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lammps/examples/pour/log.pour.2d.22Jun07.linux.1
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LAMMPS (22 June 2007)
# Pour 2d granular particles into container
dimension 2
atom_style granular
boundary f fm p
newton off
region reg block 0 100 0 50 -0.5 0.5 units box
create_box 1 reg
Created orthogonal box = (0 0 -0.5) to (100 50 0.5)
1 by 1 by 1 processor grid
neighbor 0.2 bin
neigh_modify delay 0
# IMPORTANT NOTE: these values of stiffness (2000) and timestep (0.001)
# are used in this example file to produce a quick simulation and movie.
# More appropriate values for realistic simulations would be
# k = 2.0e5 and dt = 0.0001, as in bench/in.chute.
pair_style gran/hertzian 2000.0 50.0 0.5 0
timestep 0.001
fix 1 all nve/gran
fix 2 all gravity spherical 90.0 -90.0
fix xwalls all wall/gran xplane 0 100 50 0
fix ywalls all wall/gran yplane 0 NULL 50 0
region slab block 1.0 99.0 30 34.5 -0.5 0.5 units box
fix ins all pour 1000 1 4767548 vol 0.4 10 diam 0.5 1.0 region slab
Particle insertion: 224 every 3000 steps, 1000 by step 12001
fix 3 all enforce2d
thermo_style granular
thermo 1000
thermo_modify lost ignore
compute_modify thermo_temp dynamic yes
dump id all atom 250 dump.pour
run 25000
Memory usage per processor = 0.320435 Mbytes
Step Atoms KinEng RotKEgrn Volume
0 0 -0 0 5000
1000 224 348.20549 0 5000
2000 224 650.98655 0 5000
3000 224 1056.0039 0 5000
4000 448 1941.6817 0 5000
5000 448 2869.092 0 5000
6000 448 3240.26 51.002089 5000
7000 672 3375.857 86.854847 5000
8000 672 3218.9668 120.74194 5000
9000 672 3042.428 99.125785 5000
10000 896 2986.9988 88.590036 5000
11000 896 2829.9925 65.792313 5000
12000 896 2742.7084 65.819834 5000
13000 1000 2708.5986 57.322444 5000
14000 1000 2465.496 61.169722 5000
15000 1000 2053.8397 61.691032 5000
16000 1000 1462.2958 51.138602 5000
17000 1000 829.85835 42.214656 5000
18000 1000 598.95282 32.11476 5000
19000 1000 246.95726 30.259864 5000
20000 1000 36.390829 15.37906 5000
21000 1000 16.970773 8.7787109 5000
22000 1000 11.318963 5.9319445 5000
23000 1000 5.8086775 3.5214371 5000
24000 1000 4.5594534 2.588639 5000
25000 1000 2.1765737 0.75876888 5000
Loop time of 24.7627 on 1 procs for 25000 steps with 1000 atoms
Pair time (%) = 9.848 (39.7695)
Neigh time (%) = 1.90215 (7.68151)
Comm time (%) = 0.123851 (0.500152)
Outpt time (%) = 0.407864 (1.64709)
Other time (%) = 12.4808 (50.4017)
Nlocal: 1000 ave 1000 max 1000 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: 2469 ave 2469 max 2469 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 2469
Ave neighs/atom = 2.469
Neighbor list builds = 1600
Dangerous builds = 0
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