Files
lammps/examples/PACKAGES/dpd-basic/dpd/log.5Apr22.dpd.g++.1
2022-04-05 21:50:36 -04:00

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6.1 KiB
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LAMMPS (24 Mar 2022)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
# DPD Fluid
variable T equal 1.0
variable rc equal 1.0
variable rcD equal 1.2
units lj
boundary p p p
atom_style atomic
dimension 3
newton on
comm_modify vel yes
### create box and configuration
variable L equal 5.0
lattice fcc 3.0
Lattice spacing in x,y,z = 1.1006424 1.1006424 1.1006424
region simBox block 0 ${L} 0 ${L} 0 ${L}
region simBox block 0 5 0 ${L} 0 ${L}
region simBox block 0 5 0 5 0 ${L}
region simBox block 0 5 0 5 0 5
create_box 2 simBox
Created orthogonal box = (0 0 0) to (5.5032121 5.5032121 5.5032121)
1 by 1 by 1 MPI processor grid
#create_atoms 1 region simBox
create_atoms 1 random 100 12456 simBox
Created 100 atoms
using lattice units in orthogonal box = (0 0 0) to (5.5032121 5.5032121 5.5032121)
create_atoms CPU = 0.000 seconds
create_atoms 2 random 100 13245 simBox
Created 100 atoms
using lattice units in orthogonal box = (0 0 0) to (5.5032121 5.5032121 5.5032121)
create_atoms CPU = 0.000 seconds
mass 1 1.0
mass 2 2.0
###
pair_style dpd ${T} ${rc} 3854262
pair_style dpd 1 ${rc} 3854262
pair_style dpd 1 1 3854262
pair_coeff 1 1 25.0 4.5 1.2
pair_coeff 1 2 25.1 4.51 1.21
pair_coeff 2 2 25.2 4.52 1.22
timestep 0.01
run_style verlet
velocity all create ${T} 68768932
velocity all create 1 68768932
thermo_style custom step time temp press
thermo 100
fix 1 all nve
run 5000
generated 0 of 1 mixed pair_coeff terms from geometric mixing rule
Neighbor list info ...
update every 1 steps, delay 10 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 1.52
ghost atom cutoff = 1.52
binsize = 0.76, bins = 8 8 8
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair dpd, perpetual
attributes: half, newton on
pair build: half/bin/atomonly/newton
stencil: half/bin/3d
bin: standard
Per MPI rank memory allocation (min/avg/max) = 3.083 | 3.083 | 3.083 Mbytes
Step Time Temp Press
0 0 1 9.5226009
100 1 1.9913643 9.2036029
200 2 1.6321732 9.2787957
300 3 1.3533438 8.3081433
400 4 1.2125884 8.0809065
500 5 1.0682216 8.0877925
600 6 0.99100473 8.1100319
700 7 0.99731243 7.8225195
800 8 1.0597693 7.8368218
900 9 0.99038588 7.9450569
1000 10 1.077129 7.5857015
1100 11 0.99070336 7.5138128
1200 12 1.013894 7.2794857
1300 13 1.0433203 7.7439871
1400 14 1.0285528 7.5662235
1500 15 0.99180601 7.8376313
1600 16 0.98059071 8.0243735
1700 17 1.0070947 8.3186893
1800 18 0.99507569 7.0786393
1900 19 1.0040168 7.8120389
2000 20 0.98636164 7.472185
2100 21 0.95811165 7.7085985
2200 22 0.93568327 6.9424246
2300 23 0.92804144 8.1239435
2400 24 0.94940276 7.6108611
2500 25 1.0535153 8.0772721
2600 26 1.0902144 7.5609768
2700 27 1.0737336 7.8706755
2800 28 0.93074581 7.3699993
2900 29 1.0440705 7.6454988
3000 30 0.93868164 7.841168
3100 31 1.0172025 7.6856163
3200 32 1.0405368 7.5325735
3300 33 0.96721201 7.8262809
3400 34 0.90430758 7.1693921
3500 35 0.89938433 7.865845
3600 36 0.9907178 7.3462971
3700 37 1.0311879 7.8876401
3800 38 0.98339132 7.3413929
3900 39 1.2111264 8.0968408
4000 40 1.062489 7.7315959
4100 41 0.94737492 7.3386028
4200 42 1.0453816 8.2017304
4300 43 0.97024897 7.7379624
4400 44 0.9553861 7.8047635
4500 45 1.043252 7.7486215
4600 46 0.98611474 8.1237053
4700 47 0.98624285 8.5801642
4800 48 0.97176754 7.1540299
4900 49 1.0165401 7.3853841
5000 50 0.88359115 7.5541592
Loop time of 0.359916 on 1 procs for 5000 steps with 200 atoms
Performance: 12002788.048 tau/day, 13892.116 timesteps/s
99.5% CPU use with 1 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.24932 | 0.24932 | 0.24932 | 0.0 | 69.27
Neigh | 0.068726 | 0.068726 | 0.068726 | 0.0 | 19.10
Comm | 0.028691 | 0.028691 | 0.028691 | 0.0 | 7.97
Output | 0.00066318 | 0.00066318 | 0.00066318 | 0.0 | 0.18
Modify | 0.0078062 | 0.0078062 | 0.0078062 | 0.0 | 2.17
Other | | 0.004713 | | | 1.31
Nlocal: 200 ave 200 max 200 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 546 ave 546 max 546 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 1649 ave 1649 max 1649 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 1649
Ave neighs/atom = 8.245
Neighbor list builds = 500
Dangerous builds = 500
Total wall time: 0:00:00