clean up and correct some documentation link issues
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@ -100,6 +100,7 @@ accelerated styles exist.
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* :doc:`nonlinear <bond_nonlinear>` - nonlinear bond
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* :doc:`oxdna/fene <bond_oxdna>` - modified FENE bond suitable for DNA modeling
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* :doc:`oxdna2/fene <bond_oxdna>` - same as oxdna but used with different pair styles
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* :doc:`oxrna2/fene <bond_oxdna>` - modified FENE bond suitable for RNA modeling
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* :doc:`quartic <bond_quartic>` - breakable quartic bond
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* :doc:`table <bond_table>` - tabulated by bond length
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@ -64,16 +64,16 @@ with new settings). This is the same as if an "unfix" command were
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first performed on the old fix, except that the new fix is kept in the
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same order relative to the existing fixes as the old one originally
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was. Note that this operation also wipes out any additional changes
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made to the old fix via the :doc:`fix\_modify <fix_modify>` command.
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made to the old fix via the :doc:`fix_modify <fix_modify>` command.
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The :doc:`fix modify <fix_modify>` command allows settings for some
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fixes to be reset. See the doc page for individual fixes for details.
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Some fixes store an internal "state" which is written to binary
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restart files via the :doc:`restart <restart>` or
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:doc:`write\_restart <write_restart>` commands. This allows the fix to
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:doc:`write_restart <write_restart>` commands. This allows the fix to
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continue on with its calculations in a restarted simulation. See the
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:doc:`read\_restart <read_restart>` command for info on how to re-specify
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:doc:`read_restart <read_restart>` command for info on how to re-specify
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a fix in an input script that reads a restart file. See the doc pages
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for individual fixes for info on which ones can be restarted.
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@ -133,7 +133,7 @@ various commands explain the details.
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In LAMMPS, the values generated by a fix can be used in several ways:
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* Global values can be output via the :doc:`thermo\_style custom <thermo_style>` or :doc:`fix ave/time <fix_ave_time>` command.
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* Global values can be output via the :doc:`thermo_style custom <thermo_style>` or :doc:`fix ave/time <fix_ave_time>` command.
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Or the values can be referenced in a :doc:`variable equal <variable>` or
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:doc:`variable atom <variable>` command.
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* Per-atom values can be output via the :doc:`dump custom <dump>` command.
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@ -257,6 +257,7 @@ accelerated styles exist.
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* :doc:`mvv/edpd <fix_mvv_dpd>` - constant energy DPD using the modified velocity-Verlet algorithm
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* :doc:`mvv/tdpd <fix_mvv_dpd>` - constant temperature DPD using the modified velocity-Verlet algorithm
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* :doc:`neb <fix_neb>` - nudged elastic band (NEB) spring forces
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* :doc:`neb/spin <fix_neb_spin>` - nudged elastic band (NEB) spring forces for spins
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* :doc:`nph <fix_nh>` - constant NPH time integration via Nose/Hoover
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* :doc:`nph/asphere <fix_nph_asphere>` - NPH for aspherical particles
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* :doc:`nph/body <fix_nph_body>` - NPH for body particles
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@ -339,15 +340,16 @@ accelerated styles exist.
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* :doc:`rx <fix_rx>` -
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* :doc:`saed/vtk <fix_saed_vtk>` -
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* :doc:`setforce <fix_setforce>` - set the force on each atom
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* :doc:`setforce/spin <fix_setforce>` - set magnetic precession vectors on each atom
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* :doc:`shake <fix_shake>` - SHAKE constraints on bonds and/or angles
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* :doc:`shardlow <fix_shardlow>` - integration of DPD equations of motion using the Shardlow splitting
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* :doc:`smd <fix_smd>` - applied a steered MD force to a group
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* :doc:`smd/adjust\_dt <fix_smd_adjust_dt>` -
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* :doc:`smd/integrate\_tlsph <fix_smd_integrate_tlsph>` -
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* :doc:`smd/integrate\_ulsph <fix_smd_integrate_ulsph>` -
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* :doc:`smd/move\_tri\_surf <fix_smd_move_triangulated_surface>` -
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* :doc:`smd/adjust_dt <fix_smd_adjust_dt>` -
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* :doc:`smd/integrate_tlsph <fix_smd_integrate_tlsph>` -
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* :doc:`smd/integrate_ulsph <fix_smd_integrate_ulsph>` -
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* :doc:`smd/move_tri_surf <fix_smd_move_triangulated_surface>` -
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* :doc:`smd/setvel <fix_smd_setvel>` -
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* :doc:`smd/wall\_surface <fix_smd_wall_surface>` -
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* :doc:`smd/wall_surface <fix_smd_wall_surface>` -
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* :doc:`spring <fix_spring>` - apply harmonic spring force to group of atoms
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* :doc:`spring/chunk <fix_spring_chunk>` - apply harmonic spring force to each chunk of atoms
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* :doc:`spring/rg <fix_spring_rg>` - spring on radius of gyration of group of atoms
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@ -399,7 +401,7 @@ individual fixes tell if it is part of a package.
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Related commands
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""""""""""""""""
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:doc:`unfix <unfix>`, :doc:`fix\_modify <fix_modify>`
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:doc:`unfix <unfix>`, :doc:`fix_modify <fix_modify>`
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**Default:** none
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@ -32,7 +32,7 @@ Description
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Set the formula(s) LAMMPS uses to compute pairwise interactions. In
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LAMMPS, pair potentials are defined between pairs of atoms that are
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within a cutoff distance and the set of active interactions typically
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changes over time. See the :doc:`bond\_style <bond_style>` command to
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changes over time. See the :doc:`bond_style <bond_style>` command to
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define potentials between pairs of bonded atoms, which typically
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remain in place for the duration of a simulation.
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@ -48,11 +48,11 @@ different pair potentials can be setup using the *hybrid* pair style.
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The coefficients associated with a pair style are typically set for
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each pair of atom types, and are specified by the
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:doc:`pair\_coeff <pair_coeff>` command or read from a file by the
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:doc:`read\_data <read_data>` or :doc:`read\_restart <read_restart>`
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:doc:`pair_coeff <pair_coeff>` command or read from a file by the
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:doc:`read_data <read_data>` or :doc:`read_restart <read_restart>`
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commands.
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The :doc:`pair\_modify <pair_modify>` command sets options for mixing of
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The :doc:`pair_modify <pair_modify>` command sets options for mixing of
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type I-J interaction coefficients and adding energy offsets or tail
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corrections to Lennard-Jones potentials. Details on these options as
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they pertain to individual potentials are described on the doc page
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@ -70,11 +70,11 @@ cutoffs for all pairs of atom types. The distance(s) can be smaller
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or larger than the dimensions of the simulation box.
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Typically, the global cutoff value can be overridden for a specific
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pair of atom types by the :doc:`pair\_coeff <pair_coeff>` command. The
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pair of atom types by the :doc:`pair_coeff <pair_coeff>` command. The
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pair style settings (including global cutoffs) can be changed by a
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subsequent pair\_style command using the same style. This will reset
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the cutoffs for all atom type pairs, including those previously set
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explicitly by a :doc:`pair\_coeff <pair_coeff>` command. The exceptions
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explicitly by a :doc:`pair_coeff <pair_coeff>` command. The exceptions
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to this are that pair\_style *table* and *hybrid* settings cannot be
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reset. A new pair\_style command for these styles will wipe out all
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previously specified pair\_coeff values.
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@ -88,7 +88,7 @@ also listed in more compact form on the :doc:`Commands pair <Commands_pair>` doc
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Click on the style to display the formula it computes, any additional
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arguments specified in the pair\_style command, and coefficients
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specified by the associated :doc:`pair\_coeff <pair_coeff>` command.
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specified by the associated :doc:`pair_coeff <pair_coeff>` command.
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There are also additional accelerated pair styles included in the
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LAMMPS distribution for faster performance on CPUs, GPUs, and KNLs.
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@ -170,6 +170,7 @@ accelerated styles exist.
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* :doc:`gauss <pair_gauss>` - Gaussian potential
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* :doc:`gauss/cut <pair_gauss>` - generalized Gaussian potential
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* :doc:`gayberne <pair_gayberne>` - Gay-Berne ellipsoidal potential
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* :doc:`granular <pair_granular>` - Generalized granular potential
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* :doc:`gran/hertz/history <pair_gran>` - granular potential with Hertzian interactions
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* :doc:`gran/hooke <pair_gran>` - granular potential with history effects
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* :doc:`gran/hooke/history <pair_gran>` - granular potential without history effects
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@ -267,6 +268,12 @@ accelerated styles exist.
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* :doc:`oxdna2/hbond <pair_oxdna2>` -
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* :doc:`oxdna2/stk <pair_oxdna2>` -
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* :doc:`oxdna2/xstk <pair_oxdna2>` -
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* :doc:`oxrna2/coaxstk <pair_oxrna2>` -
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* :doc:`oxrna2/dh <pair_oxrna2>` -
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* :doc:`oxrna2/excv <pair_oxrna2>` -
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* :doc:`oxrna2/hbond <pair_oxrna2>` -
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* :doc:`oxrna2/stk <pair_oxrna2>` -
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* :doc:`oxrna2/xstk <pair_oxrna2>` -
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* :doc:`peri/eps <pair_peri>` - peridynamic EPS potential
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* :doc:`peri/lps <pair_peri>` - peridynamic LPS potential
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* :doc:`peri/pmb <pair_peri>` - peridynamic PMB potential
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@ -280,7 +287,7 @@ accelerated styles exist.
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* :doc:`sdpd/taitwater/isothermal <pair_sdpd_taitwater_isothermal>` - smoothed dissipative particle dynamics for water at isothermal conditions
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* :doc:`smd/hertz <pair_smd_hertz>` -
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* :doc:`smd/tlsph <pair_smd_tlsph>` -
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* :doc:`smd/tri\_surface <pair_smd_triangulated_surface>` -
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* :doc:`smd/tri_surface <pair_smd_triangulated_surface>` -
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* :doc:`smd/ulsph <pair_smd_ulsph>` -
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* :doc:`smtbq <pair_smtbq>` -
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* :doc:`snap <pair_snap>` - SNAP quantum-accurate potential
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@ -328,8 +335,8 @@ Restrictions
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This command must be used before any coefficients are set by the
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:doc:`pair\_coeff <pair_coeff>`, :doc:`read\_data <read_data>`, or
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:doc:`read\_restart <read_restart>` commands.
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:doc:`pair_coeff <pair_coeff>`, :doc:`read_data <read_data>`, or
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:doc:`read_restart <read_restart>` commands.
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Some pair styles are part of specific packages. They are only enabled
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if LAMMPS was built with that package. See the :doc:`Build package <Build_package>` doc page for more info. The doc pages for
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@ -338,9 +345,9 @@ individual pair potentials tell if it is part of a package.
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Related commands
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""""""""""""""""
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:doc:`pair\_coeff <pair_coeff>`, :doc:`read\_data <read_data>`,
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:doc:`pair\_modify <pair_modify>`, :doc:`kspace\_style <kspace_style>`,
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:doc:`dielectric <dielectric>`, :doc:`pair\_write <pair_write>`
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:doc:`pair_coeff <pair_coeff>`, :doc:`read_data <read_data>`,
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:doc:`pair_modify <pair_modify>`, :doc:`kspace_style <kspace_style>`,
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:doc:`dielectric <dielectric>`, :doc:`pair_write <pair_write>`
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Default
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"""""""
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