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lammps/test-user-omp/bench_granular/log.granular.4
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LAMMPS (21 Jun 2012-ICMS)
# granular chute flow
units lj
atom_style sphere
boundary p p fs
newton off
communicate single vel yes
read_data data.granular
orthogonal box = (0 0 0) to (40 20 37.2886)
2 by 1 by 2 MPI processor grid
32000 atoms
32000 velocities
pair_style gran/hooke/history 200000.0 NULL 50.0 NULL 0.5 0
pair_coeff * *
neighbor 0.1 bin
neigh_modify delay 5 every 1
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 1.0 chute 26.0
fix 2 bottom freeze
fix 3 active nve/sphere
compute 1 all erotate/sphere
thermo_style custom step atoms ke c_1 vol
thermo_modify norm no
thermo 10
run 100
Memory usage per processor = 15.2765 Mbytes
Step Atoms KinEng 1 Volume
0 32000 784139.13 1601.1263 29833.783
10 32000 784172.15 1578.6672 29833.783
20 32000 784180.74 1564.4715 29833.783
30 32000 784191.05 1569.3357 29833.783
40 32000 784209.13 1574.3198 29834.249
50 32000 784222.37 1577.1979 29834.249
60 32000 784235.99 1579.3619 29834.249
70 32000 784252.68 1580.8855 29834.707
80 32000 784267.09 1578.0056 29834.707
90 32000 784277.54 1573.5702 29834.707
100 32000 784292.08 1571.0968 29834.707
Loop time of 0.20521 on 4 procs for 100 steps with 32000 atoms
Pair time (%) = 0.109158 (53.193)
Neigh time (%) = 0.0189105 (9.21519)
Comm time (%) = 0.0198687 (9.68212)
Output time (%) = 0.00230432 (1.1229)
Modify time (%) = 0.0345995 (16.8605)
Other time (%) = 0.0203697 (9.92625)
Nlocal: 8000 ave 8008 max 7992 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Nghost: 2439 ave 2450 max 2428 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Neighs: 29500.5 ave 30488 max 28513 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Total # of neighbors = 118002
Ave neighs/atom = 3.68756
Neighbor list builds = 2
Dangerous builds = 0
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