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lammps/examples/granular/log.13May23.restitution.g++.1
Axel Kohlmeyer 74f29ba2f3 update example
2024-05-13 14:07:24 -04:00

81 lines
2.8 KiB
Groff

LAMMPS (17 Apr 2024 - Development - patch_17Apr2024-93-g4e7bddaa0b)
using 1 OpenMP thread(s) per MPI task
units si
atom_style sphere
boundary p p f
region box block 0 80e-3 0 40e-3 0 80e-3 open 3 open 4
create_box 2 box
Created orthogonal box = (0 0 0) to (0.08 0.04 0.08)
1 by 1 by 1 MPI processor grid
read_data data.particles add append
Reading data file ...
orthogonal box = (0 0 0) to (0.08 0.04 0.08)
1 by 1 by 1 MPI processor grid
reading atoms ...
2 atoms
reading velocities ...
2 velocities
read_data CPU = 0.002 seconds
group mb type 1
2 atoms in group mb
pair_style granular
pair_coeff * * hertz/material 1e6 0.8 0.4 tangential mindlin NULL 0.0 0.5 damping coeff_restitution
# pair_coeff * * hooke 1e6 0.5 tangential mindlin 1 1.0 0.0 damping coeff_restitution
comm_modify vel yes
timestep 1e-9
fix 1 all nve/sphere
compute s all stress/atom NULL pair
#dump 1 all custom 2000000 op.dump id x y z vx vy vz
#dump_modify 1 pad 8
thermo_style custom step ke
run_style verlet
run 10000000
Generated 0 of 1 mixed pair_coeff terms from geometric mixing rule
Neighbor list info ...
update: every = 1 steps, delay = 0 steps, check = yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 0.005
ghost atom cutoff = 0.005
binsize = 0.0025, bins = 32 16 32
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair granular, perpetual
attributes: half, newton on, size, history
pair build: half/size/bin/atomonly/newton
stencil: half/bin/3d
bin: standard
Per MPI rank memory allocation (min/avg/max) = 10.1 | 10.1 | 10.1 Mbytes
Step KinEng
0 8.3775804e-05
10000000 5.3616513e-05
Loop time of 5.99782 on 1 procs for 10000000 steps with 2 atoms
77.9% CPU use with 1 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.60235 | 0.60235 | 0.60235 | 0.0 | 10.04
Neigh | 0.00021965 | 0.00021965 | 0.00021965 | 0.0 | 0.00
Comm | 1.7939 | 1.7939 | 1.7939 | 0.0 | 29.91
Output | 2.5955e-05 | 2.5955e-05 | 2.5955e-05 | 0.0 | 0.00
Modify | 1.7622 | 1.7622 | 1.7622 | 0.0 | 29.38
Other | | 1.839 | | | 30.66
Nlocal: 2 ave 2 max 2 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 0 ave 0 max 0 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 0 ave 0 max 0 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 0
Ave neighs/atom = 0
Neighbor list builds = 14
Dangerous builds = 0
Total wall time: 0:00:06