update example inputs and logs for change in ReaxFF required name

This commit is contained in:
Axel Kohlmeyer
2023-11-30 07:20:33 -05:00
parent 6ff87f5c39
commit 00be75e084
71 changed files with 4207 additions and 2369 deletions

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## This script first uses fix qtb to equilibrate liquid methane to an initial state with quantum nuclear correction and then simulate shock induced chemical reactions through the quantum thermal bath multi-scale shock technique
#The default system size may take a while to run you can change to a smaller size
variable x_rep equal 5 #x-direction replication number
variable y_rep equal 5 #y-direction replication number
variable z_rep equal 10 #z-direction replication number
variable temperature equal 110.0 #Target quantum temperature (K in real units)
variable delta_t equal 0.25 #MD timestep length (fs in real units)
variable damp_qtb equal 200 #1/gamma where gamma is the friction coefficient in quantum thermal bath (fs in real units)
variable v_msst equal 0.122 #Shock velocity (Angstrom/fs in metal units)
variable q_msst equal 25.0 #Box mass-like parameter in the MSST (mass^2/length^4, where mass=grams/mole and length=Angstrom in real units)
variable mu_msst equal 0.9 #Artificial viscosity in the MSST (mass/length/time, where mass=grams/mole, length=Angstrom and time=fs in real units)
variable tscale_msst equal 0.01 #Temperature reduction parameter in the MSST (unitless)
variable eta_qbmsst equal 1.0 #Coupling constant between the shock and the quantum thermal bath (unitless constant)
##The included part first constructs a liquid methane structure of a given size. It then uses fix qtb to equilibrate the computational cell to the specified temperature and pressure.
include methane_qtb.mod
##Shock compression with quantum nuclear corrections
reset_timestep 0
fix shock all qbmsst z ${v_msst} q ${q_msst} mu ${mu_msst} tscale ${tscale_msst} damp ${damp_qtb} f_max 0.3 N_f 50 seed 35082 eta ${eta_qbmsst} beta 400 T_init ${temperature}
fix_modify shock energy yes
variable dhug equal f_shock[1]
variable dray equal f_shock[2]
variable lgr_vel equal f_shock[3]
variable lgr_pos equal f_shock[4]
variable T_qm equal f_shock[5] #Temperature with quantum nuclear correction
thermo_style custom step v_T_qm press etotal vol lx ly lz pzz v_dhug v_dray v_lgr_vel v_lgr_pos
thermo 20
timestep ${delta_t}
#restart 1000 restart
run 500

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LAMMPS (21 Nov 2023)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
## This script first uses fix qtb to equilibrate liquid methane to an initial state with quantum nuclear correction and then simulate shock induced chemical reactions through the quantum thermal bath multi-scale shock technique
#The default system size may take a while to run you can change to a smaller size
variable x_rep equal 5 #x-direction replication number
variable y_rep equal 5 #y-direction replication number
variable z_rep equal 10 #z-direction replication number
variable temperature equal 110.0 #Target quantum temperature (K in real units)
variable delta_t equal 0.25 #MD timestep length (fs in real units)
variable damp_qtb equal 200 #1/gamma where gamma is the friction coefficient in quantum thermal bath (fs in real units)
variable v_msst equal 0.122 #Shock velocity (Angstrom/fs in metal units)
variable q_msst equal 25.0 #Box mass-like parameter in the MSST (mass^2/length^4, where mass=grams/mole and length=Angstrom in real units)
variable mu_msst equal 0.9 #Artificial viscosity in the MSST (mass/length/time, where mass=grams/mole, length=Angstrom and time=fs in real units)
variable tscale_msst equal 0.01 #Temperature reduction parameter in the MSST (unitless)
variable eta_qbmsst equal 1.0 #Coupling constant between the shock and the quantum thermal bath (unitless constant)
##The included part first constructs a liquid methane structure of a given size. It then uses fix qtb to equilibrate the computational cell to the specified temperature and pressure.
include methane_qtb.mod
## This script first constructs a liquid methane structure of a given size. It then uses fix qtb to equilibrate the computational cell to the specified temperature and pressure.
## This part defines units, methane structure, and atomic information
#General
units real
dimension 3
boundary p p p
atom_style charge
#Lattice
lattice custom 1.0 a1 3.9783624 0 0 a2 0 3.9783624 0 a3 0 0 3.9783624 basis 0.5 0.5 0.5 basis 0.663 0.663 0.663 basis 0.337 0.337 0.663 basis 0.663 0.337 0.337 basis 0.337 0.663 0.337
Lattice spacing in x,y,z = 3.9783624 3.9783624 3.9783624
#Computational Cell
region simbox block 0 3.9783624 0 3.9783624 0 3.9783624 units box
create_box 2 simbox
Created orthogonal box = (0 0 0) to (3.9783624 3.9783624 3.9783624)
1 by 1 by 1 MPI processor grid
create_atoms 1 box basis 1 1 basis 2 2 basis 3 2 basis 4 2 basis 5 2
Created 5 atoms
using lattice units in orthogonal box = (0 0 0) to (3.9783624 3.9783624 3.9783624)
create_atoms CPU = 0.000 seconds
replicate ${x_rep} ${y_rep} ${z_rep}
replicate 5 ${y_rep} ${z_rep}
replicate 5 5 ${z_rep}
replicate 5 5 10
Replication is creating a 5x5x10 = 250 times larger system...
orthogonal box = (0 0 0) to (19.891812 19.891812 39.783624)
1 by 1 by 1 MPI processor grid
1250 atoms
replicate CPU = 0.000 seconds
#Atomic Information
mass 1 12.011150
mass 2 1.007970
## This part defines the reax pair potential in methane, force field coefficients are specified in "ffield.reax"
#Pair Potentials
pair_style reaxff NULL
pair_coeff * * ffield.reax C H
fix 0 all qeq/reax 1 0.0 10.0 1.0e-6 reaxff
#Neighbor Style
neighbor 2.5 bin
neigh_modify every 10 delay 0 check no
## This part equilibrates liquid methane to a temperature of ${temperature}(unit temperatureture) with quantum nuclear effects
#Initialization
velocity all create ${temperature} 93 dist gaussian sum no mom yes rot yes loop all
velocity all create 110 93 dist gaussian sum no mom yes rot yes loop all
#Setup output
thermo_style custom step temp press etotal vol
thermo 20
#Colored thermal bath
fix scapegoat_qtb all nve #NVE does the time integration
fix methane_qtb all qtb temp ${temperature} damp ${damp_qtb} seed 35082 f_max 0.3 N_f 50 #Change f_max if your Debye frequency is higher
fix methane_qtb all qtb temp 110 damp ${damp_qtb} seed 35082 f_max 0.3 N_f 50
fix methane_qtb all qtb temp 110 damp 200 seed 35082 f_max 0.3 N_f 50
timestep ${delta_t}
timestep 0.25
run 500 #500 fs
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Your simulation uses code contributions which should be cited:
- pair reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
number = {4--5},
pages = {245--259}
}
- fix qeq/reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
pages = {245--259}
}
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Neighbor list info ...
update: every = 10 steps, delay = 0 steps, check = no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 12.5
ghost atom cutoff = 12.5
binsize = 6.25, bins = 4 4 7
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reaxff, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: full/ghost/bin/3d
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 201.3 | 201.3 | 201.3 Mbytes
Step Temp Press TotEng Volume
0 110 -15717.706 -110869.31 15741.751
20 133.92166 8773.5364 -110569.51 15741.751
40 184.43244 -12136.835 -110378.92 15741.751
60 203.58164 6527.2188 -110190.9 15741.751
80 183.0518 -9667.6163 -110095.24 15741.751
100 236.07378 4393.5089 -109905.8 15741.751
120 226.94599 -5612.6845 -109708.46 15741.751
140 249.34156 988.50573 -109631.88 15741.751
160 255.08331 -1397.98 -109469.09 15741.751
180 281.64743 -1682.598 -109285.53 15741.751
200 303.76929 2594.8345 -109206.84 15741.751
220 311.6547 -4566.4307 -109053.21 15741.751
240 350.68316 5132.0272 -108918.26 15741.751
260 347.11102 -6078.5078 -108828.31 15741.751
280 366.56298 6373.2426 -108694.64 15741.751
300 393.62524 -6438.9321 -108521.5 15741.751
320 403.64821 5946.6873 -108487.83 15741.751
340 406.12883 -5053.5592 -108331.25 15741.751
360 450.60139 4323.0942 -108185.06 15741.751
380 429.46056 -3317.8604 -108146.84 15741.751
400 448.11876 3264.6165 -108048.01 15741.751
420 485.98657 -3047.3542 -107882.88 15741.751
440 463.23761 3088.3325 -107853.09 15741.751
460 504.27223 -1966.5888 -107689.56 15741.751
480 515.66783 2915.6322 -107550.83 15741.751
500 516.26369 -1733.2701 -107498.06 15741.751
Loop time of 41.4818 on 1 procs for 500 steps with 1250 atoms
Performance: 0.260 ns/day, 92.182 hours/ns, 12.053 timesteps/s, 15.067 katom-step/s
99.8% CPU use with 1 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 30.707 | 30.707 | 30.707 | 0.0 | 74.03
Neigh | 2.2815 | 2.2815 | 2.2815 | 0.0 | 5.50
Comm | 0.023963 | 0.023963 | 0.023963 | 0.0 | 0.06
Output | 0.00073327 | 0.00073327 | 0.00073327 | 0.0 | 0.00
Modify | 8.4653 | 8.4653 | 8.4653 | 0.0 | 20.41
Other | | 0.00334 | | | 0.01
Nlocal: 1250 ave 1250 max 1250 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 8444 ave 8444 max 8444 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 601915 ave 601915 max 601915 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 601915
Ave neighs/atom = 481.532
Neighbor list builds = 50
Dangerous builds not checked
unfix methane_qtb
unfix scapegoat_qtb
##Shock compression with quantum nuclear corrections
reset_timestep 0
fix shock all qbmsst z ${v_msst} q ${q_msst} mu ${mu_msst} tscale ${tscale_msst} damp ${damp_qtb} f_max 0.3 N_f 50 seed 35082 eta ${eta_qbmsst} beta 400 T_init ${temperature}
fix shock all qbmsst z 0.122 q ${q_msst} mu ${mu_msst} tscale ${tscale_msst} damp ${damp_qtb} f_max 0.3 N_f 50 seed 35082 eta ${eta_qbmsst} beta 400 T_init ${temperature}
fix shock all qbmsst z 0.122 q 25 mu ${mu_msst} tscale ${tscale_msst} damp ${damp_qtb} f_max 0.3 N_f 50 seed 35082 eta ${eta_qbmsst} beta 400 T_init ${temperature}
fix shock all qbmsst z 0.122 q 25 mu 0.9 tscale ${tscale_msst} damp ${damp_qtb} f_max 0.3 N_f 50 seed 35082 eta ${eta_qbmsst} beta 400 T_init ${temperature}
fix shock all qbmsst z 0.122 q 25 mu 0.9 tscale 0.01 damp ${damp_qtb} f_max 0.3 N_f 50 seed 35082 eta ${eta_qbmsst} beta 400 T_init ${temperature}
fix shock all qbmsst z 0.122 q 25 mu 0.9 tscale 0.01 damp 200 f_max 0.3 N_f 50 seed 35082 eta ${eta_qbmsst} beta 400 T_init ${temperature}
fix shock all qbmsst z 0.122 q 25 mu 0.9 tscale 0.01 damp 200 f_max 0.3 N_f 50 seed 35082 eta 1 beta 400 T_init ${temperature}
fix shock all qbmsst z 0.122 q 25 mu 0.9 tscale 0.01 damp 200 f_max 0.3 N_f 50 seed 35082 eta 1 beta 400 T_init 110
QBMSST parameters:
Shock in z direction
Cell mass-like parameter qmass (units of mass^2/length^4) = 2.50000e+01
Shock velocity = 1.22000e-01
Artificial viscosity (units of mass/length/time) = 9.00000e-01
Initial pressure calculated on first step
Initial volume calculated on first step
Initial energy calculated on first step
fix_modify shock energy yes
variable dhug equal f_shock[1]
variable dray equal f_shock[2]
variable lgr_vel equal f_shock[3]
variable lgr_pos equal f_shock[4]
variable T_qm equal f_shock[5] #Temperature with quantum nuclear correction
thermo_style custom step v_T_qm press etotal vol lx ly lz pzz v_dhug v_dray v_lgr_vel v_lgr_pos
thermo 20
timestep ${delta_t}
timestep 0.25
#restart 1000 restart
run 500
Fix QBMSST v0 = 1.57418e+04
Fix QBMSST p0 = -3.03801e+03
Fix QBMSST e0 = to be -1.07498e+05
Fix QBMSST initial strain rate of -1.02043e-04 established by reducing temperature by factor of 1.00000e-02
Per MPI rank memory allocation (min/avg/max) = 201.4 | 201.4 | 201.4 Mbytes
Step v_T_qm Press TotEng Volume Lx Ly Lz Pzz v_dhug v_dray v_lgr_vel v_lgr_pos
0 110 -1789.091 -107498.06 15741.751 19.891812 19.891812 39.783624 -3095.1546 1.9543098e-12 -57.148468 0 0
20 110 313.41128 -107231.57 15733.908 19.891812 19.891812 39.763803 1026.815 -35.805172 3755.1834 6.0783853e-05 -0.60983919
40 110 1248.5771 -107106.23 15726.494 19.891812 19.891812 39.745066 -277.53233 -52.672766 2158.1479 0.00011824041 -1.219383
60 110 -944.55947 -107017.75 15719.482 19.891812 19.891812 39.727345 1006.8843 -64.550247 3165.7346 0.00017258388 -1.8286479
80 110 2164.646 -107053.82 15712.848 19.891812 19.891812 39.710579 686.99949 -59.728513 2583.9345 0.00022399951 -2.4376489
100 110 -332.40946 -106996.04 15706.579 19.891812 19.891812 39.694734 1555.274 -67.472889 3204.6947 0.00027258815 -3.0464001
120 110 2556.8172 -106828.33 15700.655 19.891812 19.891812 39.679765 -1406.2492 -90.123866 9.330762 0.00031849257 -3.6549157
140 110 -649.1633 -106851.95 15695.029 19.891812 19.891812 39.665545 3704.8784 -86.742267 4898.3193 0.00036209988 -4.2632077
160 110 2301.4774 -106787.04 15689.738 19.891812 19.891812 39.652174 -893.31294 -95.690383 91.247096 0.00040310452 -4.8712886
180 110 -701.59672 -106639.61 15684.711 19.891812 19.891812 39.63947 3211.2065 -115.27944 3997.3199 0.00044206086 -5.47917
200 110 3857.6228 -106696.51 15679.975 19.891812 19.891812 39.627501 -1722.9124 -107.93584 -1123.778 0.00047876602 -6.0868625
220 110 -1057.1346 -106590.95 15675.462 19.891812 19.891812 39.616094 3285.0876 -121.80821 3706.0326 0.00051374575 -6.6943761
240 110 2748.5299 -106428.9 15671.216 19.891812 19.891812 39.605364 172.15717 -143.78629 425.48974 0.00054664912 -7.3017201
260 110 64.99143 -106442.23 15667.188 19.891812 19.891812 39.595183 981.21139 -141.94851 1075.4979 0.00057787086 -7.9089043
280 110 1612.9607 -106412.77 15663.362 19.891812 19.891812 39.585514 662.48897 -145.93658 605.73218 0.00060752164 -8.5159364
300 110 1435.9566 -106307.06 15659.725 19.891812 19.891812 39.576323 759.46794 -160.13403 559.12791 0.00063570794 -9.1228243
320 110 -890.72712 -106332.6 15656.258 19.891812 19.891812 39.56756 234.14376 -156.75496 -103.07714 0.00066257852 -9.7295747
340 110 4270.0983 -106252.72 15652.976 19.891812 19.891812 39.559265 5411.2268 -167.0427 4944.423 0.00068801647 -10.336194
360 110 -2801.0763 -106105.96 15649.905 19.891812 19.891812 39.551504 -3276.3824 -187.5258 -3864.4213 0.00071181569 -10.942691
380 110 5566.9116 -106139.88 15646.926 19.891812 19.891812 39.543977 2737.1121 -182.43141 2031.4929 0.00073489745 -11.549071
400 110 -4432.9416 -106074.79 15644.09 19.891812 19.891812 39.536808 -4946.1908 -191.90759 -5763.8068 0.00075688314 -12.155339
420 52.599535 5582.8126 -105959.96 15641.311 19.891812 19.891812 39.529786 7869.5301 -206.09135 6942.2136 0.00077841805 -12.761497
440 52.599535 -2861.6332 -106017.66 15638.758 19.891812 19.891812 39.523335 -1820.4742 -199.30721 -2848.5648 0.00079820063 -13.367553
460 52.599535 3942.7505 -105984.45 15636.294 19.891812 19.891812 39.517106 3327.0393 -203.24794 2201.6559 0.00081729985 -13.973511
480 52.599535 419.18442 -105827.32 15633.955 19.891812 19.891812 39.511194 -1910.6109 -224.9021 -3128.3482 0.00083542949 -14.579377
500 52.599535 117.60016 -105904.83 15631.655 19.891812 19.891812 39.505383 -603.40365 -214.36236 -1911.9203 0.00085325005 -15.185153
Loop time of 41.8312 on 1 procs for 500 steps with 1250 atoms
Performance: 0.258 ns/day, 92.958 hours/ns, 11.953 timesteps/s, 14.941 katom-step/s
99.8% CPU use with 1 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 31.016 | 31.016 | 31.016 | 0.0 | 74.15
Neigh | 2.2849 | 2.2849 | 2.2849 | 0.0 | 5.46
Comm | 0.020391 | 0.020391 | 0.020391 | 0.0 | 0.05
Output | 0.0019403 | 0.0019403 | 0.0019403 | 0.0 | 0.00
Modify | 8.505 | 8.505 | 8.505 | 0.0 | 20.33
Other | | 0.003238 | | | 0.01
Nlocal: 1250 ave 1250 max 1250 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 8489 ave 8489 max 8489 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 606382 ave 606382 max 606382 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 606382
Ave neighs/atom = 485.1056
Neighbor list builds = 50
Dangerous builds not checked
Total wall time: 0:01:23

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LAMMPS (21 Nov 2023)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
## This script first uses fix qtb to equilibrate liquid methane to an initial state with quantum nuclear correction and then simulate shock induced chemical reactions through the quantum thermal bath multi-scale shock technique
#The default system size may take a while to run you can change to a smaller size
variable x_rep equal 5 #x-direction replication number
variable y_rep equal 5 #y-direction replication number
variable z_rep equal 10 #z-direction replication number
variable temperature equal 110.0 #Target quantum temperature (K in real units)
variable delta_t equal 0.25 #MD timestep length (fs in real units)
variable damp_qtb equal 200 #1/gamma where gamma is the friction coefficient in quantum thermal bath (fs in real units)
variable v_msst equal 0.122 #Shock velocity (Angstrom/fs in metal units)
variable q_msst equal 25.0 #Box mass-like parameter in the MSST (mass^2/length^4, where mass=grams/mole and length=Angstrom in real units)
variable mu_msst equal 0.9 #Artificial viscosity in the MSST (mass/length/time, where mass=grams/mole, length=Angstrom and time=fs in real units)
variable tscale_msst equal 0.01 #Temperature reduction parameter in the MSST (unitless)
variable eta_qbmsst equal 1.0 #Coupling constant between the shock and the quantum thermal bath (unitless constant)
##The included part first constructs a liquid methane structure of a given size. It then uses fix qtb to equilibrate the computational cell to the specified temperature and pressure.
include methane_qtb.mod
## This script first constructs a liquid methane structure of a given size. It then uses fix qtb to equilibrate the computational cell to the specified temperature and pressure.
## This part defines units, methane structure, and atomic information
#General
units real
dimension 3
boundary p p p
atom_style charge
#Lattice
lattice custom 1.0 a1 3.9783624 0 0 a2 0 3.9783624 0 a3 0 0 3.9783624 basis 0.5 0.5 0.5 basis 0.663 0.663 0.663 basis 0.337 0.337 0.663 basis 0.663 0.337 0.337 basis 0.337 0.663 0.337
Lattice spacing in x,y,z = 3.9783624 3.9783624 3.9783624
#Computational Cell
region simbox block 0 3.9783624 0 3.9783624 0 3.9783624 units box
create_box 2 simbox
Created orthogonal box = (0 0 0) to (3.9783624 3.9783624 3.9783624)
1 by 2 by 2 MPI processor grid
create_atoms 1 box basis 1 1 basis 2 2 basis 3 2 basis 4 2 basis 5 2
Created 5 atoms
using lattice units in orthogonal box = (0 0 0) to (3.9783624 3.9783624 3.9783624)
create_atoms CPU = 0.000 seconds
replicate ${x_rep} ${y_rep} ${z_rep}
replicate 5 ${y_rep} ${z_rep}
replicate 5 5 ${z_rep}
replicate 5 5 10
Replication is creating a 5x5x10 = 250 times larger system...
orthogonal box = (0 0 0) to (19.891812 19.891812 39.783624)
1 by 1 by 4 MPI processor grid
1250 atoms
replicate CPU = 0.000 seconds
#Atomic Information
mass 1 12.011150
mass 2 1.007970
## This part defines the reax pair potential in methane, force field coefficients are specified in "ffield.reax"
#Pair Potentials
pair_style reaxff NULL
pair_coeff * * ffield.reax C H
fix 0 all qeq/reax 1 0.0 10.0 1.0e-6 reaxff
#Neighbor Style
neighbor 2.5 bin
neigh_modify every 10 delay 0 check no
## This part equilibrates liquid methane to a temperature of ${temperature}(unit temperatureture) with quantum nuclear effects
#Initialization
velocity all create ${temperature} 93 dist gaussian sum no mom yes rot yes loop all
velocity all create 110 93 dist gaussian sum no mom yes rot yes loop all
#Setup output
thermo_style custom step temp press etotal vol
thermo 20
#Colored thermal bath
fix scapegoat_qtb all nve #NVE does the time integration
fix methane_qtb all qtb temp ${temperature} damp ${damp_qtb} seed 35082 f_max 0.3 N_f 50 #Change f_max if your Debye frequency is higher
fix methane_qtb all qtb temp 110 damp ${damp_qtb} seed 35082 f_max 0.3 N_f 50
fix methane_qtb all qtb temp 110 damp 200 seed 35082 f_max 0.3 N_f 50
timestep ${delta_t}
timestep 0.25
run 500 #500 fs
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Your simulation uses code contributions which should be cited:
- pair reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
number = {4--5},
pages = {245--259}
}
- fix qeq/reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
pages = {245--259}
}
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Neighbor list info ...
update: every = 10 steps, delay = 0 steps, check = no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 12.5
ghost atom cutoff = 12.5
binsize = 6.25, bins = 4 4 7
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reaxff, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: full/ghost/bin/3d
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 125.2 | 125.3 | 125.4 Mbytes
Step Temp Press TotEng Volume
0 110 -15717.706 -110869.31 15741.751
20 133.92621 9503.0083 -110548.47 15741.751
40 188.1524 -13687.131 -110344.93 15741.751
60 205.85747 8421.3906 -110165.58 15741.751
80 185.08989 -11337.006 -110026.24 15741.751
100 245.36524 5805.0694 -109841.66 15741.751
120 218.83661 -7740.8838 -109674.15 15741.751
140 254.6075 3396.3936 -109589.89 15741.751
160 262.20963 -3574.2575 -109413.81 15741.751
180 297.89271 917.40867 -109204.79 15741.751
200 315.54026 -371.17448 -109129.45 15741.751
220 323.90745 -2811.4367 -108988.12 15741.751
240 358.28478 3972.8358 -108848.95 15741.751
260 359.12673 -6289.689 -108788.08 15741.751
280 376.47656 6851.3186 -108664.07 15741.751
300 404.30975 -7805.7238 -108482.75 15741.751
320 410.9097 7696.2518 -108421.87 15741.751
340 406.19092 -8175.1703 -108311.84 15741.751
360 460.37085 7630.6182 -108139.6 15741.751
380 413.96355 -7515.2307 -108150.73 15741.751
400 452.17428 7148.0954 -108027.39 15741.751
420 467.1725 -6662.4113 -107842.71 15741.751
440 481.03775 6117.6862 -107759.03 15741.751
460 509.03937 -4095.0215 -107648.46 15741.751
480 533.22373 2211.9169 -107481.89 15741.751
500 517.71195 -214.23969 -107489.48 15741.751
Loop time of 22.2711 on 4 procs for 500 steps with 1250 atoms
Performance: 0.485 ns/day, 49.491 hours/ns, 22.451 timesteps/s, 28.063 katom-step/s
99.3% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 13.689 | 15.195 | 16.732 | 27.7 | 68.23
Neigh | 1.5325 | 1.5496 | 1.5658 | 1.0 | 6.96
Comm | 0.073366 | 1.6105 | 3.116 | 85.1 | 7.23
Output | 0.00052192 | 0.00057642 | 0.00073657 | 0.0 | 0.00
Modify | 3.896 | 3.9129 | 3.9306 | 0.6 | 17.57
Other | | 0.00241 | | | 0.01
Nlocal: 312.5 ave 317 max 308 min
Histogram: 1 0 0 1 0 0 1 0 0 1
Nghost: 4982 ave 4995 max 4967 min
Histogram: 1 0 0 0 0 1 1 0 0 1
Neighs: 172509 ave 174182 max 170676 min
Histogram: 1 0 0 1 0 0 0 1 0 1
Total # of neighbors = 690037
Ave neighs/atom = 552.0296
Neighbor list builds = 50
Dangerous builds not checked
unfix methane_qtb
unfix scapegoat_qtb
##Shock compression with quantum nuclear corrections
reset_timestep 0
fix shock all qbmsst z ${v_msst} q ${q_msst} mu ${mu_msst} tscale ${tscale_msst} damp ${damp_qtb} f_max 0.3 N_f 50 seed 35082 eta ${eta_qbmsst} beta 400 T_init ${temperature}
fix shock all qbmsst z 0.122 q ${q_msst} mu ${mu_msst} tscale ${tscale_msst} damp ${damp_qtb} f_max 0.3 N_f 50 seed 35082 eta ${eta_qbmsst} beta 400 T_init ${temperature}
fix shock all qbmsst z 0.122 q 25 mu ${mu_msst} tscale ${tscale_msst} damp ${damp_qtb} f_max 0.3 N_f 50 seed 35082 eta ${eta_qbmsst} beta 400 T_init ${temperature}
fix shock all qbmsst z 0.122 q 25 mu 0.9 tscale ${tscale_msst} damp ${damp_qtb} f_max 0.3 N_f 50 seed 35082 eta ${eta_qbmsst} beta 400 T_init ${temperature}
fix shock all qbmsst z 0.122 q 25 mu 0.9 tscale 0.01 damp ${damp_qtb} f_max 0.3 N_f 50 seed 35082 eta ${eta_qbmsst} beta 400 T_init ${temperature}
fix shock all qbmsst z 0.122 q 25 mu 0.9 tscale 0.01 damp 200 f_max 0.3 N_f 50 seed 35082 eta ${eta_qbmsst} beta 400 T_init ${temperature}
fix shock all qbmsst z 0.122 q 25 mu 0.9 tscale 0.01 damp 200 f_max 0.3 N_f 50 seed 35082 eta 1 beta 400 T_init ${temperature}
fix shock all qbmsst z 0.122 q 25 mu 0.9 tscale 0.01 damp 200 f_max 0.3 N_f 50 seed 35082 eta 1 beta 400 T_init 110
QBMSST parameters:
Shock in z direction
Cell mass-like parameter qmass (units of mass^2/length^4) = 2.50000e+01
Shock velocity = 1.22000e-01
Artificial viscosity (units of mass/length/time) = 9.00000e-01
Initial pressure calculated on first step
Initial volume calculated on first step
Initial energy calculated on first step
fix_modify shock energy yes
variable dhug equal f_shock[1]
variable dray equal f_shock[2]
variable lgr_vel equal f_shock[3]
variable lgr_pos equal f_shock[4]
variable T_qm equal f_shock[5] #Temperature with quantum nuclear correction
thermo_style custom step v_T_qm press etotal vol lx ly lz pzz v_dhug v_dray v_lgr_vel v_lgr_pos
thermo 20
timestep ${delta_t}
timestep 0.25
#restart 1000 restart
run 500
Fix QBMSST v0 = 1.57418e+04
Fix QBMSST p0 = -5.88788e+01
Fix QBMSST e0 = to be -1.07489e+05
Fix QBMSST initial strain rate of -1.02186e-04 established by reducing temperature by factor of 1.00000e-02
Per MPI rank memory allocation (min/avg/max) = 126.1 | 126.1 | 126.1 Mbytes
Step v_T_qm Press TotEng Volume Lx Ly Lz Pzz v_dhug v_dray v_lgr_vel v_lgr_pos
0 110 -270.21489 -107489.48 15741.751 19.891812 19.891812 39.783624 -118.93551 0 -60.056661 0 0
20 110 -2180.5877 -107208.2 15733.847 19.891812 19.891812 39.763648 223.47326 -37.773571 -29.703539 6.1258507e-05 -0.60983836
40 110 5004.864 -107109.95 15726.306 19.891812 19.891812 39.744592 3335.6341 -50.920246 2784.77 0.00011969641 -1.2193771
60 110 -4549.1199 -106949.22 15719.136 19.891812 19.891812 39.72647 -4461.4212 -72.656651 -5295.3675 0.00017526726 -1.8286321
80 110 6695.6833 -106942.12 15712.214 19.891812 19.891812 39.708976 5333.2741 -73.356417 4226.043 0.00022891479 -2.4376137
100 110 -5337.7671 -106930.78 15705.644 19.891812 19.891812 39.692373 -2682.4224 -75.129348 -4049.0157 0.00027982924 -3.0463347
120 110 6526.5587 -106736.15 15699.334 19.891812 19.891812 39.676424 7038.2375 -100.8809 5422.5046 0.00032873694 -3.6548061
140 110 -3284.0472 -106761.36 15693.36 19.891812 19.891812 39.661329 -3999.8116 -97.977739 -5851.3636 0.00037502973 -4.2630401
160 110 4792.0537 -106662.24 15687.56 19.891812 19.891812 39.64667 4484.6905 -110.86184 2404.1579 0.00041998006 -4.8710464
180 110 -1253.5849 -106532.38 15682.037 19.891812 19.891812 39.632711 -723.78287 -128.58314 -3022.3825 0.00046278801 -5.4788331
200 110 3276.2225 -106488.13 15676.725 19.891812 19.891812 39.619286 5117.4749 -134.15782 2609.1518 0.00050395806 -6.0864105
220 110 -553.17982 -106421.17 15671.675 19.891812 19.891812 39.606524 -1360.8796 -143.56979 -4068.5641 0.00054309397 -6.6937871
240 110 1329.8793 -106309.56 15666.794 19.891812 19.891812 39.594187 775.35326 -158.40869 -2125.0508 0.00058092605 -7.300972
260 110 1809.8974 -106360.42 15662.075 19.891812 19.891812 39.582262 3075.2725 -151.39659 -11.4097 0.00061749364 -7.9079706
280 110 24.534819 -106310.46 15657.56 19.891812 19.891812 39.570852 1043.8352 -158.25965 -2221.0935 0.00065248454 -8.5147908
300 110 2854.2862 -106150.2 15653.217 19.891812 19.891812 39.559874 3727.6844 -179.54521 291.27132 0.00068614803 -9.1214393
320 110 -776.61228 -106199.04 15649.041 19.891812 19.891812 39.549322 -1285.3999 -173.42703 -4886.655 0.00071850756 -9.7279234
340 110 3778.2238 -106201.03 15644.958 19.891812 19.891812 39.539001 3694.462 -172.6926 -68.017561 0.00075015694 -10.334247
360 110 -1505.9413 -106025.15 15641.031 19.891812 19.891812 39.529078 -1491.3768 -196.81063 -5408.8787 0.00078058882 -10.940416
380 110 3414.9599 -106071.49 15637.176 19.891812 19.891812 39.519335 4956.6752 -189.93327 886.98409 0.00081046454 -11.546435
400 110 -947.2273 -106003.34 15633.49 19.891812 19.891812 39.510021 726.91825 -199.51619 -3488.2795 0.0008390284 -12.152307
420 46.681884 1610.2414 -105884.37 15629.905 19.891812 19.891812 39.500961 -1377.8364 -215.72223 -5734.5653 0.00086681188 -12.758039
440 46.681884 2290.4653 -105923.83 15626.371 19.891812 19.891812 39.492029 6296.7177 -209.55961 1800.4591 0.00089420243 -13.363632
460 46.681884 -2068.0472 -105879.44 15622.969 19.891812 19.891812 39.483432 -5629.8405 -216.88862 -10260.4 0.00092056659 -13.969092
480 46.681884 5011.06 -105748.92 15619.556 19.891812 19.891812 39.474805 8649.5097 -232.72756 3884.1859 0.00094702163 -14.574419
500 46.681884 -3314.8335 -105829.23 15616.305 19.891812 19.891812 39.46659 -5120.4784 -223.60669 -10014.132 0.00097221364 -15.179618
Loop time of 26.5748 on 4 procs for 500 steps with 1250 atoms
Performance: 0.406 ns/day, 59.055 hours/ns, 18.815 timesteps/s, 23.519 katom-step/s
99.3% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 16.259 | 18.109 | 19.999 | 31.1 | 68.14
Neigh | 1.8265 | 1.8477 | 1.8638 | 1.0 | 6.95
Comm | 0.045073 | 1.9349 | 3.7845 | 95.1 | 7.28
Output | 0.0019058 | 0.0019666 | 0.0021202 | 0.2 | 0.01
Modify | 4.6619 | 4.6782 | 4.699 | 0.6 | 17.60
Other | | 0.002774 | | | 0.01
Nlocal: 312.5 ave 318 max 307 min
Histogram: 1 0 0 0 1 1 0 0 0 1
Nghost: 5059 ave 5080 max 5039 min
Histogram: 1 0 1 0 0 0 1 0 0 1
Neighs: 173854 ave 176807 max 170839 min
Histogram: 1 0 0 1 0 0 1 0 0 1
Total # of neighbors = 695414
Ave neighs/atom = 556.3312
Neighbor list builds = 50
Dangerous builds not checked
Total wall time: 0:00:49

View File

@ -1,33 +0,0 @@
## This script first uses fix qtb to equilibrate liquid methane to an initial state with quantum nuclear correction and then simulate shock induced chemical reactions through the quantum thermal bath multi-scale shock technique
#The default system size may take a while to run you can change to a smaller size
variable x_rep equal 5 #x-direction replication number
variable y_rep equal 5 #y-direction replication number
variable z_rep equal 10 #z-direction replication number
variable temperature equal 110.0 #Target quantum temperature (K in real units)
variable delta_t equal 0.25 #MD timestep length (fs in real units)
variable damp_qtb equal 200 #1/gamma where gamma is the friction coefficient in quantum thermal bath (fs in real units)
variable v_msst equal 0.122 #Shock velocity (Angstrom/fs in metal units)
variable q_msst equal 25.0 #Box mass-like parameter in the MSST (mass^2/length^4, where mass=grams/mole and length=Angstrom in real units)
variable mu_msst equal 0.9 #Artificial viscosity in the MSST (mass/length/time, where mass=grams/mole, length=Angstrom and time=fs in real units)
variable tscale_msst equal 0.01 #Temperature reduction parameter in the MSST (unitless)
variable eta_qbmsst equal 1.0 #Coupling constant between the shock and the quantum thermal bath (unitless constant)
##The included part first constructs a liquid methane structure of a given size. It then uses fix qtb to equilibrate the computational cell to the specified temperature and pressure.
include methane_qtb.mod
##Shock compression with quantum nuclear corrections
reset_timestep 0
fix shock all qbmsst z ${v_msst} q ${q_msst} mu ${mu_msst} tscale ${tscale_msst} damp ${damp_qtb} f_max 0.3 N_f 50 seed 35082 eta ${eta_qbmsst} beta 400 T_init ${temperature}
fix_modify shock energy yes
variable dhug equal f_shock[1]
variable dray equal f_shock[2]
variable lgr_vel equal f_shock[3]
variable lgr_pos equal f_shock[4]
variable T_qm equal f_shock[5] #Temperature with quantum nuclear correction
thermo_style custom step v_T_qm press etotal vol lx ly lz pzz v_dhug v_dray v_lgr_vel v_lgr_pos
thermo 100
timestep ${delta_t}
restart 1000 restart
run 5000

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@ -38,9 +38,9 @@ mass 2 1.007970
## This part defines the reax pair potential in methane, force field coefficients are specified in "ffield.reax" ## This part defines the reax pair potential in methane, force field coefficients are specified in "ffield.reax"
#Pair Potentials #Pair Potentials
pair_style reax/c NULL pair_style reaxff NULL
pair_coeff * * ffield.reax C H pair_coeff * * ffield.reax C H
fix 0 all qeq/reax 1 0.0 10.0 1.0e-6 reax/c fix 0 all qeq/reax 1 0.0 10.0 1.0e-6 reaxff
#Neighbor Style #Neighbor Style
neighbor 2.5 bin neighbor 2.5 bin
@ -53,12 +53,12 @@ velocity all create ${temperature} 93 dist gaussian sum no mom yes rot yes loop
#Setup output #Setup output
thermo_style custom step temp press etotal vol thermo_style custom step temp press etotal vol
thermo 100 thermo 20
#Colored thermal bath #Colored thermal bath
fix scapegoat_qtb all nve #NVE does the time integration fix scapegoat_qtb all nve #NVE does the time integration
fix methane_qtb all qtb temp ${temperature} damp ${damp_qtb} seed 35082 f_max 0.3 N_f 50 #Change f_max if your Debye frequency is higher fix methane_qtb all qtb temp ${temperature} damp ${damp_qtb} seed 35082 f_max 0.3 N_f 50 #Change f_max if your Debye frequency is higher
timestep ${delta_t} timestep ${delta_t}
run 2000 #500 fs run 500 #500 fs
unfix methane_qtb unfix methane_qtb
unfix scapegoat_qtb unfix scapegoat_qtb

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@ -0,0 +1,70 @@
## This script first constructs a liquid methane structure of a given size. It then uses fix qtb to equilibrate the computational cell to the specified temperature and pressure.
variable x_rep equal 2 #x-direction replication number
variable y_rep equal 2 #y-direction replication number
variable z_rep equal 2 #z-direction replication number
variable temperature equal 110.0 #Target quantum temperature (K in real units)
variable delta_t equal 0.25 #MD timestep length (fs in real units)
variable damp_qtb equal 200 #1/gamma where gamma is the friction coefficient in quantum thermal bath (fs in real units)
## This part defines units, methane structure, and atomic information
#General
units real
dimension 3
boundary p p p
atom_style charge
#Lattice
lattice custom 1.0 &
a1 3.9783624 0 0 &
a2 0 3.9783624 0 &
a3 0 0 3.9783624 &
&
basis 0.5 0.5 0.5 &
basis 0.663 0.663 0.663 &
basis 0.337 0.337 0.663 &
basis 0.663 0.337 0.337 &
basis 0.337 0.663 0.337
#Computational Cell
region simbox block 0 3.9783624 0 3.9783624 0 3.9783624 units box
create_box 2 simbox
create_atoms 1 box &
basis 1 1 &
basis 2 2 &
basis 3 2 &
basis 4 2 &
basis 5 2
replicate ${x_rep} ${y_rep} ${z_rep}
#Atomic Information
mass 1 12.011150
mass 2 1.007970
## This part defines the reax pair potential in methane, force field coefficients are specified in "ffield.reax"
#Pair Potentials
pair_style reaxff NULL
pair_coeff * * ffield.reax C H
fix 0 all qeq/reax 1 0.0 10.0 1.0e-6 reaxff
#Neighbor Style
neighbor 2.5 bin
neigh_modify every 10 delay 0 check no
## This part equilibrates liquid methane to a temperature of ${temperature}(unit temperatureture) with quantum nuclear effects
#Initialization
velocity all create ${temperature} 93 dist gaussian sum no mom yes rot yes loop all
#Setup output
thermo_style custom step temp press etotal vol
thermo 50
#Colored thermal bath
fix scapegoat_qtb all nve #NVE does the time integration
fix methane_qtb all qtb temp ${temperature} damp ${damp_qtb} seed 35082 f_max 0.3 N_f 50 #Change f_max if your Debye frequency is higher
timestep ${delta_t}
run 1000
unfix methane_qtb
unfix scapegoat_qtb

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@ -0,0 +1,174 @@
LAMMPS (21 Nov 2023)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
## This script first constructs a liquid methane structure of a given size. It then uses fix qtb to equilibrate the computational cell to the specified temperature and pressure.
variable x_rep equal 2 #x-direction replication number
variable y_rep equal 2 #y-direction replication number
variable z_rep equal 2 #z-direction replication number
variable temperature equal 110.0 #Target quantum temperature (K in real units)
variable delta_t equal 0.25 #MD timestep length (fs in real units)
variable damp_qtb equal 200 #1/gamma where gamma is the friction coefficient in quantum thermal bath (fs in real units)
## This part defines units, methane structure, and atomic information
#General
units real
dimension 3
boundary p p p
atom_style charge
#Lattice
lattice custom 1.0 a1 3.9783624 0 0 a2 0 3.9783624 0 a3 0 0 3.9783624 basis 0.5 0.5 0.5 basis 0.663 0.663 0.663 basis 0.337 0.337 0.663 basis 0.663 0.337 0.337 basis 0.337 0.663 0.337
Lattice spacing in x,y,z = 3.9783624 3.9783624 3.9783624
#Computational Cell
region simbox block 0 3.9783624 0 3.9783624 0 3.9783624 units box
create_box 2 simbox
Created orthogonal box = (0 0 0) to (3.9783624 3.9783624 3.9783624)
1 by 1 by 1 MPI processor grid
create_atoms 1 box basis 1 1 basis 2 2 basis 3 2 basis 4 2 basis 5 2
Created 5 atoms
using lattice units in orthogonal box = (0 0 0) to (3.9783624 3.9783624 3.9783624)
create_atoms CPU = 0.000 seconds
replicate ${x_rep} ${y_rep} ${z_rep}
replicate 2 ${y_rep} ${z_rep}
replicate 2 2 ${z_rep}
replicate 2 2 2
Replication is creating a 2x2x2 = 8 times larger system...
orthogonal box = (0 0 0) to (7.9567248 7.9567248 7.9567248)
1 by 1 by 1 MPI processor grid
40 atoms
replicate CPU = 0.001 seconds
#Atomic Information
mass 1 12.011150
mass 2 1.007970
## This part defines the reax pair potential in methane, force field coefficients are specified in "ffield.reax"
#Pair Potentials
pair_style reaxff NULL
pair_coeff * * ffield.reax C H
fix 0 all qeq/reax 1 0.0 10.0 1.0e-6 reaxff
#Neighbor Style
neighbor 2.5 bin
neigh_modify every 10 delay 0 check no
## This part equilibrates liquid methane to a temperature of ${temperature}(unit temperatureture) with quantum nuclear effects
#Initialization
velocity all create ${temperature} 93 dist gaussian sum no mom yes rot yes loop all
velocity all create 110 93 dist gaussian sum no mom yes rot yes loop all
#Setup output
thermo_style custom step temp press etotal vol
thermo 50
#Colored thermal bath
fix scapegoat_qtb all nve #NVE does the time integration
fix methane_qtb all qtb temp ${temperature} damp ${damp_qtb} seed 35082 f_max 0.3 N_f 50 #Change f_max if your Debye frequency is higher
fix methane_qtb all qtb temp 110 damp ${damp_qtb} seed 35082 f_max 0.3 N_f 50
fix methane_qtb all qtb temp 110 damp 200 seed 35082 f_max 0.3 N_f 50
timestep ${delta_t}
timestep 0.25
run 1000
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Your simulation uses code contributions which should be cited:
- pair reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
number = {4--5},
pages = {245--259}
}
- fix qeq/reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
pages = {245--259}
}
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Neighbor list info ...
update: every = 10 steps, delay = 0 steps, check = no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 12.5
ghost atom cutoff = 12.5
binsize = 6.25, bins = 2 2 2
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reaxff, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: full/ghost/bin/3d
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 82.45 | 82.45 | 82.45 Mbytes
Step Temp Press TotEng Volume
0 110 -15746.508 -3548.1354 503.73603
50 191.27715 -7523.7503 -3530.4179 503.73603
100 214.09982 12016.892 -3517.4544 503.73603
150 317.38272 3098.2254 -3499.5793 503.73603
200 338.76362 -4484.9241 -3490.3649 503.73603
250 402.05826 3973.0488 -3474.81 503.73603
300 340.80076 11193.4 -3470.8029 503.73603
350 556.19747 8086.3266 -3451.5937 503.73603
400 566.8737 5499.5505 -3439.2335 503.73603
450 643.2883 -8270.5736 -3426.0767 503.73603
500 613.09742 -12406.229 -3419.8547 503.73603
550 669.28891 -9757.601 -3410.7281 503.73603
600 600.66922 10407.403 -3408.3776 503.73603
650 573.1485 30971.977 -3405.0744 503.73603
700 726.22146 29573.798 -3386.3167 503.73603
750 777.22659 13265.88 -3378.8462 503.73603
800 652.46476 -9231.9331 -3388.7229 503.73603
850 679.18414 -19802.254 -3384.6321 503.73603
900 711.60594 -18792.396 -3373.2944 503.73603
950 865.79013 -2837.6042 -3363.2971 503.73603
1000 884.14995 6160.4875 -3360.6295 503.73603
Loop time of 7.87 on 1 procs for 1000 steps with 40 atoms
Performance: 2.745 ns/day, 8.744 hours/ns, 127.065 timesteps/s, 5.083 katom-step/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 | 6.3662 | 6.3662 | 6.3662 | 0.0 | 80.89
Neigh | 0.97757 | 0.97757 | 0.97757 | 0.0 | 12.42
Comm | 0.013653 | 0.013653 | 0.013653 | 0.0 | 0.17
Output | 0.00042319 | 0.00042319 | 0.00042319 | 0.0 | 0.01
Modify | 0.50971 | 0.50971 | 0.50971 | 0.0 | 6.48
Other | | 0.00248 | | | 0.03
Nlocal: 40 ave 40 max 40 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 2552 ave 2552 max 2552 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 25110 ave 25110 max 25110 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 25110
Ave neighs/atom = 627.75
Neighbor list builds = 100
Dangerous builds not checked
unfix methane_qtb
unfix scapegoat_qtb
Total wall time: 0:00:07

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@ -0,0 +1,174 @@
LAMMPS (21 Nov 2023)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
## This script first constructs a liquid methane structure of a given size. It then uses fix qtb to equilibrate the computational cell to the specified temperature and pressure.
variable x_rep equal 2 #x-direction replication number
variable y_rep equal 2 #y-direction replication number
variable z_rep equal 2 #z-direction replication number
variable temperature equal 110.0 #Target quantum temperature (K in real units)
variable delta_t equal 0.25 #MD timestep length (fs in real units)
variable damp_qtb equal 200 #1/gamma where gamma is the friction coefficient in quantum thermal bath (fs in real units)
## This part defines units, methane structure, and atomic information
#General
units real
dimension 3
boundary p p p
atom_style charge
#Lattice
lattice custom 1.0 a1 3.9783624 0 0 a2 0 3.9783624 0 a3 0 0 3.9783624 basis 0.5 0.5 0.5 basis 0.663 0.663 0.663 basis 0.337 0.337 0.663 basis 0.663 0.337 0.337 basis 0.337 0.663 0.337
Lattice spacing in x,y,z = 3.9783624 3.9783624 3.9783624
#Computational Cell
region simbox block 0 3.9783624 0 3.9783624 0 3.9783624 units box
create_box 2 simbox
Created orthogonal box = (0 0 0) to (3.9783624 3.9783624 3.9783624)
1 by 2 by 2 MPI processor grid
create_atoms 1 box basis 1 1 basis 2 2 basis 3 2 basis 4 2 basis 5 2
Created 5 atoms
using lattice units in orthogonal box = (0 0 0) to (3.9783624 3.9783624 3.9783624)
create_atoms CPU = 0.000 seconds
replicate ${x_rep} ${y_rep} ${z_rep}
replicate 2 ${y_rep} ${z_rep}
replicate 2 2 ${z_rep}
replicate 2 2 2
Replication is creating a 2x2x2 = 8 times larger system...
orthogonal box = (0 0 0) to (7.9567248 7.9567248 7.9567248)
1 by 2 by 2 MPI processor grid
40 atoms
replicate CPU = 0.000 seconds
#Atomic Information
mass 1 12.011150
mass 2 1.007970
## This part defines the reax pair potential in methane, force field coefficients are specified in "ffield.reax"
#Pair Potentials
pair_style reaxff NULL
pair_coeff * * ffield.reax C H
fix 0 all qeq/reax 1 0.0 10.0 1.0e-6 reaxff
#Neighbor Style
neighbor 2.5 bin
neigh_modify every 10 delay 0 check no
## This part equilibrates liquid methane to a temperature of ${temperature}(unit temperatureture) with quantum nuclear effects
#Initialization
velocity all create ${temperature} 93 dist gaussian sum no mom yes rot yes loop all
velocity all create 110 93 dist gaussian sum no mom yes rot yes loop all
#Setup output
thermo_style custom step temp press etotal vol
thermo 50
#Colored thermal bath
fix scapegoat_qtb all nve #NVE does the time integration
fix methane_qtb all qtb temp ${temperature} damp ${damp_qtb} seed 35082 f_max 0.3 N_f 50 #Change f_max if your Debye frequency is higher
fix methane_qtb all qtb temp 110 damp ${damp_qtb} seed 35082 f_max 0.3 N_f 50
fix methane_qtb all qtb temp 110 damp 200 seed 35082 f_max 0.3 N_f 50
timestep ${delta_t}
timestep 0.25
run 1000
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Your simulation uses code contributions which should be cited:
- pair reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
number = {4--5},
pages = {245--259}
}
- fix qeq/reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
pages = {245--259}
}
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Neighbor list info ...
update: every = 10 steps, delay = 0 steps, check = no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 12.5
ghost atom cutoff = 12.5
binsize = 6.25, bins = 2 2 2
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reaxff, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: full/ghost/bin/3d
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 72.47 | 72.47 | 72.47 Mbytes
Step Temp Press TotEng Volume
0 110 -15746.508 -3548.1354 503.73603
50 183.74482 -917.59204 -3534.8518 503.73603
100 200.96363 16464.403 -3517.1456 503.73603
150 255.33305 14801.963 -3507.7299 503.73603
200 328.11626 5119.3618 -3498.0388 503.73603
250 356.88626 -11306.151 -3485.1746 503.73603
300 284.7363 -25276.091 -3479.4732 503.73603
350 434.79382 -23326.29 -3471.7491 503.73603
400 414.69602 2800.9047 -3465.7225 503.73603
450 464.61242 20775.398 -3449.1675 503.73603
500 671.43369 15272.581 -3433.9453 503.73603
550 534.01157 -8545.4173 -3427.6672 503.73603
600 512.69648 -15904.052 -3417.8071 503.73603
650 604.62051 -1777.9242 -3419.4324 503.73603
700 650.2196 20108.199 -3415.8902 503.73603
750 677.45644 21721.335 -3409.1253 503.73603
800 707.98295 171.53756 -3413.4048 503.73603
850 740.68522 -23846.627 -3384.7024 503.73603
900 739.55514 -22742.841 -3377.091 503.73603
950 769.44821 -7060.9388 -3389.817 503.73603
1000 987.6246 -0.47618437 -3373.9263 503.73603
Loop time of 6.80367 on 4 procs for 1000 steps with 40 atoms
Performance: 3.175 ns/day, 7.560 hours/ns, 146.980 timesteps/s, 5.879 katom-step/s
99.3% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 5.1801 | 5.3491 | 5.5417 | 6.1 | 78.62
Neigh | 0.76934 | 0.77281 | 0.77567 | 0.3 | 11.36
Comm | 0.072213 | 0.26492 | 0.4339 | 27.2 | 3.89
Output | 0.00032365 | 0.00035547 | 0.00044739 | 0.0 | 0.01
Modify | 0.41139 | 0.41424 | 0.4179 | 0.4 | 6.09
Other | | 0.00226 | | | 0.03
Nlocal: 10 ave 10 max 10 min
Histogram: 4 0 0 0 0 0 0 0 0 0
Nghost: 1950 ave 1950 max 1950 min
Histogram: 4 0 0 0 0 0 0 0 0 0
Neighs: 6434.5 ave 6447 max 6427 min
Histogram: 2 0 0 0 0 1 0 0 0 1
Total # of neighbors = 25738
Ave neighs/atom = 643.45
Neighbor list builds = 100
Dangerous builds not checked
unfix methane_qtb
unfix scapegoat_qtb
Total wall time: 0:00:06

View File

@ -1,70 +0,0 @@
## This script first constructs a liquid methane structure of a given size. It then uses fix qtb to equilibrate the computational cell to the specified temperature and pressure.
variable x_rep equal 2 #x-direction replication number
variable y_rep equal 2 #y-direction replication number
variable z_rep equal 2 #z-direction replication number
variable temperature equal 110.0 #Target quantum temperature (K in real units)
variable delta_t equal 0.25 #MD timestep length (fs in real units)
variable damp_qtb equal 200 #1/gamma where gamma is the friction coefficient in quantum thermal bath (fs in real units)
## This part defines units, methane structure, and atomic information
#General
units real
dimension 3
boundary p p p
atom_style charge
#Lattice
lattice custom 1.0 &
a1 3.9783624 0 0 &
a2 0 3.9783624 0 &
a3 0 0 3.9783624 &
&
basis 0.5 0.5 0.5 &
basis 0.663 0.663 0.663 &
basis 0.337 0.337 0.663 &
basis 0.663 0.337 0.337 &
basis 0.337 0.663 0.337
#Computational Cell
region simbox block 0 3.9783624 0 3.9783624 0 3.9783624 units box
create_box 2 simbox
create_atoms 1 box &
basis 1 1 &
basis 2 2 &
basis 3 2 &
basis 4 2 &
basis 5 2
replicate ${x_rep} ${y_rep} ${z_rep}
#Atomic Information
mass 1 12.011150
mass 2 1.007970
## This part defines the reax pair potential in methane, force field coefficients are specified in "ffield.reax"
#Pair Potentials
pair_style reax/c NULL
pair_coeff * * ffield.reax C H
fix 0 all qeq/reax 1 0.0 10.0 1.0e-6 reax/c
#Neighbor Style
neighbor 2.5 bin
neigh_modify every 10 delay 0 check no
## This part equilibrates liquid methane to a temperature of ${temperature}(unit temperatureture) with quantum nuclear effects
#Initialization
velocity all create ${temperature} 93 dist gaussian sum no mom yes rot yes loop all
#Setup output
thermo_style custom step temp press etotal vol
thermo 100
#Colored thermal bath
fix scapegoat_qtb all nve #NVE does the time integration
fix methane_qtb all qtb temp ${temperature} damp ${damp_qtb} seed 35082 f_max 0.3 N_f 50 #Change f_max if your Debye frequency is higher
timestep ${delta_t}
run 3000 #750 fs
unfix methane_qtb
unfix scapegoat_qtb

View File

@ -1,19 +1,19 @@
# This example demonstrates the use of various fix qeq variants with pair reax/c # This example demonstrates the use of various fix qeq variants with pair reaxff
# You can comment in/out various versions below # You can comment in/out various versions below
# #
# 1) Fix qeq/shielded generates the same results compared to fix qeq/reax when # 1) Fix qeq/shielded generates the same results compared to fix qeq/reax when
# used with pair_style reax/c, provided that the QEq parameters are the same. # used with pair_style reaxff, provided that the QEq parameters are the same.
# #
# 2) Fix qeq/point and fix qeq/dynamic generate comparable results provided that # 2) Fix qeq/point and fix qeq/dynamic generate comparable results provided that
# the QEq parameters are the same. These two styles can also be used with # the QEq parameters are the same. These two styles can also be used with
# pair_style reax/c. # pair_style reaxff.
units real units real
atom_style charge atom_style charge
read_data data.CHO read_data data.CHO
pair_style reax/c NULL checkqeq no pair_style reaxff NULL checkqeq no
pair_coeff * * ffield.reax.cho H C O pair_coeff * * ffield.reax.cho H C O
neighbor 1 bin neighbor 1 bin

View File

@ -1,116 +0,0 @@
LAMMPS (27 Nov 2018)
using 1 OpenMP thread(s) per MPI task
# This example demonstrates the use of various fix qeq variants with pair reax/c
# You can comment in/out various versions below
#
# 1) Fix qeq/shielded generates the same results compared to fix qeq/reax when
# used with pair_style reax/c, provided that the QEq parameters are the same.
#
# 2) Fix qeq/point and fix qeq/dynamic generate comparable results provided that
# the QEq parameters are the same. These two styles can also be used with
# pair_style reax/c.
units real
atom_style charge
read_data data.CHO
orthogonal box = (0 0 0) to (25 25 25)
1 by 1 by 1 MPI processor grid
reading atoms ...
105 atoms
pair_style reax/c NULL checkqeq no
pair_coeff * * ffield.reax.cho H C O
Reading potential file ffield.reax.cho with DATE: 2011-02-18
neighbor 1 bin
neigh_modify every 1 delay 0 check yes
group type1 type 1
60 atoms in group type1
compute charge1 type1 property/atom q
compute q1 type1 reduce ave c_charge1
group type2 type 2
25 atoms in group type2
compute charge2 type2 property/atom q
compute q2 type2 reduce ave c_charge2
group type3 type 3
20 atoms in group type3
compute charge3 type3 property/atom q
compute q3 type3 reduce ave c_charge3
variable qtot equal count(type1)*c_q1+count(type2)*c_q2+count(type3)*c_q3
thermo_style custom step pe c_q1 c_q2 c_q3 v_qtot
thermo 1
velocity all create 300.0 1281937
fix 1 all nve
fix 2 all qeq/reax 1 0.0 10.0 1e-6 param.qeq.reax
#fix 2 all qeq/shielded 1 10.0 1e-6 400 param.qeq1
#fix 2 all qeq/point 1 10.0 1e-6 400 param.qeq1
#fix 2 all qeq/dynamic 1 10.0 1e-3 100 param.qeq1
timestep 0.25
run 10
Neighbor list info ...
update every 1 steps, delay 0 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 11
ghost atom cutoff = 11
binsize = 5.5, bins = 5 5 5
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reax/c, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: half/ghost/bin/3d/newtoff
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off, ghost
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 16.65 | 16.65 | 16.65 Mbytes
Step PotEng c_q1 c_q2 c_q3 v_qtot
0 -10226.557 0.095634063 -0.15658793 -0.091167279 4.4408921e-16
1 -10225.799 0.095649584 -0.1566219 -0.091171371 7.1054274e-15
2 -10223.656 0.095669731 -0.15666714 -0.091175264 -6.4392935e-15
3 -10220.276 0.095691257 -0.15671597 -0.091178813 2.6645353e-15
4 -10215.894 0.095714363 -0.15676887 -0.091182006 -3.1086245e-15
5 -10210.804 0.095733863 -0.15681398 -0.09118412 6.6613381e-16
6 -10205.342 0.095751253 -0.15685427 -0.091185918 -1.110223e-15
7 -10199.848 0.095762028 -0.1568795 -0.091186707 8.8817842e-15
8 -10194.646 0.095767243 -0.15689184 -0.091186932 -2.4424907e-15
9 -10190.016 0.095760528 -0.15687664 -0.091185782 -4.4408921e-16
10 -10186.168 0.095748006 -0.15684815 -0.09118383 1.110223e-15
Loop time of 0.0322483 on 1 procs for 10 steps with 105 atoms
Performance: 6.698 ns/day, 3.583 hours/ns, 310.094 timesteps/s
99.8% CPU use with 1 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.026229 | 0.026229 | 0.026229 | 0.0 | 81.34
Neigh | 0 | 0 | 0 | 0.0 | 0.00
Comm | 5.2214e-05 | 5.2214e-05 | 5.2214e-05 | 0.0 | 0.16
Output | 0.00027299 | 0.00027299 | 0.00027299 | 0.0 | 0.85
Modify | 0.0056667 | 0.0056667 | 0.0056667 | 0.0 | 17.57
Other | | 2.694e-05 | | | 0.08
Nlocal: 105 ave 105 max 105 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 512 ave 512 max 512 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 3417 ave 3417 max 3417 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 3417
Ave neighs/atom = 32.5429
Neighbor list builds = 0
Dangerous builds = 0
Please see the log.cite file for references relevant to this simulation
Total wall time: 0:00:00

View File

@ -1,116 +0,0 @@
LAMMPS (27 Nov 2018)
using 1 OpenMP thread(s) per MPI task
# This example demonstrates the use of various fix qeq variants with pair reax/c
# You can comment in/out various versions below
#
# 1) Fix qeq/shielded generates the same results compared to fix qeq/reax when
# used with pair_style reax/c, provided that the QEq parameters are the same.
#
# 2) Fix qeq/point and fix qeq/dynamic generate comparable results provided that
# the QEq parameters are the same. These two styles can also be used with
# pair_style reax/c.
units real
atom_style charge
read_data data.CHO
orthogonal box = (0 0 0) to (25 25 25)
1 by 2 by 2 MPI processor grid
reading atoms ...
105 atoms
pair_style reax/c NULL checkqeq no
pair_coeff * * ffield.reax.cho H C O
Reading potential file ffield.reax.cho with DATE: 2011-02-18
neighbor 1 bin
neigh_modify every 1 delay 0 check yes
group type1 type 1
60 atoms in group type1
compute charge1 type1 property/atom q
compute q1 type1 reduce ave c_charge1
group type2 type 2
25 atoms in group type2
compute charge2 type2 property/atom q
compute q2 type2 reduce ave c_charge2
group type3 type 3
20 atoms in group type3
compute charge3 type3 property/atom q
compute q3 type3 reduce ave c_charge3
variable qtot equal count(type1)*c_q1+count(type2)*c_q2+count(type3)*c_q3
thermo_style custom step pe c_q1 c_q2 c_q3 v_qtot
thermo 1
velocity all create 300.0 1281937
fix 1 all nve
fix 2 all qeq/reax 1 0.0 10.0 1e-6 param.qeq.reax
#fix 2 all qeq/shielded 1 10.0 1e-6 400 param.qeq1
#fix 2 all qeq/point 1 10.0 1e-6 400 param.qeq1
#fix 2 all qeq/dynamic 1 10.0 1e-3 100 param.qeq1
timestep 0.25
run 10
Neighbor list info ...
update every 1 steps, delay 0 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 11
ghost atom cutoff = 11
binsize = 5.5, bins = 5 5 5
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reax/c, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: half/ghost/bin/3d/newtoff
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off, ghost
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 10.83 | 11.69 | 12.52 Mbytes
Step PotEng c_q1 c_q2 c_q3 v_qtot
0 -10226.557 0.095633919 -0.15658765 -0.091167194 1.7763568e-15
1 -10225.799 0.0956503 -0.15662357 -0.09117143 2.8865799e-15
2 -10223.656 0.095669684 -0.15666698 -0.091175327 1.110223e-15
3 -10220.276 0.095691296 -0.15671615 -0.091178696 0
4 -10215.894 0.09571384 -0.15676787 -0.091181678 8.8817842e-16
5 -10210.804 0.095734178 -0.15681468 -0.09118418 1.3322676e-15
6 -10205.342 0.095751126 -0.15685409 -0.091185769 4.4408921e-16
7 -10199.848 0.095762403 -0.15688037 -0.091186751 0
8 -10194.646 0.095766449 -0.15689014 -0.091186673 -4.4408921e-16
9 -10190.016 0.095761078 -0.15687818 -0.09118551 -4.4408921e-16
10 -10186.168 0.095747223 -0.15684634 -0.091183742 0
Loop time of 0.0185181 on 4 procs for 10 steps with 105 atoms
Performance: 11.664 ns/day, 2.058 hours/ns, 540.011 timesteps/s
92.5% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.0097179 | 0.01078 | 0.012052 | 0.8 | 58.21
Neigh | 0 | 0 | 0 | 0.0 | 0.00
Comm | 0.00041604 | 0.0017492 | 0.0028496 | 2.1 | 9.45
Output | 0.00041103 | 0.00046283 | 0.00051498 | 0.0 | 2.50
Modify | 0.0051849 | 0.0052357 | 0.0052917 | 0.1 | 28.27
Other | | 0.0002902 | | | 1.57
Nlocal: 26.25 ave 35 max 15 min
Histogram: 1 0 0 1 0 0 0 0 0 2
Nghost: 300 ave 357 max 239 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Neighs: 1025.25 ave 1468 max 405 min
Histogram: 1 0 0 0 1 0 0 0 0 2
Total # of neighbors = 4101
Ave neighs/atom = 39.0571
Neighbor list builds = 0
Dangerous builds = 0
Please see the log.cite file for references relevant to this simulation
Total wall time: 0:00:00

View File

@ -0,0 +1,146 @@
LAMMPS (21 Nov 2023)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
# This example demonstrates the use of various fix qeq variants with pair reaxff
# You can comment in/out various versions below
#
# 1) Fix qeq/shielded generates the same results compared to fix qeq/reax when
# used with pair_style reaxff, provided that the QEq parameters are the same.
#
# 2) Fix qeq/point and fix qeq/dynamic generate comparable results provided that
# the QEq parameters are the same. These two styles can also be used with
# pair_style reaxff.
units real
atom_style charge
read_data data.CHO
Reading data file ...
orthogonal box = (0 0 0) to (25 25 25)
1 by 1 by 1 MPI processor grid
reading atoms ...
105 atoms
read_data CPU = 0.001 seconds
pair_style reaxff NULL checkqeq no
pair_coeff * * ffield.reax.cho H C O
Reading potential file ffield.reax.cho with DATE: 2011-02-18
neighbor 1 bin
neigh_modify every 1 delay 0 check yes
group type1 type 1
60 atoms in group type1
compute charge1 type1 property/atom q
compute q1 type1 reduce ave c_charge1
group type2 type 2
25 atoms in group type2
compute charge2 type2 property/atom q
compute q2 type2 reduce ave c_charge2
group type3 type 3
20 atoms in group type3
compute charge3 type3 property/atom q
compute q3 type3 reduce ave c_charge3
variable qtot equal count(type1)*c_q1+count(type2)*c_q2+count(type3)*c_q3
thermo_style custom step pe c_q1 c_q2 c_q3 v_qtot
thermo 1
velocity all create 300.0 1281937
fix 1 all nve
fix 2 all qeq/reax 1 0.0 10.0 1e-6 param.qeq.reax
#fix 2 all qeq/shielded 1 10.0 1e-6 400 param.qeq1
#fix 2 all qeq/point 1 10.0 1e-6 400 param.qeq1
#fix 2 all qeq/dynamic 1 10.0 1e-3 100 param.qeq1
timestep 0.25
run 10
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Your simulation uses code contributions which should be cited:
- pair reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
number = {4--5},
pages = {245--259}
}
- fix qeq/reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
pages = {245--259}
}
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Neighbor list info ...
update: every = 1 steps, delay = 0 steps, check = yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 11
ghost atom cutoff = 11
binsize = 5.5, bins = 5 5 5
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reaxff, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: full/ghost/bin/3d
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 14.54 | 14.54 | 14.54 Mbytes
Step PotEng c_q1 c_q2 c_q3 v_qtot
0 -10226.557 0.095633909 -0.15658753 -0.091167311 -2.8865799e-15
1 -10225.799 0.095650157 -0.15662321 -0.091171465 5.3290705e-15
2 -10223.656 0.095669727 -0.15666713 -0.091175264 -2.8865799e-15
3 -10220.276 0.095691262 -0.15671593 -0.09117887 4.6629367e-15
4 -10215.894 0.095714037 -0.15676816 -0.091181914 4.4408921e-16
5 -10210.804 0.095733939 -0.15681378 -0.091184589 -3.9968029e-15
6 -10205.342 0.09575102 -0.15685378 -0.091185835 -3.5527137e-15
7 -10199.848 0.095762356 -0.1568802 -0.091186815 2.220446e-15
8 -10194.646 0.095766731 -0.15689071 -0.091186805 -3.9968029e-15
9 -10190.016 0.095761083 -0.15687817 -0.091185537 -2.6645353e-15
10 -10186.168 0.095747444 -0.15684695 -0.091183644 -1.5543122e-15
Loop time of 0.013327 on 1 procs for 10 steps with 105 atoms
Performance: 16.208 ns/day, 1.481 hours/ns, 750.359 timesteps/s, 78.788 katom-step/s
97.3% CPU use with 1 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.010565 | 0.010565 | 0.010565 | 0.0 | 79.28
Neigh | 0 | 0 | 0 | 0.0 | 0.00
Comm | 2.3272e-05 | 2.3272e-05 | 2.3272e-05 | 0.0 | 0.17
Output | 0.00023198 | 0.00023198 | 0.00023198 | 0.0 | 1.74
Modify | 0.0024913 | 0.0024913 | 0.0024913 | 0.0 | 18.69
Other | | 1.529e-05 | | | 0.11
Nlocal: 105 ave 105 max 105 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 512 ave 512 max 512 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 3417 ave 3417 max 3417 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 3417
Ave neighs/atom = 32.542857
Neighbor list builds = 0
Dangerous builds = 0
Total wall time: 0:00:00

View File

@ -0,0 +1,146 @@
LAMMPS (21 Nov 2023)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
# This example demonstrates the use of various fix qeq variants with pair reaxff
# You can comment in/out various versions below
#
# 1) Fix qeq/shielded generates the same results compared to fix qeq/reax when
# used with pair_style reaxff, provided that the QEq parameters are the same.
#
# 2) Fix qeq/point and fix qeq/dynamic generate comparable results provided that
# the QEq parameters are the same. These two styles can also be used with
# pair_style reaxff.
units real
atom_style charge
read_data data.CHO
Reading data file ...
orthogonal box = (0 0 0) to (25 25 25)
1 by 2 by 2 MPI processor grid
reading atoms ...
105 atoms
read_data CPU = 0.000 seconds
pair_style reaxff NULL checkqeq no
pair_coeff * * ffield.reax.cho H C O
Reading potential file ffield.reax.cho with DATE: 2011-02-18
neighbor 1 bin
neigh_modify every 1 delay 0 check yes
group type1 type 1
60 atoms in group type1
compute charge1 type1 property/atom q
compute q1 type1 reduce ave c_charge1
group type2 type 2
25 atoms in group type2
compute charge2 type2 property/atom q
compute q2 type2 reduce ave c_charge2
group type3 type 3
20 atoms in group type3
compute charge3 type3 property/atom q
compute q3 type3 reduce ave c_charge3
variable qtot equal count(type1)*c_q1+count(type2)*c_q2+count(type3)*c_q3
thermo_style custom step pe c_q1 c_q2 c_q3 v_qtot
thermo 1
velocity all create 300.0 1281937
fix 1 all nve
fix 2 all qeq/reax 1 0.0 10.0 1e-6 param.qeq.reax
#fix 2 all qeq/shielded 1 10.0 1e-6 400 param.qeq1
#fix 2 all qeq/point 1 10.0 1e-6 400 param.qeq1
#fix 2 all qeq/dynamic 1 10.0 1e-3 100 param.qeq1
timestep 0.25
run 10
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Your simulation uses code contributions which should be cited:
- pair reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
number = {4--5},
pages = {245--259}
}
- fix qeq/reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
pages = {245--259}
}
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Neighbor list info ...
update: every = 1 steps, delay = 0 steps, check = yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 11
ghost atom cutoff = 11
binsize = 5.5, bins = 5 5 5
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reaxff, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: full/ghost/bin/3d
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 9.845 | 10.57 | 11.28 Mbytes
Step PotEng c_q1 c_q2 c_q3 v_qtot
0 -10226.557 0.095633904 -0.15658758 -0.091167237 -8.8817842e-16
1 -10225.799 0.095650278 -0.1566235 -0.091171458 -1.7763568e-15
2 -10223.656 0.095669806 -0.15666728 -0.091175321 0
3 -10220.276 0.095691215 -0.15671588 -0.091178792 1.7763568e-15
4 -10215.894 0.09571392 -0.15676795 -0.091181826 1.7763568e-15
5 -10210.804 0.095734058 -0.15681436 -0.091184227 1.3322676e-15
6 -10205.342 0.095751113 -0.15685409 -0.091185731 -4.4408921e-16
7 -10199.848 0.095762524 -0.15688062 -0.091186803 -1.3322676e-15
8 -10194.646 0.095766647 -0.15689045 -0.091186875 2.8865799e-15
9 -10190.016 0.095760978 -0.15687772 -0.09118579 -4.4408921e-16
10 -10186.168 0.095747037 -0.15684594 -0.091183687 -1.5543122e-15
Loop time of 0.00732332 on 4 procs for 10 steps with 105 atoms
Performance: 29.495 ns/day, 0.814 hours/ns, 1365.500 timesteps/s, 143.378 katom-step/s
99.2% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.0033186 | 0.0038166 | 0.0041063 | 0.5 | 52.12
Neigh | 0 | 0 | 0 | 0.0 | 0.00
Comm | 0.0002671 | 0.00057126 | 0.0010608 | 0.0 | 7.80
Output | 0.00019157 | 0.0002237 | 0.00028058 | 0.0 | 3.05
Modify | 0.0026446 | 0.0026528 | 0.0026604 | 0.0 | 36.22
Other | | 5.9e-05 | | | 0.81
Nlocal: 26.25 ave 35 max 15 min
Histogram: 1 0 0 1 0 0 0 0 0 2
Nghost: 300 ave 357 max 239 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Neighs: 1025.25 ave 1468 max 405 min
Histogram: 1 0 0 0 1 0 0 0 0 2
Total # of neighbors = 4101
Ave neighs/atom = 39.057143
Neighbor list builds = 0
Dangerous builds = 0
Total wall time: 0:00:00

View File

@ -6,7 +6,7 @@ units real
atom_style charge atom_style charge
read_data data.AB read_data data.AB
pair_style reax/c lmp_control pair_style reaxff lmp_control
pair_coeff * * ffield.reax.AB H B N pair_coeff * * ffield.reax.AB H B N
neighbor 2 bin neighbor 2 bin
@ -17,7 +17,7 @@ fix 2 all qeq/reax 1 0.0 10.0 1e-6 param.qeq
fix 3 all temp/berendsen 500.0 500.0 100.0 fix 3 all temp/berendsen 500.0 500.0 100.0
timestep 0.25 timestep 0.25
thermo 100
#dump 1 all atom 30 dump.reax.ab #dump 1 all atom 30 dump.reax.ab
run 3000 run 2000

View File

@ -1,17 +1,8 @@
simulation_name AB_example ! output files will carry this name + their specific ext
tabulate_long_range 10000 ! denotes the granularity of long range tabulation, 0 means no tabulation tabulate_long_range 10000 ! denotes the granularity of long range tabulation, 0 means no tabulation
energy_update_freq 1
nbrhood_cutoff 4.5 ! near neighbors cutoff for bond calculations in A nbrhood_cutoff 4.5 ! near neighbors cutoff for bond calculations in A
hbond_cutoff 6.0 ! cutoff distance for hydrogen bond interactions hbond_cutoff 6.0 ! cutoff distance for hydrogen bond interactions
bond_graph_cutoff 0.3 ! bond strength cutoff for bond graphs bond_graph_cutoff 0.3 ! bond strength cutoff for bond graphs
thb_cutoff 0.001 ! cutoff value for three body interactions thb_cutoff 0.001 ! cutoff value for three body interactions
write_freq 1 ! write trajectory after so many steps
traj_title AB ! (no white spaces)
atom_info 1 ! 0: no atom info, 1: print basic atom info in the trajectory file
atom_forces 1 ! 0: basic atom format, 1: print force on each atom in the trajectory file
atom_velocities 0 ! 0: basic atom format, 1: print the velocity of each atom in the trajectory file
bond_info 1 ! 0: do not print bonds, 1: print bonds in the trajectory file
angle_info 1 ! 0: do not print angles, 1: print angles in the trajectory file

View File

@ -0,0 +1,131 @@
LAMMPS (21 Nov 2023)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
# REAX potential for Nitroamines system
# .....
units real
atom_style charge
read_data data.AB
Reading data file ...
orthogonal box = (0 0 0) to (25 25 25)
1 by 1 by 1 MPI processor grid
reading atoms ...
104 atoms
read_data CPU = 0.001 seconds
pair_style reaxff lmp_control
pair_coeff * * ffield.reax.AB H B N
Reading potential file ffield.reax.AB with DATE: 2011-02-18
WARNING: Changed valency_val to valency_boc for X (src/REAXFF/reaxff_ffield.cpp:289)
neighbor 2 bin
neigh_modify every 10 delay 0 check no
fix 1 all nve
fix 2 all qeq/reax 1 0.0 10.0 1e-6 param.qeq
fix 3 all temp/berendsen 500.0 500.0 100.0
timestep 0.25
thermo 100
#dump 1 all atom 30 dump.reax.ab
run 2000
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Your simulation uses code contributions which should be cited:
- pair reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
number = {4--5},
pages = {245--259}
}
- fix qeq/reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
pages = {245--259}
}
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Neighbor list info ...
update: every = 10 steps, delay = 0 steps, check = no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 12
ghost atom cutoff = 12
binsize = 6, bins = 5 5 5
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reaxff, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: full/ghost/bin/3d
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 16.54 | 16.54 | 16.54 Mbytes
Step Temp E_pair E_mol TotEng Press
0 0 -8505.1816 0 -8505.1816 -673.36566
100 83.873108 -8497.003 0 -8471.252 -609.71138
200 125.22992 -8479.8879 0 -8441.4394 -1069.4072
300 202.34273 -8479.1321 0 -8417.0081 -707.7946
400 260.53055 -8476.7914 0 -8396.8025 221.10403
500 282.47043 -8466.8576 0 -8380.1326 -223.61988
600 288.72043 -8452.9503 0 -8364.3064 681.87761
700 379.03381 -8467.4869 0 -8351.1146 921.82426
800 382.0856 -8458.717 0 -8341.4078 253.69164
900 380.10802 -8449.5745 0 -8332.8725 1199.5539
1000 377.60669 -8440.3419 0 -8324.4078 -365.02585
1100 372.89451 -8428.8743 0 -8314.387 -1401.9593
1200 392.77958 -8426.3492 0 -8305.7567 -572.78319
1300 429.04209 -8430.6839 0 -8298.958 -409.55236
1400 471.52489 -8438.2785 0 -8293.5093 -16.649651
1500 404.49399 -8411.1192 0 -8286.93 338.99191
1600 443.77567 -8418.1237 0 -8281.8741 -774.22575
1700 479.8234 -8424.6901 0 -8277.3731 65.260334
1800 386.73299 -8390.8969 0 -8272.1608 70.076616
1900 431.57275 -8401.0671 0 -8268.5641 30.882406
2000 454.96043 -8406.0467 0 -8266.3632 728.1499
Loop time of 2.35094 on 1 procs for 2000 steps with 104 atoms
Performance: 18.376 ns/day, 1.306 hours/ns, 850.725 timesteps/s, 88.475 katom-step/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 | 1.9254 | 1.9254 | 1.9254 | 0.0 | 81.90
Neigh | 0.10479 | 0.10479 | 0.10479 | 0.0 | 4.46
Comm | 0.0067523 | 0.0067523 | 0.0067523 | 0.0 | 0.29
Output | 0.0005375 | 0.0005375 | 0.0005375 | 0.0 | 0.02
Modify | 0.31152 | 0.31152 | 0.31152 | 0.0 | 13.25
Other | | 0.001934 | | | 0.08
Nlocal: 104 ave 104 max 104 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 710 ave 710 max 710 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 3076 ave 3076 max 3076 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 3076
Ave neighs/atom = 29.576923
Neighbor list builds = 200
Dangerous builds not checked
Total wall time: 0:00:02

View File

@ -0,0 +1,131 @@
LAMMPS (21 Nov 2023)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
# REAX potential for Nitroamines system
# .....
units real
atom_style charge
read_data data.AB
Reading data file ...
orthogonal box = (0 0 0) to (25 25 25)
1 by 2 by 2 MPI processor grid
reading atoms ...
104 atoms
read_data CPU = 0.001 seconds
pair_style reaxff lmp_control
pair_coeff * * ffield.reax.AB H B N
Reading potential file ffield.reax.AB with DATE: 2011-02-18
WARNING: Changed valency_val to valency_boc for X (src/REAXFF/reaxff_ffield.cpp:289)
neighbor 2 bin
neigh_modify every 10 delay 0 check no
fix 1 all nve
fix 2 all qeq/reax 1 0.0 10.0 1e-6 param.qeq
fix 3 all temp/berendsen 500.0 500.0 100.0
timestep 0.25
thermo 100
#dump 1 all atom 30 dump.reax.ab
run 2000
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Your simulation uses code contributions which should be cited:
- pair reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
number = {4--5},
pages = {245--259}
}
- fix qeq/reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
pages = {245--259}
}
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Neighbor list info ...
update: every = 10 steps, delay = 0 steps, check = no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 12
ghost atom cutoff = 12
binsize = 6, bins = 5 5 5
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reaxff, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: full/ghost/bin/3d
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 11.06 | 11.68 | 11.96 Mbytes
Step Temp E_pair E_mol TotEng Press
0 0 -8505.1816 0 -8505.1816 -673.36566
100 83.873123 -8497.0031 0 -8471.252 -609.71119
200 125.23001 -8479.8879 0 -8441.4394 -1069.4122
300 202.34219 -8479.1319 0 -8417.0081 -707.82246
400 260.52726 -8476.7906 0 -8396.8026 221.14446
500 282.4624 -8466.8556 0 -8380.133 -223.17501
600 288.8059 -8452.9729 0 -8364.3028 679.38441
700 378.87007 -8467.429 0 -8351.107 920.99401
800 382.10004 -8458.7194 0 -8341.4058 256.06383
900 379.69698 -8449.4416 0 -8332.8657 1266.1715
1000 379.63496 -8440.9584 0 -8324.4015 -604.987
1100 372.82256 -8428.7507 0 -8314.2854 -1236.8451
1200 397.12809 -8427.4286 0 -8305.501 -356.42394
1300 413.36951 -8425.3861 0 -8298.472 -47.619729
1400 428.68835 -8424.4328 0 -8292.8154 -812.52975
1500 403.59408 -8411.0829 0 -8287.1701 71.054401
1600 448.76276 -8419.8186 0 -8282.0379 -339.19148
1700 450.87444 -8416.1981 0 -8277.769 -44.043208
1800 485.33509 -8421.3776 0 -8272.3684 -848.94941
1900 481.36374 -8416.1719 0 -8268.382 -282.62675
2000 437.25967 -8398.9233 0 -8264.6743 -217.40762
Loop time of 1.44368 on 4 procs for 2000 steps with 104 atoms
Performance: 29.924 ns/day, 0.802 hours/ns, 1385.350 timesteps/s, 144.076 katom-step/s
99.1% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.77999 | 0.87212 | 0.96576 | 8.1 | 60.41
Neigh | 0.054058 | 0.059726 | 0.06287 | 1.4 | 4.14
Comm | 0.031767 | 0.12609 | 0.21802 | 21.3 | 8.73
Output | 0.00041377 | 0.00045661 | 0.00058001 | 0.0 | 0.03
Modify | 0.3805 | 0.38348 | 0.3894 | 0.6 | 26.56
Other | | 0.001808 | | | 0.13
Nlocal: 26 ave 34 max 14 min
Histogram: 1 0 0 0 0 1 0 0 0 2
Nghost: 429.25 ave 457 max 386 min
Histogram: 1 0 0 0 0 1 0 0 0 2
Neighs: 922.5 ave 1238 max 496 min
Histogram: 1 0 0 0 1 0 0 0 1 1
Total # of neighbors = 3690
Ave neighs/atom = 35.480769
Neighbor list builds = 200
Dangerous builds not checked
Total wall time: 0:00:01

View File

@ -1,81 +0,0 @@
LAMMPS (8 Mar 2018)
using 1 OpenMP thread(s) per MPI task
# REAX potential for Nitroamines system
# .....
units real
atom_style charge
read_data data.AB
orthogonal box = (0 0 0) to (25 25 25)
1 by 1 by 1 MPI processor grid
reading atoms ...
104 atoms
pair_style reax/c lmp_control
pair_coeff * * ffield.reax.AB H B N
Reading potential file ffield.reax.AB with DATE: 2011-02-18
neighbor 2 bin
neigh_modify every 10 delay 0 check no
fix 1 all nve
fix 2 all qeq/reax 1 0.0 10.0 1e-6 param.qeq
fix 3 all temp/berendsen 500.0 500.0 100.0
timestep 0.25
#dump 1 all atom 30 dump.reax.ab
run 3000
Neighbor list info ...
update every 10 steps, delay 0 steps, check no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 12
ghost atom cutoff = 12
binsize = 6, bins = 5 5 5
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reax/c, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: half/ghost/bin/3d/newtoff
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off, ghost
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 19.3 | 19.3 | 19.3 Mbytes
Step Temp E_pair E_mol TotEng Press
0 0 -8505.1816 0 -8505.1816 -673.36566
3000 478.18595 -8398.4168 0 -8251.6025 1452.6935
Loop time of 14.3573 on 1 procs for 3000 steps with 104 atoms
Performance: 4.513 ns/day, 5.318 hours/ns, 208.952 timesteps/s
96.6% CPU use with 1 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 12.709 | 12.709 | 12.709 | 0.0 | 88.52
Neigh | 0.36804 | 0.36804 | 0.36804 | 0.0 | 2.56
Comm | 0.022419 | 0.022419 | 0.022419 | 0.0 | 0.16
Output | 2.8133e-05 | 2.8133e-05 | 2.8133e-05 | 0.0 | 0.00
Modify | 1.2513 | 1.2513 | 1.2513 | 0.0 | 8.72
Other | | 0.006263 | | | 0.04
Nlocal: 104 ave 104 max 104 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 694 ave 694 max 694 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 2866 ave 2866 max 2866 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 2866
Ave neighs/atom = 27.5577
Neighbor list builds = 300
Dangerous builds not checked
Please see the log.cite file for references relevant to this simulation
Total wall time: 0:00:14

View File

@ -1,81 +0,0 @@
LAMMPS (8 Mar 2018)
using 1 OpenMP thread(s) per MPI task
# REAX potential for Nitroamines system
# .....
units real
atom_style charge
read_data data.AB
orthogonal box = (0 0 0) to (25 25 25)
1 by 2 by 2 MPI processor grid
reading atoms ...
104 atoms
pair_style reax/c lmp_control
pair_coeff * * ffield.reax.AB H B N
Reading potential file ffield.reax.AB with DATE: 2011-02-18
neighbor 2 bin
neigh_modify every 10 delay 0 check no
fix 1 all nve
fix 2 all qeq/reax 1 0.0 10.0 1e-6 param.qeq
fix 3 all temp/berendsen 500.0 500.0 100.0
timestep 0.25
#dump 1 all atom 30 dump.reax.ab
run 3000
Neighbor list info ...
update every 10 steps, delay 0 steps, check no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 12
ghost atom cutoff = 12
binsize = 6, bins = 5 5 5
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reax/c, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: half/ghost/bin/3d/newtoff
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off, ghost
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 12.38 | 13.22 | 13.64 Mbytes
Step Temp E_pair E_mol TotEng Press
0 0 -8505.1816 0 -8505.1816 -673.36566
3000 555.17702 -8426.5541 0 -8256.1017 219.26856
Loop time of 9.03521 on 4 procs for 3000 steps with 104 atoms
Performance: 7.172 ns/day, 3.346 hours/ns, 332.034 timesteps/s
94.6% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 7.0347 | 7.0652 | 7.1049 | 1.0 | 78.20
Neigh | 0.18481 | 0.20727 | 0.22108 | 3.0 | 2.29
Comm | 0.075175 | 0.11496 | 0.14517 | 7.4 | 1.27
Output | 2.2888e-05 | 2.569e-05 | 3.1948e-05 | 0.0 | 0.00
Modify | 1.6286 | 1.6421 | 1.6649 | 1.1 | 18.17
Other | | 0.005646 | | | 0.06
Nlocal: 26 ave 35 max 13 min
Histogram: 1 0 0 0 0 1 0 0 1 1
Nghost: 420.25 ave 454 max 370 min
Histogram: 1 0 0 0 0 1 0 0 1 1
Neighs: 862.5 ave 1178 max 444 min
Histogram: 1 0 0 0 1 0 0 0 1 1
Total # of neighbors = 3450
Ave neighs/atom = 33.1731
Neighbor list builds = 300
Dangerous builds not checked
Please see the log.cite file for references relevant to this simulation
Total wall time: 0:00:09

View File

@ -6,7 +6,7 @@ units real
atom_style charge atom_style charge
read_data data.AuO read_data data.AuO
pair_style reax/c lmp_control pair_style reaxff lmp_control
pair_coeff * * ffield.reax.AuO O Au pair_coeff * * ffield.reax.AuO O Au
neighbor 2 bin neighbor 2 bin
@ -18,6 +18,8 @@ fix 3 all temp/berendsen 500.0 500.0 100.0
timestep 0.25 timestep 0.25
thermo 5
#dump 1 all atom 30 dump.reax.auo #dump 1 all atom 30 dump.reax.auo
run 100 run 100

View File

@ -1,17 +1,7 @@
simulation_name AuO_example ! output files will carry this name + their specific ext
tabulate_long_range 10000 ! denotes the granularity of long range tabulation, 0 means no tabulation tabulate_long_range 10000 ! denotes the granularity of long range tabulation, 0 means no tabulation
energy_update_freq 1
nbrhood_cutoff 4.5 ! near neighbors cutoff for bond calculations in A nbrhood_cutoff 4.5 ! near neighbors cutoff for bond calculations in A
hbond_cutoff 6.0 ! cutoff distance for hydrogen bond interactions hbond_cutoff 6.0 ! cutoff distance for hydrogen bond interactions
bond_graph_cutoff 0.3 ! bond strength cutoff for bond graphs bond_graph_cutoff 0.3 ! bond strength cutoff for bond graphs
thb_cutoff 0.001 ! cutoff value for three body interactions thb_cutoff 0.001 ! cutoff value for three body interactions
write_freq 1 ! write trajectory after so many steps
traj_title AuO ! (no white spaces)
atom_info 1 ! 0: no atom info, 1: print basic atom info in the trajectory file
atom_forces 1 ! 0: basic atom format, 1: print force on each atom in the trajectory file
atom_velocities 0 ! 0: basic atom format, 1: print the velocity of each atom in the trajectory file
bond_info 1 ! 0: do not print bonds, 1: print bonds in the trajectory file
angle_info 1 ! 0: do not print angles, 1: print angles in the trajectory file

View File

@ -0,0 +1,132 @@
LAMMPS (21 Nov 2023)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
# REAX potential for AuO system
# .....
units real
atom_style charge
read_data data.AuO
Reading data file ...
orthogonal box = (0 0 0) to (26.15618 21.54252 24.00246)
1 by 1 by 1 MPI processor grid
reading atoms ...
960 atoms
read_data CPU = 0.004 seconds
pair_style reaxff lmp_control
pair_coeff * * ffield.reax.AuO O Au
Reading potential file ffield.reax.AuO with DATE: 2011-02-18
neighbor 2 bin
neigh_modify every 10 delay 0 check no
fix 1 all nve
fix 2 all qeq/reax 1 0.0 10.0 1e-6 param.qeq
fix 3 all temp/berendsen 500.0 500.0 100.0
timestep 0.25
thermo 5
#dump 1 all atom 30 dump.reax.auo
run 100
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Your simulation uses code contributions which should be cited:
- pair reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
number = {4--5},
pages = {245--259}
}
- fix qeq/reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
pages = {245--259}
}
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Neighbor list info ...
update: every = 10 steps, delay = 0 steps, check = no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 12
ghost atom cutoff = 12
binsize = 6, bins = 5 4 5
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reaxff, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: full/ghost/bin/3d
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 129.2 | 129.2 | 129.2 Mbytes
Step Temp E_pair E_mol TotEng Press
0 0 -72201.743 0 -72201.743 -166.19508
5 6.5398577 -72202.679 0 -72183.984 71.658901
10 13.280881 -72204.445 0 -72166.481 515.28836
15 19.951637 -72206.24 0 -72149.206 886.438
20 26.441301 -72207.78 0 -72132.195 1549.914
25 32.580167 -72208.5 0 -72115.367 2309.8004
30 38.264935 -72208.14 0 -72098.756 3148.7379
35 43.433009 -72206.523 0 -72082.366 3853.4389
40 48.028176 -72203.472 0 -72066.178 4830.1846
45 52.019459 -72198.85 0 -72050.147 5881.5166
50 55.407353 -72192.638 0 -72034.251 6996.89
55 58.218407 -72184.89 0 -72018.467 8191.8057
60 60.499102 -72175.717 0 -72002.774 9470.0601
65 62.309031 -72165.271 0 -71987.155 10831.309
70 63.72857 -72153.749 0 -71971.575 12270.345
75 64.847533 -72141.43 0 -71956.057 13791.775
80 65.755809 -72128.548 0 -71940.579 15397.406
85 66.547696 -72115.362 0 -71925.129 17100.883
90 67.309412 -72102.119 0 -71909.708 18888.699
95 68.120206 -72089.043 0 -71894.315 20757.038
100 69.043359 -72076.31 0 -71878.942 22702.463
Loop time of 5.72003 on 1 procs for 100 steps with 960 atoms
Performance: 0.378 ns/day, 63.556 hours/ns, 17.482 timesteps/s, 16.783 katom-step/s
99.8% CPU use with 1 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 4.2903 | 4.2903 | 4.2903 | 0.0 | 75.00
Neigh | 0.31194 | 0.31194 | 0.31194 | 0.0 | 5.45
Comm | 0.0034139 | 0.0034139 | 0.0034139 | 0.0 | 0.06
Output | 0.0005041 | 0.0005041 | 0.0005041 | 0.0 | 0.01
Modify | 1.1134 | 1.1134 | 1.1134 | 0.0 | 19.46
Other | | 0.0005147 | | | 0.01
Nlocal: 960 ave 960 max 960 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 6708 ave 6708 max 6708 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 369128 ave 369128 max 369128 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 369128
Ave neighs/atom = 384.50833
Neighbor list builds = 10
Dangerous builds not checked
Total wall time: 0:00:05

View File

@ -0,0 +1,132 @@
LAMMPS (21 Nov 2023)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
# REAX potential for AuO system
# .....
units real
atom_style charge
read_data data.AuO
Reading data file ...
orthogonal box = (0 0 0) to (26.15618 21.54252 24.00246)
2 by 1 by 2 MPI processor grid
reading atoms ...
960 atoms
read_data CPU = 0.002 seconds
pair_style reaxff lmp_control
pair_coeff * * ffield.reax.AuO O Au
Reading potential file ffield.reax.AuO with DATE: 2011-02-18
neighbor 2 bin
neigh_modify every 10 delay 0 check no
fix 1 all nve
fix 2 all qeq/reax 1 0.0 10.0 1e-6 param.qeq
fix 3 all temp/berendsen 500.0 500.0 100.0
timestep 0.25
thermo 5
#dump 1 all atom 30 dump.reax.auo
run 100
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Your simulation uses code contributions which should be cited:
- pair reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
number = {4--5},
pages = {245--259}
}
- fix qeq/reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
pages = {245--259}
}
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Neighbor list info ...
update: every = 10 steps, delay = 0 steps, check = no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 12
ghost atom cutoff = 12
binsize = 6, bins = 5 4 5
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reaxff, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: full/ghost/bin/3d
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 71.65 | 71.65 | 71.65 Mbytes
Step Temp E_pair E_mol TotEng Press
0 0 -72201.743 0 -72201.743 -166.19214
5 6.5398578 -72202.679 0 -72183.984 71.651708
10 13.280883 -72204.445 0 -72166.481 515.29601
15 19.951639 -72206.24 0 -72149.206 886.53083
20 26.441291 -72207.78 0 -72132.195 1550.0745
25 32.580153 -72208.5 0 -72115.366 2309.9393
30 38.264928 -72208.14 0 -72098.756 3148.6036
35 43.432999 -72206.523 0 -72082.365 3853.6963
40 48.028158 -72203.472 0 -72066.179 4830.1407
45 52.019436 -72198.85 0 -72050.147 5881.1916
50 55.407331 -72192.638 0 -72034.251 6996.6661
55 58.218406 -72184.89 0 -72018.467 8191.9075
60 60.499115 -72175.716 0 -72002.774 9470.4845
65 62.309058 -72165.271 0 -71987.154 10831.926
70 63.728581 -72153.75 0 -71971.575 12269.823
75 64.847544 -72141.431 0 -71956.058 13791.586
80 65.755816 -72128.549 0 -71940.579 15396.822
85 66.547694 -72115.363 0 -71925.13 17100.27
90 67.309401 -72102.119 0 -71909.708 18888.633
95 68.120175 -72089.042 0 -71894.314 20757.565
100 69.043333 -72076.31 0 -71878.943 22701.953
Loop time of 2.52972 on 4 procs for 100 steps with 960 atoms
Performance: 0.854 ns/day, 28.108 hours/ns, 39.530 timesteps/s, 37.949 katom-step/s
99.5% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 1.9911 | 2.0015 | 2.0084 | 0.5 | 79.12
Neigh | 0.16044 | 0.16105 | 0.16228 | 0.2 | 6.37
Comm | 0.018211 | 0.025417 | 0.03612 | 4.2 | 1.00
Output | 0.00039837 | 0.00043613 | 0.00054664 | 0.0 | 0.02
Modify | 0.34008 | 0.34101 | 0.34154 | 0.1 | 13.48
Other | | 0.0003489 | | | 0.01
Nlocal: 240 ave 240 max 240 min
Histogram: 4 0 0 0 0 0 0 0 0 0
Nghost: 3981 ave 3981 max 3981 min
Histogram: 4 0 0 0 0 0 0 0 0 0
Neighs: 105979 ave 105979 max 105979 min
Histogram: 4 0 0 0 0 0 0 0 0 0
Total # of neighbors = 423916
Ave neighs/atom = 441.57917
Neighbor list builds = 10
Dangerous builds not checked
Total wall time: 0:00:02

View File

@ -1,81 +0,0 @@
LAMMPS (8 Mar 2018)
using 1 OpenMP thread(s) per MPI task
# REAX potential for AuO system
# .....
units real
atom_style charge
read_data data.AuO
orthogonal box = (0 0 0) to (26.1562 21.5425 24.0025)
1 by 1 by 1 MPI processor grid
reading atoms ...
960 atoms
pair_style reax/c lmp_control
pair_coeff * * ffield.reax.AuO O Au
Reading potential file ffield.reax.AuO with DATE: 2011-02-18
neighbor 2 bin
neigh_modify every 10 delay 0 check no
fix 1 all nve
fix 2 all qeq/reax 1 0.0 10.0 1e-6 param.qeq
fix 3 all temp/berendsen 500.0 500.0 100.0
timestep 0.25
#dump 1 all atom 30 dump.reax.auo
run 100
Neighbor list info ...
update every 10 steps, delay 0 steps, check no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 12
ghost atom cutoff = 12
binsize = 6, bins = 5 4 5
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reax/c, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: half/ghost/bin/3d/newtoff
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off, ghost
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 157.6 | 157.6 | 157.6 Mbytes
Step Temp E_pair E_mol TotEng Press
0 0 -72201.743 0 -72201.743 -166.19482
100 69.043331 -72076.309 0 -71878.942 22702.89
Loop time of 18.4369 on 1 procs for 100 steps with 960 atoms
Performance: 0.117 ns/day, 204.854 hours/ns, 5.424 timesteps/s
98.7% CPU use with 1 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 15.373 | 15.373 | 15.373 | 0.0 | 83.38
Neigh | 0.58774 | 0.58774 | 0.58774 | 0.0 | 3.19
Comm | 0.0079026 | 0.0079026 | 0.0079026 | 0.0 | 0.04
Output | 3.171e-05 | 3.171e-05 | 3.171e-05 | 0.0 | 0.00
Modify | 2.4665 | 2.4665 | 2.4665 | 0.0 | 13.38
Other | | 0.001366 | | | 0.01
Nlocal: 960 ave 960 max 960 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 6708 ave 6708 max 6708 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 369128 ave 369128 max 369128 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 369128
Ave neighs/atom = 384.508
Neighbor list builds = 10
Dangerous builds not checked
Please see the log.cite file for references relevant to this simulation
Total wall time: 0:00:18

View File

@ -1,81 +0,0 @@
LAMMPS (8 Mar 2018)
using 1 OpenMP thread(s) per MPI task
# REAX potential for AuO system
# .....
units real
atom_style charge
read_data data.AuO
orthogonal box = (0 0 0) to (26.1562 21.5425 24.0025)
2 by 1 by 2 MPI processor grid
reading atoms ...
960 atoms
pair_style reax/c lmp_control
pair_coeff * * ffield.reax.AuO O Au
Reading potential file ffield.reax.AuO with DATE: 2011-02-18
neighbor 2 bin
neigh_modify every 10 delay 0 check no
fix 1 all nve
fix 2 all qeq/reax 1 0.0 10.0 1e-6 param.qeq
fix 3 all temp/berendsen 500.0 500.0 100.0
timestep 0.25
#dump 1 all atom 30 dump.reax.auo
run 100
Neighbor list info ...
update every 10 steps, delay 0 steps, check no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 12
ghost atom cutoff = 12
binsize = 6, bins = 5 4 5
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reax/c, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: half/ghost/bin/3d/newtoff
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off, ghost
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 87.17 | 87.17 | 87.17 Mbytes
Step Temp E_pair E_mol TotEng Press
0 0 -72201.743 0 -72201.743 -166.2027
100 69.043379 -72076.31 0 -71878.943 22701.771
Loop time of 8.44797 on 4 procs for 100 steps with 960 atoms
Performance: 0.256 ns/day, 93.866 hours/ns, 11.837 timesteps/s
96.5% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 7.3702 | 7.3757 | 7.3879 | 0.3 | 87.31
Neigh | 0.28875 | 0.29449 | 0.29747 | 0.6 | 3.49
Comm | 0.015008 | 0.027055 | 0.032681 | 4.3 | 0.32
Output | 2.4319e-05 | 2.8551e-05 | 3.8624e-05 | 0.0 | 0.00
Modify | 0.74721 | 0.74985 | 0.75539 | 0.4 | 8.88
Other | | 0.0008975 | | | 0.01
Nlocal: 240 ave 240 max 240 min
Histogram: 4 0 0 0 0 0 0 0 0 0
Nghost: 3981 ave 3981 max 3981 min
Histogram: 4 0 0 0 0 0 0 0 0 0
Neighs: 105979 ave 105979 max 105979 min
Histogram: 4 0 0 0 0 0 0 0 0 0
Total # of neighbors = 423916
Ave neighs/atom = 441.579
Neighbor list builds = 10
Dangerous builds not checked
Please see the log.cite file for references relevant to this simulation
Total wall time: 0:00:08

View File

@ -6,7 +6,7 @@ units real
atom_style charge atom_style charge
read_data data.CHO read_data data.CHO
pair_style reax/c lmp_control pair_style reaxff lmp_control
pair_coeff * * ffield.reax.cho H C O pair_coeff * * ffield.reax.cho H C O
neighbor 2 bin neighbor 2 bin
@ -18,6 +18,7 @@ fix 3 all temp/berendsen 500.0 500.0 100.0
timestep 0.25 timestep 0.25
thermo 100
#dump 1 all atom 30 dump.reax.cho #dump 1 all atom 30 dump.reax.cho
run 3000 run 3000

View File

@ -1,17 +1,8 @@
simulation_name CHO_example ! output files will carry this name + their specific ext
tabulate_long_range 10000 ! denotes the granularity of long range tabulation, 0 means no tabulation tabulate_long_range 10000 ! denotes the granularity of long range tabulation, 0 means no tabulation
energy_update_freq 1
nbrhood_cutoff 4.5 ! near neighbors cutoff for bond calculations in A nbrhood_cutoff 4.5 ! near neighbors cutoff for bond calculations in A
hbond_cutoff 6.0 ! cutoff distance for hydrogen bond interactions hbond_cutoff 6.0 ! cutoff distance for hydrogen bond interactions
bond_graph_cutoff 0.3 ! bond strength cutoff for bond graphs bond_graph_cutoff 0.3 ! bond strength cutoff for bond graphs
thb_cutoff 0.001 ! cutoff value for three body interactions thb_cutoff 0.001 ! cutoff value for three body interactions
write_freq 1 ! write trajectory after so many steps
traj_title CHO ! (no white spaces)
atom_info 1 ! 0: no atom info, 1: print basic atom info in the trajectory file
atom_forces 1 ! 0: basic atom format, 1: print force on each atom in the trajectory file
atom_velocities 0 ! 0: basic atom format, 1: print the velocity of each atom in the trajectory file
bond_info 1 ! 0: do not print bonds, 1: print bonds in the trajectory file
angle_info 1 ! 0: do not print angles, 1: print angles in the trajectory file

View File

@ -0,0 +1,141 @@
LAMMPS (21 Nov 2023)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
# REAX potential for CHO system
# .....
units real
atom_style charge
read_data data.CHO
Reading data file ...
orthogonal box = (0 0 0) to (25 25 25)
1 by 1 by 1 MPI processor grid
reading atoms ...
105 atoms
read_data CPU = 0.001 seconds
pair_style reaxff lmp_control
pair_coeff * * ffield.reax.cho H C O
Reading potential file ffield.reax.cho with DATE: 2011-02-18
neighbor 2 bin
neigh_modify every 10 delay 0 check no
fix 1 all nve
fix 2 all qeq/reax 1 0.0 10.0 1e-6 param.qeq
fix 3 all temp/berendsen 500.0 500.0 100.0
timestep 0.25
thermo 100
#dump 1 all atom 30 dump.reax.cho
run 3000
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Your simulation uses code contributions which should be cited:
- pair reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
number = {4--5},
pages = {245--259}
}
- fix qeq/reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
pages = {245--259}
}
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Neighbor list info ...
update: every = 10 steps, delay = 0 steps, check = no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 12
ghost atom cutoff = 12
binsize = 6, bins = 5 5 5
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reaxff, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: full/ghost/bin/3d
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 16.04 | 16.04 | 16.04 Mbytes
Step Temp E_pair E_mol TotEng Press
0 0 -10226.557 0 -10226.557 -106.09742
100 54.051992 -10207.393 0 -10190.636 -291.38729
200 134.81151 -10200.411 0 -10158.619 -1637.1719
300 140.9118 -10177.136 0 -10133.452 -1668.5701
400 254.70109 -10189.927 0 -10110.969 -2522.3829
500 228.22383 -10162.396 0 -10091.646 404.00518
600 393.48635 -10197.284 0 -10075.301 394.0729
700 305.82675 -10156.708 0 -10061.9 362.69731
800 375.9566 -10170.288 0 -10053.74 -664.01093
900 361.59639 -10155.849 0 -10043.752 458.54613
1000 445.46183 -10176.602 0 -10038.507 251.38181
1100 475.46673 -10180.119 0 -10032.723 839.6649
1200 406.78262 -10155.498 0 -10029.394 62.559824
1300 461.0773 -10167.129 0 -10024.193 266.27742
1400 408.15446 -10148.62 0 -10022.091 -1187.1776
1500 514.43707 -10178.34 0 -10018.863 -616.2329
1600 432.19202 -10151.16 0 -10017.179 -677.67834
1700 521.01474 -10175.583 0 -10014.066 97.420991
1800 409.79407 -10138.825 0 -10011.787 1883.8131
1900 481.84667 -10160.146 0 -10010.772 1059.6448
2000 423.61284 -10138.538 0 -10007.216 -434.24008
2100 521.01756 -10169.192 0 -10007.674 376.95207
2200 477.03314 -10153.033 0 -10005.151 -114.09514
2300 477.80526 -10153.294 0 -10005.172 869.97281
2400 471.49741 -10149.165 0 -10002.999 689.65295
2500 482.38958 -10152.956 0 -10003.413 352.08649
2600 505.57503 -10159.507 0 -10002.777 -812.75272
2700 498.41415 -10156.448 0 -10001.937 -458.03311
2800 534.65278 -10166.893 0 -10001.149 169.20767
2900 432.93717 -10134.759 0 -10000.546 -184.75627
3000 548.46832 -10170.375 0 -10000.347 41.765546
Loop time of 3.49376 on 1 procs for 3000 steps with 105 atoms
Performance: 18.547 ns/day, 1.294 hours/ns, 858.673 timesteps/s, 90.161 katom-step/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 | 2.8082 | 2.8082 | 2.8082 | 0.0 | 80.38
Neigh | 0.15477 | 0.15477 | 0.15477 | 0.0 | 4.43
Comm | 0.0097478 | 0.0097478 | 0.0097478 | 0.0 | 0.28
Output | 0.00081006 | 0.00081006 | 0.00081006 | 0.0 | 0.02
Modify | 0.51773 | 0.51773 | 0.51773 | 0.0 | 14.82
Other | | 0.002538 | | | 0.07
Nlocal: 105 ave 105 max 105 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 643 ave 643 max 643 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 4237 ave 4237 max 4237 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 4237
Ave neighs/atom = 40.352381
Neighbor list builds = 300
Dangerous builds not checked
Total wall time: 0:00:03

View File

@ -0,0 +1,141 @@
LAMMPS (21 Nov 2023)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
# REAX potential for CHO system
# .....
units real
atom_style charge
read_data data.CHO
Reading data file ...
orthogonal box = (0 0 0) to (25 25 25)
1 by 2 by 2 MPI processor grid
reading atoms ...
105 atoms
read_data CPU = 0.001 seconds
pair_style reaxff lmp_control
pair_coeff * * ffield.reax.cho H C O
Reading potential file ffield.reax.cho with DATE: 2011-02-18
neighbor 2 bin
neigh_modify every 10 delay 0 check no
fix 1 all nve
fix 2 all qeq/reax 1 0.0 10.0 1e-6 param.qeq
fix 3 all temp/berendsen 500.0 500.0 100.0
timestep 0.25
thermo 100
#dump 1 all atom 30 dump.reax.cho
run 3000
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Your simulation uses code contributions which should be cited:
- pair reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
number = {4--5},
pages = {245--259}
}
- fix qeq/reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
pages = {245--259}
}
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Neighbor list info ...
update: every = 10 steps, delay = 0 steps, check = no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 12
ghost atom cutoff = 12
binsize = 6, bins = 5 5 5
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reaxff, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: full/ghost/bin/3d
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 10.47 | 11.39 | 12.19 Mbytes
Step Temp E_pair E_mol TotEng Press
0 0 -10226.557 0 -10226.557 -106.09736
100 54.051902 -10207.393 0 -10190.636 -291.39467
200 134.81172 -10200.411 0 -10158.619 -1637.1599
300 140.91215 -10177.136 0 -10133.452 -1668.5676
400 254.70123 -10189.927 0 -10110.968 -2522.3655
500 228.22204 -10162.396 0 -10091.646 403.98879
600 393.48756 -10197.284 0 -10075.301 394.11243
700 305.82625 -10156.707 0 -10061.9 362.73212
800 375.95634 -10170.288 0 -10053.74 -664.10079
900 361.59143 -10155.847 0 -10043.752 458.52018
1000 445.4582 -10176.601 0 -10038.507 251.4509
1100 475.47 -10180.12 0 -10032.722 840.09331
1200 406.77476 -10155.496 0 -10029.394 62.656622
1300 461.06079 -10167.123 0 -10024.192 265.91062
1400 408.15869 -10148.621 0 -10022.09 -1187.4869
1500 514.43021 -10178.337 0 -10018.862 -616.07216
1600 432.22013 -10151.168 0 -10017.178 -678.01121
1700 521.0846 -10175.605 0 -10014.067 98.591699
1800 409.72383 -10138.803 0 -10011.787 1884.7989
1900 481.86369 -10160.152 0 -10010.773 1058.5554
2000 423.60058 -10138.532 0 -10007.214 -437.22408
2100 520.96555 -10169.169 0 -10007.668 376.18619
2200 477.21351 -10153.089 0 -10005.15 -113.43512
2300 477.86263 -10153.309 0 -10005.17 868.89369
2400 471.46466 -10149.152 0 -10002.996 688.76379
2500 482.61616 -10153.025 0 -10003.412 350.03715
2600 505.68439 -10159.544 0 -10002.78 -810.94974
2700 498.37307 -10156.441 0 -10001.944 -460.12105
2800 535.06218 -10167.029 0 -10001.157 152.85379
2900 432.98591 -10134.778 0 -10000.55 -170.46638
3000 547.92956 -10170.199 0 -10000.339 60.201766
Loop time of 2.03179 on 4 procs for 3000 steps with 105 atoms
Performance: 31.893 ns/day, 0.753 hours/ns, 1476.533 timesteps/s, 155.036 katom-step/s
99.0% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 1.213 | 1.2396 | 1.2505 | 1.4 | 61.01
Neigh | 0.074765 | 0.08966 | 0.10323 | 4.3 | 4.41
Comm | 0.12894 | 0.14116 | 0.16833 | 4.2 | 6.95
Output | 0.0006079 | 0.00066664 | 0.00083802 | 0.0 | 0.03
Modify | 0.54589 | 0.55836 | 0.57217 | 1.6 | 27.48
Other | | 0.002368 | | | 0.12
Nlocal: 26.25 ave 45 max 6 min
Histogram: 1 0 1 0 0 0 0 0 1 1
Nghost: 380.75 ave 495 max 261 min
Histogram: 1 0 1 0 0 0 0 0 1 1
Neighs: 1269.5 ave 2197 max 179 min
Histogram: 1 0 1 0 0 0 0 0 1 1
Total # of neighbors = 5078
Ave neighs/atom = 48.361905
Neighbor list builds = 300
Dangerous builds not checked
Total wall time: 0:00:02

View File

@ -1,81 +0,0 @@
LAMMPS (8 Mar 2018)
using 1 OpenMP thread(s) per MPI task
# REAX potential for CHO system
# .....
units real
atom_style charge
read_data data.CHO
orthogonal box = (0 0 0) to (25 25 25)
1 by 1 by 1 MPI processor grid
reading atoms ...
105 atoms
pair_style reax/c lmp_control
pair_coeff * * ffield.reax.cho H C O
Reading potential file ffield.reax.cho with DATE: 2011-02-18
neighbor 2 bin
neigh_modify every 10 delay 0 check no
fix 1 all nve
fix 2 all qeq/reax 1 0.0 10.0 1e-6 param.qeq
fix 3 all temp/berendsen 500.0 500.0 100.0
timestep 0.25
#dump 1 all atom 30 dump.reax.cho
run 3000
Neighbor list info ...
update every 10 steps, delay 0 steps, check no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 12
ghost atom cutoff = 12
binsize = 6, bins = 5 5 5
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reax/c, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: half/ghost/bin/3d/newtoff
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off, ghost
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 18.68 | 18.68 | 18.68 Mbytes
Step Temp E_pair E_mol TotEng Press
0 0 -10226.557 0 -10226.557 -106.09755
3000 548.5116 -10170.389 0 -10000.348 40.372297
Loop time of 12.6046 on 1 procs for 3000 steps with 105 atoms
Performance: 5.141 ns/day, 4.668 hours/ns, 238.008 timesteps/s
98.9% CPU use with 1 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 10.931 | 10.931 | 10.931 | 0.0 | 86.72
Neigh | 0.33107 | 0.33107 | 0.33107 | 0.0 | 2.63
Comm | 0.017975 | 0.017975 | 0.017975 | 0.0 | 0.14
Output | 2.0742e-05 | 2.0742e-05 | 2.0742e-05 | 0.0 | 0.00
Modify | 1.3197 | 1.3197 | 1.3197 | 0.0 | 10.47
Other | | 0.005059 | | | 0.04
Nlocal: 105 ave 105 max 105 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 643 ave 643 max 643 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 4237 ave 4237 max 4237 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 4237
Ave neighs/atom = 40.3524
Neighbor list builds = 300
Dangerous builds not checked
Please see the log.cite file for references relevant to this simulation
Total wall time: 0:00:12

View File

@ -1,81 +0,0 @@
LAMMPS (8 Mar 2018)
using 1 OpenMP thread(s) per MPI task
# REAX potential for CHO system
# .....
units real
atom_style charge
read_data data.CHO
orthogonal box = (0 0 0) to (25 25 25)
1 by 2 by 2 MPI processor grid
reading atoms ...
105 atoms
pair_style reax/c lmp_control
pair_coeff * * ffield.reax.cho H C O
Reading potential file ffield.reax.cho with DATE: 2011-02-18
neighbor 2 bin
neigh_modify every 10 delay 0 check no
fix 1 all nve
fix 2 all qeq/reax 1 0.0 10.0 1e-6 param.qeq
fix 3 all temp/berendsen 500.0 500.0 100.0
timestep 0.25
#dump 1 all atom 30 dump.reax.cho
run 3000
Neighbor list info ...
update every 10 steps, delay 0 steps, check no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 12
ghost atom cutoff = 12
binsize = 6, bins = 5 5 5
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reax/c, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: half/ghost/bin/3d/newtoff
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off, ghost
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 11.75 | 12.85 | 13.81 Mbytes
Step Temp E_pair E_mol TotEng Press
0 0 -10226.557 0 -10226.557 -106.09745
3000 548.30567 -10170.323 0 -10000.346 47.794514
Loop time of 7.42367 on 4 procs for 3000 steps with 105 atoms
Performance: 8.729 ns/day, 2.750 hours/ns, 404.113 timesteps/s
97.7% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 5.3058 | 5.4086 | 5.4922 | 3.1 | 72.86
Neigh | 0.14791 | 0.17866 | 0.2106 | 6.5 | 2.41
Comm | 0.080185 | 0.16666 | 0.26933 | 17.7 | 2.24
Output | 2.5988e-05 | 2.8491e-05 | 3.4571e-05 | 0.0 | 0.00
Modify | 1.6364 | 1.6658 | 1.6941 | 2.0 | 22.44
Other | | 0.003964 | | | 0.05
Nlocal: 26.25 ave 45 max 6 min
Histogram: 1 0 1 0 0 0 0 0 1 1
Nghost: 380.75 ave 495 max 261 min
Histogram: 1 0 1 0 0 0 0 0 1 1
Neighs: 1269.5 ave 2197 max 179 min
Histogram: 1 0 1 0 0 0 0 0 1 1
Total # of neighbors = 5078
Ave neighs/atom = 48.3619
Neighbor list builds = 300
Dangerous builds not checked
Please see the log.cite file for references relevant to this simulation
Total wall time: 0:00:07

View File

@ -8,11 +8,11 @@ units real
atom_style charge atom_style charge
read_data data.FC read_data data.FC
pair_style reax/c NULL pair_style reaxff NULL
pair_coeff * * ffield.reax.FC C F pair_coeff * * ffield.reax.FC C F
neighbor 2. bin neighbor 2. bin
neigh_modify every 10 delay 0 check no neigh_modify every 10 delay 0 check no
fix 2 all qeq/reax 1 0.0 10.0 1e-6 reax/c fix 2 all qeq/reax 1 0.0 10.0 1e-6 reaxff
# should equilibrate much longer in practice # should equilibrate much longer in practice

View File

@ -0,0 +1,172 @@
LAMMPS (21 Nov 2023)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
# REAX potential for Nitroamines system
# .....
dimension 3
boundary p p p
units real
atom_style charge
read_data data.FC
Reading data file ...
orthogonal box = (-82.62 -79.5011 -50) to (82.62 79.5011 50)
1 by 1 by 1 MPI processor grid
reading atoms ...
17280 atoms
read_data CPU = 0.025 seconds
pair_style reaxff NULL
pair_coeff * * ffield.reax.FC C F
Reading potential file ffield.reax.FC with DATE: 2013-06-28
WARNING: Changed valency_val to valency_boc for X (src/REAXFF/reaxff_ffield.cpp:289)
neighbor 2. bin
neigh_modify every 10 delay 0 check no
fix 2 all qeq/reax 1 0.0 10.0 1e-6 reaxff
# should equilibrate much longer in practice
fix 1 all npt temp 100.0 100.0 10.0 iso 1.0 1. 2000.0
timestep 0.2
thermo_style custom step temp epair etotal press
thermo 1
dump 4 all xyz 5000 dumpnpt.xyz
run 10
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Your simulation uses code contributions which should be cited:
- pair reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
number = {4--5},
pages = {245--259}
}
- fix qeq/reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
pages = {245--259}
}
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Neighbor list info ...
update: every = 10 steps, delay = 0 steps, check = no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 12
ghost atom cutoff = 12
binsize = 6, bins = 28 27 17
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reaxff, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: full/ghost/bin/3d
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 384.3 | 384.3 | 384.3 Mbytes
Step Temp E_pair TotEng Press
0 0 -808525.04 -808525.04 58194.694
1 4.9935726 -808803.88 -808546.69 58205.825
2 19.98696 -809640.53 -808611.1 58239.155
3 45.012616 -811035.3 -808716.9 58294.499
4 80.103613 -812988.58 -808862.81 58371.548
5 125.26228 -815500.68 -809049 58469.872
6 180.4316 -818571.56 -809278.36 58588.936
7 245.47913 -822200.73 -809557.22 58728.144
8 320.17692 -826387.19 -809896.34 58886.879
9 404.17073 -831129.38 -810312.4 59064.554
10 497.02486 -836425.06 -810825.59 59260.717
Loop time of 6.13793 on 1 procs for 10 steps with 17280 atoms
Performance: 0.028 ns/day, 852.491 hours/ns, 1.629 timesteps/s, 28.153 katom-step/s
99.8% CPU use with 1 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 5.1752 | 5.1752 | 5.1752 | 0.0 | 84.31
Neigh | 0.039453 | 0.039453 | 0.039453 | 0.0 | 0.64
Comm | 0.00042596 | 0.00042596 | 0.00042596 | 0.0 | 0.01
Output | 0.00064013 | 0.00064013 | 0.00064013 | 0.0 | 0.01
Modify | 0.92205 | 0.92205 | 0.92205 | 0.0 | 15.02
Other | | 0.0002045 | | | 0.00
Nlocal: 17280 ave 17280 max 17280 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 5352 ave 5352 max 5352 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 2.62136e+06 ave 2.62136e+06 max 2.62136e+06 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 2621360
Ave neighs/atom = 151.69907
Neighbor list builds = 1
Dangerous builds not checked
unfix 1
fix 1 all nvt temp 100.0 100.0 100.0
thermo_style custom step temp epair etotal press
timestep 0.2
#dump 5 all xyz 5000 dumpnvt.xyz
#dump 6 all custom 5000 dumpidtype.dat id type x y z
run 10
Per MPI rank memory allocation (min/avg/max) = 386.9 | 386.9 | 386.9 Mbytes
Step Temp E_pair TotEng Press
10 497.02486 -836425.06 -810825.59 59260.717
11 601.6514 -841814.09 -810825.78 59489.425
12 716.37597 -847724.6 -810827.35 59738.298
13 841.27959 -854161.62 -810831.16 60008.164
14 976.4666 -861131.68 -810838.36 60300.364
15 1122.0668 -868642.96 -810850.45 60616.793
16 1278.2373 -876705.43 -810869.28 60959.942
17 1445.1655 -885331.03 -810897.18 61332.932
18 1623.072 -894533.91 -810936.92 61739.541
19 1812.1864 -904337.86 -811000.45 62200.561
20 2011.5898 -915379.05 -811771.28 63361.15
Loop time of 6.11372 on 1 procs for 10 steps with 17280 atoms
Performance: 0.028 ns/day, 849.127 hours/ns, 1.636 timesteps/s, 28.264 katom-step/s
99.8% CPU use with 1 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 5.0783 | 5.0783 | 5.0783 | 0.0 | 83.06
Neigh | 0.03596 | 0.03596 | 0.03596 | 0.0 | 0.59
Comm | 0.00041578 | 0.00041578 | 0.00041578 | 0.0 | 0.01
Output | 0.00062133 | 0.00062133 | 0.00062133 | 0.0 | 0.01
Modify | 0.99825 | 0.99825 | 0.99825 | 0.0 | 16.33
Other | | 0.0002171 | | | 0.00
Nlocal: 17280 ave 17280 max 17280 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 5352 ave 5352 max 5352 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 2.62136e+06 ave 2.62136e+06 max 2.62136e+06 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 2621360
Ave neighs/atom = 151.69907
Neighbor list builds = 1
Dangerous builds not checked
Total wall time: 0:00:13

View File

@ -0,0 +1,172 @@
LAMMPS (21 Nov 2023)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
# REAX potential for Nitroamines system
# .....
dimension 3
boundary p p p
units real
atom_style charge
read_data data.FC
Reading data file ...
orthogonal box = (-82.62 -79.5011 -50) to (82.62 79.5011 50)
2 by 2 by 1 MPI processor grid
reading atoms ...
17280 atoms
read_data CPU = 0.030 seconds
pair_style reaxff NULL
pair_coeff * * ffield.reax.FC C F
Reading potential file ffield.reax.FC with DATE: 2013-06-28
WARNING: Changed valency_val to valency_boc for X (src/REAXFF/reaxff_ffield.cpp:289)
neighbor 2. bin
neigh_modify every 10 delay 0 check no
fix 2 all qeq/reax 1 0.0 10.0 1e-6 reaxff
# should equilibrate much longer in practice
fix 1 all npt temp 100.0 100.0 10.0 iso 1.0 1. 2000.0
timestep 0.2
thermo_style custom step temp epair etotal press
thermo 1
dump 4 all xyz 5000 dumpnpt.xyz
run 10
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Your simulation uses code contributions which should be cited:
- pair reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
number = {4--5},
pages = {245--259}
}
- fix qeq/reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
pages = {245--259}
}
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Neighbor list info ...
update: every = 10 steps, delay = 0 steps, check = no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 12
ghost atom cutoff = 12
binsize = 6, bins = 28 27 17
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reaxff, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: full/ghost/bin/3d
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 121.6 | 121.6 | 121.6 Mbytes
Step Temp E_pair TotEng Press
0 0 -808525.04 -808525.04 58194.694
1 4.9935726 -808803.88 -808546.69 58205.825
2 19.98696 -809640.53 -808611.1 58239.155
3 45.012616 -811035.3 -808716.9 58294.499
4 80.103613 -812988.58 -808862.81 58371.548
5 125.26228 -815500.68 -809049 58469.872
6 180.4316 -818571.56 -809278.36 58588.936
7 245.47913 -822200.73 -809557.22 58728.144
8 320.17692 -826387.19 -809896.34 58886.879
9 404.17073 -831129.38 -810312.4 59064.554
10 497.02486 -836425.06 -810825.59 59260.717
Loop time of 1.75962 on 4 procs for 10 steps with 17280 atoms
Performance: 0.098 ns/day, 244.392 hours/ns, 5.683 timesteps/s, 98.203 katom-step/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 | 1.402 | 1.4417 | 1.4815 | 3.0 | 81.93
Neigh | 0.012815 | 0.013047 | 0.01323 | 0.2 | 0.74
Comm | 0.0006609 | 0.040482 | 0.080149 | 17.9 | 2.30
Output | 0.00028041 | 0.00029538 | 0.00033093 | 0.0 | 0.02
Modify | 0.26389 | 0.26407 | 0.26425 | 0.0 | 15.01
Other | | 7.451e-05 | | | 0.00
Nlocal: 4320 ave 4320 max 4320 min
Histogram: 4 0 0 0 0 0 0 0 0 0
Nghost: 2856 ave 2856 max 2856 min
Histogram: 4 0 0 0 0 0 0 0 0 0
Neighs: 691892 ave 691892 max 691892 min
Histogram: 4 0 0 0 0 0 0 0 0 0
Total # of neighbors = 2767568
Ave neighs/atom = 160.16019
Neighbor list builds = 1
Dangerous builds not checked
unfix 1
fix 1 all nvt temp 100.0 100.0 100.0
thermo_style custom step temp epair etotal press
timestep 0.2
#dump 5 all xyz 5000 dumpnvt.xyz
#dump 6 all custom 5000 dumpidtype.dat id type x y z
run 10
Per MPI rank memory allocation (min/avg/max) = 123 | 123 | 123 Mbytes
Step Temp E_pair TotEng Press
10 497.02486 -836425.06 -810825.59 59260.717
11 601.6514 -841814.09 -810825.78 59489.425
12 716.37597 -847724.6 -810827.35 59738.298
13 841.27959 -854161.62 -810831.16 60008.164
14 976.4666 -861131.68 -810838.36 60300.364
15 1122.0668 -868642.96 -810850.45 60616.793
16 1278.2373 -876705.43 -810869.28 60959.942
17 1445.1655 -885331.03 -810897.18 61332.932
18 1623.072 -894533.91 -810936.92 61739.541
19 1812.1864 -904337.86 -811000.45 62200.561
20 2011.5898 -915379.05 -811771.28 63361.15
Loop time of 1.8322 on 4 procs for 10 steps with 17280 atoms
Performance: 0.094 ns/day, 254.473 hours/ns, 5.458 timesteps/s, 94.313 katom-step/s
99.5% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 1.3846 | 1.4468 | 1.524 | 4.2 | 78.96
Neigh | 0.012048 | 0.012239 | 0.012522 | 0.2 | 0.67
Comm | 0.00082283 | 0.07804 | 0.14024 | 17.9 | 4.26
Output | 0.00029695 | 0.00031243 | 0.00035323 | 0.0 | 0.02
Modify | 0.29449 | 0.29478 | 0.29497 | 0.0 | 16.09
Other | | 7.342e-05 | | | 0.00
Nlocal: 4320 ave 4320 max 4320 min
Histogram: 4 0 0 0 0 0 0 0 0 0
Nghost: 2856 ave 2856 max 2856 min
Histogram: 4 0 0 0 0 0 0 0 0 0
Neighs: 691892 ave 691892 max 691892 min
Histogram: 4 0 0 0 0 0 0 0 0 0
Total # of neighbors = 2767568
Ave neighs/atom = 160.16019
Neighbor list builds = 1
Dangerous builds not checked
Total wall time: 0:00:04

View File

@ -1,141 +0,0 @@
LAMMPS (8 Mar 2018)
using 1 OpenMP thread(s) per MPI task
# REAX potential for Nitroamines system
# .....
dimension 3
boundary p p p
units real
atom_style charge
read_data data.FC
orthogonal box = (-82.62 -79.5011 -50) to (82.62 79.5011 50)
1 by 1 by 1 MPI processor grid
reading atoms ...
17280 atoms
pair_style reax/c NULL
pair_coeff * * ffield.reax.FC C F
Reading potential file ffield.reax.FC with DATE: 2013-06-28
neighbor 2. bin
neigh_modify every 10 delay 0 check no
fix 2 all qeq/reax 1 0.0 10.0 1e-6 reax/c
# should equilibrate much longer in practice
fix 1 all npt temp 100.0 100.0 10.0 iso 1.0 1. 2000.0
timestep 0.2
thermo_style custom step temp epair etotal press
thermo 1
dump 4 all xyz 5000 dumpnpt.xyz
run 10
Neighbor list info ...
update every 10 steps, delay 0 steps, check no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 12
ghost atom cutoff = 12
binsize = 6, bins = 28 27 17
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reax/c, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: half/ghost/bin/3d/newtoff
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off, ghost
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 470 | 470 | 470 Mbytes
Step Temp E_pair TotEng Press
0 0 -808525.04 -808525.04 58194.694
1 4.9935726 -808803.89 -808546.69 58205.825
2 19.98696 -809640.54 -808611.1 58239.155
3 45.012616 -811035.31 -808716.91 58294.499
4 80.103613 -812988.6 -808862.83 58371.547
5 125.26228 -815500.71 -809049.03 58469.871
6 180.4316 -818571.61 -809278.4 58588.935
7 245.47913 -822200.79 -809557.28 58728.142
8 320.17692 -826387.27 -809896.43 58886.877
9 404.17073 -831129.48 -810312.5 59064.551
10 497.02486 -836425.19 -810825.72 59260.714
Loop time of 21.5054 on 1 procs for 10 steps with 17280 atoms
Performance: 0.008 ns/day, 2986.857 hours/ns, 0.465 timesteps/s
98.8% CPU use with 1 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 19.008 | 19.008 | 19.008 | 0.0 | 88.39
Neigh | 0.084401 | 0.084401 | 0.084401 | 0.0 | 0.39
Comm | 0.00080419 | 0.00080419 | 0.00080419 | 0.0 | 0.00
Output | 0.00095367 | 0.00095367 | 0.00095367 | 0.0 | 0.00
Modify | 2.4109 | 2.4109 | 2.4109 | 0.0 | 11.21
Other | | 0.0004592 | | | 0.00
Nlocal: 17280 ave 17280 max 17280 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 5352 ave 5352 max 5352 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 2.62136e+06 ave 2.62136e+06 max 2.62136e+06 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 2621360
Ave neighs/atom = 151.699
Neighbor list builds = 1
Dangerous builds not checked
unfix 1
fix 1 all nvt temp 100.0 100.0 100.0
thermo_style custom step temp epair etotal press
timestep 0.2
#dump 5 all xyz 5000 dumpnvt.xyz
#dump 6 all custom 5000 dumpidtype.dat id type x y z
run 10
Per MPI rank memory allocation (min/avg/max) = 470 | 470 | 470 Mbytes
Step Temp E_pair TotEng Press
10 497.02486 -836425.19 -810825.72 59260.714
11 601.65141 -841814.22 -810825.91 59489.422
12 716.37599 -847724.72 -810827.48 59738.295
13 841.27961 -854161.75 -810831.29 60008.162
14 976.46663 -861131.81 -810838.49 60300.362
15 1122.0668 -868643.09 -810850.57 60616.791
16 1278.2373 -876705.56 -810869.41 60959.94
17 1445.1655 -885331.16 -810897.31 61332.931
18 1623.072 -894534.04 -810937.04 61739.541
19 1812.1865 -904337.99 -811000.57 62200.561
20 2011.5899 -915379.19 -811771.41 63361.151
Loop time of 21.362 on 1 procs for 10 steps with 17280 atoms
Performance: 0.008 ns/day, 2966.945 hours/ns, 0.468 timesteps/s
98.9% CPU use with 1 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 18.793 | 18.793 | 18.793 | 0.0 | 87.97
Neigh | 0.077047 | 0.077047 | 0.077047 | 0.0 | 0.36
Comm | 0.00080276 | 0.00080276 | 0.00080276 | 0.0 | 0.00
Output | 0.0010097 | 0.0010097 | 0.0010097 | 0.0 | 0.00
Modify | 2.4897 | 2.4897 | 2.4897 | 0.0 | 11.65
Other | | 0.0004568 | | | 0.00
Nlocal: 17280 ave 17280 max 17280 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 5352 ave 5352 max 5352 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 2.62136e+06 ave 2.62136e+06 max 2.62136e+06 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 2621360
Ave neighs/atom = 151.699
Neighbor list builds = 1
Dangerous builds not checked
Please see the log.cite file for references relevant to this simulation
Total wall time: 0:00:47

View File

@ -1,141 +0,0 @@
LAMMPS (8 Mar 2018)
using 1 OpenMP thread(s) per MPI task
# REAX potential for Nitroamines system
# .....
dimension 3
boundary p p p
units real
atom_style charge
read_data data.FC
orthogonal box = (-82.62 -79.5011 -50) to (82.62 79.5011 50)
2 by 2 by 1 MPI processor grid
reading atoms ...
17280 atoms
pair_style reax/c NULL
pair_coeff * * ffield.reax.FC C F
Reading potential file ffield.reax.FC with DATE: 2013-06-28
neighbor 2. bin
neigh_modify every 10 delay 0 check no
fix 2 all qeq/reax 1 0.0 10.0 1e-6 reax/c
# should equilibrate much longer in practice
fix 1 all npt temp 100.0 100.0 10.0 iso 1.0 1. 2000.0
timestep 0.2
thermo_style custom step temp epair etotal press
thermo 1
dump 4 all xyz 5000 dumpnpt.xyz
run 10
Neighbor list info ...
update every 10 steps, delay 0 steps, check no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 12
ghost atom cutoff = 12
binsize = 6, bins = 28 27 17
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reax/c, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: half/ghost/bin/3d/newtoff
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off, ghost
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 149.3 | 149.3 | 149.3 Mbytes
Step Temp E_pair TotEng Press
0 0 -808525.04 -808525.04 58194.694
1 4.9935726 -808803.89 -808546.69 58205.825
2 19.98696 -809640.54 -808611.1 58239.155
3 45.012616 -811035.31 -808716.91 58294.499
4 80.103613 -812988.6 -808862.83 58371.547
5 125.26228 -815500.71 -809049.03 58469.871
6 180.4316 -818571.61 -809278.4 58588.935
7 245.47913 -822200.79 -809557.28 58728.142
8 320.17692 -826387.27 -809896.43 58886.877
9 404.17073 -831129.48 -810312.5 59064.551
10 497.02486 -836425.19 -810825.72 59260.714
Loop time of 6.02109 on 4 procs for 10 steps with 17280 atoms
Performance: 0.029 ns/day, 836.262 hours/ns, 1.661 timesteps/s
99.0% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 4.9482 | 5.1186 | 5.3113 | 7.4 | 85.01
Neigh | 0.024811 | 0.025702 | 0.027556 | 0.7 | 0.43
Comm | 0.0027421 | 0.19541 | 0.36565 | 38.1 | 3.25
Output | 0.00053239 | 0.00057119 | 0.00067186 | 0.0 | 0.01
Modify | 0.67876 | 0.68059 | 0.68165 | 0.1 | 11.30
Other | | 0.0001779 | | | 0.00
Nlocal: 4320 ave 4320 max 4320 min
Histogram: 4 0 0 0 0 0 0 0 0 0
Nghost: 2856 ave 2856 max 2856 min
Histogram: 4 0 0 0 0 0 0 0 0 0
Neighs: 691892 ave 691892 max 691892 min
Histogram: 4 0 0 0 0 0 0 0 0 0
Total # of neighbors = 2767568
Ave neighs/atom = 160.16
Neighbor list builds = 1
Dangerous builds not checked
unfix 1
fix 1 all nvt temp 100.0 100.0 100.0
thermo_style custom step temp epair etotal press
timestep 0.2
#dump 5 all xyz 5000 dumpnvt.xyz
#dump 6 all custom 5000 dumpidtype.dat id type x y z
run 10
Per MPI rank memory allocation (min/avg/max) = 149.3 | 149.3 | 149.3 Mbytes
Step Temp E_pair TotEng Press
10 497.02486 -836425.19 -810825.72 59260.714
11 601.65141 -841814.22 -810825.91 59489.422
12 716.37599 -847724.72 -810827.48 59738.295
13 841.27961 -854161.75 -810831.29 60008.162
14 976.46663 -861131.81 -810838.49 60300.362
15 1122.0668 -868643.09 -810850.57 60616.791
16 1278.2373 -876705.56 -810869.41 60959.94
17 1445.1655 -885331.16 -810897.31 61332.931
18 1623.072 -894534.04 -810937.04 61739.541
19 1812.1865 -904337.99 -811000.57 62200.561
20 2011.5899 -915379.19 -811771.41 63361.151
Loop time of 6.08805 on 4 procs for 10 steps with 17280 atoms
Performance: 0.028 ns/day, 845.563 hours/ns, 1.643 timesteps/s
99.2% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 4.9124 | 5.1008 | 5.3405 | 8.3 | 83.78
Neigh | 0.023652 | 0.024473 | 0.025996 | 0.6 | 0.40
Comm | 0.0020971 | 0.24171 | 0.43023 | 38.0 | 3.97
Output | 0.00056076 | 0.00060701 | 0.00072312 | 0.0 | 0.01
Modify | 0.71869 | 0.72023 | 0.72107 | 0.1 | 11.83
Other | | 0.0001827 | | | 0.00
Nlocal: 4320 ave 4320 max 4320 min
Histogram: 4 0 0 0 0 0 0 0 0 0
Nghost: 2856 ave 2856 max 2856 min
Histogram: 4 0 0 0 0 0 0 0 0 0
Neighs: 691892 ave 691892 max 691892 min
Histogram: 4 0 0 0 0 0 0 0 0 0
Total # of neighbors = 2767568
Ave neighs/atom = 160.16
Neighbor list builds = 1
Dangerous builds not checked
Please see the log.cite file for references relevant to this simulation
Total wall time: 0:00:13

View File

@ -6,7 +6,7 @@ units real
atom_style charge atom_style charge
read_data data.FeOH3 read_data data.FeOH3
pair_style reax/c lmp_control pair_style reaxff lmp_control
pair_coeff * * ffield.reax.Fe_O_C_H H O Fe pair_coeff * * ffield.reax.Fe_O_C_H H O Fe
neighbor 2 bin neighbor 2 bin
@ -17,6 +17,7 @@ fix 2 all qeq/reax 1 0.0 10.0 1e-6 param.qeq
fix 3 all temp/berendsen 500.0 500.0 100.0 fix 3 all temp/berendsen 500.0 500.0 100.0
timestep 0.25 timestep 0.25
thermo 100
#dump 1 all atom 30 dump.reax.feoh #dump 1 all atom 30 dump.reax.feoh

View File

@ -1,17 +1,7 @@
simulation_name FeOH3_example ! output files will carry this name + their specific ext
tabulate_long_range 10000 ! denotes the granularity of long range tabulation, 0 means no tabulation tabulate_long_range 10000 ! denotes the granularity of long range tabulation, 0 means no tabulation
energy_update_freq 1
nbrhood_cutoff 4.5 ! near neighbors cutoff for bond calculations in A nbrhood_cutoff 4.5 ! near neighbors cutoff for bond calculations in A
hbond_cutoff 6.0 ! cutoff distance for hydrogen bond interactions hbond_cutoff 6.0 ! cutoff distance for hydrogen bond interactions
bond_graph_cutoff 0.3 ! bond strength cutoff for bond graphs bond_graph_cutoff 0.3 ! bond strength cutoff for bond graphs
thb_cutoff 0.001 ! cutoff value for three body interactions thb_cutoff 0.001 ! cutoff value for three body interactions
write_freq 1 ! write trajectory after so many steps
traj_title Fe_OH3 ! (no white spaces)
atom_info 1 ! 0: no atom info, 1: print basic atom info in the trajectory file
atom_forces 1 ! 0: basic atom format, 1: print force on each atom in the trajectory file
atom_velocities 0 ! 0: basic atom format, 1: print the velocity of each atom in the trajectory file
bond_info 1 ! 0: do not print bonds, 1: print bonds in the trajectory file
angle_info 1 ! 0: do not print angles, 1: print angles in the trajectory file

View File

@ -0,0 +1,141 @@
LAMMPS (21 Nov 2023)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
# REAX potential for Fe/O/H system
# .....
units real
atom_style charge
read_data data.FeOH3
Reading data file ...
orthogonal box = (0 0 0) to (25 25 25)
1 by 1 by 1 MPI processor grid
reading atoms ...
105 atoms
read_data CPU = 0.000 seconds
pair_style reaxff lmp_control
pair_coeff * * ffield.reax.Fe_O_C_H H O Fe
Reading potential file ffield.reax.Fe_O_C_H with DATE: 2011-02-18
neighbor 2 bin
neigh_modify every 10 delay 0 check no
fix 1 all nve
fix 2 all qeq/reax 1 0.0 10.0 1e-6 param.qeq
fix 3 all temp/berendsen 500.0 500.0 100.0
timestep 0.25
thermo 100
#dump 1 all atom 30 dump.reax.feoh
run 3000
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Your simulation uses code contributions which should be cited:
- pair reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
number = {4--5},
pages = {245--259}
}
- fix qeq/reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
pages = {245--259}
}
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Neighbor list info ...
update: every = 10 steps, delay = 0 steps, check = no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 12
ghost atom cutoff = 12
binsize = 6, bins = 5 5 5
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reaxff, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: full/ghost/bin/3d
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 15.99 | 15.99 | 15.99 Mbytes
Step Temp E_pair E_mol TotEng Press
0 0 -9715.3326 0 -9715.3326 -139.61126
100 127.38829 -9720.5854 0 -9681.0945 -933.74373
200 141.21008 -9696.3143 0 -9652.5386 -831.74241
300 176.81083 -9681.3376 0 -9626.5255 -520.30966
400 220.75236 -9672.6196 0 -9604.1854 -388.85436
500 301.29415 -9678.8463 0 -9585.4438 -545.22735
600 320.36877 -9670.3054 0 -9570.9897 -609.44044
700 414.53699 -9688.649 0 -9560.1408 -259.51791
800 391.93073 -9675.1212 0 -9553.621 77.352757
900 413.52476 -9673.7372 0 -9545.5428 369.71918
1000 382.03337 -9656.3848 0 -9537.9528 236.61186
1100 381.68223 -9647.4372 0 -9529.1141 -432.67374
1200 470.68889 -9671.5116 0 -9525.596 448.90781
1300 436.34973 -9659.2277 0 -9523.9574 188.12079
1400 422.25034 -9651.2639 0 -9520.3645 48.988693
1500 363.49223 -9625.6588 0 -9512.9746 -977.83513
1600 450.39155 -9646.4742 0 -9506.8509 44.80204
1700 461.44884 -9648.1215 0 -9505.0704 -29.381385
1800 457.01538 -9644.6842 0 -9503.0075 -29.157643
1900 461.56497 -9642.8457 0 -9499.7586 -608.58801
2000 491.20199 -9648.6637 0 -9496.389 -99.409356
2100 461.60295 -9636.4878 0 -9493.3889 753.00956
2200 480.92601 -9640.304 0 -9491.2149 -176.4371
2300 450.00958 -9627.8875 0 -9488.3826 -210.21397
2400 475.97134 -9634.1577 0 -9486.6046 -364.46797
2500 478.0174 -9631.5069 0 -9483.3194 557.79107
2600 500.26141 -9636.8606 0 -9481.7774 115.84535
2700 455.06433 -9620.0151 0 -9478.9433 -963.22
2800 441.50799 -9612.6546 0 -9475.7852 -177.60856
2900 471.67031 -9618.9817 0 -9472.7619 -294.38595
3000 526.94336 -9635.8664 0 -9472.5117 119.05777
Loop time of 2.33387 on 1 procs for 3000 steps with 105 atoms
Performance: 27.765 ns/day, 0.864 hours/ns, 1285.420 timesteps/s, 134.969 katom-step/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 | 1.8409 | 1.8409 | 1.8409 | 0.0 | 78.88
Neigh | 0.15998 | 0.15998 | 0.15998 | 0.0 | 6.85
Comm | 0.0090909 | 0.0090909 | 0.0090909 | 0.0 | 0.39
Output | 0.00069968 | 0.00069968 | 0.00069968 | 0.0 | 0.03
Modify | 0.32099 | 0.32099 | 0.32099 | 0.0 | 13.75
Other | | 0.002244 | | | 0.10
Nlocal: 105 ave 105 max 105 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 651 ave 651 max 651 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 3388 ave 3388 max 3388 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 3388
Ave neighs/atom = 32.266667
Neighbor list builds = 300
Dangerous builds not checked
Total wall time: 0:00:02

View File

@ -0,0 +1,141 @@
LAMMPS (21 Nov 2023)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
# REAX potential for Fe/O/H system
# .....
units real
atom_style charge
read_data data.FeOH3
Reading data file ...
orthogonal box = (0 0 0) to (25 25 25)
1 by 2 by 2 MPI processor grid
reading atoms ...
105 atoms
read_data CPU = 0.001 seconds
pair_style reaxff lmp_control
pair_coeff * * ffield.reax.Fe_O_C_H H O Fe
Reading potential file ffield.reax.Fe_O_C_H with DATE: 2011-02-18
neighbor 2 bin
neigh_modify every 10 delay 0 check no
fix 1 all nve
fix 2 all qeq/reax 1 0.0 10.0 1e-6 param.qeq
fix 3 all temp/berendsen 500.0 500.0 100.0
timestep 0.25
thermo 100
#dump 1 all atom 30 dump.reax.feoh
run 3000
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Your simulation uses code contributions which should be cited:
- pair reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
number = {4--5},
pages = {245--259}
}
- fix qeq/reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
pages = {245--259}
}
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Neighbor list info ...
update: every = 10 steps, delay = 0 steps, check = no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 12
ghost atom cutoff = 12
binsize = 6, bins = 5 5 5
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reaxff, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: full/ghost/bin/3d
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 10.56 | 11.55 | 12.17 Mbytes
Step Temp E_pair E_mol TotEng Press
0 0 -9715.3326 0 -9715.3326 -139.61126
100 127.3884 -9720.5854 0 -9681.0945 -933.74975
200 141.21023 -9696.3143 0 -9652.5385 -831.74859
300 176.81092 -9681.3376 0 -9626.5254 -520.29734
400 220.75237 -9672.6195 0 -9604.1853 -388.89122
500 301.29434 -9678.8461 0 -9585.4436 -545.24883
600 320.36921 -9670.3055 0 -9570.9897 -609.45071
700 414.5366 -9688.649 0 -9560.1409 -259.54271
800 391.93079 -9675.1212 0 -9553.621 77.314405
900 413.52641 -9673.738 0 -9545.5431 369.67477
1000 382.02987 -9656.384 0 -9537.9531 236.57634
1100 381.6811 -9647.4372 0 -9529.1144 -432.72725
1200 470.68578 -9671.511 0 -9525.5964 448.88885
1300 436.3616 -9659.2312 0 -9523.9573 188.07625
1400 422.26867 -9651.2709 0 -9520.3658 48.829055
1500 363.49419 -9625.6611 0 -9512.9764 -977.70396
1600 450.39497 -9646.4762 0 -9506.8518 45.000339
1700 461.44368 -9648.121 0 -9505.0715 -29.332359
1800 457.02327 -9644.687 0 -9503.0078 -29.48478
1900 461.60004 -9642.8571 0 -9499.7592 -608.0786
2000 491.19069 -9648.6599 0 -9496.3887 -99.479995
2100 461.50901 -9636.4581 0 -9493.3884 752.86874
2200 480.7646 -9640.2431 0 -9491.204 -175.99562
2300 450.00669 -9627.875 0 -9488.3711 -209.83065
2400 475.84946 -9634.1191 0 -9486.6038 -366.65233
2500 477.75601 -9631.4196 0 -9483.3132 558.18557
2600 500.64305 -9636.9676 0 -9481.7661 111.76394
2700 455.78826 -9620.2513 0 -9478.955 -962.65771
2800 438.72349 -9611.8395 0 -9475.8334 -180.94976
2900 471.33135 -9618.8641 0 -9472.7494 -291.14764
3000 528.64651 -9636.4232 0 -9472.5405 111.18605
Loop time of 1.42723 on 4 procs for 3000 steps with 105 atoms
Performance: 45.403 ns/day, 0.529 hours/ns, 2101.973 timesteps/s, 220.707 katom-step/s
99.2% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.79715 | 0.88663 | 0.96735 | 7.5 | 62.12
Neigh | 0.083068 | 0.096787 | 0.10679 | 2.8 | 6.78
Comm | 0.058539 | 0.13831 | 0.22776 | 19.0 | 9.69
Output | 0.0006518 | 0.00071197 | 0.00088964 | 0.0 | 0.05
Modify | 0.29308 | 0.30291 | 0.31706 | 1.6 | 21.22
Other | | 0.001886 | | | 0.13
Nlocal: 26.25 ave 34 max 12 min
Histogram: 1 0 0 0 0 0 0 1 1 1
Nghost: 408 ave 462 max 347 min
Histogram: 1 0 0 0 1 0 1 0 0 1
Neighs: 1109 ave 1419 max 453 min
Histogram: 1 0 0 0 0 0 0 1 0 2
Total # of neighbors = 4436
Ave neighs/atom = 42.247619
Neighbor list builds = 300
Dangerous builds not checked
Total wall time: 0:00:01

View File

@ -1,70 +0,0 @@
LAMMPS (5 Oct 2016)
# REAX potential for Fe/O/H system
# .....
units real
atom_style charge
read_data data.FeOH3
orthogonal box = (0 0 0) to (25 25 25)
1 by 1 by 1 MPI processor grid
reading atoms ...
105 atoms
pair_style reax/c lmp_control
pair_coeff * * ffield.reax.Fe_O_C_H H O Fe
Reading potential file ffield.reax.Fe_O_C_H with DATE: 2011-02-18
neighbor 2 bin
neigh_modify every 10 delay 0 check no
fix 1 all nve
fix 2 all qeq/reax 1 0.0 10.0 1e-6 param.qeq
fix 3 all temp/berendsen 500.0 500.0 100.0
timestep 0.25
#dump 1 all atom 30 dump.reax.feoh
run 3000
Neighbor list info ...
2 neighbor list requests
update every 10 steps, delay 0 steps, check no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 12
ghost atom cutoff = 12
binsize = 6 -> bins = 5 5 5
Memory usage per processor = 17.7294 Mbytes
Step Temp E_pair E_mol TotEng Press
0 0 -9715.3326 0 -9715.3326 -139.61126
3000 529.72301 -9636.7144 0 -9472.498 127.52152
Loop time of 8.40814 on 1 procs for 3000 steps with 105 atoms
Performance: 7.707 ns/day, 3.114 hours/ns, 356.797 timesteps/s
99.2% CPU use with 1 MPI tasks x no OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 7.3193 | 7.3193 | 7.3193 | 0.0 | 87.05
Neigh | 0.29032 | 0.29032 | 0.29032 | 0.0 | 3.45
Comm | 0.016032 | 0.016032 | 0.016032 | 0.0 | 0.19
Output | 1.2159e-05 | 1.2159e-05 | 1.2159e-05 | 0.0 | 0.00
Modify | 0.77846 | 0.77846 | 0.77846 | 0.0 | 9.26
Other | | 0.004053 | | | 0.05
Nlocal: 105 ave 105 max 105 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 651 ave 651 max 651 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 3389 ave 3389 max 3389 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 3389
Ave neighs/atom = 32.2762
Neighbor list builds = 300
Dangerous builds not checked
Please see the log.cite file for references relevant to this simulation
Total wall time: 0:00:08

View File

@ -1,70 +0,0 @@
LAMMPS (5 Oct 2016)
# REAX potential for Fe/O/H system
# .....
units real
atom_style charge
read_data data.FeOH3
orthogonal box = (0 0 0) to (25 25 25)
1 by 2 by 2 MPI processor grid
reading atoms ...
105 atoms
pair_style reax/c lmp_control
pair_coeff * * ffield.reax.Fe_O_C_H H O Fe
Reading potential file ffield.reax.Fe_O_C_H with DATE: 2011-02-18
neighbor 2 bin
neigh_modify every 10 delay 0 check no
fix 1 all nve
fix 2 all qeq/reax 1 0.0 10.0 1e-6 param.qeq
fix 3 all temp/berendsen 500.0 500.0 100.0
timestep 0.25
#dump 1 all atom 30 dump.reax.feoh
run 3000
Neighbor list info ...
2 neighbor list requests
update every 10 steps, delay 0 steps, check no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 12
ghost atom cutoff = 12
binsize = 6 -> bins = 5 5 5
Memory usage per processor = 12.3695 Mbytes
Step Temp E_pair E_mol TotEng Press
0 0 -9715.3326 0 -9715.3326 -139.61126
3000 534.48882 -9638.0405 0 -9472.3467 127.47989
Loop time of 4.78344 on 4 procs for 3000 steps with 105 atoms
Performance: 13.547 ns/day, 1.772 hours/ns, 627.164 timesteps/s
99.0% CPU use with 4 MPI tasks x no OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 3.7061 | 3.7503 | 3.7853 | 1.5 | 78.40
Neigh | 0.14361 | 0.16388 | 0.18297 | 3.4 | 3.43
Comm | 0.062001 | 0.098492 | 0.14111 | 9.0 | 2.06
Output | 2.0981e-05 | 2.2948e-05 | 2.7895e-05 | 0.1 | 0.00
Modify | 0.75012 | 0.76764 | 0.78678 | 1.5 | 16.05
Other | | 0.003105 | | | 0.06
Nlocal: 26.25 ave 35 max 12 min
Histogram: 1 0 0 0 0 0 0 2 0 1
Nghost: 408 ave 462 max 348 min
Histogram: 1 0 0 0 1 0 1 0 0 1
Neighs: 1107 ave 1428 max 453 min
Histogram: 1 0 0 0 0 0 0 1 0 2
Total # of neighbors = 4428
Ave neighs/atom = 42.1714
Neighbor list builds = 300
Dangerous builds not checked
Please see the log.cite file for references relevant to this simulation
Total wall time: 0:00:05

View File

@ -12,16 +12,15 @@ atom_style charge
atom_modify sort 100 0.0 # optional atom_modify sort 100 0.0 # optional
dimension 3 dimension 3
boundary p p p boundary p p p
box tilt large
read_data data.hns-equil read_data data.hns-equil
replicate $x $y $z bbox replicate $x $y $z bbox
pair_style reax/c NULL pair_style reaxff NULL
pair_coeff * * ffield.reax.hns C H O N pair_coeff * * ffield.reax.hns C H O N
compute reax all pair reax/c compute reax all pair reaxff
neighbor 1.0 bin neighbor 1.0 bin
neigh_modify every 20 delay 0 check no neigh_modify every 20 delay 0 check no
@ -35,6 +34,6 @@ thermo 10
velocity all create 300.0 41279 loop geom velocity all create 300.0 41279 loop geom
fix 1 all nve fix 1 all nve
fix 2 all qeq/reax 1 0.0 10.0 1e-6 reax/c fix 2 all qeq/reax 1 0.0 10.0 1e-6 reaxff
run $t run $t

View File

@ -0,0 +1,149 @@
LAMMPS (21 Nov 2023)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
# Pure HNS crystal, ReaxFF tests for benchmarking LAMMPS
# See README for more info
variable x index 2
variable y index 2
variable z index 2
variable t index 100
units real
atom_style charge
atom_modify sort 100 0.0 # optional
dimension 3
boundary p p p
read_data data.hns-equil
Reading data file ...
triclinic box = (0 0 0) to (22.326 11.1412 13.778966) with tilt (0 -5.02603 0)
1 by 1 by 1 MPI processor grid
reading atoms ...
304 atoms
reading velocities ...
304 velocities
read_data CPU = 0.005 seconds
replicate $x $y $z bbox
replicate 2 $y $z bbox
replicate 2 2 $z bbox
replicate 2 2 2 bbox
Replication is creating a 2x2x2 = 8 times larger system...
triclinic box = (0 0 0) to (44.652 22.2824 27.557932) with tilt (0 -10.05206 0)
1 by 1 by 1 MPI processor grid
bounding box image = (0 -1 -1) to (0 1 1)
bounding box extra memory = 0.03 MB
average # of replicas added to proc = 8.00 out of 8 (100.00%)
2432 atoms
replicate CPU = 0.001 seconds
pair_style reaxff NULL
pair_coeff * * ffield.reax.hns C H O N
compute reax all pair reaxff
neighbor 1.0 bin
neigh_modify every 20 delay 0 check no
timestep 0.1
thermo_style custom step temp pe press evdwl ecoul vol
thermo_modify norm yes
thermo 10
velocity all create 300.0 41279 loop geom
fix 1 all nve
fix 2 all qeq/reax 1 0.0 10.0 1e-6 reaxff
run $t
run 100
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Your simulation uses code contributions which should be cited:
- pair reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
number = {4--5},
pages = {245--259}
}
- fix qeq/reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
pages = {245--259}
}
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Neighbor list info ...
update: every = 20 steps, delay = 0 steps, check = no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 11
ghost atom cutoff = 11
binsize = 5.5, bins = 10 5 6
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reaxff, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: full/ghost/bin/3d
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 215 | 215 | 215 Mbytes
Step Temp PotEng Press E_vdwl E_coul Volume
0 300 -113.27833 437.52149 -111.57687 -1.7014647 27418.867
10 299.38517 -113.27631 1439.2564 -111.57492 -1.7013814 27418.867
20 300.27107 -113.27884 3764.4017 -111.57762 -1.7012246 27418.867
30 302.21064 -113.28428 7007.6558 -111.58335 -1.7009364 27418.867
40 303.52265 -113.28799 9844.8196 -111.58747 -1.7005186 27418.867
50 301.8706 -113.28324 9663.08 -111.58318 -1.7000523 27418.867
60 296.67808 -113.26777 7273.8875 -111.56815 -1.6996136 27418.867
70 292.19999 -113.25435 5533.625 -111.55514 -1.6992157 27418.867
80 293.58678 -113.25831 5993.4679 -111.55946 -1.6988532 27418.867
90 300.62637 -113.27925 7202.8453 -111.58069 -1.6985592 27418.867
100 305.38277 -113.29357 10085.747 -111.59518 -1.6983875 27418.867
Loop time of 17.6114 on 1 procs for 100 steps with 2432 atoms
Performance: 0.049 ns/day, 489.205 hours/ns, 5.678 timesteps/s, 13.809 katom-step/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 | 13.081 | 13.081 | 13.081 | 0.0 | 74.27
Neigh | 0.25469 | 0.25469 | 0.25469 | 0.0 | 1.45
Comm | 0.0061082 | 0.0061082 | 0.0061082 | 0.0 | 0.03
Output | 0.00035315 | 0.00035315 | 0.00035315 | 0.0 | 0.00
Modify | 4.2687 | 4.2687 | 4.2687 | 0.0 | 24.24
Other | | 0.0007784 | | | 0.00
Nlocal: 2432 ave 2432 max 2432 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 10685 ave 10685 max 10685 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 823958 ave 823958 max 823958 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 823958
Ave neighs/atom = 338.79852
Neighbor list builds = 5
Dangerous builds not checked
Total wall time: 0:00:17

View File

@ -0,0 +1,149 @@
LAMMPS (21 Nov 2023)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
# Pure HNS crystal, ReaxFF tests for benchmarking LAMMPS
# See README for more info
variable x index 2
variable y index 2
variable z index 2
variable t index 100
units real
atom_style charge
atom_modify sort 100 0.0 # optional
dimension 3
boundary p p p
read_data data.hns-equil
Reading data file ...
triclinic box = (0 0 0) to (22.326 11.1412 13.778966) with tilt (0 -5.02603 0)
2 by 1 by 2 MPI processor grid
reading atoms ...
304 atoms
reading velocities ...
304 velocities
read_data CPU = 0.003 seconds
replicate $x $y $z bbox
replicate 2 $y $z bbox
replicate 2 2 $z bbox
replicate 2 2 2 bbox
Replication is creating a 2x2x2 = 8 times larger system...
triclinic box = (0 0 0) to (44.652 22.2824 27.557932) with tilt (0 -10.05206 0)
2 by 1 by 2 MPI processor grid
bounding box image = (0 -1 -1) to (0 1 1)
bounding box extra memory = 0.03 MB
average # of replicas added to proc = 5.00 out of 8 (62.50%)
2432 atoms
replicate CPU = 0.000 seconds
pair_style reaxff NULL
pair_coeff * * ffield.reax.hns C H O N
compute reax all pair reaxff
neighbor 1.0 bin
neigh_modify every 20 delay 0 check no
timestep 0.1
thermo_style custom step temp pe press evdwl ecoul vol
thermo_modify norm yes
thermo 10
velocity all create 300.0 41279 loop geom
fix 1 all nve
fix 2 all qeq/reax 1 0.0 10.0 1e-6 reaxff
run $t
run 100
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Your simulation uses code contributions which should be cited:
- pair reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
number = {4--5},
pages = {245--259}
}
- fix qeq/reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
pages = {245--259}
}
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Neighbor list info ...
update: every = 20 steps, delay = 0 steps, check = no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 11
ghost atom cutoff = 11
binsize = 5.5, bins = 10 5 6
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reaxff, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: full/ghost/bin/3d
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 103.8 | 103.8 | 103.8 Mbytes
Step Temp PotEng Press E_vdwl E_coul Volume
0 300 -113.27833 437.52125 -111.57687 -1.7014647 27418.867
10 299.38517 -113.27631 1439.2564 -111.57492 -1.7013814 27418.867
20 300.27106 -113.27884 3764.3691 -111.57762 -1.7012246 27418.867
30 302.21062 -113.28428 7007.6981 -111.58335 -1.7009363 27418.867
40 303.52264 -113.28799 9844.8446 -111.58747 -1.7005186 27418.867
50 301.87059 -113.28324 9663.0539 -111.58318 -1.7000523 27418.867
60 296.67807 -113.26777 7273.8306 -111.56815 -1.6996136 27418.867
70 292.19997 -113.25435 5533.612 -111.55514 -1.6992157 27418.867
80 293.58675 -113.25831 5993.4344 -111.55946 -1.6988533 27418.867
90 300.62636 -113.27925 7202.8636 -111.58069 -1.6985591 27418.867
100 305.38278 -113.29357 10085.719 -111.59518 -1.6983876 27418.867
Loop time of 6.63333 on 4 procs for 100 steps with 2432 atoms
Performance: 0.130 ns/day, 184.259 hours/ns, 15.075 timesteps/s, 36.663 katom-step/s
99.3% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 4.1006 | 4.5745 | 5.0624 | 17.4 | 68.96
Neigh | 0.11589 | 0.11637 | 0.11669 | 0.1 | 1.75
Comm | 0.0077297 | 0.49567 | 0.96958 | 52.7 | 7.47
Output | 0.00027396 | 0.00031049 | 0.00038633 | 0.0 | 0.00
Modify | 1.4458 | 1.4461 | 1.4465 | 0.0 | 21.80
Other | | 0.0004201 | | | 0.01
Nlocal: 608 ave 612 max 604 min
Histogram: 1 0 0 0 0 2 0 0 0 1
Nghost: 5737.25 ave 5744 max 5732 min
Histogram: 1 0 1 0 0 1 0 0 0 1
Neighs: 231539 ave 233090 max 229970 min
Histogram: 1 0 0 0 1 1 0 0 0 1
Total # of neighbors = 926155
Ave neighs/atom = 380.82031
Neighbor list builds = 5
Dangerous builds not checked
Total wall time: 0:00:06

View File

@ -1,115 +0,0 @@
LAMMPS (8 Mar 2018)
using 1 OpenMP thread(s) per MPI task
# Pure HNS crystal, ReaxFF tests for benchmarking LAMMPS
# See README for more info
variable x index 2
variable y index 2
variable z index 2
variable t index 100
units real
atom_style charge
atom_modify sort 100 0.0 # optional
dimension 3
boundary p p p
box tilt large
read_data data.hns-equil
triclinic box = (0 0 0) to (22.326 11.1412 13.779) with tilt (0 -5.02603 0)
1 by 1 by 1 MPI processor grid
reading atoms ...
304 atoms
reading velocities ...
304 velocities
replicate $x $y $z bbox
replicate 2 $y $z bbox
replicate 2 2 $z bbox
replicate 2 2 2 bbox
triclinic box = (0 0 0) to (44.652 22.2824 27.5579) with tilt (0 -10.0521 0)
1 by 1 by 1 MPI processor grid
2432 atoms
Time spent = 0.000789404 secs
pair_style reax/c NULL
pair_coeff * * ffield.reax.hns C H O N
compute reax all pair reax/c
neighbor 1.0 bin
neigh_modify every 20 delay 0 check no
timestep 0.1
thermo_style custom step temp pe press evdwl ecoul vol
thermo_modify norm yes
thermo 10
velocity all create 300.0 41279 loop geom
fix 1 all nve
fix 2 all qeq/reax 1 0.0 10.0 1e-6 reax/c
run 100
Neighbor list info ...
update every 20 steps, delay 0 steps, check no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 11
ghost atom cutoff = 11
binsize = 5.5, bins = 10 5 6
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reax/c, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: half/ghost/bin/3d/newtoff
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off, ghost
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 262.4 | 262.4 | 262.4 Mbytes
Step Temp PotEng Press E_vdwl E_coul Volume
0 300 -113.27833 437.52103 -111.57687 -1.7014647 27418.867
10 299.87174 -113.27778 2033.6337 -111.57645 -1.7013325 27418.867
20 300.81718 -113.28046 4817.5889 -111.57931 -1.7011463 27418.867
30 301.8622 -113.28323 8303.0039 -111.58237 -1.7008608 27418.867
40 302.4646 -113.28493 10519.459 -111.58446 -1.700467 27418.867
50 300.79064 -113.27989 10402.291 -111.57987 -1.7000218 27418.867
60 296.11534 -113.26599 7929.1348 -111.5664 -1.6995929 27418.867
70 291.73354 -113.25289 5071.5459 -111.5537 -1.6991916 27418.867
80 292.189 -113.25399 5667.0962 -111.55519 -1.6987993 27418.867
90 298.40792 -113.27253 7513.3806 -111.57409 -1.6984403 27418.867
100 303.58246 -113.28809 10017.879 -111.58991 -1.698177 27418.867
Loop time of 59.5461 on 1 procs for 100 steps with 2432 atoms
Performance: 0.015 ns/day, 1654.060 hours/ns, 1.679 timesteps/s
97.0% CPU use with 1 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 49.922 | 49.922 | 49.922 | 0.0 | 83.84
Neigh | 0.53154 | 0.53154 | 0.53154 | 0.0 | 0.89
Comm | 0.011399 | 0.011399 | 0.011399 | 0.0 | 0.02
Output | 0.00064397 | 0.00064397 | 0.00064397 | 0.0 | 0.00
Modify | 9.0782 | 9.0782 | 9.0782 | 0.0 | 15.25
Other | | 0.002116 | | | 0.00
Nlocal: 2432 ave 2432 max 2432 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 10687 ave 10687 max 10687 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 823977 ave 823977 max 823977 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 823977
Ave neighs/atom = 338.806
Neighbor list builds = 5
Dangerous builds not checked
Please see the log.cite file for references relevant to this simulation
Total wall time: 0:01:00

View File

@ -1,115 +0,0 @@
LAMMPS (8 Mar 2018)
using 1 OpenMP thread(s) per MPI task
# Pure HNS crystal, ReaxFF tests for benchmarking LAMMPS
# See README for more info
variable x index 2
variable y index 2
variable z index 2
variable t index 100
units real
atom_style charge
atom_modify sort 100 0.0 # optional
dimension 3
boundary p p p
box tilt large
read_data data.hns-equil
triclinic box = (0 0 0) to (22.326 11.1412 13.779) with tilt (0 -5.02603 0)
2 by 1 by 2 MPI processor grid
reading atoms ...
304 atoms
reading velocities ...
304 velocities
replicate $x $y $z bbox
replicate 2 $y $z bbox
replicate 2 2 $z bbox
replicate 2 2 2 bbox
triclinic box = (0 0 0) to (44.652 22.2824 27.5579) with tilt (0 -10.0521 0)
2 by 1 by 2 MPI processor grid
2432 atoms
Time spent = 0.000398397 secs
pair_style reax/c NULL
pair_coeff * * ffield.reax.hns C H O N
compute reax all pair reax/c
neighbor 1.0 bin
neigh_modify every 20 delay 0 check no
timestep 0.1
thermo_style custom step temp pe press evdwl ecoul vol
thermo_modify norm yes
thermo 10
velocity all create 300.0 41279 loop geom
fix 1 all nve
fix 2 all qeq/reax 1 0.0 10.0 1e-6 reax/c
run 100
Neighbor list info ...
update every 20 steps, delay 0 steps, check no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 11
ghost atom cutoff = 11
binsize = 5.5, bins = 10 5 6
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reax/c, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: half/ghost/bin/3d/newtoff
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off, ghost
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 126.6 | 126.6 | 126.6 Mbytes
Step Temp PotEng Press E_vdwl E_coul Volume
0 300 -113.27833 437.52112 -111.57687 -1.7014647 27418.867
10 299.87174 -113.27778 2033.632 -111.57645 -1.7013325 27418.867
20 300.81719 -113.28046 4817.5761 -111.57931 -1.7011463 27418.867
30 301.8622 -113.28323 8302.9767 -111.58237 -1.7008609 27418.867
40 302.4646 -113.28493 10519.481 -111.58446 -1.700467 27418.867
50 300.79064 -113.27989 10402.312 -111.57987 -1.7000217 27418.867
60 296.11534 -113.26599 7929.1393 -111.5664 -1.6995929 27418.867
70 291.73354 -113.25289 5071.5368 -111.5537 -1.6991916 27418.867
80 292.18901 -113.25399 5667.1118 -111.55519 -1.6987993 27418.867
90 298.40793 -113.27253 7513.4029 -111.57409 -1.6984403 27418.867
100 303.58247 -113.28809 10017.892 -111.58991 -1.698177 27418.867
Loop time of 21.3933 on 4 procs for 100 steps with 2432 atoms
Performance: 0.040 ns/day, 594.257 hours/ns, 4.674 timesteps/s
97.6% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 14.863 | 16.367 | 18.027 | 28.6 | 76.51
Neigh | 0.23943 | 0.2422 | 0.24658 | 0.6 | 1.13
Comm | 0.024331 | 1.6845 | 3.189 | 89.2 | 7.87
Output | 0.00051165 | 0.00056899 | 0.00068665 | 0.0 | 0.00
Modify | 3.0933 | 3.0969 | 3.0999 | 0.1 | 14.48
Other | | 0.001784 | | | 0.01
Nlocal: 608 ave 608 max 608 min
Histogram: 4 0 0 0 0 0 0 0 0 0
Nghost: 5738.25 ave 5742 max 5734 min
Histogram: 1 1 0 0 0 0 0 0 0 2
Neighs: 231544 ave 231625 max 231466 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Total # of neighbors = 926176
Ave neighs/atom = 380.829
Neighbor list builds = 5
Dangerous builds not checked
Please see the log.cite file for references relevant to this simulation
Total wall time: 0:00:21

View File

@ -6,7 +6,7 @@ units real
atom_style charge atom_style charge
read_data data.RDX read_data data.RDX
pair_style reax/c lmp_control pair_style reaxff lmp_control
pair_coeff * * ffield.reax.rdx H C O N pair_coeff * * ffield.reax.rdx H C O N
neighbor 2 bin neighbor 2 bin
@ -17,7 +17,7 @@ fix 2 all qeq/reax 1 0.0 10.0 1e-6 param.qeq
fix 3 all temp/berendsen 500.0 500.0 100.0 fix 3 all temp/berendsen 500.0 500.0 100.0
timestep 0.25 timestep 0.25
thermo 100
#dump 1 all atom 30 dump.reax.rdx #dump 1 all atom 30 dump.reax.rdx
run 3000 run 3000

View File

@ -1,17 +1,8 @@
simulation_name RDX_example ! output files will carry this name + their specific ext
tabulate_long_range 10000 ! denotes the granularity of long range tabulation, 0 means no tabulation tabulate_long_range 10000 ! denotes the granularity of long range tabulation, 0 means no tabulation
energy_update_freq 1
nbrhood_cutoff 4.5 ! near neighbors cutoff for bond calculations in A nbrhood_cutoff 4.5 ! near neighbors cutoff for bond calculations in A
hbond_cutoff 6.0 ! cutoff distance for hydrogen bond interactions hbond_cutoff 6.0 ! cutoff distance for hydrogen bond interactions
bond_graph_cutoff 0.3 ! bond strength cutoff for bond graphs bond_graph_cutoff 0.3 ! bond strength cutoff for bond graphs
thb_cutoff 0.001 ! cutoff value for three body interactions thb_cutoff 0.001 ! cutoff value for three body interactions
write_freq 1 ! write trajectory after so many steps
traj_title RDX ! (no white spaces)
atom_info 1 ! 0: no atom info, 1: print basic atom info in the trajectory file
atom_forces 1 ! 0: basic atom format, 1: print force on each atom in the trajectory file
atom_velocities 0 ! 0: basic atom format, 1: print the velocity of each atom in the trajectory file
bond_info 1 ! 0: do not print bonds, 1: print bonds in the trajectory file
angle_info 1 ! 0: do not print angles, 1: print angles in the trajectory file

View File

@ -0,0 +1,140 @@
LAMMPS (21 Nov 2023)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
# REAX potential for high energy CHON systems
# .....
units real
atom_style charge
read_data data.RDX
Reading data file ...
orthogonal box = (0 0 0) to (25 25 25)
1 by 1 by 1 MPI processor grid
reading atoms ...
105 atoms
read_data CPU = 0.001 seconds
pair_style reaxff lmp_control
pair_coeff * * ffield.reax.rdx H C O N
Reading potential file ffield.reax.rdx with DATE: 2010-02-19
neighbor 2 bin
neigh_modify every 10 delay 0 check no
fix 1 all nve
fix 2 all qeq/reax 1 0.0 10.0 1e-6 param.qeq
fix 3 all temp/berendsen 500.0 500.0 100.0
timestep 0.25
thermo 100
#dump 1 all atom 30 dump.reax.rdx
run 3000
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Your simulation uses code contributions which should be cited:
- pair reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
number = {4--5},
pages = {245--259}
}
- fix qeq/reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
pages = {245--259}
}
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Neighbor list info ...
update: every = 10 steps, delay = 0 steps, check = no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 12
ghost atom cutoff = 12
binsize = 6, bins = 5 5 5
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reaxff, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: full/ghost/bin/3d
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 16.3 | 16.3 | 16.3 Mbytes
Step Temp E_pair E_mol TotEng Press
0 0 -10197.932 0 -10197.932 38.347492
100 47.478574 -10176.425 0 -10161.706 632.99863
200 166.95277 -10181.513 0 -10129.757 -27.107717
300 142.53594 -10148.039 0 -10103.853 5120.6794
400 322.68495 -10178.868 0 -10078.834 2342.89
500 193.81476 -10117.984 0 -10057.901 8412.5289
600 300.27155 -10134.473 0 -10041.388 -2801.8661
700 272.63426 -10110.146 0 -10025.629 10749.023
800 339.99867 -10114.124 0 -10008.723 5122.9966
900 231.65547 -10068.587 0 -9996.7728 5306.059
1000 329.92918 -10088.776 0 -9986.4964 3190.1697
1100 376.60905 -10092.398 0 -9975.6476 2921.9605
1200 361.98746 -10076.599 0 -9964.3813 3612.0455
1300 358.65631 -10069.365 0 -9958.1802 4339.8435
1400 470.15262 -10098.553 0 -9952.8035 -146.0811
1500 509.62274 -10106.57 0 -9948.5844 2356.8592
1600 417.89364 -10075.274 0 -9945.7249 1760.5655
1700 453.21317 -10084.329 0 -9943.8306 -570.32375
1800 472.92112 -10087.83 0 -9941.2221 1550.3495
1900 507.18794 -10096.441 0 -9939.2102 -460.65809
2000 443.55347 -10076.832 0 -9939.3281 -145.14295
2100 485.44451 -10088.451 0 -9937.9611 -614.40787
2200 507.52411 -10095.157 0 -9937.8226 1308.3869
2300 496.44961 -10089.637 0 -9935.7354 206.44147
2400 457.99343 -10078.114 0 -9936.1344 810.80538
2500 507.88115 -10092.692 0 -9935.2463 -464.87873
2600 437.84198 -10069.789 0 -9934.0561 1323.4191
2700 503.09017 -10088.945 0 -9932.9853 1133.3561
2800 481.73908 -10082.193 0 -9932.852 -27.838881
2900 487.56555 -10082.752 0 -9931.6045 1772.2131
3000 510.30601 -10091.368 0 -9933.1706 1273.0501
Loop time of 5.35022 on 1 procs for 3000 steps with 105 atoms
Performance: 12.112 ns/day, 1.982 hours/ns, 560.725 timesteps/s, 58.876 katom-step/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 | 4.7927 | 4.7927 | 4.7927 | 0.0 | 89.58
Neigh | 0.15169 | 0.15169 | 0.15169 | 0.0 | 2.84
Comm | 0.011036 | 0.011036 | 0.011036 | 0.0 | 0.21
Output | 0.00080628 | 0.00080628 | 0.00080628 | 0.0 | 0.02
Modify | 0.3906 | 0.3906 | 0.3906 | 0.0 | 7.30
Other | | 0.003436 | | | 0.06
Nlocal: 105 ave 105 max 105 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 645 ave 645 max 645 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 3065 ave 3065 max 3065 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 3065
Ave neighs/atom = 29.190476
Neighbor list builds = 300
Dangerous builds not checked
Total wall time: 0:00:05

View File

@ -0,0 +1,140 @@
LAMMPS (21 Nov 2023)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
# REAX potential for high energy CHON systems
# .....
units real
atom_style charge
read_data data.RDX
Reading data file ...
orthogonal box = (0 0 0) to (25 25 25)
1 by 2 by 2 MPI processor grid
reading atoms ...
105 atoms
read_data CPU = 0.001 seconds
pair_style reaxff lmp_control
pair_coeff * * ffield.reax.rdx H C O N
Reading potential file ffield.reax.rdx with DATE: 2010-02-19
neighbor 2 bin
neigh_modify every 10 delay 0 check no
fix 1 all nve
fix 2 all qeq/reax 1 0.0 10.0 1e-6 param.qeq
fix 3 all temp/berendsen 500.0 500.0 100.0
timestep 0.25
thermo 100
#dump 1 all atom 30 dump.reax.rdx
run 3000
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Your simulation uses code contributions which should be cited:
- pair reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
number = {4--5},
pages = {245--259}
}
- fix qeq/reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
pages = {245--259}
}
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Neighbor list info ...
update: every = 10 steps, delay = 0 steps, check = no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 12
ghost atom cutoff = 12
binsize = 6, bins = 5 5 5
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reaxff, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: full/ghost/bin/3d
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 10.78 | 11.56 | 12.26 Mbytes
Step Temp E_pair E_mol TotEng Press
0 0 -10197.932 0 -10197.932 38.347492
100 47.47852 -10176.425 0 -10161.706 632.97359
200 166.95287 -10181.513 0 -10129.757 -27.146803
300 142.53582 -10148.039 0 -10103.852 5120.6397
400 322.68523 -10178.868 0 -10078.834 2342.7187
500 193.81484 -10117.984 0 -10057.901 8412.4559
600 300.27165 -10134.473 0 -10041.388 -2801.9143
700 272.63408 -10110.146 0 -10025.629 10749.2
800 339.99669 -10114.123 0 -10008.723 5123.2489
900 231.65632 -10068.587 0 -9996.7729 5306.0392
1000 329.93324 -10088.777 0 -9986.4967 3190.4707
1100 376.60924 -10092.398 0 -9975.6478 2920.8475
1200 361.98231 -10076.598 0 -9964.3816 3612.0573
1300 358.6599 -10069.366 0 -9958.1803 4341.9871
1400 470.14856 -10098.552 0 -9952.8036 -146.9069
1500 509.6454 -10106.577 0 -9948.5847 2355.4022
1600 417.9276 -10075.284 0 -9945.7249 1749.565
1700 453.25817 -10084.343 0 -9943.8306 -570.48011
1800 472.9517 -10087.84 0 -9941.2226 1532.6424
1900 507.14171 -10096.428 0 -9939.212 -404.84948
2000 443.62843 -10076.86 0 -9939.3329 -132.17302
2100 485.441 -10088.414 0 -9937.925 -609.75758
2200 507.23914 -10095.067 0 -9937.8209 1288.5372
2300 499.64956 -10090.665 0 -9935.7719 149.06622
2400 457.97848 -10078.107 0 -9936.1317 2065.2075
2500 510.58254 -10093.537 0 -9935.2543 -559.75965
2600 440.97503 -10070.865 0 -9934.1605 1164.1078
2700 500.4945 -10088.165 0 -9933.0096 1051.9016
2800 485.77814 -10083.543 0 -9932.9498 294.64404
2900 487.73983 -10082.939 0 -9931.7373 2208.263
3000 504.69717 -10089.803 0 -9933.3447 1723.6386
Loop time of 2.81192 on 4 procs for 3000 steps with 105 atoms
Performance: 23.045 ns/day, 1.041 hours/ns, 1066.887 timesteps/s, 112.023 katom-step/s
99.3% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 2.0513 | 2.1567 | 2.2232 | 4.3 | 76.70
Neigh | 0.072125 | 0.087048 | 0.10214 | 3.7 | 3.10
Comm | 0.086792 | 0.15326 | 0.25749 | 16.2 | 5.45
Output | 0.00058533 | 0.00064027 | 0.00080207 | 0.0 | 0.02
Modify | 0.39587 | 0.41124 | 0.42647 | 1.7 | 14.62
Other | | 0.003062 | | | 0.11
Nlocal: 26.25 ave 46 max 8 min
Histogram: 1 0 0 1 0 1 0 0 0 1
Nghost: 399.5 ave 512 max 288 min
Histogram: 1 0 0 1 0 0 1 0 0 1
Neighs: 1011.25 ave 1819 max 420 min
Histogram: 1 0 1 1 0 0 0 0 0 1
Total # of neighbors = 4045
Ave neighs/atom = 38.52381
Neighbor list builds = 300
Dangerous builds not checked
Total wall time: 0:00:02

View File

@ -1,81 +0,0 @@
LAMMPS (8 Mar 2018)
using 1 OpenMP thread(s) per MPI task
# REAX potential for high energy CHON systems
# .....
units real
atom_style charge
read_data data.RDX
orthogonal box = (0 0 0) to (25 25 25)
1 by 1 by 1 MPI processor grid
reading atoms ...
105 atoms
pair_style reax/c lmp_control
pair_coeff * * ffield.reax.rdx H C O N
Reading potential file ffield.reax.rdx with DATE: 2010-02-19
neighbor 2 bin
neigh_modify every 10 delay 0 check no
fix 1 all nve
fix 2 all qeq/reax 1 0.0 10.0 1e-6 param.qeq
fix 3 all temp/berendsen 500.0 500.0 100.0
timestep 0.25
#dump 1 all atom 30 dump.reax.rdx
run 3000
Neighbor list info ...
update every 10 steps, delay 0 steps, check no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 12
ghost atom cutoff = 12
binsize = 6, bins = 5 5 5
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reax/c, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: half/ghost/bin/3d/newtoff
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off, ghost
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 19 | 19 | 19 Mbytes
Step Temp E_pair E_mol TotEng Press
0 0 -10197.932 0 -10197.932 38.347492
3000 510.63767 -10091.537 0 -9933.2374 1144.545
Loop time of 21.2931 on 1 procs for 3000 steps with 105 atoms
Performance: 3.043 ns/day, 7.886 hours/ns, 140.891 timesteps/s
97.6% CPU use with 1 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 19.887 | 19.887 | 19.887 | 0.0 | 93.40
Neigh | 0.33143 | 0.33143 | 0.33143 | 0.0 | 1.56
Comm | 0.02079 | 0.02079 | 0.02079 | 0.0 | 0.10
Output | 2.5272e-05 | 2.5272e-05 | 2.5272e-05 | 0.0 | 0.00
Modify | 1.0478 | 1.0478 | 1.0478 | 0.0 | 4.92
Other | | 0.006125 | | | 0.03
Nlocal: 105 ave 105 max 105 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 645 ave 645 max 645 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 3063 ave 3063 max 3063 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 3063
Ave neighs/atom = 29.1714
Neighbor list builds = 300
Dangerous builds not checked
Please see the log.cite file for references relevant to this simulation
Total wall time: 0:00:21

View File

@ -1,81 +0,0 @@
LAMMPS (8 Mar 2018)
using 1 OpenMP thread(s) per MPI task
# REAX potential for high energy CHON systems
# .....
units real
atom_style charge
read_data data.RDX
orthogonal box = (0 0 0) to (25 25 25)
1 by 2 by 2 MPI processor grid
reading atoms ...
105 atoms
pair_style reax/c lmp_control
pair_coeff * * ffield.reax.rdx H C O N
Reading potential file ffield.reax.rdx with DATE: 2010-02-19
neighbor 2 bin
neigh_modify every 10 delay 0 check no
fix 1 all nve
fix 2 all qeq/reax 1 0.0 10.0 1e-6 param.qeq
fix 3 all temp/berendsen 500.0 500.0 100.0
timestep 0.25
#dump 1 all atom 30 dump.reax.rdx
run 3000
Neighbor list info ...
update every 10 steps, delay 0 steps, check no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 12
ghost atom cutoff = 12
binsize = 6, bins = 5 5 5
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reax/c, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: half/ghost/bin/3d/newtoff
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off, ghost
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 12.14 | 13.04 | 13.9 Mbytes
Step Temp E_pair E_mol TotEng Press
0 0 -10197.932 0 -10197.932 38.347492
3000 509.89257 -10091.36 0 -9933.2916 1406.1215
Loop time of 10.8858 on 4 procs for 3000 steps with 105 atoms
Performance: 5.953 ns/day, 4.032 hours/ns, 275.588 timesteps/s
98.1% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 9.3081 | 9.4054 | 9.4994 | 2.6 | 86.40
Neigh | 0.15541 | 0.18258 | 0.2099 | 4.7 | 1.68
Comm | 0.070516 | 0.16621 | 0.26541 | 19.7 | 1.53
Output | 2.2173e-05 | 2.5153e-05 | 3.3855e-05 | 0.0 | 0.00
Modify | 1.0979 | 1.1272 | 1.1568 | 2.1 | 10.35
Other | | 0.004379 | | | 0.04
Nlocal: 26.25 ave 46 max 8 min
Histogram: 1 0 0 1 0 1 0 0 0 1
Nghost: 399.5 ave 512 max 288 min
Histogram: 1 0 0 1 0 0 1 0 0 1
Neighs: 1011.25 ave 1819 max 420 min
Histogram: 1 0 1 1 0 0 0 0 0 1
Total # of neighbors = 4045
Ave neighs/atom = 38.5238
Neighbor list builds = 300
Dangerous builds not checked
Please see the log.cite file for references relevant to this simulation
Total wall time: 0:00:11

View File

@ -6,7 +6,7 @@ units real
atom_style charge atom_style charge
read_data data.VOH read_data data.VOH
pair_style reax/c lmp_control pair_style reaxff lmp_control
pair_coeff * * ffield.reax.V_O_C_H H C O V pair_coeff * * ffield.reax.V_O_C_H H C O V
neighbor 2 bin neighbor 2 bin
@ -19,5 +19,5 @@ fix 3 all temp/berendsen 500.0 500.0 100.0
timestep 0.25 timestep 0.25
#dump 1 all atom 30 dump.reax.voh #dump 1 all atom 30 dump.reax.voh
thermo 100
run 3000 run 2000

View File

@ -1,17 +1,8 @@
simulation_name VOH_example ! output files will carry this name + their specific ext
tabulate_long_range 10000 ! denotes the granularity of long range tabulation, 0 means no tabulation tabulate_long_range 10000 ! denotes the granularity of long range tabulation, 0 means no tabulation
energy_update_freq 1
nbrhood_cutoff 4.5 ! near neighbors cutoff for bond calculations in A nbrhood_cutoff 4.5 ! near neighbors cutoff for bond calculations in A
hbond_cutoff 6.0 ! cutoff distance for hydrogen bond interactions hbond_cutoff 6.0 ! cutoff distance for hydrogen bond interactions
bond_graph_cutoff 0.3 ! bond strength cutoff for bond graphs bond_graph_cutoff 0.3 ! bond strength cutoff for bond graphs
thb_cutoff 0.001 ! cutoff value for three body interactions thb_cutoff 0.001 ! cutoff value for three body interactions
write_freq 1 ! write trajectory after so many steps
traj_title VOH ! (no white spaces)
atom_info 1 ! 0: no atom info, 1: print basic atom info in the trajectory file
atom_forces 1 ! 0: basic atom format, 1: print force on each atom in the trajectory file
atom_velocities 0 ! 0: basic atom format, 1: print the velocity of each atom in the trajectory file
bond_info 1 ! 0: do not print bonds, 1: print bonds in the trajectory file
angle_info 1 ! 0: do not print angles, 1: print angles in the trajectory file

View File

@ -0,0 +1,131 @@
LAMMPS (21 Nov 2023)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
# REAX potential for VOH system
# .....
units real
atom_style charge
read_data data.VOH
Reading data file ...
orthogonal box = (0 0 0) to (25 25 25)
1 by 1 by 1 MPI processor grid
reading atoms ...
100 atoms
read_data CPU = 0.001 seconds
pair_style reaxff lmp_control
pair_coeff * * ffield.reax.V_O_C_H H C O V
Reading potential file ffield.reax.V_O_C_H with DATE: 2011-02-18
WARNING: Changed valency_val to valency_boc for X (src/REAXFF/reaxff_ffield.cpp:289)
neighbor 2 bin
neigh_modify every 10 delay 0 check no
fix 1 all nve
fix 2 all qeq/reax 1 0.0 10.0 1e-6 param.qeq
fix 3 all temp/berendsen 500.0 500.0 100.0
timestep 0.25
#dump 1 all atom 30 dump.reax.voh
thermo 100
run 2000
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Your simulation uses code contributions which should be cited:
- pair reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
number = {4--5},
pages = {245--259}
}
- fix qeq/reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
pages = {245--259}
}
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Neighbor list info ...
update: every = 10 steps, delay = 0 steps, check = no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 12
ghost atom cutoff = 12
binsize = 6, bins = 5 5 5
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reaxff, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: full/ghost/bin/3d
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 15.34 | 15.34 | 15.34 Mbytes
Step Temp E_pair E_mol TotEng Press
0 0 -10246.825 0 -10246.825 42.256089
100 83.813625 -10238.056 0 -10213.322 -246.37234
200 128.47312 -10221.424 0 -10183.511 -896.05588
300 199.45833 -10218.343 0 -10159.482 -66.676466
400 243.93496 -10211.648 0 -10139.663 -1073.274
500 314.81116 -10216.592 0 -10123.692 542.54772
600 361.45977 -10217.717 0 -10111.05 205.47425
700 392.16954 -10215.815 0 -10100.086 -283.06967
800 392.49036 -10206.909 0 -10091.085 953.23712
900 426.51015 -10209.352 0 -10083.489 473.9928
1000 398.23517 -10195.103 0 -10077.584 243.59494
1100 414.05403 -10192.081 0 -10069.893 1063.7609
1200 442.70037 -10196.631 0 -10065.99 -1189.773
1300 470.32545 -10201.252 0 -10062.459 -132.3016
1400 446.97236 -10189.078 0 -10057.176 9.8938187
1500 475.7665 -10195.598 0 -10055.199 -877.81691
1600 440.45154 -10181.071 0 -10051.093 579.85471
1700 517.45211 -10201.067 0 -10048.367 136.58133
1800 461.86671 -10182.818 0 -10046.521 -260.09694
1900 463.99242 -10181.136 0 -10044.211 1567.8398
2000 476.73786 -10184.032 0 -10043.346 -883.50859
Loop time of 1.94324 on 1 procs for 2000 steps with 100 atoms
Performance: 22.231 ns/day, 1.080 hours/ns, 1029.207 timesteps/s, 102.921 katom-step/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 | 1.5707 | 1.5707 | 1.5707 | 0.0 | 80.83
Neigh | 0.1054 | 0.1054 | 0.1054 | 0.0 | 5.42
Comm | 0.005606 | 0.005606 | 0.005606 | 0.0 | 0.29
Output | 0.00053398 | 0.00053398 | 0.00053398 | 0.0 | 0.03
Modify | 0.2594 | 0.2594 | 0.2594 | 0.0 | 13.35
Other | | 0.001603 | | | 0.08
Nlocal: 100 ave 100 max 100 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 638 ave 638 max 638 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 3434 ave 3434 max 3434 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 3434
Ave neighs/atom = 34.34
Neighbor list builds = 200
Dangerous builds not checked
Total wall time: 0:00:01

View File

@ -0,0 +1,131 @@
LAMMPS (21 Nov 2023)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
# REAX potential for VOH system
# .....
units real
atom_style charge
read_data data.VOH
Reading data file ...
orthogonal box = (0 0 0) to (25 25 25)
1 by 2 by 2 MPI processor grid
reading atoms ...
100 atoms
read_data CPU = 0.001 seconds
pair_style reaxff lmp_control
pair_coeff * * ffield.reax.V_O_C_H H C O V
Reading potential file ffield.reax.V_O_C_H with DATE: 2011-02-18
WARNING: Changed valency_val to valency_boc for X (src/REAXFF/reaxff_ffield.cpp:289)
neighbor 2 bin
neigh_modify every 10 delay 0 check no
fix 1 all nve
fix 2 all qeq/reax 1 0.0 10.0 1e-6 param.qeq
fix 3 all temp/berendsen 500.0 500.0 100.0
timestep 0.25
#dump 1 all atom 30 dump.reax.voh
thermo 100
run 2000
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Your simulation uses code contributions which should be cited:
- pair reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
number = {4--5},
pages = {245--259}
}
- fix qeq/reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
pages = {245--259}
}
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Neighbor list info ...
update: every = 10 steps, delay = 0 steps, check = no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 12
ghost atom cutoff = 12
binsize = 6, bins = 5 5 5
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reaxff, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: full/ghost/bin/3d
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 10.04 | 11.12 | 12.06 Mbytes
Step Temp E_pair E_mol TotEng Press
0 0 -10246.825 0 -10246.825 42.256092
100 83.813732 -10238.056 0 -10213.322 -246.39794
200 128.4729 -10221.424 0 -10183.511 -896.07308
300 199.45765 -10218.342 0 -10159.482 -66.695871
400 243.93632 -10211.649 0 -10139.663 -1073.2779
500 314.81228 -10216.592 0 -10123.691 542.5312
600 361.46099 -10217.717 0 -10111.05 205.56032
700 392.16903 -10215.815 0 -10100.086 -283.00265
800 392.48962 -10206.909 0 -10091.085 953.23878
900 426.50866 -10209.352 0 -10083.489 474.04312
1000 398.23724 -10195.104 0 -10077.584 243.52194
1100 414.05514 -10192.081 0 -10069.893 1063.726
1200 442.70432 -10196.633 0 -10065.99 -1189.8309
1300 470.32067 -10201.251 0 -10062.459 -132.41831
1400 447.00366 -10189.087 0 -10057.177 10.168781
1500 475.77239 -10195.599 0 -10055.199 -877.85409
1600 440.43788 -10181.066 0 -10051.092 580.25473
1700 517.37824 -10201.044 0 -10048.366 136.09841
1800 461.75464 -10182.78 0 -10046.517 -259.88878
1900 464.0812 -10181.158 0 -10044.207 1566.4734
2000 476.55134 -10183.975 0 -10043.344 -884.37537
Loop time of 1.16101 on 4 procs for 2000 steps with 100 atoms
Performance: 37.209 ns/day, 0.645 hours/ns, 1722.640 timesteps/s, 172.264 katom-step/s
99.1% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.65447 | 0.69002 | 0.77443 | 6.0 | 59.43
Neigh | 0.050397 | 0.060259 | 0.06883 | 2.7 | 5.19
Comm | 0.03061 | 0.1145 | 0.15016 | 14.5 | 9.86
Output | 0.00039488 | 0.00043537 | 0.00055434 | 0.0 | 0.04
Modify | 0.28585 | 0.29446 | 0.30467 | 1.2 | 25.36
Other | | 0.00134 | | | 0.12
Nlocal: 25 ave 36 max 10 min
Histogram: 1 0 0 0 0 1 0 0 1 1
Nghost: 385.75 ave 472 max 299 min
Histogram: 1 0 0 1 0 0 1 0 0 1
Neighs: 1077 ave 1693 max 379 min
Histogram: 1 0 0 1 0 0 0 0 1 1
Total # of neighbors = 4308
Ave neighs/atom = 43.08
Neighbor list builds = 200
Dangerous builds not checked
Total wall time: 0:00:01

View File

@ -1,81 +0,0 @@
LAMMPS (8 Mar 2018)
using 1 OpenMP thread(s) per MPI task
# REAX potential for VOH system
# .....
units real
atom_style charge
read_data data.VOH
orthogonal box = (0 0 0) to (25 25 25)
1 by 1 by 1 MPI processor grid
reading atoms ...
100 atoms
pair_style reax/c lmp_control
pair_coeff * * ffield.reax.V_O_C_H H C O V
Reading potential file ffield.reax.V_O_C_H with DATE: 2011-02-18
neighbor 2 bin
neigh_modify every 10 delay 0 check no
fix 1 all nve
fix 2 all qeq/reax 1 0.0 10.0 1e-6 param.qeq
fix 3 all temp/berendsen 500.0 500.0 100.0
timestep 0.25
#dump 1 all atom 30 dump.reax.voh
run 3000
Neighbor list info ...
update every 10 steps, delay 0 steps, check no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 12
ghost atom cutoff = 12
binsize = 6, bins = 5 5 5
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reax/c, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: half/ghost/bin/3d/newtoff
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off, ghost
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 17.79 | 17.79 | 17.79 Mbytes
Step Temp E_pair E_mol TotEng Press
0 0 -10246.825 0 -10246.825 42.256089
3000 476.73301 -10185.256 0 -10044.572 -694.70737
Loop time of 11.0577 on 1 procs for 3000 steps with 100 atoms
Performance: 5.860 ns/day, 4.095 hours/ns, 271.304 timesteps/s
98.9% CPU use with 1 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 9.6785 | 9.6785 | 9.6785 | 0.0 | 87.53
Neigh | 0.32599 | 0.32599 | 0.32599 | 0.0 | 2.95
Comm | 0.017231 | 0.017231 | 0.017231 | 0.0 | 0.16
Output | 2.5511e-05 | 2.5511e-05 | 2.5511e-05 | 0.0 | 0.00
Modify | 1.0311 | 1.0311 | 1.0311 | 0.0 | 9.32
Other | | 0.004857 | | | 0.04
Nlocal: 100 ave 100 max 100 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 598 ave 598 max 598 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 3390 ave 3390 max 3390 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 3390
Ave neighs/atom = 33.9
Neighbor list builds = 300
Dangerous builds not checked
Please see the log.cite file for references relevant to this simulation
Total wall time: 0:00:11

View File

@ -1,81 +0,0 @@
LAMMPS (8 Mar 2018)
using 1 OpenMP thread(s) per MPI task
# REAX potential for VOH system
# .....
units real
atom_style charge
read_data data.VOH
orthogonal box = (0 0 0) to (25 25 25)
1 by 2 by 2 MPI processor grid
reading atoms ...
100 atoms
pair_style reax/c lmp_control
pair_coeff * * ffield.reax.V_O_C_H H C O V
Reading potential file ffield.reax.V_O_C_H with DATE: 2011-02-18
neighbor 2 bin
neigh_modify every 10 delay 0 check no
fix 1 all nve
fix 2 all qeq/reax 1 0.0 10.0 1e-6 param.qeq
fix 3 all temp/berendsen 500.0 500.0 100.0
timestep 0.25
#dump 1 all atom 30 dump.reax.voh
run 3000
Neighbor list info ...
update every 10 steps, delay 0 steps, check no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 12
ghost atom cutoff = 12
binsize = 6, bins = 5 5 5
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reax/c, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: half/ghost/bin/3d/newtoff
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off, ghost
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 11.21 | 12.52 | 13.64 Mbytes
Step Temp E_pair E_mol TotEng Press
0 0 -10246.825 0 -10246.825 42.256092
3000 489.67803 -10188.866 0 -10044.362 -553.7513
Loop time of 6.49847 on 4 procs for 3000 steps with 100 atoms
Performance: 9.972 ns/day, 2.407 hours/ns, 461.647 timesteps/s
97.7% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 4.7412 | 4.8453 | 4.9104 | 2.9 | 74.56
Neigh | 0.1468 | 0.17834 | 0.20151 | 4.7 | 2.74
Comm | 0.071841 | 0.14037 | 0.24502 | 17.2 | 2.16
Output | 2.1219e-05 | 2.408e-05 | 3.1948e-05 | 0.0 | 0.00
Modify | 1.3072 | 1.3308 | 1.3627 | 1.7 | 20.48
Other | | 0.003713 | | | 0.06
Nlocal: 25 ave 38 max 11 min
Histogram: 1 0 0 0 1 0 1 0 0 1
Nghost: 369.75 ave 453 max 283 min
Histogram: 1 0 0 0 1 1 0 0 0 1
Neighs: 1082.25 ave 1788 max 417 min
Histogram: 1 0 1 0 0 0 1 0 0 1
Total # of neighbors = 4329
Ave neighs/atom = 43.29
Neighbor list builds = 300
Dangerous builds not checked
Please see the log.cite file for references relevant to this simulation
Total wall time: 0:00:06

View File

@ -6,7 +6,7 @@ units real
atom_style charge atom_style charge
read_data data.ZnOH2 read_data data.ZnOH2
pair_style reax/c lmp_control pair_style reaxff lmp_control
pair_coeff * * ffield.reax.ZnOH H O Zn pair_coeff * * ffield.reax.ZnOH H O Zn
neighbor 2 bin neighbor 2 bin
@ -17,7 +17,8 @@ fix 2 all qeq/reax 1 0.0 10.0 1e-6 param.qeq
fix 3 all temp/berendsen 500.0 500.0 100.0 fix 3 all temp/berendsen 500.0 500.0 100.0
timestep 0.25 timestep 0.25
thermo 100
#dump 1 all atom 30 dump.reax.znoh #dump 1 all atom 30 dump.reax.znoh
run 3000 run 1000

View File

@ -1,17 +1,7 @@
simulation_name ZnOH2_example ! output files will carry this name + their specific ext
tabulate_long_range 10000 ! denotes the granularity of long range tabulation, 0 means no tabulation tabulate_long_range 10000 ! denotes the granularity of long range tabulation, 0 means no tabulation
energy_update_freq 1
nbrhood_cutoff 4.5 ! near neighbors cutoff for bond calculations in A nbrhood_cutoff 4.5 ! near neighbors cutoff for bond calculations in A
hbond_cutoff 6.0 ! cutoff distance for hydrogen bond interactions hbond_cutoff 6.0 ! cutoff distance for hydrogen bond interactions
bond_graph_cutoff 0.3 ! bond strength cutoff for bond graphs bond_graph_cutoff 0.3 ! bond strength cutoff for bond graphs
thb_cutoff 0.001 ! cutoff value for three body interactions thb_cutoff 0.001 ! cutoff value for three body interactions
write_freq 1 ! write trajectory after so many steps
traj_title ZnOH2 ! (no white spaces)
atom_info 1 ! 0: no atom info, 1: print basic atom info in the trajectory file
atom_forces 1 ! 0: basic atom format, 1: print force on each atom in the trajectory file
atom_velocities 0 ! 0: basic atom format, 1: print the velocity of each atom in the trajectory file
bond_info 1 ! 0: do not print bonds, 1: print bonds in the trajectory file
angle_info 1 ! 0: do not print angles, 1: print angles in the trajectory file

View File

@ -0,0 +1,122 @@
LAMMPS (21 Nov 2023)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
# REAX potential for ZnOH2 system
# .....
units real
atom_style charge
read_data data.ZnOH2
Reading data file ...
orthogonal box = (0 0 0) to (25 25 25)
1 by 1 by 1 MPI processor grid
reading atoms ...
105 atoms
read_data CPU = 0.000 seconds
pair_style reaxff lmp_control
pair_coeff * * ffield.reax.ZnOH H O Zn
Reading potential file ffield.reax.ZnOH with DATE: 2011-02-18
WARNING: Changed valency_val to valency_boc for X (src/REAXFF/reaxff_ffield.cpp:289)
neighbor 2 bin
neigh_modify every 10 delay 0 check no
fix 1 all nve
fix 2 all qeq/reax 1 0.0 10.0 1e-6 param.qeq
fix 3 all temp/berendsen 500.0 500.0 100.0
timestep 0.25
thermo 100
#dump 1 all atom 30 dump.reax.znoh
run 1000
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Your simulation uses code contributions which should be cited:
- pair reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
number = {4--5},
pages = {245--259}
}
- fix qeq/reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
pages = {245--259}
}
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Neighbor list info ...
update: every = 10 steps, delay = 0 steps, check = no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 12
ghost atom cutoff = 12
binsize = 6, bins = 5 5 5
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reaxff, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: full/ghost/bin/3d
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 15.8 | 15.8 | 15.8 Mbytes
Step Temp E_pair E_mol TotEng Press
0 0 -7900.2668 0 -7900.2668 60.076093
100 89.745108 -7892.7937 0 -7864.9724 -359.37879
200 151.73431 -7883.2823 0 -7836.244 118.04838
300 223.74392 -7881.6513 0 -7812.2898 -97.069674
400 293.70909 -7883.7754 0 -7792.7243 -384.10332
500 301.22843 -7869.313 0 -7775.9309 76.604433
600 317.45476 -7860.4665 0 -7762.0541 40.95095
700 335.70939 -7853.865 0 -7749.7937 -173.3119
800 380.48725 -7857.8679 0 -7739.9152 -139.88773
900 502.93129 -7891.7095 0 -7735.7987 488.40109
1000 510.36735 -7894.0653 0 -7735.8493 -222.85193
Loop time of 0.583996 on 1 procs for 1000 steps with 105 atoms
Performance: 36.987 ns/day, 0.649 hours/ns, 1712.342 timesteps/s, 179.796 katom-step/s
99.6% CPU use with 1 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.41526 | 0.41526 | 0.41526 | 0.0 | 71.11
Neigh | 0.058908 | 0.058908 | 0.058908 | 0.0 | 10.09
Comm | 0.0028308 | 0.0028308 | 0.0028308 | 0.0 | 0.48
Output | 0.00021295 | 0.00021295 | 0.00021295 | 0.0 | 0.04
Modify | 0.1061 | 0.1061 | 0.1061 | 0.0 | 18.17
Other | | 0.0006844 | | | 0.12
Nlocal: 105 ave 105 max 105 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 640 ave 640 max 640 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 3934 ave 3934 max 3934 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 3934
Ave neighs/atom = 37.466667
Neighbor list builds = 100
Dangerous builds not checked
Total wall time: 0:00:00

View File

@ -0,0 +1,122 @@
LAMMPS (21 Nov 2023)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
# REAX potential for ZnOH2 system
# .....
units real
atom_style charge
read_data data.ZnOH2
Reading data file ...
orthogonal box = (0 0 0) to (25 25 25)
1 by 2 by 2 MPI processor grid
reading atoms ...
105 atoms
read_data CPU = 0.001 seconds
pair_style reaxff lmp_control
pair_coeff * * ffield.reax.ZnOH H O Zn
Reading potential file ffield.reax.ZnOH with DATE: 2011-02-18
WARNING: Changed valency_val to valency_boc for X (src/REAXFF/reaxff_ffield.cpp:289)
neighbor 2 bin
neigh_modify every 10 delay 0 check no
fix 1 all nve
fix 2 all qeq/reax 1 0.0 10.0 1e-6 param.qeq
fix 3 all temp/berendsen 500.0 500.0 100.0
timestep 0.25
thermo 100
#dump 1 all atom 30 dump.reax.znoh
run 1000
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Your simulation uses code contributions which should be cited:
- pair reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
number = {4--5},
pages = {245--259}
}
- fix qeq/reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
pages = {245--259}
}
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Neighbor list info ...
update: every = 10 steps, delay = 0 steps, check = no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 12
ghost atom cutoff = 12
binsize = 6, bins = 5 5 5
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reaxff, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: full/ghost/bin/3d
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 10.1 | 11.34 | 12.51 Mbytes
Step Temp E_pair E_mol TotEng Press
0 0 -7900.2668 0 -7900.2668 60.076093
100 89.745102 -7892.7938 0 -7864.9724 -359.39279
200 151.73402 -7883.2823 0 -7836.2441 118.03582
300 223.74416 -7881.6514 0 -7812.2897 -97.060088
400 293.70926 -7883.7754 0 -7792.7242 -384.10477
500 301.22851 -7869.3129 0 -7775.9308 76.601414
600 317.45436 -7860.4664 0 -7762.0542 40.946828
700 335.70975 -7853.8651 0 -7749.7936 -173.31084
800 380.48744 -7857.868 0 -7739.9153 -139.87915
900 502.93034 -7891.7094 0 -7735.7989 488.3973
1000 510.36634 -7894.0651 0 -7735.8493 -222.85474
Loop time of 0.345754 on 4 procs for 1000 steps with 105 atoms
Performance: 62.472 ns/day, 0.384 hours/ns, 2892.228 timesteps/s, 303.684 katom-step/s
99.1% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.18043 | 0.18884 | 0.19544 | 1.3 | 54.62
Neigh | 0.027479 | 0.033519 | 0.039456 | 2.3 | 9.69
Comm | 0.01673 | 0.023479 | 0.031605 | 3.6 | 6.79
Output | 0.00019732 | 0.0002106 | 0.00024979 | 0.0 | 0.06
Modify | 0.093437 | 0.099224 | 0.10519 | 1.3 | 28.70
Other | | 0.0004842 | | | 0.14
Nlocal: 26.25 ave 41 max 11 min
Histogram: 1 0 0 0 1 0 1 0 0 1
Nghost: 390.25 ave 491 max 286 min
Histogram: 1 0 0 0 1 1 0 0 0 1
Neighs: 1154 ave 1912 max 445 min
Histogram: 1 0 0 1 0 1 0 0 0 1
Total # of neighbors = 4616
Ave neighs/atom = 43.961905
Neighbor list builds = 100
Dangerous builds not checked
Total wall time: 0:00:00

View File

@ -1,81 +0,0 @@
LAMMPS (8 Mar 2018)
using 1 OpenMP thread(s) per MPI task
# REAX potential for ZnOH2 system
# .....
units real
atom_style charge
read_data data.ZnOH2
orthogonal box = (0 0 0) to (25 25 25)
1 by 1 by 1 MPI processor grid
reading atoms ...
105 atoms
pair_style reax/c lmp_control
pair_coeff * * ffield.reax.ZnOH H O Zn
Reading potential file ffield.reax.ZnOH with DATE: 2011-02-18
neighbor 2 bin
neigh_modify every 10 delay 0 check no
fix 1 all nve
fix 2 all qeq/reax 1 0.0 10.0 1e-6 param.qeq
fix 3 all temp/berendsen 500.0 500.0 100.0
timestep 0.25
#dump 1 all atom 30 dump.reax.znoh
run 3000
Neighbor list info ...
update every 10 steps, delay 0 steps, check no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 12
ghost atom cutoff = 12
binsize = 6, bins = 5 5 5
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reax/c, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: half/ghost/bin/3d/newtoff
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off, ghost
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 18.36 | 18.36 | 18.36 Mbytes
Step Temp E_pair E_mol TotEng Press
0 0 -7900.2668 0 -7900.2668 60.076093
3000 535.58577 -7934.7287 0 -7768.6948 -475.46237
Loop time of 7.29784 on 1 procs for 3000 steps with 105 atoms
Performance: 8.879 ns/day, 2.703 hours/ns, 411.081 timesteps/s
97.3% CPU use with 1 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 5.9988 | 5.9988 | 5.9988 | 0.0 | 82.20
Neigh | 0.37455 | 0.37455 | 0.37455 | 0.0 | 5.13
Comm | 0.019186 | 0.019186 | 0.019186 | 0.0 | 0.26
Output | 2.4557e-05 | 2.4557e-05 | 2.4557e-05 | 0.0 | 0.00
Modify | 0.89915 | 0.89915 | 0.89915 | 0.0 | 12.32
Other | | 0.006108 | | | 0.08
Nlocal: 105 ave 105 max 105 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 649 ave 649 max 649 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 3971 ave 3971 max 3971 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 3971
Ave neighs/atom = 37.819
Neighbor list builds = 300
Dangerous builds not checked
Please see the log.cite file for references relevant to this simulation
Total wall time: 0:00:07

View File

@ -1,81 +0,0 @@
LAMMPS (8 Mar 2018)
using 1 OpenMP thread(s) per MPI task
# REAX potential for ZnOH2 system
# .....
units real
atom_style charge
read_data data.ZnOH2
orthogonal box = (0 0 0) to (25 25 25)
1 by 2 by 2 MPI processor grid
reading atoms ...
105 atoms
pair_style reax/c lmp_control
pair_coeff * * ffield.reax.ZnOH H O Zn
Reading potential file ffield.reax.ZnOH with DATE: 2011-02-18
neighbor 2 bin
neigh_modify every 10 delay 0 check no
fix 1 all nve
fix 2 all qeq/reax 1 0.0 10.0 1e-6 param.qeq
fix 3 all temp/berendsen 500.0 500.0 100.0
timestep 0.25
#dump 1 all atom 30 dump.reax.znoh
run 3000
Neighbor list info ...
update every 10 steps, delay 0 steps, check no
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 12
ghost atom cutoff = 12
binsize = 6, bins = 5 5 5
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reax/c, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: half/ghost/bin/3d/newtoff
bin: standard
(2) fix qeq/reax, perpetual, copy from (1)
attributes: half, newton off, ghost
pair build: copy
stencil: none
bin: none
Per MPI rank memory allocation (min/avg/max) = 11.28 | 12.77 | 14.21 Mbytes
Step Temp E_pair E_mol TotEng Press
0 0 -7900.2668 0 -7900.2668 60.076093
3000 538.25796 -7935.6159 0 -7768.7536 -525.47078
Loop time of 4.48824 on 4 procs for 3000 steps with 105 atoms
Performance: 14.438 ns/day, 1.662 hours/ns, 668.414 timesteps/s
97.2% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 3.1031 | 3.1698 | 3.2378 | 3.3 | 70.62
Neigh | 0.16642 | 0.20502 | 0.25003 | 6.6 | 4.57
Comm | 0.074932 | 0.14224 | 0.21025 | 15.6 | 3.17
Output | 0.00011349 | 0.00011736 | 0.00012231 | 0.0 | 0.00
Modify | 0.92089 | 0.96736 | 1.0083 | 3.2 | 21.55
Other | | 0.003731 | | | 0.08
Nlocal: 26.25 ave 45 max 15 min
Histogram: 1 0 2 0 0 0 0 0 0 1
Nghost: 399 ave 509 max 295 min
Histogram: 1 0 0 0 2 0 0 0 0 1
Neighs: 1151.5 ave 2066 max 701 min
Histogram: 1 2 0 0 0 0 0 0 0 1
Total # of neighbors = 4606
Ave neighs/atom = 43.8667
Neighbor list builds = 300
Dangerous builds not checked
Please see the log.cite file for references relevant to this simulation
Total wall time: 0:00:04

View File

@ -4,8 +4,8 @@ units real
read_data CH4.dat read_data CH4.dat
pair_style hybrid/overlay reax/c control checkqeq no table linear 11000 pair_style hybrid/overlay reaxff control checkqeq no table linear 11000
pair_coeff * * reax/c ffield.ci-reax.CH C H pair_coeff * * reaxff ffield.ci-reax.CH C H
pair_coeff 1 1 table ci-reaxFF_ZBL.dat CC_cireaxFF pair_coeff 1 1 table ci-reaxFF_ZBL.dat CC_cireaxFF
pair_coeff 1 2 table ci-reaxFF_ZBL.dat CH_cireaxFF pair_coeff 1 2 table ci-reaxFF_ZBL.dat CH_cireaxFF
pair_coeff 2 2 table ci-reaxFF_ZBL.dat HH_cireaxFF pair_coeff 2 2 table ci-reaxFF_ZBL.dat HH_cireaxFF

View File

@ -0,0 +1,105 @@
LAMMPS (21 Nov 2023)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
#ci-reax potential for CH systems with tabulated ZBL correction
atom_style charge
units real
read_data CH4.dat
Reading data file ...
orthogonal box = (0 0 0) to (20 20 20)
1 by 1 by 1 MPI processor grid
reading atoms ...
315 atoms
reading velocities ...
315 velocities
read_data CPU = 0.003 seconds
pair_style hybrid/overlay reaxff control checkqeq no table linear 11000
pair_coeff * * reaxff ffield.ci-reax.CH C H
Reading potential file ffield.ci-reax.CH with DATE: 2017-11-20
pair_coeff 1 1 table ci-reaxFF_ZBL.dat CC_cireaxFF
WARNING: 2 of 10000 force values in table CC_cireaxFF are inconsistent with -dE/dr.
WARNING: Should only be flagged at inflection points (src/pair_table.cpp:466)
pair_coeff 1 2 table ci-reaxFF_ZBL.dat CH_cireaxFF
WARNING: 2 of 11000 force values in table CH_cireaxFF are inconsistent with -dE/dr.
WARNING: Should only be flagged at inflection points (src/pair_table.cpp:466)
pair_coeff 2 2 table ci-reaxFF_ZBL.dat HH_cireaxFF
WARNING: 2 of 6000 force values in table HH_cireaxFF are inconsistent with -dE/dr.
WARNING: Should only be flagged at inflection points (src/pair_table.cpp:466)
timestep 0.25
fix 1 all nve
fix 2 all temp/berendsen 500.0 500.0 100.0
#dump 1 all atom 30 dump.ci-reax.lammpstrj
run 3000
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Your simulation uses code contributions which should be cited:
- pair reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
number = {4--5},
pages = {245--259}
}
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
WARNING: Total cutoff < 2*bond cutoff. May need to use an increased neighbor list skin. (src/REAXFF/pair_reaxff.cpp:365)
Neighbor list info ...
update: every = 1 steps, delay = 0 steps, check = yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 9.5
ghost atom cutoff = 9.5
binsize = 4.75, bins = 5 5 5
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reaxff, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: full/ghost/bin/3d
bin: standard
(2) pair table, perpetual
attributes: half, newton on, cut 3.1
pair build: half/bin/atomonly/newton
stencil: half/bin/3d
bin: standard
Per MPI rank memory allocation (min/avg/max) = 35.64 | 35.64 | 35.64 Mbytes
Step Temp E_pair E_mol TotEng Press
0 508.42043 -28736.654 0 -28260.785 1678.3276
3000 480.41333 -28707.835 0 -28258.181 -3150.0762
Loop time of 13.2263 on 1 procs for 3000 steps with 315 atoms
Performance: 4.899 ns/day, 4.899 hours/ns, 226.821 timesteps/s, 71.449 katom-step/s
99.6% CPU use with 1 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 13.046 | 13.046 | 13.046 | 0.0 | 98.64
Neigh | 0.12783 | 0.12783 | 0.12783 | 0.0 | 0.97
Comm | 0.025611 | 0.025611 | 0.025611 | 0.0 | 0.19
Output | 2.2361e-05 | 2.2361e-05 | 2.2361e-05 | 0.0 | 0.00
Modify | 0.017722 | 0.017722 | 0.017722 | 0.0 | 0.13
Other | | 0.008824 | | | 0.07
Nlocal: 315 ave 315 max 315 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 2056 ave 2056 max 2056 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 32754 ave 32754 max 32754 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 32754
Ave neighs/atom = 103.98095
Neighbor list builds = 37
Dangerous builds = 0
Total wall time: 0:00:13

View File

@ -0,0 +1,105 @@
LAMMPS (21 Nov 2023)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
#ci-reax potential for CH systems with tabulated ZBL correction
atom_style charge
units real
read_data CH4.dat
Reading data file ...
orthogonal box = (0 0 0) to (20 20 20)
1 by 2 by 2 MPI processor grid
reading atoms ...
315 atoms
reading velocities ...
315 velocities
read_data CPU = 0.002 seconds
pair_style hybrid/overlay reaxff control checkqeq no table linear 11000
pair_coeff * * reaxff ffield.ci-reax.CH C H
Reading potential file ffield.ci-reax.CH with DATE: 2017-11-20
pair_coeff 1 1 table ci-reaxFF_ZBL.dat CC_cireaxFF
WARNING: 2 of 10000 force values in table CC_cireaxFF are inconsistent with -dE/dr.
WARNING: Should only be flagged at inflection points (src/pair_table.cpp:466)
pair_coeff 1 2 table ci-reaxFF_ZBL.dat CH_cireaxFF
WARNING: 2 of 11000 force values in table CH_cireaxFF are inconsistent with -dE/dr.
WARNING: Should only be flagged at inflection points (src/pair_table.cpp:466)
pair_coeff 2 2 table ci-reaxFF_ZBL.dat HH_cireaxFF
WARNING: 2 of 6000 force values in table HH_cireaxFF are inconsistent with -dE/dr.
WARNING: Should only be flagged at inflection points (src/pair_table.cpp:466)
timestep 0.25
fix 1 all nve
fix 2 all temp/berendsen 500.0 500.0 100.0
#dump 1 all atom 30 dump.ci-reax.lammpstrj
run 3000
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Your simulation uses code contributions which should be cited:
- pair reaxff command: doi:10.1016/j.parco.2011.08.005
@Article{Aktulga12,
author = {H. M. Aktulga and J. C. Fogarty and S. A. Pandit and A. Y. Grama},
title = {Parallel Reactive Molecular Dynamics: {N}umerical Methods and Algorithmic Techniques},
journal = {Parallel Computing},
year = 2012,
volume = 38,
number = {4--5},
pages = {245--259}
}
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
WARNING: Total cutoff < 2*bond cutoff. May need to use an increased neighbor list skin. (src/REAXFF/pair_reaxff.cpp:365)
Neighbor list info ...
update: every = 1 steps, delay = 0 steps, check = yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 9.5
ghost atom cutoff = 9.5
binsize = 4.75, bins = 5 5 5
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reaxff, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: full/ghost/bin/3d
bin: standard
(2) pair table, perpetual
attributes: half, newton on, cut 3.1
pair build: half/bin/atomonly/newton
stencil: half/bin/3d
bin: standard
Per MPI rank memory allocation (min/avg/max) = 20.4 | 21.35 | 22.73 Mbytes
Step Temp E_pair E_mol TotEng Press
0 508.42043 -28736.654 0 -28260.785 1678.3276
3000 480.41333 -28707.835 0 -28258.181 -3150.0762
Loop time of 8.18251 on 4 procs for 3000 steps with 315 atoms
Performance: 7.919 ns/day, 3.031 hours/ns, 366.636 timesteps/s, 115.490 katom-step/s
99.1% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 6.7983 | 7.3808 | 7.9976 | 16.3 | 90.20
Neigh | 0.062309 | 0.065996 | 0.07006 | 1.4 | 0.81
Comm | 0.083586 | 0.70629 | 1.2934 | 53.1 | 8.63
Output | 1.8365e-05 | 2.0853e-05 | 2.7615e-05 | 0.0 | 0.00
Modify | 0.016829 | 0.019422 | 0.02157 | 1.4 | 0.24
Other | | 0.01001 | | | 0.12
Nlocal: 78.75 ave 96 max 65 min
Histogram: 2 0 0 0 0 0 0 1 0 1
Nghost: 1233 ave 1348 max 1116 min
Histogram: 1 0 1 0 0 0 0 1 0 1
Neighs: 9467.25 ave 12150 max 7160 min
Histogram: 1 1 0 0 0 0 0 1 0 1
Total # of neighbors = 37869
Ave neighs/atom = 120.21905
Neighbor list builds = 37
Dangerous builds = 0
Total wall time: 0:00:08

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@ -1,86 +0,0 @@
LAMMPS (8 Mar 2018)
using 1 OpenMP thread(s) per MPI task
#ci-reax potential for CH systems with tabulated ZBL correction
atom_style charge
units real
read_data CH4.dat
orthogonal box = (0 0 0) to (20 20 20)
1 by 1 by 1 MPI processor grid
reading atoms ...
315 atoms
reading velocities ...
315 velocities
pair_style hybrid/overlay reax/c control checkqeq no table linear 11000
pair_coeff * * reax/c ffield.ci-reax.CH C H
Reading potential file ffield.ci-reax.CH with DATE: 2017-11-20
pair_coeff 1 1 table ci-reaxFF_ZBL.dat CC_cireaxFF
WARNING: 2 of 10000 force values in table are inconsistent with -dE/dr.
Should only be flagged at inflection points (../pair_table.cpp:481)
pair_coeff 1 2 table ci-reaxFF_ZBL.dat CH_cireaxFF
WARNING: 2 of 11000 force values in table are inconsistent with -dE/dr.
Should only be flagged at inflection points (../pair_table.cpp:481)
pair_coeff 2 2 table ci-reaxFF_ZBL.dat HH_cireaxFF
WARNING: 2 of 6000 force values in table are inconsistent with -dE/dr.
Should only be flagged at inflection points (../pair_table.cpp:481)
timestep 0.25
fix 1 all nve
fix 2 all temp/berendsen 500.0 500.0 100.0
#dump 1 all atom 30 dump.ci-reax.lammpstrj
run 3000
WARNING: Total cutoff < 2*bond cutoff. May need to use an increased neighbor list skin. (../pair_reaxc.cpp:392)
Neighbor list info ...
update every 1 steps, delay 10 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 9.5
ghost atom cutoff = 9.5
binsize = 4.75, bins = 5 5 5
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reax/c, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: half/ghost/bin/3d/newtoff
bin: standard
(2) pair table, perpetual
attributes: half, newton on
pair build: half/bin/atomonly/newton
stencil: half/bin/3d/newton
bin: standard
Per MPI rank memory allocation (min/avg/max) = 43.46 | 43.46 | 43.46 Mbytes
Step Temp E_pair E_mol TotEng Press
0 508.42043 -28736.654 0 -28260.785 1678.3276
3000 480.41333 -28707.835 0 -28258.181 -3150.0762
Loop time of 45.3959 on 1 procs for 3000 steps with 315 atoms
Performance: 1.427 ns/day, 16.813 hours/ns, 66.085 timesteps/s
96.6% CPU use with 1 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 44.955 | 44.955 | 44.955 | 0.0 | 99.03
Neigh | 0.29903 | 0.29903 | 0.29903 | 0.0 | 0.66
Comm | 0.056547 | 0.056547 | 0.056547 | 0.0 | 0.12
Output | 4.8399e-05 | 4.8399e-05 | 4.8399e-05 | 0.0 | 0.00
Modify | 0.058722 | 0.058722 | 0.058722 | 0.0 | 0.13
Other | | 0.02632 | | | 0.06
Nlocal: 315 ave 315 max 315 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 2056 ave 2056 max 2056 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 32754 ave 32754 max 32754 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 32754
Ave neighs/atom = 103.981
Neighbor list builds = 37
Dangerous builds = 0
Please see the log.cite file for references relevant to this simulation
Total wall time: 0:00:45

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@ -1,86 +0,0 @@
LAMMPS (8 Mar 2018)
using 1 OpenMP thread(s) per MPI task
#ci-reax potential for CH systems with tabulated ZBL correction
atom_style charge
units real
read_data CH4.dat
orthogonal box = (0 0 0) to (20 20 20)
1 by 2 by 2 MPI processor grid
reading atoms ...
315 atoms
reading velocities ...
315 velocities
pair_style hybrid/overlay reax/c control checkqeq no table linear 11000
pair_coeff * * reax/c ffield.ci-reax.CH C H
Reading potential file ffield.ci-reax.CH with DATE: 2017-11-20
pair_coeff 1 1 table ci-reaxFF_ZBL.dat CC_cireaxFF
WARNING: 2 of 10000 force values in table are inconsistent with -dE/dr.
Should only be flagged at inflection points (../pair_table.cpp:481)
pair_coeff 1 2 table ci-reaxFF_ZBL.dat CH_cireaxFF
WARNING: 2 of 11000 force values in table are inconsistent with -dE/dr.
Should only be flagged at inflection points (../pair_table.cpp:481)
pair_coeff 2 2 table ci-reaxFF_ZBL.dat HH_cireaxFF
WARNING: 2 of 6000 force values in table are inconsistent with -dE/dr.
Should only be flagged at inflection points (../pair_table.cpp:481)
timestep 0.25
fix 1 all nve
fix 2 all temp/berendsen 500.0 500.0 100.0
#dump 1 all atom 30 dump.ci-reax.lammpstrj
run 3000
WARNING: Total cutoff < 2*bond cutoff. May need to use an increased neighbor list skin. (../pair_reaxc.cpp:392)
Neighbor list info ...
update every 1 steps, delay 10 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 9.5
ghost atom cutoff = 9.5
binsize = 4.75, bins = 5 5 5
2 neighbor lists, perpetual/occasional/extra = 2 0 0
(1) pair reax/c, perpetual
attributes: half, newton off, ghost
pair build: half/bin/newtoff/ghost
stencil: half/ghost/bin/3d/newtoff
bin: standard
(2) pair table, perpetual
attributes: half, newton on
pair build: half/bin/atomonly/newton
stencil: half/bin/3d/newton
bin: standard
Per MPI rank memory allocation (min/avg/max) = 24.48 | 25.61 | 27.27 Mbytes
Step Temp E_pair E_mol TotEng Press
0 508.42043 -28736.654 0 -28260.785 1678.3276
3000 480.41333 -28707.835 0 -28258.181 -3150.0762
Loop time of 24.7034 on 4 procs for 3000 steps with 315 atoms
Performance: 2.623 ns/day, 9.149 hours/ns, 121.441 timesteps/s
95.8% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 18.945 | 21.367 | 24.046 | 39.3 | 86.49
Neigh | 0.1456 | 0.15254 | 0.16101 | 1.6 | 0.62
Comm | 0.39168 | 3.0859 | 5.5185 | 103.9 | 12.49
Output | 3.5763e-05 | 4.065e-05 | 5.2452e-05 | 0.0 | 0.00
Modify | 0.05831 | 0.068811 | 0.077666 | 2.9 | 0.28
Other | | 0.0292 | | | 0.12
Nlocal: 78.75 ave 96 max 65 min
Histogram: 2 0 0 0 0 0 0 1 0 1
Nghost: 1233 ave 1348 max 1116 min
Histogram: 1 0 1 0 0 0 0 1 0 1
Neighs: 9467.25 ave 12150 max 7160 min
Histogram: 1 1 0 0 0 0 0 1 0 1
Total # of neighbors = 37869
Ave neighs/atom = 120.219
Neighbor list builds = 37
Dangerous builds = 0
Please see the log.cite file for references relevant to this simulation
Total wall time: 0:00:24