lammps/bench/log.12Feb07.chute.lmp.fixed...

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LAMMPS (12 Feb 2007)
# LAMMPS benchmark of granular flow
# chute flow of 32000 atoms with frozen base at 26 degrees
units lj
atom_style granular
boundary p p fs
newton off
read_data data.chute
2 by 2 by 2 processor grid
32000 atoms
32000 velocities
pair_style gran/history 200000.0 50.0 0.5 0
neighbor 0.1 bin
neigh_modify every 1 delay 0
timestep 0.0001
group bottom type 2
912 atoms in group bottom
group active subtract all bottom
31088 atoms in group active
neigh_modify exclude group bottom bottom
fix 1 all gravity chute 26.0
fix 2 bottom freeze
fix 3 active nve/gran
thermo_style granular
thermo 100
run 100
Memory usage per processor = 9.31091 Mbytes
Step Atoms KinEng RotKEgrn Volume
0 32000 784139.13 1601.1263 29830.88
100 32000 784289.99 1571.0137 29831.804
Loop time of 0.712546 on 8 procs for 100 steps with 32000 atoms
Pair time (%) = 0.318114 (44.6448)
Neigh time (%) = 0.0166372 (2.33489)
Comm time (%) = 0.164817 (23.1307)
Outpt time (%) = 0.000648975 (0.0910784)
Other time (%) = 0.212329 (29.7986)
Nlocal: 4000 ave 4005 max 3995 min
Histogram: 4 0 0 0 0 0 0 0 0 4
Nghost: 1736.5 ave 1739 max 1734 min
Histogram: 4 0 0 0 0 0 0 0 0 4
Neighs: 15093 ave 15610 max 14576 min
Histogram: 4 0 0 0 0 0 0 0 0 4
Total # of neighbors = 120744
Ave neighs/atom = 3.77325
Neighbor list builds = 2
Dangerous builds = 0