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lammps/examples/pour/log.pour.2d.12Feb07.linux.1
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LAMMPS (12 Feb 2007)
# Pour 2d granular particles into container
dimension 2
atom_style granular
boundary p fm p
newton off
region reg block 0 100 0 50 -0.5 0.5 units box
create_box 1 reg
Created 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 0.0 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 100 dump.pour
run 25000
Memory usage per processor = 0.328064 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 3310.8798 0 5000
7000 672 3505.2381 0 5000
8000 672 3325.8942 0 5000
9000 672 3165.2505 0 5000
10000 896 3170.2667 0 5000
11000 896 2944.0565 0 5000
12000 896 2862.9537 0 5000
13000 1000 2862.2101 0 5000
14000 1000 2638.5235 0 5000
15000 1000 2218.2739 0 5000
16000 1000 1583.5051 0 5000
17000 1000 963.53755 0 5000
18000 1000 666.8307 0 5000
19000 1000 339.73655 0 5000
20000 1000 100.52829 0 5000
21000 1000 56.112393 0 5000
22000 1000 47.013733 0 5000
23000 1000 32.615049 0 5000
24000 1000 25.853047 0 5000
25000 1000 17.216223 0 5000
Loop time of 22.8967 on 1 procs for 25000 steps with 1000 atoms
Pair time (%) = 9.27836 (40.5226)
Neigh time (%) = 2.03788 (8.90029)
Comm time (%) = 0.293353 (1.2812)
Outpt time (%) = 1.06686 (4.65942)
Other time (%) = 10.2203 (44.6364)
Nlocal: 1000 ave 1000 max 1000 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 27 ave 27 max 27 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 2441 ave 2441 max 2441 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 2441
Ave neighs/atom = 2.441
Neighbor list builds = 1758
Dangerous builds = 0
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