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git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@2366 f3b2605a-c512-4ea7-a41b-209d697bcdaa

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This commit is contained in:
sjplimp
2009-01-09 22:18:56 +00:00
parent 0f29eb20fe
commit c8632d65c6
72 changed files with 1528 additions and 2163 deletions
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8
examples/pour/in.pour
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@ -16,19 +16,13 @@ neigh_modify delay 0
# k = 2.0e5 and dt = 0.0001, as in bench/in.chute.
pair_style gran/hooke/history 2000.0 NULL 50.0 NULL 0.5 0
#pair_style gran/hertz/history 4000.0 NULL 100.0 NULL 0.5 0
pair_coeff * *
timestep 0.001
variable kn equal 2000.0
variable gamman equal 50.0
#variable kn equal 2000.0*sqrt(2.0)
#variable gamman equal 50.0*sqrt(2.0)
fix 1 all nve/sphere
fix 2 all gravity 1.0 spherical 0.0 -180.0
fix zlower all wall/gran ${kn} NULL ${gamman} NULL 0.5 0 &
fix zlower all wall/gran 2000.0 NULL 50.0 NULL 0.5 0 &
zplane 0.0 2000.0
region slab block -9.0 9.0 -9.0 9.0 10.0 15.0 units box

9
examples/pour/in.pour.2d
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@ -14,21 +14,18 @@ neigh_modify delay 0
# IMPORTANT NOTE: these values of stiffness (4000) 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 = 4.0e5 and dt = 0.0001, as in bench/in.chute (it if were Hertzian).
# k = 4.0e5 and dt = 0.0001, as in bench/in.chute (if it were Hertzian).
pair_style gran/hertz/history 4000.0 NULL 100.0 NULL 0.5 0
pair_coeff * *
timestep 0.001
variable kn equal 2000.0*sqrt(2.0)
variable gamman equal 50.0*sqrt(2.0)
fix 1 all nve/sphere
fix 2 all gravity 1.0 spherical 0.0 -180.0
fix xwalls all wall/gran ${kn} NULL ${gamman} NULL 0 1 &
fix xwalls all wall/gran 4000.0 NULL 100.0 NULL 0 1 &
xplane 0 100
fix ywalls all wall/gran ${kn} NULL ${gamman} NULL 0 1 &
fix ywalls all wall/gran 4000.0 NULL 100.0 NULL 0 1 &
yplane 0 NULL
region slab block 1.0 99.0 30 34.5 -0.5 0.5 units box

137
examples/pour/log.pour.21May08.linux.1
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@ -1,137 +0,0 @@
LAMMPS (21 May 2008)
# Pour granular particles into chute container, then induce flow
atom_style granular
boundary p p fm
newton off
region reg block -10 10 -10 10 -0.5 16 units box
create_box 1 reg
Created orthogonal box = (-10 -10 -0.5) to (10 10 16)
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/history 2000.0 50.0 0.5 0
timestep 0.001
fix 1 all nve/sphere
fix 2 all gravity 1.0 spherical 0.0 -180.0
fix zlower all wall/gran zplane 0.0 2000.0 50.0 0.5
region slab block -9.0 9.0 -9.0 9.0 10.0 15.0 units box
fix ins all pour 3000 1 300719 vol 0.13 50 region slab
Particle insertion: 402 every 3162 steps, 3000 by step 22135
compute 1 all erotate/sphere
thermo_style custom step atoms ke c_1 vol
thermo 1000
thermo_modify lost ignore norm no
compute_modify thermo_temp dynamic yes
dump id all atom 1000 dump.pour
run 25000
Memory usage per processor = 3.27422 Mbytes
Step Atoms KinEng 1 Volume
0 0 -0 0 6600
1000 402 779.98578 0 6600
2000 402 1424.4252 0 6600
3000 402 1424.6738 13.243803 6600
4000 804 1725.9135 47.193854 6600
5000 804 1605.9404 61.336034 6600
6000 804 1364.6108 67.554058 6600
7000 1206 1511.4113 74.376707 6600
8000 1206 1418.913 57.671895 6600
9000 1206 1255.7489 48.517269 6600
10000 1608 1395.1949 50.233076 6600
11000 1608 1231.4271 49.441618 6600
12000 1608 1178.1027 41.300781 6600
13000 2010 1318.0975 45.154764 6600
14000 2010 1168.906 45.046369 6600
15000 2010 991.83164 47.199522 6600
16000 2412 1030.5908 42.172928 6600
17000 2412 1040.764 42.35251 6600
18000 2412 915.48473 38.944011 6600
19000 2814 1004.7982 37.785123 6600
20000 2814 943.31525 40.195691 6600
21000 2814 775.08206 46.791635 6600
22000 2814 506.44822 40.426627 6600
23000 3000 422.1483 32.45423 6600
24000 3000 365.17401 21.632169 6600
25000 3000 220.87181 24.123943 6600
Loop time of 20.231 on 1 procs for 25000 steps with 3000 atoms
Pair time (%) = 13.4518 (66.4912)
Neigh time (%) = 1.66174 (8.21387)
Comm time (%) = 0.362025 (1.78946)
Outpt time (%) = 0.066838 (0.330375)
Other time (%) = 4.68855 (23.1751)
Nlocal: 3000 ave 3000 max 3000 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 676 ave 676 max 676 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 13442 ave 13442 max 13442 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 13442
Ave neighs/atom = 4.48067
Neighbor list builds = 1152
Dangerous builds = 0
unfix ins
fix 2 all gravity 1.0 chute 26.0
run 25000
Memory usage per processor = 9.91094 Mbytes
Step Atoms KinEng 1 Volume
25000 3000 220.87181 24.123943 6600
26000 3000 108.79862 20.458515 6600
27000 3000 112.95727 12.664104 6600
28000 3000 215.54144 11.782398 6600
29000 3000 371.54504 14.420759 6600
30000 3000 566.41521 19.512827 6600
31000 3000 806.02711 27.02433 6600
32000 3000 1120.8523 29.184297 6600
33000 3000 1463.1136 39.128552 6600
34000 3000 1891.5244 40.587604 6600
35000 3000 2385.1262 50.786058 6600
36000 3000 3032.2477 61.683546 6600
37000 3000 3641.4351 73.734062 6600
38000 3000 4437.2989 80.156198 6600
39000 3000 5121.4213 91.975359 6600
40000 3000 6104.1682 107.37087 6600
41000 3000 7037.7666 111.54587 6600
42000 3000 8098.2378 127.03506 6600
43000 3000 9264.5588 136.68653 6600
44000 3000 10435.983 166.01939 6600
45000 3000 11791.776 174.23082 6600
46000 3000 13107.257 187.32711 6600
47000 3000 14573.417 198.76957 6600
48000 3000 16081.514 219.64212 6600
49000 3000 17731.002 236.51098 6600
50000 3000 19431.348 255.96964 6600
Loop time of 39.3461 on 1 procs for 25000 steps with 3000 atoms
Pair time (%) = 28.4144 (72.2164)
Neigh time (%) = 2.58973 (6.58193)
Comm time (%) = 0.766247 (1.94745)
Outpt time (%) = 0.107744 (0.273835)
Other time (%) = 7.46804 (18.9804)
Nlocal: 3000 ave 3000 max 3000 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 760 ave 760 max 760 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 14061 ave 14061 max 14061 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 14061
Ave neighs/atom = 4.687
Neighbor list builds = 826
Dangerous builds = 0

137
examples/pour/log.pour.21May08.linux.4
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@ -1,137 +0,0 @@
LAMMPS (21 May 2008)
# Pour granular particles into chute container, then induce flow
atom_style granular
boundary p p fm
newton off
region reg block -10 10 -10 10 -0.5 16 units box
create_box 1 reg
Created orthogonal box = (-10 -10 -0.5) to (10 10 16)
2 by 2 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/history 2000.0 50.0 0.5 0
timestep 0.001
fix 1 all nve/sphere
fix 2 all gravity 1.0 spherical 0.0 -180.0
fix zlower all wall/gran zplane 0.0 2000.0 50.0 0.5
region slab block -9.0 9.0 -9.0 9.0 10.0 15.0 units box
fix ins all pour 3000 1 300719 vol 0.13 50 region slab
Particle insertion: 402 every 3162 steps, 3000 by step 22135
compute 1 all erotate/sphere
thermo_style custom step atoms ke c_1 vol
thermo 1000
thermo_modify lost ignore norm no
compute_modify thermo_temp dynamic yes
dump id all atom 1000 dump.pour
run 25000
Memory usage per processor = 3.14935 Mbytes
Step Atoms KinEng 1 Volume
0 0 -0 0 6600
1000 402 779.98578 0 6600
2000 402 1424.4252 0 6600
3000 402 1424.6738 13.243803 6600
4000 804 1725.4319 47.250762 6600
5000 804 1605.2015 60.084404 6600
6000 804 1371.3425 69.247899 6600
7000 1206 1524.3574 74.071529 6600
8000 1206 1418.8999 60.727347 6600
9000 1206 1258.0064 51.943448 6600
10000 1608 1391.6571 50.505619 6600
11000 1608 1232.8265 50.877674 6600
12000 1608 1195.2804 46.358334 6600
13000 2010 1315.8232 49.633638 6600
14000 2010 1171.0007 43.965336 6600
15000 2010 984.42685 42.714353 6600
16000 2412 1028.8418 41.732668 6600
17000 2412 1016.9257 44.039977 6600
18000 2412 911.33181 36.804113 6600
19000 2814 1002.0117 38.864202 6600
20000 2814 960.38825 45.167894 6600
21000 2814 747.55191 45.970768 6600
22000 2814 523.67155 43.946925 6600
23000 3000 438.80433 35.866677 6600
24000 3000 350.60693 23.380222 6600
25000 3000 232.00186 22.76523 6600
Loop time of 12.3364 on 4 procs for 25000 steps with 3000 atoms
Pair time (%) = 3.62034 (29.3469)
Neigh time (%) = 0.423409 (3.4322)
Comm time (%) = 4.89279 (39.6614)
Outpt time (%) = 0.0863795 (0.700201)
Other time (%) = 3.31347 (26.8593)
Nlocal: 750 ave 763 max 730 min
Histogram: 1 0 0 0 1 0 0 0 0 2
Nghost: 393.25 ave 404 max 387 min
Histogram: 1 0 2 0 0 0 0 0 0 1
Neighs: 3584.25 ave 3654 max 3500 min
Histogram: 1 0 0 0 1 0 0 1 0 1
Total # of neighbors = 14337
Ave neighs/atom = 4.779
Neighbor list builds = 1151
Dangerous builds = 0
unfix ins
fix 2 all gravity 1.0 chute 26.0
run 25000
Memory usage per processor = 9.68018 Mbytes
Step Atoms KinEng 1 Volume
25000 3000 232.00186 22.76523 6600
26000 3000 106.03482 19.110968 6600
27000 3000 117.35702 11.863221 6600
28000 3000 210.16302 11.734546 6600
29000 3000 364.51031 13.978019 6600
30000 3000 615.67035 19.096214 6600
31000 3000 903.47015 29.320372 6600
32000 3000 1251.3923 32.674763 6600
33000 3000 1705.6441 43.39215 6600
34000 3000 2196.1688 50.259234 6600
35000 3000 2774.3046 56.750935 6600
36000 3000 3390.0639 66.826889 6600
37000 3000 4108.0306 80.340967 6600
38000 3000 4931.8421 82.362753 6600
39000 3000 5798.3775 99.330342 6600
40000 3000 6729.1245 110.92274 6600
41000 3000 7780.6383 123.43956 6600
42000 3000 8927.2592 135.00244 6600
43000 3000 10032.341 144.35759 6600
44000 3000 11220.512 163.73946 6600
45000 3000 12527.526 182.56044 6600
46000 3000 14021.788 208.42883 6600
47000 3000 15724.627 221.7706 6600
48000 3000 17394.628 231.95039 6600
49000 3000 19056.668 255.27889 6600
50000 3000 20908.007 287.26263 6600
Loop time of 18.252 on 4 procs for 25000 steps with 3000 atoms
Pair time (%) = 7.67562 (42.0535)
Neigh time (%) = 0.668073 (3.66027)
Comm time (%) = 5.45432 (29.8833)
Outpt time (%) = 0.128624 (0.704711)
Other time (%) = 4.3254 (23.6982)
Nlocal: 750 ave 760 max 743 min
Histogram: 1 0 1 1 0 0 0 0 0 1
Nghost: 406 ave 408 max 402 min
Histogram: 1 0 0 0 0 0 1 0 0 2
Neighs: 3714 ave 3765 max 3659 min
Histogram: 1 0 0 0 1 1 0 0 0 1
Total # of neighbors = 14856
Ave neighs/atom = 4.952
Neighbor list builds = 850
Dangerous builds = 0

90
examples/pour/log.pour.2d.21May08.linux.1
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@ -1,90 +0,0 @@
LAMMPS (21 May 2008)
# 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/sphere
fix 2 all gravity 1.0 spherical 0.0 -180.0
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
compute 1 all erotate/sphere
thermo_style custom step atoms ke c_1 vol
thermo 1000
thermo_modify lost ignore norm no
compute_modify thermo_temp dynamic yes
dump id all atom 250 dump.pour
run 25000
Memory usage per processor = 3.12551 Mbytes
Step Atoms KinEng 1 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 3244.0285 59.709037 5000
7000 672 3381.9514 72.635418 5000
8000 672 3209.9845 135.37739 5000
9000 672 3037.2686 125.65507 5000
10000 896 2983.0247 113.16927 5000
11000 896 2808.8482 72.058343 5000
12000 896 2750.718 73.383261 5000
13000 1000 2726.6048 65.657144 5000
14000 1000 2512.3122 60.161228 5000
15000 1000 2081.7342 49.717007 5000
16000 1000 1454.4989 55.593577 5000
17000 1000 838.42356 47.392952 5000
18000 1000 591.78268 31.70284 5000
19000 1000 267.16614 26.169498 5000
20000 1000 39.186825 15.992488 5000
21000 1000 25.943515 7.3119929 5000
22000 1000 15.094337 4.2244747 5000
23000 1000 8.3263828 2.7944168 5000
24000 1000 4.0127427 1.5742141 5000
25000 1000 1.6900361 0.87976982 5000
Loop time of 6.8258 on 1 procs for 25000 steps with 1000 atoms
Pair time (%) = 3.86265 (56.5889)
Neigh time (%) = 0.370904 (5.43385)
Comm time (%) = 0.0147769 (0.216486)
Outpt time (%) = 0.113987 (1.66994)
Other time (%) = 2.46349 (36.0908)
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: 2475 ave 2475 max 2475 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 2475
Ave neighs/atom = 2.475
Neighbor list builds = 1627
Dangerous builds = 0

90
examples/pour/log.pour.2d.21May08.linux.4
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@ -1,90 +0,0 @@
LAMMPS (21 May 2008)
# 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)
2 by 2 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/sphere
fix 2 all gravity 1.0 spherical 0.0 -180.0
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
compute 1 all erotate/sphere
thermo_style custom step atoms ke c_1 vol
thermo 1000
thermo_modify lost ignore norm no
compute_modify thermo_temp dynamic yes
dump id all atom 250 dump.pour
run 25000
Memory usage per processor = 3.09867 Mbytes
Step Atoms KinEng 1 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 3244.0285 59.709037 5000
7000 672 3381.9514 72.635418 5000
8000 672 3209.9845 135.37739 5000
9000 672 3037.2686 125.65507 5000
10000 896 2983.0247 113.16927 5000
11000 896 2808.8482 72.058343 5000
12000 896 2750.718 73.383261 5000
13000 1000 2726.6044 65.656874 5000
14000 1000 2512.4219 59.997862 5000
15000 1000 2086.6017 51.808696 5000
16000 1000 1465.7682 53.531804 5000
17000 1000 830.37814 47.232643 5000
18000 1000 598.17657 29.282204 5000
19000 1000 253.30511 31.894452 5000
20000 1000 37.347525 17.140954 5000
21000 1000 20.803138 8.8531328 5000
22000 1000 15.095346 4.8904454 5000
23000 1000 8.7452294 2.3928721 5000
24000 1000 5.0388199 1.1642031 5000
25000 1000 3.4373452 0.74346362 5000
Loop time of 9.49783 on 4 procs for 25000 steps with 1000 atoms
Pair time (%) = 1.01844 (10.7229)
Neigh time (%) = 0.101886 (1.07273)
Comm time (%) = 3.84115 (40.4424)
Outpt time (%) = 0.142735 (1.50282)
Other time (%) = 4.39362 (46.2592)
Nlocal: 250 ave 505 max 0 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Nghost: 5.25 ave 11 max 0 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Neighs: 627.25 ave 1265 max 0 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Total # of neighbors = 2509
Ave neighs/atom = 2.509
Neighbor list builds = 1627
Dangerous builds = 0

92
examples/pour/log.pour.2d.9Jan09.linux.1 Normal file
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@ -0,0 +1,92 @@
LAMMPS (9 Jan 2009)
# 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 (4000) 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 = 4.0e5 and dt = 0.0001, as in bench/in.chute (if it were Hertzian).
pair_style gran/hertz/history 4000.0 NULL 100.0 NULL 0.5 0
pair_coeff * *
timestep 0.001
fix 1 all nve/sphere
fix 2 all gravity 1.0 spherical 0.0 -180.0
fix xwalls all wall/gran 4000.0 NULL 100.0 NULL 0 1 xplane 0 100
fix ywalls all wall/gran 4000.0 NULL 100.0 NULL 0 1 yplane 0 NULL
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
compute 1 all erotate/sphere
thermo_style custom step atoms ke c_1 vol
thermo 1000
thermo_modify lost ignore norm no
compute_modify thermo_temp dynamic yes
dump id all atom 250 dump.pour
run 25000
Memory usage per processor = 3.12551 Mbytes
Step Atoms KinEng 1 Volume
0 0 -0 0 5000
1000 224 185.87695 0 5000
2000 224 348.08417 0 5000
3000 224 565.2162 0 5000
4000 448 1042.9716 0 5000
5000 448 1542.0614 0 5000
6000 448 1766.5136 41.192729 5000
7000 672 1846.4596 67.352592 5000
8000 672 1814.3429 92.898167 5000
9000 672 1662.3648 111.88801 5000
10000 896 1655.1685 91.582481 5000
11000 896 1548.9965 69.469111 5000
12000 896 1479.7629 70.572203 5000
13000 1000 1465.2011 63.096293 5000
14000 1000 1382.7756 55.700126 5000
15000 1000 1129.5018 59.325005 5000
16000 1000 780.39381 51.722229 5000
17000 1000 458.39702 39.102301 5000
18000 1000 325.65355 33.121893 5000
19000 1000 153.28819 28.503721 5000
20000 1000 38.866588 18.969909 5000
21000 1000 21.899726 11.381564 5000
22000 1000 17.395375 7.9553641 5000
23000 1000 14.942624 5.4712014 5000
24000 1000 14.298296 3.7004021 5000
25000 1000 10.908914 2.5500866 5000
Loop time of 5.58182 on 1 procs for 25000 steps with 1000 atoms
Pair time (%) = 2.58339 (46.2823)
Neigh time (%) = 0.468648 (8.39597)
Comm time (%) = 0.0169234 (0.303188)
Outpt time (%) = 0.124487 (2.23023)
Other time (%) = 2.38837 (42.7884)
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: 2345 ave 2345 max 2345 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 2345
Ave neighs/atom = 2.345
Neighbor list builds = 2003
Dangerous builds = 0

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examples/pour/log.pour.2d.9Jan09.linux.4 Normal file
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LAMMPS (9 Jan 2009)
# 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)
2 by 2 by 1 processor grid
neighbor 0.2 bin
neigh_modify delay 0
# IMPORTANT NOTE: these values of stiffness (4000) 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 = 4.0e5 and dt = 0.0001, as in bench/in.chute (if it were Hertzian).
pair_style gran/hertz/history 4000.0 NULL 100.0 NULL 0.5 0
pair_coeff * *
timestep 0.001
fix 1 all nve/sphere
fix 2 all gravity 1.0 spherical 0.0 -180.0
fix xwalls all wall/gran 4000.0 NULL 100.0 NULL 0 1 xplane 0 100
fix ywalls all wall/gran 4000.0 NULL 100.0 NULL 0 1 yplane 0 NULL
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
compute 1 all erotate/sphere
thermo_style custom step atoms ke c_1 vol
thermo 1000
thermo_modify lost ignore norm no
compute_modify thermo_temp dynamic yes
dump id all atom 250 dump.pour
run 25000
Memory usage per processor = 3.09867 Mbytes
Step Atoms KinEng 1 Volume
0 0 -0 0 5000
1000 224 185.87695 0 5000
2000 224 348.08417 0 5000
3000 224 565.2162 0 5000
4000 448 1042.9716 0 5000
5000 448 1542.0614 0 5000
6000 448 1766.5136 41.192729 5000
7000 672 1846.4596 67.352592 5000
8000 672 1814.3429 92.898167 5000
9000 672 1662.3648 111.88799 5000
10000 896 1655.125 91.578709 5000
11000 896 1546.5099 68.353546 5000
12000 896 1488.3206 63.093653 5000
13000 1000 1472.7884 63.264895 5000
14000 1000 1350.9929 58.866496 5000
15000 1000 1126.2091 53.39001 5000
16000 1000 775.19591 47.163663 5000
17000 1000 462.54742 36.374865 5000
18000 1000 322.60937 33.031626 5000
19000 1000 160.04046 26.257897 5000
20000 1000 40.072577 19.856191 5000
21000 1000 22.672764 12.438808 5000
22000 1000 19.836445 8.3560791 5000
23000 1000 17.306905 5.9793834 5000
24000 1000 11.279762 4.4282943 5000
25000 1000 7.9522912 3.0106259 5000
Loop time of 8.10175 on 4 procs for 25000 steps with 1000 atoms
Pair time (%) = 0.703973 (8.68914)
Neigh time (%) = 0.138409 (1.70839)
Comm time (%) = 3.44851 (42.565)
Outpt time (%) = 0.143437 (1.77044)
Other time (%) = 3.66742 (45.267)
Nlocal: 250 ave 506 max 0 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Nghost: 6.5 ave 14 max 0 min
Histogram: 2 0 0 0 0 0 0 0 1 1
Neighs: 596.75 ave 1220 max 0 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Total # of neighbors = 2387
Ave neighs/atom = 2.387
Neighbor list builds = 2012
Dangerous builds = 0

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LAMMPS (9 Jan 2009)
# Pour granular particles into chute container, then induce flow
atom_style granular
boundary p p fm
newton off
region reg block -10 10 -10 10 -0.5 16 units box
create_box 1 reg
Created orthogonal box = (-10 -10 -0.5) to (10 10 16)
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/hooke/history 2000.0 NULL 50.0 NULL 0.5 0
pair_coeff * *
timestep 0.001
fix 1 all nve/sphere
fix 2 all gravity 1.0 spherical 0.0 -180.0
fix zlower all wall/gran 2000.0 NULL 50.0 NULL 0.5 0 zplane 0.0 2000.0
region slab block -9.0 9.0 -9.0 9.0 10.0 15.0 units box
fix ins all pour 3000 1 300719 vol 0.13 50 region slab
Particle insertion: 402 every 3162 steps, 3000 by step 22135
compute 1 all erotate/sphere
thermo_style custom step atoms ke c_1 vol
thermo 1000
thermo_modify lost ignore norm no
compute_modify thermo_temp dynamic yes
dump id all atom 1000 dump.pour
run 25000
Memory usage per processor = 3.27422 Mbytes
Step Atoms KinEng 1 Volume
0 0 -0 0 6600
1000 402 779.98578 0 6600
2000 402 1424.4252 0 6600
3000 402 1425.0863 12.9927 6600
4000 804 1724.8532 47.325647 6600
5000 804 1598.6681 64.779741 6600
6000 804 1364.8231 61.75911 6600
7000 1206 1519.7287 69.028648 6600
8000 1206 1409.6162 62.604955 6600
9000 1206 1243.5289 52.989304 6600
10000 1608 1403.0715 56.947496 6600
11000 1608 1225.5051 53.148098 6600
12000 1608 1177.2277 39.979685 6600
13000 2010 1311.8646 51.558467 6600
14000 2010 1185.4133 41.378592 6600
15000 2010 1011.191 43.692162 6600
16000 2412 1032.6584 39.553223 6600
17000 2412 1033.4355 38.945322 6600
18000 2412 901.12007 39.188057 6600
19000 2814 1011.9993 39.947989 6600
20000 2814 947.9512 42.721247 6600
21000 2814 765.21528 44.2837 6600
22000 2814 525.72722 40.447908 6600
23000 3000 441.40926 35.36385 6600
24000 3000 364.74917 21.143658 6600
25000 3000 226.43958 23.004948 6600
Loop time of 17.1865 on 1 procs for 25000 steps with 3000 atoms
Pair time (%) = 10.5268 (61.2505)
Neigh time (%) = 1.70033 (9.89342)
Comm time (%) = 0.360461 (2.09736)
Outpt time (%) = 0.0720272 (0.419093)
Other time (%) = 4.52685 (26.3396)
Nlocal: 3000 ave 3000 max 3000 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 675 ave 675 max 675 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 13621 ave 13621 max 13621 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 13621
Ave neighs/atom = 4.54033
Neighbor list builds = 1154
Dangerous builds = 0
unfix ins
fix 2 all gravity 1.0 chute 26.0
run 25000
Memory usage per processor = 9.91158 Mbytes
Step Atoms KinEng 1 Volume
25000 3000 226.43958 23.004948 6600
26000 3000 103.0702 17.682073 6600
27000 3000 95.394405 11.949986 6600
28000 3000 172.26025 12.011498 6600
29000 3000 297.64398 13.417128 6600
30000 3000 457.07299 16.932675 6600
31000 3000 664.70728 23.266708 6600
32000 3000 948.6645 30.928321 6600
33000 3000 1273.5422 34.429485 6600
34000 3000 1646.8998 41.345835 6600
35000 3000 2104.7359 44.292196 6600
36000 3000 2626.0464 54.944189 6600
37000 3000 3249.526 69.167279 6600
38000 3000 3952.1184 71.112428 6600
39000 3000 4701.9123 87.404535 6600
40000 3000 5466.3798 94.072063 6600
41000 3000 6287.0047 104.38137 6600
42000 3000 7265.3533 114.14633 6600
43000 3000 8282.7127 127.70737 6600
44000 3000 9296.7101 140.77118 6600
45000 3000 10314.529 141.66143 6600
46000 3000 11565.234 161.47359 6600
47000 3000 12741.958 171.18404 6600
48000 3000 14065.725 190.17293 6600
49000 3000 15484.049 207.26412 6600
50000 3000 16936.074 211.47138 6600
Loop time of 33.598 on 1 procs for 25000 steps with 3000 atoms
Pair time (%) = 22.877 (68.0902)
Neigh time (%) = 2.59223 (7.71543)
Comm time (%) = 0.776961 (2.31252)
Outpt time (%) = 0.117422 (0.349491)
Other time (%) = 7.23445 (21.5323)
Nlocal: 3000 ave 3000 max 3000 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 760 ave 760 max 760 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 13990 ave 13990 max 13990 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 13990
Ave neighs/atom = 4.66333
Neighbor list builds = 802
Dangerous builds = 0

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LAMMPS (9 Jan 2009)
# Pour granular particles into chute container, then induce flow
atom_style granular
boundary p p fm
newton off
region reg block -10 10 -10 10 -0.5 16 units box
create_box 1 reg
Created orthogonal box = (-10 -10 -0.5) to (10 10 16)
2 by 2 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/hooke/history 2000.0 NULL 50.0 NULL 0.5 0
pair_coeff * *
timestep 0.001
fix 1 all nve/sphere
fix 2 all gravity 1.0 spherical 0.0 -180.0
fix zlower all wall/gran 2000.0 NULL 50.0 NULL 0.5 0 zplane 0.0 2000.0
region slab block -9.0 9.0 -9.0 9.0 10.0 15.0 units box
fix ins all pour 3000 1 300719 vol 0.13 50 region slab
Particle insertion: 402 every 3162 steps, 3000 by step 22135
compute 1 all erotate/sphere
thermo_style custom step atoms ke c_1 vol
thermo 1000
thermo_modify lost ignore norm no
compute_modify thermo_temp dynamic yes
dump id all atom 1000 dump.pour
run 25000
Memory usage per processor = 3.14935 Mbytes
Step Atoms KinEng 1 Volume
0 0 -0 0 6600
1000 402 779.98578 0 6600
2000 402 1424.4252 0 6600
3000 402 1425.0863 12.9927 6600
4000 804 1724.8627 47.36161 6600
5000 804 1599.9516 63.808734 6600
6000 804 1359.1774 63.495338 6600
7000 1206 1532.7896 68.602762 6600
8000 1206 1403.019 62.696462 6600
9000 1206 1246.5766 52.235655 6600
10000 1608 1384.2625 50.982242 6600
11000 1608 1243.1052 51.141884 6600
12000 1608 1195.3028 40.935179 6600
13000 2010 1328.4985 50.722781 6600
14000 2010 1198.4098 45.628483 6600
15000 2010 997.57313 41.390864 6600
16000 2412 1037.0841 43.223404 6600
17000 2412 1018.8984 38.835381 6600
18000 2412 930.69902 35.880622 6600
19000 2814 1007.138 37.703169 6600
20000 2814 967.57176 41.267685 6600
21000 2814 772.7741 44.763252 6600
22000 2814 525.78939 38.98055 6600
23000 3000 429.75161 34.235783 6600
24000 3000 364.4473 21.966186 6600
25000 3000 218.90078 24.596278 6600
Loop time of 12.509 on 4 procs for 25000 steps with 3000 atoms
Pair time (%) = 2.96945 (23.7386)
Neigh time (%) = 0.426037 (3.40585)
Comm time (%) = 5.36602 (42.8974)
Outpt time (%) = 0.0964894 (0.771362)
Other time (%) = 3.65097 (29.1868)
Nlocal: 750 ave 757 max 742 min
Histogram: 1 0 0 1 0 0 0 0 1 1
Nghost: 389.75 ave 396 max 382 min
Histogram: 1 0 0 1 0 0 0 0 1 1
Neighs: 3579 ave 3625 max 3541 min
Histogram: 1 0 0 0 2 0 0 0 0 1
Total # of neighbors = 14316
Ave neighs/atom = 4.772
Neighbor list builds = 1152
Dangerous builds = 0
unfix ins
fix 2 all gravity 1.0 chute 26.0
run 25000
Memory usage per processor = 9.68014 Mbytes
Step Atoms KinEng 1 Volume
25000 3000 218.90078 24.596278 6600
26000 3000 108.47989 19.098297 6600
27000 3000 95.772626 12.451488 6600
28000 3000 168.56408 11.2661 6600
29000 3000 266.55027 12.736385 6600
30000 3000 429.91963 16.099577 6600
31000 3000 653.50177 20.833152 6600
32000 3000 941.4538 27.486019 6600
33000 3000 1287.1593 35.913238 6600
34000 3000 1705.1323 44.1634 6600
35000 3000 2274.278 50.268183 6600
36000 3000 2864.078 55.78932 6600
37000 3000 3565.6924 69.196132 6600
38000 3000 4360.8456 82.984183 6600
39000 3000 5227.4355 101.09226 6600
40000 3000 6138.5626 102.21419 6600
41000 3000 7143.2929 117.41759 6600
42000 3000 8246.8072 123.70515 6600
43000 3000 9409.9225 134.14761 6600
44000 3000 10593.288 157.7653 6600
45000 3000 12018.948 178.91396 6600
46000 3000 13410.044 196.8436 6600
47000 3000 14750.988 191.71558 6600
48000 3000 16088.89 203.0547 6600
49000 3000 17512.26 218.17825 6600
50000 3000 18836.338 213.33912 6600
Loop time of 17.2374 on 4 procs for 25000 steps with 3000 atoms
Pair time (%) = 6.71472 (38.9544)
Neigh time (%) = 0.661141 (3.83551)
Comm time (%) = 5.40643 (31.3646)
Outpt time (%) = 0.14246 (0.826459)
Other time (%) = 4.31264 (25.0191)
Nlocal: 750 ave 757 max 747 min
Histogram: 1 2 0 0 0 0 0 0 0 1
Nghost: 408.5 ave 414 max 402 min
Histogram: 1 0 0 0 0 2 0 0 0 1
Neighs: 3665.75 ave 3717 max 3597 min
Histogram: 1 0 0 0 1 0 0 0 1 1
Total # of neighbors = 14663
Ave neighs/atom = 4.88767
Neighbor list builds = 821
Dangerous builds = 0