx index of the plugin in the list all or *style* plugins @@ -5912,9 +6034,11 @@ void lammps_set_fix_external_callback(void *handle, const char *id, FixExternalF \verbatim embed:rst -Fix :doc:`external ` allows programs that are running LAMMPS through -its library interface to add or modify certain LAMMPS properties on specific -timesteps, similar to the way other fixes do. +.. versionadded:: 28Jul2021 + +Fix :doc:`external ` allows programs that are running +LAMMPS through its library interface to add or modify certain LAMMPS +properties on specific timesteps, similar to the way other fixes do. This function provides access to the per-atom force storage in a fix external instance with the given fix-ID to be added to the individual @@ -5927,12 +6051,12 @@ data structures can change as well as the order of atom as they migrate between MPI processes because of the domain decomposition parallelization, this function should be always called immediately before the forces are going to be set to get an up-to-date pointer. -You can use, for example, :cpp:func:`lammps_extract_setting` to obtain the -number of local atoms `nlocal` and then assume the dimensions of the returned -force array as ``double force[nlocal][3]``. +You can use, for example, :cpp:func:`lammps_extract_setting` to obtain +the number of local atoms `nlocal` and then assume the dimensions of +the returned force array as ``double force[nlocal][3]``. -This is an alternative to the callback mechanism in fix external set up by -:cpp:func:`lammps_set_fix_external_callback`. The main difference is +This is an alternative to the callback mechanism in fix external set up +by :cpp:func:`lammps_set_fix_external_callback`. The main difference is that this mechanism can be used when forces are be pre-computed and the control alternates between LAMMPS and the external code, while the callback mechanism can call the external code to compute the force when @@ -5942,8 +6066,6 @@ Please see the documentation for :doc:`fix external ` for more information about how to use the fix and how to couple it with an external code. -.. versionadded:: 28Jul2021 - \endverbatim * * \param handle pointer to a previously created LAMMPS instance cast to ``void *``. @@ -5974,6 +6096,8 @@ double **lammps_fix_external_get_force(void *handle, const char *id) \verbatim embed:rst +.. versionadded:: 28Jul2021 + This is a companion function to :cpp:func:`lammps_set_fix_external_callback` and :cpp:func:`lammps_fix_external_get_force` to also set the contribution to the global energy from the external code. The value of the *eng* @@ -5990,8 +6114,6 @@ Please see the documentation for :doc:`fix external ` for more information about how to use the fix and how to couple it with an external code. -.. versionadded:: 28Jul2021 - \endverbatim * * \param handle pointer to a previously created LAMMPS instance cast to ``void *``. @@ -6020,6 +6142,8 @@ void lammps_fix_external_set_energy_global(void *handle, const char *id, double \verbatim embed:rst +.. versionadded:: 28Jul2021 + This is a companion function to :cpp:func:`lammps_set_fix_external_callback` and :cpp:func:`lammps_fix_external_get_force` to set the contribution to the global virial from the external code. @@ -6038,8 +6162,6 @@ Please see the documentation for :doc:`fix external ` for more information about how to use the fix and how to couple it with an external code. -.. versionadded:: 28Jul2021 - \endverbatim * * \param handle pointer to a previously created LAMMPS instance cast to ``void *``. @@ -6068,6 +6190,8 @@ void lammps_fix_external_set_virial_global(void *handle, const char *id, double \verbatim embed:rst +.. versionadded:: 28Jul2021 + This is a companion function to :cpp:func:`lammps_set_fix_external_callback` to set the per-atom energy contribution due to the fix from the external code as part of the callback function. For this to work, the handle to the @@ -6086,8 +6210,6 @@ Please see the documentation for :doc:`fix external ` for more information about how to use the fix and how to couple it with an external code. -.. versionadded:: 28Jul2021 - \endverbatim * * \param handle pointer to a previously created LAMMPS instance cast to ``void *``. @@ -6116,6 +6238,8 @@ void lammps_fix_external_set_energy_peratom(void *handle, const char *id, double \verbatim embed:rst +.. versionadded:: 28Jul2021 + This is a companion function to :cpp:func:`lammps_set_fix_external_callback` to set the per-atom virial contribution due to the fix from the external code as part of the callback function. For this to work, the handle to the @@ -6137,8 +6261,6 @@ Please see the documentation for :doc:`fix external ` for more information about how to use the fix and how to couple it with an external code. -.. versionadded:: 28Jul2021 - \endverbatim * * \param handle pointer to a previously created LAMMPS instance cast to ``void *``. @@ -6167,6 +6289,8 @@ void lammps_fix_external_set_virial_peratom(void *handle, const char *id, double \verbatim embed:rst +.. versionadded:: 28Jul2021 + This is a companion function to :cpp:func:`lammps_set_fix_external_callback` and :cpp:func:`lammps_fix_external_get_force` to set the length of a global vector of properties that will be stored with the fix via @@ -6181,8 +6305,6 @@ Please see the documentation for :doc:`fix external ` for more information about how to use the fix and how to couple it with an external code. -.. versionadded:: 28Jul2021 - \endverbatim * * \param handle pointer to a previously created LAMMPS instance cast to ``void *``. @@ -6211,6 +6333,8 @@ void lammps_fix_external_set_vector_length(void *handle, const char *id, int len \verbatim embed:rst +.. versionadded:: 28Jul2021 + This is a companion function to :cpp:func:`lammps_set_fix_external_callback` and :cpp:func:`lammps_fix_external_get_force` to set the values of a global vector of properties that will be stored with the fix. And can be accessed from @@ -6234,8 +6358,6 @@ Please see the documentation for :doc:`fix external ` for more information about how to use the fix and how to couple it with an external code. -.. versionadded:: 28Jul2021 - \endverbatim * * \param handle pointer to a previously created LAMMPS instance cast to ``void *``. @@ -6407,12 +6529,13 @@ int lammps_get_last_error_message(void *handle, char *buffer, int buf_size) { /** Return API version of embedded Python interpreter \verbatim embed:rst + +.. versionadded:: 3Nov2022 + This function is used by the ML-IAP python code (mliappy) to verify the API version of the embedded python interpreter of the PYTHON package. It returns -1 if the PYTHON package is not enabled. -.. versionadded:: 3Nov2022 - \endverbatim * * \return PYTHON_API_VERSION constant of the python interpreter or -1 */ diff --git a/src/library.h b/src/library.h index 340b0edb7b..5f46e36ccf 100644 --- a/src/library.h +++ b/src/library.h @@ -148,6 +148,7 @@ void lammps_commands_string(void *handle, const char *str); double lammps_get_natoms(void *handle); double lammps_get_thermo(void *handle, const char *keyword); +void *lammps_last_thermo(void *handle, const char *what, int index); void lammps_extract_box(void *handle, double *boxlo, double *boxhi, double *xy, double *yz, double *xz, int *pflags, int *boxflag); diff --git a/src/lmptype.h b/src/lmptype.h index ecd6ee5761..6e0b54d988 100644 --- a/src/lmptype.h +++ b/src/lmptype.h @@ -95,7 +95,7 @@ typedef int64_t bigint; #define MAXSMALLINT INT_MAX #define MAXTAGINT INT_MAX #define MAXBIGINT INT64_MAX -#define MAXDOUBLEINT 9007199254740992 // 2^53 +#define MAXDOUBLEINT 9007199254740992 // 2^53 #define MPI_LMP_TAGINT MPI_INT #define MPI_LMP_IMAGEINT MPI_INT @@ -133,7 +133,7 @@ typedef int64_t bigint; #define MAXSMALLINT INT_MAX #define MAXTAGINT INT64_MAX #define MAXBIGINT INT64_MAX -#define MAXDOUBLEINT 9007199254740992 // 2^53 +#define MAXDOUBLEINT 9007199254740992 // 2^53 #define MPI_LMP_TAGINT MPI_LL #define MPI_LMP_IMAGEINT MPI_LL @@ -232,6 +232,84 @@ union ubuf { ubuf(const int64_t &arg) : i(arg) {} ubuf(const int &arg) : i(arg) {} }; + +/** Data structure for dynamic typing of int, bigint, and double + * + * Using this union allows to store any of the supported data types + * in the same container and allows to "see" its current type. +\verbatim embed:rst + +**Usage:** + +.. code-block:: c++ + :caption: To store data in multitype array: + + multitype m[5]; + int foo = 1; + double bar = 2.5; + bigint baz = 1<<40 - 1; + m[0] = foo; + m[1] = bar; + m[2] = -1; + m[3] = 2.0; + m[4] = baz; + +.. code-block:: c++ + :caption: To format data from multitype array into a space separated string: + + std::string str; + for (int i = 0; i < 5; ++i) { + switch (m[i].type) { + case multitype::DOUBLE: + str += std::to_string(m[i].data.d) + ' '; + break; + case multitype::INT: + str += std::to_string(m[i].data.i) + ' '; + break; + case multitype::BIGINT: + str += std::to_string(m[i].data.b) + ' '; + break; + default: + break; + } + } +\endverbatim + */ +struct multitype { + enum { NONE, DOUBLE, INT, BIGINT }; + + int type; + union { + double d; + int i; + int64_t b; + } data; + + multitype() : type(NONE) { data.d = 0.0; } + multitype(const multitype &) = default; + multitype(multitype &&) = default; + ~multitype() = default; + + multitype &operator=(const double &_d) + { + type = DOUBLE; + data.d = _d; + return *this; + } + multitype &operator=(const int &_i) + { + type = INT; + data.i = _i; + return *this; + } + multitype &operator=(const int64_t &_b) + { + type = BIGINT; + data.b = _b; + return *this; + } +}; + } // namespace LAMMPS_NS // preprocessor macros for compiler specific settings diff --git a/src/my_page.h b/src/my_page.h index 6c06abd71e..ea19dc8e74 100644 --- a/src/my_page.h +++ b/src/my_page.h @@ -104,6 +104,9 @@ template class MyPage { int errorflag; // flag > 0 if error has occurred // 1 = chunk size exceeded maxchunk // 2 = memory allocation error +#if defined(_OPENMP) + char pad[64]; // to avoid false sharing with multi-threading +#endif void allocate(); void deallocate(); }; diff --git a/src/output.cpp b/src/output.cpp index 6282b85b76..6e57122ffe 100644 --- a/src/output.cpp +++ b/src/output.cpp @@ -190,6 +190,32 @@ void Output::setup(int memflag) { bigint ntimestep = update->ntimestep; + // print memory usage unless being called between multiple runs + + if (memflag) memory_usage(); + + // set next_thermo to multiple of every or variable eval if var defined + // ensure thermo output on last step of run + // thermo may invoke computes so wrap with clear/add + + modify->clearstep_compute(); + + thermo->header(); + thermo->compute(0); + last_thermo = ntimestep; + + if (var_thermo) { + next_thermo = static_cast + (input->variable->compute_equal(ivar_thermo)); + if (next_thermo <= ntimestep) + error->all(FLERR,"Thermo every variable returned a bad timestep"); + } else if (thermo_every) { + next_thermo = (ntimestep/thermo_every)*thermo_every + thermo_every; + next_thermo = MIN(next_thermo,update->laststep); + } else next_thermo = update->laststep; + + modify->addstep_compute(next_thermo); + // consider all dumps // decide whether to write snapshot and/or calculate next step for dump @@ -257,7 +283,7 @@ void Output::setup(int memflag) next_dump_any = MIN(next_dump_any,next_dump[idump]); } - // if no dumps, set next_dump_any to last+1 so will not influence next + // if no dumps, set next_dump_any to last+1 so will not influence next } else next_dump_any = update->laststep + 1; @@ -276,7 +302,8 @@ void Output::setup(int memflag) auto nextrestart = static_cast (input->variable->compute_equal(ivar_restart_single)); if (nextrestart <= ntimestep) - error->all(FLERR,"Restart variable returned a bad timestep"); + error->all(FLERR,"Restart variable returned a bad next timestep: {} vs {}", + nextrestart, ntimestep); next_restart_single = nextrestart; } } else next_restart_single = update->laststep + 1; @@ -289,39 +316,14 @@ void Output::setup(int memflag) auto nextrestart = static_cast (input->variable->compute_equal(ivar_restart_double)); if (nextrestart <= ntimestep) - error->all(FLERR,"Restart variable returned a bad timestep"); + error->all(FLERR,"Restart variable returned a bad next timestep: {} vs {}", + nextrestart, ntimestep); next_restart_double = nextrestart; } } else next_restart_double = update->laststep + 1; next_restart = MIN(next_restart_single,next_restart_double); } else next_restart = update->laststep + 1; - // print memory usage unless being called between multiple runs - - if (memflag) memory_usage(); - - // set next_thermo to multiple of every or variable eval if var defined - // ensure thermo output on last step of run - // thermo may invoke computes so wrap with clear/add - - modify->clearstep_compute(); - - thermo->header(); - thermo->compute(0); - last_thermo = ntimestep; - - if (var_thermo) { - next_thermo = static_cast - (input->variable->compute_equal(ivar_thermo)); - if (next_thermo <= ntimestep) - error->all(FLERR,"Thermo every variable returned a bad timestep"); - } else if (thermo_every) { - next_thermo = (ntimestep/thermo_every)*thermo_every + thermo_every; - next_thermo = MIN(next_thermo,update->laststep); - } else next_thermo = update->laststep; - - modify->addstep_compute(next_thermo); - // next = next timestep any output will be done next = MIN(next_dump_any,next_restart); @@ -336,6 +338,24 @@ void Output::setup(int memflag) void Output::write(bigint ntimestep) { + // ensure next_thermo forces output on last step of run + // thermo may invoke computes so wrap with clear/add + + if (next_thermo == ntimestep) { + modify->clearstep_compute(); + if (last_thermo != ntimestep) thermo->compute(1); + last_thermo = ntimestep; + if (var_thermo) { + next_thermo = static_cast + (input->variable->compute_equal(ivar_thermo)); + if (next_thermo <= ntimestep) + error->all(FLERR,"Thermo every variable returned a bad timestep"); + } else if (thermo_every) next_thermo += thermo_every; + else next_thermo = update->laststep; + next_thermo = MIN(next_thermo,update->laststep); + modify->addstep_compute(next_thermo); + } + // perform dump if its next_dump = current ntimestep // but not if it was already written on this step // set next_dump and also next_time_dump for mode_dump = 1 @@ -401,7 +421,8 @@ void Output::write(bigint ntimestep) auto nextrestart = static_cast (input->variable->compute_equal(ivar_restart_single)); if (nextrestart <= ntimestep) - error->all(FLERR,"Restart variable returned a bad timestep"); + error->all(FLERR,"Restart variable returned a bad next timestep: {} vs {}", + nextrestart, ntimestep); next_restart_single = nextrestart; modify->addstep_compute(next_restart_single); } @@ -424,7 +445,8 @@ void Output::write(bigint ntimestep) auto nextrestart = static_cast (input->variable->compute_equal(ivar_restart_double)); if (nextrestart <= ntimestep) - error->all(FLERR,"Restart variable returned a bad timestep"); + error->all(FLERR,"Restart variable returned a bad next timestep: {} <= {}", + nextrestart, ntimestep); next_restart_double = nextrestart; modify->addstep_compute(next_restart_double); } @@ -433,24 +455,6 @@ void Output::write(bigint ntimestep) next_restart = MIN(next_restart_single,next_restart_double); } - // ensure next_thermo forces output on last step of run - // thermo may invoke computes so wrap with clear/add - - if (next_thermo == ntimestep) { - modify->clearstep_compute(); - if (last_thermo != ntimestep) thermo->compute(1); - last_thermo = ntimestep; - if (var_thermo) { - next_thermo = static_cast - (input->variable->compute_equal(ivar_thermo)); - if (next_thermo <= ntimestep) - error->all(FLERR,"Thermo every variable returned a bad timestep"); - } else if (thermo_every) next_thermo += thermo_every; - else next_thermo = update->laststep; - next_thermo = MIN(next_thermo,update->laststep); - modify->addstep_compute(next_thermo); - } - // next = next timestep any output will be done next = MIN(next_dump_any,next_restart); @@ -647,7 +651,8 @@ void Output::reset_timestep(bigint ntimestep) auto nextrestart = static_cast (input->variable->compute_equal(ivar_restart_single)); if (nextrestart < ntimestep) - error->all(FLERR,"Restart variable returned a bad timestep"); + error->all(FLERR,"Restart variable returned a bad next timestep: {} <= {}", + nextrestart, ntimestep); update->ntimestep++; next_restart_single = nextrestart; modify->addstep_compute(next_restart_single); @@ -666,7 +671,8 @@ void Output::reset_timestep(bigint ntimestep) auto nextrestart = static_cast (input->variable->compute_equal(ivar_restart_double)); if (nextrestart < ntimestep) - error->all(FLERR,"Restart variable returned a bad timestep"); + error->all(FLERR,"Restart variable returned a bad next timestep: {} <= {}", + nextrestart, ntimestep); update->ntimestep++; next_restart_double = nextrestart; modify->addstep_compute(next_restart_double); diff --git a/src/thermo.cpp b/src/thermo.cpp index 0503018a3a..6122edec83 100644 --- a/src/thermo.cpp +++ b/src/thermo.cpp @@ -111,6 +111,7 @@ Thermo::Thermo(LAMMPS *_lmp, int narg, char **arg) : lostflag = lostbond = Thermo::ERROR; lostbefore = warnbefore = 0; flushflag = 0; + ntimestep = -1; // set style and corresponding lineflag // custom style builds its own line of keywords, including wildcard expansion @@ -201,6 +202,8 @@ void Thermo::init() ValueTokenizer *format_line = nullptr; if (format_line_user.size()) format_line = new ValueTokenizer(format_line_user); + field_data.clear(); + field_data.resize(nfield); std::string format_this, format_line_user_def; for (int i = 0; i < nfield; i++) { @@ -208,6 +211,14 @@ void Thermo::init() format_this.clear(); format_line_user_def.clear(); + if (vtype[i] == FLOAT) { + field_data[i] = (double) 0.0; + } else if (vtype[i] == INT) { + field_data[i] = (int) 0; + } else if (vtype[i] == BIGINT) { + field_data[i] = (bigint) 0; + } + if ((lineflag == MULTILINE) && ((i % 3) == 0)) format[i] += "\n"; if ((lineflag == YAMLLINE) && (i == 0)) format[i] += " - ["; if (format_line) format_line_user_def = format_line->next_string(); @@ -361,7 +372,7 @@ void Thermo::compute(int flag) int i; firststep = flag; - bigint ntimestep = update->ntimestep; + ntimestep = update->ntimestep; // check for lost atoms // turn off normflag if natoms = 0 to avoid divide by 0 @@ -405,18 +416,23 @@ void Thermo::compute(int flag) } // add each thermo value to line with its specific format + field_data.clear(); + field_data.resize(nfield); for (ifield = 0; ifield < nfield; ifield++) { (this->*vfunc[ifield])(); if (vtype[ifield] == FLOAT) { snprintf(fmtbuf, sizeof(fmtbuf), format[ifield].c_str(), dvalue); line += fmtbuf; + field_data[ifield] = dvalue; } else if (vtype[ifield] == INT) { snprintf(fmtbuf, sizeof(fmtbuf), format[ifield].c_str(), ivalue); line += fmtbuf; + field_data[ifield] = ivalue; } else if (vtype[ifield] == BIGINT) { snprintf(fmtbuf, sizeof(fmtbuf), format[ifield].c_str(), bivalue); line += fmtbuf; + field_data[ifield] = bivalue; } } @@ -433,16 +449,6 @@ void Thermo::compute(int flag) firststep = 1; } -/* ---------------------------------------------------------------------- - call function to compute property -------------------------------------------------------------------------- */ - -void Thermo::call_vfunc(int ifield_in) -{ - ifield = ifield_in; - (this->*vfunc[ifield])(); -} - /* ---------------------------------------------------------------------- check for lost atoms, return current number of atoms also could number of warnings across MPI ranks and update total @@ -1062,6 +1068,8 @@ void Thermo::parse_fields(const std::string &str) } } } + field_data.clear(); + field_data.resize(nfield); } /* ---------------------------------------------------------------------- diff --git a/src/thermo.h b/src/thermo.h index eaec3eb9f8..333a282ca0 100644 --- a/src/thermo.h +++ b/src/thermo.h @@ -21,9 +21,6 @@ namespace LAMMPS_NS { class Thermo : protected Pointers { friend class MinCG; // accesses compute_pe - friend class DumpNetCDF; // accesses thermo properties - friend class DumpNetCDFMPIIO; // accesses thermo properties - friend class DumpYAML; // accesses thermo properties public: char *style; @@ -45,6 +42,12 @@ class Thermo : protected Pointers { void compute(int); int evaluate_keyword(const std::string &, double *); + // for accessing cached thermo data + const int *get_nfield() const { return &nfield; } + const bigint *get_timestep() const { return &ntimestep; } + const std::vector &get_fields() const { return field_data; } + const std::vector &get_keywords() const { return keyword; } + private: int nfield, nfield_initial; int *vtype; @@ -52,6 +55,7 @@ class Thermo : protected Pointers { std::vector keyword, format, format_column_user, keyword_user; std::string format_line_user, format_float_user, format_int_user, format_bigint_user; std::map key2col; + std::vector field_data; int normvalue; // use this for normflag unless natoms = 0 int normuserflag; // 0 if user has not set, 1 if has @@ -66,6 +70,7 @@ class Thermo : protected Pointers { bigint last_step; bigint natoms; + bigint ntimestep; // data used by routines that compute single values int ivalue; // integer value to print @@ -114,7 +119,6 @@ class Thermo : protected Pointers { typedef void (Thermo::*FnPtr)(); void addfield(const char *, FnPtr, int); FnPtr *vfunc; // list of ptrs to functions - void call_vfunc(int ifield); void compute_compute(); // functions that compute a single value void compute_fix(); // via calls to Compute,Fix,Variable classes diff --git a/src/variable.cpp b/src/variable.cpp index e11eff2870..456359de2f 100644 --- a/src/variable.cpp +++ b/src/variable.cpp @@ -224,7 +224,7 @@ void Variable::set(int narg, char **arg) if (narg == 5 && strcmp(arg[4],"pad") == 0) { pad[nvar] = fmt::format("{}",nlast).size(); } else pad[nvar] = 0; - } else error->all(FLERR,"Illegal variable loop command: too much arguments"); + } else error->all(FLERR,"Illegal variable loop command: too many arguments"); num[nvar] = nlast; which[nvar] = nfirst-1; data[nvar] = new char*[1]; @@ -1052,7 +1052,7 @@ char *Variable::retrieve(const char *name) if (vecs[ivar].dynamic || vecs[ivar].currentstep != update->ntimestep) { eval_in_progress[ivar] = 0; double *result; - int nvec = compute_vector(ivar,&result); + compute_vector(ivar,&result); delete[] data[ivar][1]; std::vector vectmp(vecs[ivar].values,vecs[ivar].values + vecs[ivar].n); std::string str = fmt::format("[{}]", fmt::join(vectmp,",")); diff --git a/tools/coding_standard/versiontags.py b/tools/coding_standard/versiontags.py index 0b4597046f..ec512a3fad 100644 --- a/tools/coding_standard/versiontags.py +++ b/tools/coding_standard/versiontags.py @@ -21,7 +21,7 @@ DEFAULT_CONFIG = """ recursive: true include: - doc/src/** - - python + - python/** - src/** exclude: - src/Make.sh diff --git a/tools/swig/lammps.i b/tools/swig/lammps.i index b7414573ba..c4ef0a7109 100644 --- a/tools/swig/lammps.i +++ b/tools/swig/lammps.i @@ -113,6 +113,7 @@ extern void lammps_commands_string(void *handle, const char *str); extern double lammps_get_natoms(void *handle); extern double lammps_get_thermo(void *handle, const char *keyword); +extern void *lammps_last_thermo(void *handle, const char *what, int index); extern void lammps_extract_box(void *handle, double *boxlo, double *boxhi, double *xy, double *yz, double *xz, int *pflags, int *boxflag); @@ -295,6 +296,7 @@ extern void lammps_commands_string(void *handle, const char *str); extern double lammps_get_natoms(void *handle); extern double lammps_get_thermo(void *handle, const char *keyword); +extern void *lammps_last_thermo(void *handle, const char *what, int index); extern void lammps_extract_box(void *handle, double *boxlo, double *boxhi, double *xy, double *yz, double *xz, int *pflags, int *boxflag); diff --git a/unittest/c-library/test_library_properties.cpp b/unittest/c-library/test_library_properties.cpp index d6dd55f75e..14eab06213 100644 --- a/unittest/c-library/test_library_properties.cpp +++ b/unittest/c-library/test_library_properties.cpp @@ -14,6 +14,7 @@ #define STRINGIFY(val) XSTR(val) #define XSTR(val) #val +using ::LAMMPS_NS::bigint; using ::LAMMPS_NS::tagint; using ::LAMMPS_NS::platform::path_join; using ::testing::HasSubstr; @@ -93,6 +94,9 @@ TEST_F(LibraryProperties, natoms) TEST_F(LibraryProperties, thermo) { + bigint bval = *(bigint *)lammps_last_thermo(lmp, "step", 0); + EXPECT_EQ(bval, -1); + if (!lammps_has_style(lmp, "atom", "full")) GTEST_SKIP(); std::string input = path_join(INPUT_DIR, "in.fourmol"); ::testing::internal::CaptureStdout(); @@ -105,6 +109,59 @@ TEST_F(LibraryProperties, thermo) EXPECT_DOUBLE_EQ(lammps_get_thermo(lmp, "vol"), 3375.0); EXPECT_DOUBLE_EQ(lammps_get_thermo(lmp, "density"), 0.12211250945013695); EXPECT_DOUBLE_EQ(lammps_get_thermo(lmp, "cellalpha"), 90.0); + + bval = *(bigint *)lammps_last_thermo(lmp, "step", 0); + EXPECT_EQ(bval, 2); + int ival = *(int *)lammps_last_thermo(lmp, "num", 0); + EXPECT_EQ(ival, 6); + + const char *key = (const char *)lammps_last_thermo(lmp, "keyword", 0); + EXPECT_THAT(key, StrEq("Step")); + ival = *(int *)lammps_last_thermo(lmp, "type", 0); +#if defined(LAMMPS_SMALLSMALL) + EXPECT_EQ(ival, LAMMPS_INT); + ival = *(int *)lammps_last_thermo(lmp, "data", 0); + EXPECT_EQ(ival, 2); +#else + EXPECT_EQ(ival, LAMMPS_INT64); + bval = *(bigint *)lammps_last_thermo(lmp, "data", 0); + EXPECT_EQ(bval, 2); +#endif + + key = (const char *)lammps_last_thermo(lmp, "keyword", 1); + EXPECT_THAT(key, StrEq("Temp")); + ival = *(int *)lammps_last_thermo(lmp, "type", 1); + EXPECT_EQ(ival, LAMMPS_DOUBLE); + double dval = *(double *)lammps_last_thermo(lmp, "data", 1); + EXPECT_DOUBLE_EQ(dval, 28.042780385852982); + + key = (const char *)lammps_last_thermo(lmp, "keyword", 2); + EXPECT_THAT(key, StrEq("E_pair")); + ival = *(int *)lammps_last_thermo(lmp, "type", 2); + EXPECT_EQ(ival, LAMMPS_DOUBLE); + dval = *(double *)lammps_last_thermo(lmp, "data", 2); + EXPECT_DOUBLE_EQ(dval, 0.0); + + key = (const char *)lammps_last_thermo(lmp, "keyword", 3); + EXPECT_THAT(key, StrEq("E_mol")); + ival = *(int *)lammps_last_thermo(lmp, "type", 3); + EXPECT_EQ(ival, LAMMPS_DOUBLE); + dval = *(double *)lammps_last_thermo(lmp, "data", 3); + EXPECT_DOUBLE_EQ(dval, 0.0); + + key = (const char *)lammps_last_thermo(lmp, "keyword", 4); + EXPECT_THAT(key, StrEq("TotEng")); + ival = *(int *)lammps_last_thermo(lmp, "type", 4); + EXPECT_EQ(ival, LAMMPS_DOUBLE); + dval = *(double *)lammps_last_thermo(lmp, "data", 4); + EXPECT_DOUBLE_EQ(dval, 2.3405256449146163); + + key = (const char *)lammps_last_thermo(lmp, "keyword", 5); + EXPECT_THAT(key, StrEq("Press")); + ival = *(int *)lammps_last_thermo(lmp, "type", 5); + EXPECT_EQ(ival, LAMMPS_DOUBLE); + dval = *(double *)lammps_last_thermo(lmp, "data", 5); + EXPECT_DOUBLE_EQ(dval, 31.700964689115658); }; TEST_F(LibraryProperties, box) @@ -325,8 +382,8 @@ TEST_F(LibraryProperties, global) EXPECT_EQ(lammps_extract_global_datatype(lmp, "special_lj"), LAMMPS_DOUBLE); EXPECT_EQ(lammps_extract_global_datatype(lmp, "special_coul"), LAMMPS_DOUBLE); - double *special_lj = (double *)lammps_extract_global(lmp, "special_lj"); - double *special_coul= (double *)lammps_extract_global(lmp, "special_coul"); + double *special_lj = (double *)lammps_extract_global(lmp, "special_lj"); + double *special_coul = (double *)lammps_extract_global(lmp, "special_coul"); EXPECT_DOUBLE_EQ(special_lj[0], 1.0); EXPECT_DOUBLE_EQ(special_lj[1], 0.0); EXPECT_DOUBLE_EQ(special_lj[2], 0.5); diff --git a/unittest/commands/test_compute_global.cpp b/unittest/commands/test_compute_global.cpp index 6c365c8c2b..04913f51b5 100644 --- a/unittest/commands/test_compute_global.cpp +++ b/unittest/commands/test_compute_global.cpp @@ -169,7 +169,7 @@ TEST_F(ComputeGlobalTest, Geometry) command("compute mom1 all momentum"); command("compute mom2 allwater momentum"); command("compute mop1 all stress/mop x 0.0 total"); - command("compute mop2 all stress/mop/profile z lower 0.5 kin conf"); + command("compute mop2 all stress/mop/profile z lower 0.5 kin pair"); thermo_style += " c_mu1 c_mu2 c_mop1[*] c_mop2[1][1]"; } @@ -225,9 +225,9 @@ TEST_F(ComputeGlobalTest, Geometry) EXPECT_DOUBLE_EQ(mom2[0], -0.022332069630161717); EXPECT_DOUBLE_EQ(mom2[1], -0.056896553865696115); EXPECT_DOUBLE_EQ(mom2[2], 0.069179891052881484); - EXPECT_DOUBLE_EQ(mop1[0], 3522311.3572200728); - EXPECT_DOUBLE_EQ(mop1[1], 2871104.9055934539); - EXPECT_DOUBLE_EQ(mop1[2], -4136077.5224247416); + EXPECT_DOUBLE_EQ(mop1[0], 3536584.0880458541); + EXPECT_DOUBLE_EQ(mop1[1], 2887485.033995091); + EXPECT_DOUBLE_EQ(mop1[2], -4154145.8952306858); EXPECT_DOUBLE_EQ(mop2[0][0], -8.0869239999999998); EXPECT_DOUBLE_EQ(mop2[0][1], 0.0); EXPECT_DOUBLE_EQ(mop2[0][2], 0.0); diff --git a/unittest/python/python-commands.py b/unittest/python/python-commands.py index 33b19ba4f0..1c25751191 100644 --- a/unittest/python/python-commands.py +++ b/unittest/python/python-commands.py @@ -533,6 +533,33 @@ create_atoms 1 single & result = self.lmp.get_thermo(key) self.assertEqual(value, result, key) + + def test_last_thermo(self): + self.lmp.command("units lj") + self.lmp.command("atom_style atomic") + self.lmp.command("atom_modify map array") + self.lmp.command("boundary f f f") + self.lmp.command("region box block 0 2 0 2 0 2") + self.lmp.command("create_box 1 box") + self.lmp.command("mass * 1") + + x = [ + 0.5, 0.5, 0.5, + 1.5, 1.5, 1.5 + ] + types = [1, 1] + self.lmp.create_atoms(2, id=None, type=types, x=x) + + self.assertEqual(self.lmp.last_thermo(), None) + self.lmp.command("run 2 post no") + ref = { "Step" : 2, + "Temp" : 0.0, + "E_pair" : 0.0, + "E_mol" : 0.0, + "TotEng" : 0.0, + "Press" : 0.0} + self.assertDictEqual(self.lmp.last_thermo(), ref) + def test_extract_global(self): self.lmp.command("region box block -1 1 -2 2 -3 3") self.lmp.command("create_box 1 box") diff --git a/unittest/utils/CMakeLists.txt b/unittest/utils/CMakeLists.txt index a6d5545873..8c1a5a3f6a 100644 --- a/unittest/utils/CMakeLists.txt +++ b/unittest/utils/CMakeLists.txt @@ -7,6 +7,10 @@ add_executable(test_mempool test_mempool.cpp) target_link_libraries(test_mempool PRIVATE lammps GTest::GMockMain) add_test(NAME MemPool COMMAND test_mempool) +add_executable(test_lmptype test_lmptype.cpp) +target_link_libraries(test_lmptype PRIVATE lammps GTest::GMockMain) +add_test(NAME LmpType COMMAND test_lmptype) + add_executable(test_argutils test_argutils.cpp) target_link_libraries(test_argutils PRIVATE lammps GTest::GMockMain) add_test(NAME ArgUtils COMMAND test_argutils) diff --git a/unittest/utils/test_lmptype.cpp b/unittest/utils/test_lmptype.cpp new file mode 100644 index 0000000000..e5dc871953 --- /dev/null +++ b/unittest/utils/test_lmptype.cpp @@ -0,0 +1,79 @@ +/* ---------------------------------------------------------------------- + LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator + https://www.lammps.org/, Sandia National Laboratories + LAMMPS Development team: developers@lammps.org + + Copyright (2003) Sandia Corporation. Under the terms of Contract + DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains + certain rights in this software. This software is distributed under + the GNU General Public License. + + See the README file in the top-level LAMMPS directory. +------------------------------------------------------------------------- */ + +#include "lmptype.h" + +#include "gmock/gmock.h" +#include "gtest/gtest.h" + +#include + +using namespace LAMMPS_NS; + +TEST(Types, ubuf) +{ + double buf[3]; + double d1 = 0.1; + int i1 = -10; +#if defined(LAMMPS_SMALLSMALL) + bigint b1 = 2048; +#else + bigint b1 = (1L << 58) + (1L << 50); +#endif + buf[0] = d1; + buf[1] = ubuf(i1).d; + buf[2] = ubuf(b1).d; + + EXPECT_EQ(d1, buf[0]); + EXPECT_EQ(i1, (int)ubuf(buf[1]).i); + EXPECT_EQ(b1, (bigint)ubuf(buf[2]).i); +} + +TEST(Types, multitype) +{ + multitype m[7]; + int64_t b1 = (3L << 48) - 1; + int i1 = 20; + double d1 = 0.1; + + m[0] = b1; + m[1] = i1; + m[2] = d1; + + m[3] = (bigint) -((1L << 40) + (1L << 50)); + m[4] = -1023; + m[5] = -2.225; + + EXPECT_EQ(m[0].type, multitype::BIGINT); + EXPECT_EQ(m[1].type, multitype::INT); + EXPECT_EQ(m[2].type, multitype::DOUBLE); + +#if defined(LAMMPS_SMALLSMALL) + EXPECT_EQ(m[3].type, multitype::INT); +#else + EXPECT_EQ(m[3].type, multitype::BIGINT); +#endif + EXPECT_EQ(m[4].type, multitype::INT); + EXPECT_EQ(m[5].type, multitype::DOUBLE); + EXPECT_EQ(m[6].type, multitype::NONE); + + EXPECT_EQ(m[0].data.b, b1); + EXPECT_EQ(m[1].data.i, i1); + EXPECT_EQ(m[2].data.d, d1); + +#if !defined(LAMMPS_SMALLSMALL) + EXPECT_EQ(m[3].data.b, -((1L << 40) + (1L << 50))); +#endif + EXPECT_EQ(m[4].data.i, -1023); + EXPECT_EQ(m[5].data.d, -2.225); +}