Updated examples

This commit is contained in:
jtclemm
2022-12-07 11:41:53 -07:00
parent 1a467233fb
commit f2d866420a
23 changed files with 6795 additions and 4275 deletions

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LAMMPS (15 Sep 2022)
# pouring spheres into container box
units lj
atom_style sphere
boundary f f f
dimension 3
comm_modify vel yes
region box block -10 10 -10 10 -10 10 units box
create_box 2 box
Created orthogonal box = (-10 -10 -10) to (10 10 10)
1 by 1 by 1 MPI processor grid
pair_style hybrid gran/hooke 4000.0 NULL 100.0 NULL 0.5 1
pair_coeff * * gran/hooke
region container block -6 6 -6 6 -6 6 units box
fix container all wall/gran/region hooke/history 4000.0 NULL 100.0 NULL 0.5 1 region container
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
fix 2 all nve/sphere
fix 3 all gravity 1.0 vector 0 0 -1
region slab block -2 2 -2 2 -2 2 units box
fix ins all pour 100 2 4767548 vol 0.4 10 diam one 1.0 region slab ignore
Particle insertion: 48 every 566 steps, 100 by step 1133
timestep 0.005
compute 1 all temp
compute_modify 1 dynamic/dof yes
compute 2 all temp/sphere
compute_modify 2 dynamic/dof yes
thermo 100
thermo_style custom step atoms temp c_1 c_2 press
thermo_modify lost ignore
compute_modify thermo_temp dynamic/dof yes
#dump 2 all image 100 image.*.jpg type type # zoom 1.4 adiam 1.0 box no 0.0 axes yes 0.9 0.03
#dump_modify 2 pad 5
run 5000
Generated 0 of 1 mixed pair_coeff terms from geometric mixing rule
Neighbor list info ...
update: every = 1 steps, delay = 0 steps, check = yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 1.3
ghost atom cutoff = 1.3
binsize = 0.65, bins = 31 31 31
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair gran/hooke, perpetual
attributes: half, newton on, size
pair build: half/size/bin/newton
stencil: half/bin/3d
bin: standard
Per MPI rank memory allocation (min/avg/max) = 0.5861 | 0.5861 | 0.5861 Mbytes
Step Atoms Temp c_1 c_2 Press
0 0 0 0 0 0
WARNING: Less insertions than requested (../fix_pour.cpp:681)
100 30 0.803783 0.803783 0.39507978 0.0029137134
200 30 1.1967995 1.1967995 0.5882574 0.0043383984
300 30 1.2814686 1.2814686 0.62987441 0.0046453238
400 30 0.82331082 0.82331082 0.41173176 0.0029845017
500 30 0.7708462 0.7708462 0.38777784 0.0043831147
WARNING: Less insertions than requested (../fix_pour.cpp:681)
600 64 0.51564897 0.51564897 0.26631577 0.0040059368
700 64 0.57239348 0.57239348 0.29566901 0.0045075987
800 64 0.61837087 0.61837087 0.32195387 0.0048123564
900 64 0.53061888 0.53061888 0.28564763 0.0055906552
1000 64 0.496299 0.496299 0.26801572 0.0061169128
1100 64 0.46068308 0.46068308 0.24699057 0.0055717699
WARNING: Less insertions than requested (../fix_pour.cpp:681)
1200 99 0.39206225 0.39206225 0.21356546 0.0066294211
1300 99 0.38624966 0.38624966 0.21345854 0.0049051051
1400 99 0.35615284 0.35615284 0.19785725 0.0046170772
1500 99 0.31486693 0.31486693 0.17429055 0.0064903432
1600 99 0.26369001 0.26369001 0.15095266 0.0045226847
1700 100 0.1925923 0.1925923 0.11308104 0.007362313
1800 100 0.13724978 0.13724978 0.083276845 0.0058136373
1900 100 0.077212636 0.077212636 0.053159386 0.0016509598
2000 100 0.065294031 0.065294031 0.04372752 0.0020346467
2100 100 0.057431398 0.057431398 0.037977068 0.0012681098
2200 100 0.059093045 0.059093045 0.037435193 0.00096610799
2300 100 0.03422338 0.03422338 0.025491304 0.00069886052
2400 100 0.020558284 0.020558284 0.016163009 0.0017260663
2500 100 0.015339709 0.015339709 0.012329236 0.00041308031
2600 100 0.012891354 0.012891354 0.009766054 0.00030356722
2700 100 0.0092634449 0.0092634449 0.0073580108 0.00077723051
2800 100 0.0073925841 0.0073925841 0.0059932218 0.00016466767
2900 100 0.0081228267 0.0081228267 0.006281761 0.00013828388
3000 100 0.0041833223 0.0041833223 0.0035147096 0.00013160599
3100 100 0.0035930775 0.0035930775 0.0030039922 0.00060639771
3200 100 0.0030824465 0.0030824465 0.0026541293 0.00047391014
3300 100 0.0035087522 0.0035087522 0.0027664508 0.00014080317
3400 100 0.0018537868 0.0018537868 0.0017099705 6.3326674e-05
3500 100 0.0015371228 0.0015371228 0.0014155433 0.00021612522
3600 100 0.001708556 0.001708556 0.0014369892 8.1034202e-05
3700 100 0.00095948652 0.00095948652 0.0009788528 3.4694023e-05
3800 100 0.00091875668 0.00091875668 0.00086805146 3.9373686e-05
3900 100 0.001557068 0.001557068 0.001159526 2.5178607e-05
4000 100 0.00062012451 0.00062012451 0.00066806922 5.6680551e-06
4100 100 0.00060940771 0.00060940771 0.00065614741 1.0137901e-05
4200 100 0.00059538437 0.00059538437 0.00064501521 7.3679744e-06
4300 100 0.00052946048 0.00052946048 0.00059353641 5.9225081e-06
4400 100 0.00051202281 0.00051202281 0.00057524772 3.6198435e-05
4500 100 0.00049986632 0.00049986632 0.00055754521 2.2275519e-05
4600 100 0.00048187334 0.00048187334 0.00053988815 2.2015243e-05
4700 100 0.00045261491 0.00045261491 0.00050298355 8.9681339e-05
4800 100 0.00034965427 0.00034965427 0.0004278781 1.0983535e-05
4900 100 0.00033555621 0.00033555621 0.00041435167 2.9266598e-05
5000 100 0.00031387148 0.00031387148 0.00039605781 2.5628425e-05
Loop time of 0.078687 on 1 procs for 5000 steps with 100 atoms
Performance: 27450544.413 tau/day, 63542.927 timesteps/s, 6.354 Matom-step/s
80.5% CPU use with 1 MPI tasks x no OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.0084151 | 0.0084151 | 0.0084151 | 0.0 | 10.69
Neigh | 0.012728 | 0.012728 | 0.012728 | 0.0 | 16.18
Comm | 0.0056143 | 0.0056143 | 0.0056143 | 0.0 | 7.14
Output | 0.00051411 | 0.00051411 | 0.00051411 | 0.0 | 0.65
Modify | 0.041412 | 0.041412 | 0.041412 | 0.0 | 52.63
Other | | 0.01 | | | 12.71
Nlocal: 100 ave 100 max 100 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: 164 ave 164 max 164 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 164
Ave neighs/atom = 1.64
Neighbor list builds = 281
Dangerous builds = 0
region container delete
variable theta equal (step-5000)*(4.0*PI/5000)
region container block -6 6 -6 6 -6 6 units box rotate v_theta 0 0 0 0 0 1
run 5000
Generated 0 of 1 mixed pair_coeff terms from geometric mixing rule
Neighbor list info ...
update: every = 1 steps, delay = 0 steps, check = yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 1.3
ghost atom cutoff = 1.3
binsize = 0.65, bins = 31 31 31
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair gran/hooke, perpetual
attributes: half, newton on, size
pair build: half/size/bin/newton
stencil: half/bin/3d
bin: standard
Per MPI rank memory allocation (min/avg/max) = 5.837 | 5.837 | 5.837 Mbytes
Step Atoms Temp c_1 c_2 Press
5000 100 0.00031387148 0.00031387148 0.00039605781 2.6174978e-05
5100 100 0.54537023 0.54537023 0.30042175 0.0087427352
5200 100 0.57210852 0.57210852 0.3192468 0.0098134067
5300 100 0.7168108 0.7168108 0.38577893 0.011004584
5400 100 0.78895524 0.78895524 0.41889428 0.013555713
5500 100 0.87797874 0.87797874 0.45689223 0.01565356
5600 100 0.95424379 0.95424379 0.48830429 0.014707858
5700 100 1.0046012 1.0046012 0.51054927 0.01469179
5800 100 1.0371453 1.0371453 0.5262568 0.015576788
5900 100 1.0545743 1.0545743 0.5361173 0.01589889
6000 100 1.0932949 1.0932949 0.55402214 0.017484573
6100 100 1.1148364 1.1148364 0.56241126 0.01721788
6200 100 1.1315267 1.1315267 0.57050887 0.017961246
6300 100 1.1506124 1.1506124 0.58009471 0.017159062
6400 100 1.1663328 1.1663328 0.5876586 0.017935311
6500 100 1.1821086 1.1821086 0.59595162 0.018005316
6600 100 1.2039397 1.2039397 0.60567524 0.021604669
6700 100 1.2269911 1.2269911 0.61770224 0.018907995
6800 100 1.2447035 1.2447035 0.6257652 0.02053766
6900 100 1.2625323 1.2625323 0.63486698 0.020106134
7000 100 1.2617127 1.2617127 0.63318163 0.019670429
7100 100 1.260715 1.260715 0.63311254 0.019810631
7200 100 1.2790404 1.2790404 0.64079001 0.020218903
7300 100 1.2760228 1.2760228 0.6395331 0.021749906
7400 100 1.2799658 1.2799658 0.64139084 0.020472922
7500 100 1.2846473 1.2846473 0.64343085 0.020610025
7600 100 1.2883965 1.2883965 0.64491873 0.02074884
7700 100 1.2926891 1.2926891 0.64684545 0.020599654
7800 100 1.3032201 1.3032201 0.65119455 0.02183405
7900 100 1.3025628 1.3025628 0.65068661 0.021248589
8000 100 1.3052302 1.3052302 0.65208602 0.021399549
8100 100 1.3069867 1.3069867 0.65304849 0.021254794
8200 100 1.3092024 1.3092024 0.6543837 0.021220909
8300 100 1.3101468 1.3101468 0.65519741 0.021328361
8400 100 1.3116005 1.3116005 0.65545253 0.021493555
8500 100 1.3153616 1.3153616 0.65731542 0.021433279
8600 100 1.3164556 1.3164556 0.65791227 0.021531213
8700 100 1.3187245 1.3187245 0.65915974 0.02170181
8800 100 1.3215981 1.3215981 0.66036644 0.022358849
8900 100 1.3206845 1.3206845 0.65984651 0.021901337
9000 100 1.3213046 1.3213046 0.66020378 0.021876353
9100 100 1.3225084 1.3225084 0.66088847 0.021811098
9200 100 1.3240309 1.3240309 0.66180646 0.021768929
9300 100 1.325458 1.325458 0.66280401 0.02165852
9400 100 1.3322968 1.3322968 0.66615126 0.022139018
9500 100 1.3416035 1.3416035 0.67030794 0.022243129
9600 100 1.3353326 1.3353326 0.66692811 0.022622122
9700 100 1.336265 1.336265 0.66727395 0.022171165
9800 100 1.3344531 1.3344531 0.66634538 0.022025131
9900 100 1.3337098 1.3337098 0.66601721 0.022111706
10000 100 1.3335539 1.3335539 0.66597627 0.022133817
Loop time of 0.235008 on 1 procs for 5000 steps with 100 atoms
Performance: 9191156.994 tau/day, 21275.826 timesteps/s, 2.128 Matom-step/s
94.1% CPU use with 1 MPI tasks x no OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.029846 | 0.029846 | 0.029846 | 0.0 | 12.70
Neigh | 0.030211 | 0.030211 | 0.030211 | 0.0 | 12.86
Comm | 0.005731 | 0.005731 | 0.005731 | 0.0 | 2.44
Output | 0.00051873 | 0.00051873 | 0.00051873 | 0.0 | 0.22
Modify | 0.1583 | 0.1583 | 0.1583 | 0.0 | 67.36
Other | | 0.01041 | | | 4.43
Nlocal: 100 ave 100 max 100 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: 186 ave 186 max 186 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 186
Ave neighs/atom = 1.86
Neighbor list builds = 626
Dangerous builds = 0
region container delete
region container block -6 6 -6 6 -6 6 units box
run 5000
Generated 0 of 1 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 5.837 | 5.837 | 5.837 Mbytes
Step Atoms Temp c_1 c_2 Press
10000 100 1.3335539 1.3335539 0.66597627 0.022207076
10100 100 0.29976134 0.29976134 0.1752962 0.0091355801
10200 100 0.1548002 0.1548002 0.1005356 0.0062509071
10300 100 0.082468613 0.082468613 0.066729575 0.0017315098
10400 100 0.06731284 0.06731284 0.056685383 0.0011965765
10500 100 0.050167538 0.050167538 0.042388389 0.0010830279
10600 100 0.041091371 0.041091371 0.034743534 0.00092984522
10700 100 0.033199041 0.033199041 0.027954031 0.0018451338
10800 100 0.027880411 0.027880411 0.024437224 0.0013039536
10900 100 0.024634597 0.024634597 0.021815184 0.00030935286
11000 100 0.020741105 0.020741105 0.018754221 0.0006306901
11100 100 0.017210914 0.017210914 0.015842306 0.00075930229
11200 100 0.01254319 0.01254319 0.012145795 0.00047388541
11300 100 0.010032468 0.010032468 0.0095918697 0.0014677116
11400 100 0.0081538458 0.0081538458 0.0080985914 0.00032485316
11500 100 0.0072918155 0.0072918155 0.0070156789 0.00023642827
11600 100 0.0070136586 0.0070136586 0.0067263114 7.8490444e-05
11700 100 0.0061722946 0.0061722946 0.0058832419 0.00013450793
11800 100 0.0052444487 0.0052444487 0.0049294304 8.6973121e-05
11900 100 0.0048212279 0.0048212279 0.0045261412 0.00010458031
12000 100 0.0046782797 0.0046782797 0.0044011937 0.00018881094
12100 100 0.0042066617 0.0042066617 0.0040330976 0.00015507521
12200 100 0.0038529032 0.0038529032 0.003664712 1.1476621e-05
12300 100 0.0033203238 0.0033203238 0.0032404054 0.00027622191
12400 100 0.003113731 0.003113731 0.0030491123 3.8532421e-05
12500 100 0.0029925149 0.0029925149 0.0029415075 4.2673261e-05
12600 100 0.0028383323 0.0028383323 0.0027902992 9.328552e-05
12700 100 0.0026386104 0.0026386104 0.0026095714 7.7740986e-05
12800 100 0.0023509873 0.0023509873 0.0023518594 3.1944764e-05
12900 100 0.0022296104 0.0022296104 0.0022030693 4.5393502e-05
13000 100 0.0021991358 0.0021991358 0.0021560478 0.0001221212
13100 100 0.0021011001 0.0021011001 0.0020752855 2.4605107e-05
13200 100 0.002004495 0.002004495 0.0020040212 2.4805625e-05
13300 100 0.0018394135 0.0018394135 0.0018288384 6.2227066e-05
13400 100 0.0016314086 0.0016314086 0.0016058102 0.00010372886
13500 100 0.0015042857 0.0015042857 0.0014660263 0.00020805178
13600 100 0.0013584764 0.0013584764 0.0013177418 5.1603333e-05
13700 100 0.0012407449 0.0012407449 0.0011902637 8.87401e-05
13800 100 0.0011673364 0.0011673364 0.0011324247 2.3668551e-05
13900 100 0.0011429204 0.0011429204 0.0011072347 1.414364e-05
14000 100 0.001087543 0.001087543 0.0010616439 3.0874865e-05
14100 100 0.00098839393 0.00098839393 0.00096445684 6.5331515e-05
14200 100 0.00095139076 0.00095139076 0.00093658993 2.5649208e-05
14300 100 0.00089532494 0.00089532494 0.00082626435 2.6200482e-05
14400 100 0.00077973015 0.00077973015 0.00070733785 2.29298e-05
14500 100 0.00068559117 0.00068559117 0.00062297009 8.4841907e-06
14600 100 0.00059199698 0.00059199698 0.00052453148 1.2737231e-05
14700 100 0.00055052378 0.00055052378 0.00048459372 1.3028328e-05
14800 100 0.00049397913 0.00049397913 0.00044094284 6.1129918e-06
14900 100 0.00048082746 0.00048082746 0.00043128724 3.7301936e-06
15000 100 0.00046847825 0.00046847825 0.00041484245 5.7974184e-06
Loop time of 0.0802044 on 1 procs for 5000 steps with 100 atoms
Performance: 26931180.398 tau/day, 62340.695 timesteps/s, 6.234 Matom-step/s
82.1% CPU use with 1 MPI tasks x no OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.0080809 | 0.0080809 | 0.0080809 | 0.0 | 10.08
Neigh | 0.0048815 | 0.0048815 | 0.0048815 | 0.0 | 6.09
Comm | 0.0055605 | 0.0055605 | 0.0055605 | 0.0 | 6.93
Output | 0.00050386 | 0.00050386 | 0.00050386 | 0.0 | 0.63
Modify | 0.051104 | 0.051104 | 0.051104 | 0.0 | 63.72
Other | | 0.01007 | | | 12.56
Nlocal: 100 ave 100 max 100 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: 157 ave 157 max 157 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 157
Ave neighs/atom = 1.57
Neighbor list builds = 100
Dangerous builds = 0
region container delete
variable theta equal (step-15000)*(4.0*PI/5000)
region container block -6 6 -6 6 -6 6 units box rotate v_theta 0 0 0 1 1 1
run 5000
Generated 0 of 1 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 5.837 | 5.837 | 5.837 Mbytes
Step Atoms Temp c_1 c_2 Press
15000 100 0.00046847825 0.00046847825 0.00041484245 5.7974184e-06
15100 100 0.96677694 0.96677694 0.64420785 0.01431184
15200 100 1.0659255 1.0659255 0.69293741 0.013240486
15300 100 1.1647631 1.1647631 0.75191941 0.014622673
15400 100 1.3411593 1.3411593 0.85696383 0.02561549
15500 100 1.6033758 1.6033758 0.99094919 0.026221789
15600 100 1.7889645 1.7889645 1.075315 0.024116301
15700 100 1.8077023 1.8077023 1.0842652 0.031781756
15800 100 2.0252655 2.0252655 1.1517407 0.037201818
15900 100 2.1479427 2.1479427 1.2061238 0.027668435
16000 100 2.1788838 2.1788838 1.2205599 0.029114273
16100 100 2.3257431 2.3257431 1.2921157 0.035663063
16200 100 2.3885449 2.3885449 1.3282237 0.032255517
16300 100 2.3670966 2.3670966 1.3091694 0.029579008
16400 100 2.5097781 2.5097781 1.3712036 0.034579196
16500 100 2.6440883 2.6440883 1.4440043 0.03347813
16600 100 2.7230084 2.7230084 1.481565 0.036660339
16700 100 2.8246108 2.8246108 1.5298387 0.035623641
16800 100 3.0338694 3.0338694 1.6333504 0.038818594
16900 100 3.1219584 3.1219584 1.6790766 0.043444123
17000 100 3.4103817 3.4103817 1.8222668 0.044524654
17100 100 3.3869069 3.3869069 1.8170743 0.050670801
17200 100 3.4220314 3.4220314 1.8312364 0.045956123
17300 100 3.396894 3.396894 1.8158291 0.050420297
17400 100 3.4508224 3.4508224 1.8429996 0.049923733
17500 100 3.5039601 3.5039601 1.8822352 0.051047713
17600 100 3.3743905 3.3743905 1.8380347 0.047922214
17700 100 3.3729709 3.3729709 1.8224123 0.04758126
17800 100 3.3237798 3.3237798 1.7962316 0.045427975
17900 100 3.2441052 3.2441052 1.7782748 0.044651231
18000 100 3.1169205 3.1169205 1.704639 0.047440495
18100 100 3.1704608 3.1704608 1.7326375 0.045656546
18200 100 3.1113438 3.1113438 1.7002232 0.041619255
18300 100 3.2506111 3.2506111 1.7693075 0.048028527
18400 100 3.3840681 3.3840681 1.8370672 0.04443243
18500 100 3.4822823 3.4822823 1.9125273 0.043687118
18600 100 3.5214372 3.5214372 1.9364829 0.049798605
18700 100 3.5439229 3.5439229 1.9441301 0.046240266
18800 100 3.6046761 3.6046761 1.9791448 0.054369382
18900 100 3.8598403 3.8598403 2.0999449 0.049863074
19000 100 3.8606461 3.8606461 2.0885493 0.050269245
19100 100 4.076627 4.076627 2.2025766 0.058050893
19200 100 3.8280814 3.8280814 2.0749884 0.05730905
19300 100 3.8211633 3.8211633 2.0759453 0.05145071
19400 100 3.7726284 3.7726284 2.0466555 0.053566404
19500 100 3.7468403 3.7468403 2.03218 0.048422025
19600 100 3.6408955 3.6408955 1.9873843 0.046565134
19700 100 3.6454187 3.6454187 2.0042204 0.049299897
19800 100 3.5165071 3.5165071 1.937379 0.046319859
19900 100 3.4670702 3.4670702 1.9140316 0.045650114
20000 100 3.6114294 3.6114294 1.9798674 0.05431148
Loop time of 0.203164 on 1 procs for 5000 steps with 100 atoms
Performance: 10631806.993 tau/day, 24610.664 timesteps/s, 2.461 Matom-step/s
92.3% CPU use with 1 MPI tasks x no OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.01242 | 0.01242 | 0.01242 | 0.0 | 6.11
Neigh | 0.044478 | 0.044478 | 0.044478 | 0.0 | 21.89
Comm | 0.0057766 | 0.0057766 | 0.0057766 | 0.0 | 2.84
Output | 0.00051702 | 0.00051702 | 0.00051702 | 0.0 | 0.25
Modify | 0.12923 | 0.12923 | 0.12923 | 0.0 | 63.61
Other | | 0.01074 | | | 5.29
Nlocal: 100 ave 100 max 100 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: 142 ave 142 max 142 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 142
Ave neighs/atom = 1.42
Neighbor list builds = 909
Dangerous builds = 0
region container delete
region container block -6 6 -6 6 -6 6 units box
run 5000
Generated 0 of 1 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 5.837 | 5.837 | 5.837 Mbytes
Step Atoms Temp c_1 c_2 Press
20000 100 3.6114294 3.6114294 1.9798674 0.053887263
20100 100 1.0907336 1.0907336 0.69799767 0.013925984
20200 100 0.92304387 0.92304387 0.59520318 0.012377709
20300 100 0.84004201 0.84004201 0.55081472 0.012108246
20400 100 0.89491209 0.89491209 0.56269969 0.01221427
20500 100 0.92011482 0.92011482 0.56971815 0.011353588
20600 100 0.95722998 0.95722998 0.58038747 0.01185569
20700 100 0.92635786 0.92635786 0.55373959 0.011953734
20800 100 0.93088162 0.93088162 0.55094813 0.012887472
20900 100 0.97288373 0.97288373 0.56309599 0.013731021
21000 100 0.63378762 0.63378762 0.3779177 0.010114787
21100 100 0.34618473 0.34618473 0.21652381 0.0070717708
21200 100 0.18660008 0.18660008 0.1302051 0.006504227
21300 100 0.13917709 0.13917709 0.09667499 0.0032593765
21400 100 0.11627047 0.11627047 0.080272858 0.0028891045
21500 100 0.086269781 0.086269781 0.064184981 0.0019374959
21600 100 0.08052393 0.08052393 0.059561101 0.001214522
21700 100 0.036026032 0.036026032 0.030243348 0.001199233
21800 100 0.02392645 0.02392645 0.022284244 0.00060060634
21900 100 0.016991266 0.016991266 0.017366625 0.00065672411
22000 100 0.016974877 0.016974877 0.016399245 0.0005903103
22100 100 0.015491818 0.015491818 0.014806105 0.00051181051
22200 100 0.011908698 0.011908698 0.011206673 0.00099478656
22300 100 0.010002714 0.010002714 0.0093749794 0.00028214624
22400 100 0.0081652616 0.0081652616 0.0079594664 0.00026841276
22500 100 0.0067602843 0.0067602843 0.0067498831 0.00019472612
22600 100 0.0061024058 0.0061024058 0.0062958451 0.00016615781
22700 100 0.005331422 0.005331422 0.0056152366 0.00021543475
22800 100 0.0040796708 0.0040796708 0.004140932 0.00024397062
22900 100 0.0042042089 0.0042042089 0.0040406804 0.00015880055
23000 100 0.0056083872 0.0056083872 0.0046056699 0.00029203396
23100 100 0.0035006398 0.0035006398 0.003343101 0.00010571574
23200 100 0.0032402473 0.0032402473 0.003122476 0.00012784403
23300 100 0.0030100724 0.0030100724 0.0029649423 8.5613724e-05
23400 100 0.002746305 0.002746305 0.0027519317 9.6521844e-05
23500 100 0.0028543876 0.0028543876 0.002842845 0.00012566665
23600 100 0.0036979234 0.0036979234 0.0032448309 8.6321879e-05
23700 100 0.0030503565 0.0030503565 0.0027392305 5.9716835e-05
23800 100 0.0021564041 0.0021564041 0.0022097768 0.00028317769
23900 100 0.0018905956 0.0018905956 0.0020002233 4.5205733e-05
24000 100 0.0015705513 0.0015705513 0.0017262538 0.00026550225
24100 100 0.0013341334 0.0013341334 0.0015663921 4.8307183e-05
24200 100 0.0012426828 0.0012426828 0.0014960127 5.5195907e-05
24300 100 0.0011933799 0.0011933799 0.0014508697 5.2781568e-05
24400 100 0.0010126015 0.0010126015 0.0012821281 0.00011096457
24500 100 0.00094102576 0.00094102576 0.0012265703 3.3454252e-05
24600 100 0.00092243997 0.00092243997 0.0011970533 3.7288789e-05
24700 100 0.00080565605 0.00080565605 0.0010864406 0.00015797228
24800 100 0.00075303124 0.00075303124 0.0010103671 5.4727635e-05
24900 100 0.00074808599 0.00074808599 0.0010053951 8.6607732e-05
25000 100 0.00071720457 0.00071720457 0.00096622937 0.00015861964
Loop time of 0.0845534 on 1 procs for 5000 steps with 100 atoms
Performance: 25545994.179 tau/day, 59134.246 timesteps/s, 5.913 Matom-step/s
90.2% CPU use with 1 MPI tasks x no OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.0091411 | 0.0091411 | 0.0091411 | 0.0 | 10.81
Neigh | 0.013557 | 0.013557 | 0.013557 | 0.0 | 16.03
Comm | 0.0056205 | 0.0056205 | 0.0056205 | 0.0 | 6.65
Output | 0.0005087 | 0.0005087 | 0.0005087 | 0.0 | 0.60
Modify | 0.045578 | 0.045578 | 0.045578 | 0.0 | 53.90
Other | | 0.01015 | | | 12.00
Nlocal: 100 ave 100 max 100 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: 151 ave 151 max 151 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 151
Ave neighs/atom = 1.51
Neighbor list builds = 286
Dangerous builds = 0
Total wall time: 0:00:00

View File

@ -0,0 +1,493 @@
LAMMPS (15 Sep 2022)
# pouring spheres into container box
units lj
atom_style sphere
boundary f f f
dimension 3
comm_modify vel yes
region box block -10 10 -10 10 -10 10 units box
create_box 2 box
Created orthogonal box = (-10 -10 -10) to (10 10 10)
1 by 2 by 2 MPI processor grid
pair_style hybrid gran/hooke 4000.0 NULL 100.0 NULL 0.5 1
pair_coeff * * gran/hooke
region container block -6 6 -6 6 -6 6 units box
fix container all wall/gran/region hooke/history 4000.0 NULL 100.0 NULL 0.5 1 region container
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
fix 2 all nve/sphere
fix 3 all gravity 1.0 vector 0 0 -1
region slab block -2 2 -2 2 -2 2 units box
fix ins all pour 100 2 4767548 vol 0.4 10 diam one 1.0 region slab ignore
Particle insertion: 48 every 566 steps, 100 by step 1133
timestep 0.005
compute 1 all temp
compute_modify 1 dynamic/dof yes
compute 2 all temp/sphere
compute_modify 2 dynamic/dof yes
thermo 100
thermo_style custom step atoms temp c_1 c_2 press
thermo_modify lost ignore
compute_modify thermo_temp dynamic/dof yes
#dump 2 all image 100 image.*.jpg type type # zoom 1.4 adiam 1.0 box no 0.0 axes yes 0.9 0.03
#dump_modify 2 pad 5
run 5000
Generated 0 of 1 mixed pair_coeff terms from geometric mixing rule
Neighbor list info ...
update: every = 1 steps, delay = 0 steps, check = yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 1.3
ghost atom cutoff = 1.3
binsize = 0.65, bins = 31 31 31
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair gran/hooke, perpetual
attributes: half, newton on, size
pair build: half/size/bin/newton
stencil: half/bin/3d
bin: standard
Per MPI rank memory allocation (min/avg/max) = 0.4843 | 0.4843 | 0.4843 Mbytes
Step Atoms Temp c_1 c_2 Press
0 0 0 0 0 0
WARNING: Less insertions than requested (../fix_pour.cpp:681)
100 30 0.803783 0.803783 0.39507978 0.0029137134
200 30 1.1967995 1.1967995 0.5882574 0.0043383984
300 30 1.2814686 1.2814686 0.62987441 0.0046453238
400 30 0.82331082 0.82331082 0.41173176 0.0029845017
500 30 0.7708462 0.7708462 0.38777784 0.0043831147
WARNING: Less insertions than requested (../fix_pour.cpp:681)
600 64 0.51564897 0.51564897 0.26631577 0.0040059368
700 64 0.57239348 0.57239348 0.29566901 0.0045075987
800 64 0.61837087 0.61837087 0.32195387 0.0048123564
900 64 0.53061888 0.53061888 0.28564763 0.0055906552
1000 64 0.496299 0.496299 0.26801572 0.0061169128
1100 64 0.46068308 0.46068308 0.24699057 0.0055717699
WARNING: Less insertions than requested (../fix_pour.cpp:681)
1200 99 0.39206225 0.39206225 0.21356546 0.0066294211
1300 99 0.38624966 0.38624966 0.21345854 0.0049051051
1400 99 0.35615284 0.35615284 0.19785725 0.0046170774
1500 99 0.31486691 0.31486691 0.17429054 0.0064903404
1600 99 0.26369 0.26369 0.15095263 0.0045226821
1700 100 0.19259352 0.19259352 0.11308184 0.0073603886
1800 100 0.1372448 0.1372448 0.083273652 0.0058163062
1900 100 0.077253038 0.077253038 0.053166156 0.0017440856
2000 100 0.065472093 0.065472093 0.04375349 0.0018416047
2100 100 0.057213469 0.057213469 0.037773954 0.001226231
2200 100 0.058857437 0.058857437 0.0372655 0.00090812381
2300 100 0.035066108 0.035066108 0.025934054 0.00072114554
2400 100 0.021272125 0.021272125 0.016635107 0.0018506654
2500 100 0.015530432 0.015530432 0.012533546 0.0013883971
2600 100 0.012603946 0.012603946 0.0096981459 0.00038648118
2700 100 0.0097347475 0.0097347475 0.0076016624 0.00057313888
2800 100 0.0067081771 0.0067081771 0.0056944431 0.00085080075
2900 100 0.0089177981 0.0089177981 0.0065036822 0.00028986539
3000 100 0.0057840287 0.0057840287 0.0044989265 0.00016111737
3100 100 0.0038909621 0.0038909621 0.0031511938 0.0001708892
3200 100 0.0029043214 0.0029043214 0.0025807767 9.2473673e-05
3300 100 0.0022769336 0.0022769336 0.0021487157 0.00022312666
3400 100 0.0015571397 0.0015571397 0.0016669068 0.0003381372
3500 100 0.0015978184 0.0015978184 0.001707772 4.9930818e-05
3600 100 0.0023358916 0.0023358916 0.0020709426 9.7687609e-05
3700 100 0.0011186736 0.0011186736 0.0012146914 9.3338234e-05
3800 100 0.0011657036 0.0011657036 0.0012313764 3.1931251e-05
3900 100 0.0014998387 0.0014998387 0.0014015491 2.4226798e-05
4000 100 0.0010858335 0.0010858335 0.0010623286 1.6359241e-05
4100 100 0.0010464314 0.0010464314 0.0010123557 1.2949588e-05
4200 100 0.0010022428 0.0010022428 0.00097338971 1.2402332e-05
4300 100 0.00080622372 0.00080622372 0.00084329652 0.00033857037
4400 100 0.00073613921 0.00073613921 0.00078373608 1.0103949e-05
4500 100 0.00071402196 0.00071402196 0.00076658004 8.8360218e-06
4600 100 0.00064851765 0.00064851765 0.00071533461 1.0736438e-05
4700 100 0.00061146699 0.00061146699 0.00068274687 4.1341755e-06
4800 100 0.00059511472 0.00059511472 0.0006625527 7.3645447e-06
4900 100 0.00057700347 0.00057700347 0.0006468562 1.5411897e-05
5000 100 0.00056205001 0.00056205001 0.00063592505 7.8813845e-06
Loop time of 0.0856033 on 4 procs for 5000 steps with 100 atoms
Performance: 25232672.400 tau/day, 58408.964 timesteps/s, 5.841 Matom-step/s
88.4% CPU use with 4 MPI tasks x no OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.0034695 | 0.0050634 | 0.0068805 | 2.2 | 5.91
Neigh | 0.0016916 | 0.0024175 | 0.0032212 | 1.5 | 2.82
Comm | 0.020003 | 0.026482 | 0.033796 | 3.5 | 30.94
Output | 0.0010864 | 0.001327 | 0.0014374 | 0.4 | 1.55
Modify | 0.0067352 | 0.015857 | 0.025751 | 7.2 | 18.52
Other | | 0.03446 | | | 40.25
Nlocal: 25 ave 53 max 0 min
Histogram: 2 0 0 0 0 0 0 0 1 1
Nghost: 4 ave 8 max 0 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Neighs: 40.5 ave 92 max 0 min
Histogram: 2 0 0 0 0 0 0 1 0 1
Total # of neighbors = 162
Ave neighs/atom = 1.62
Neighbor list builds = 288
Dangerous builds = 0
region container delete
variable theta equal (step-5000)*(4.0*PI/5000)
region container block -6 6 -6 6 -6 6 units box rotate v_theta 0 0 0 0 0 1
run 5000
Generated 0 of 1 mixed pair_coeff terms from geometric mixing rule
Neighbor list info ...
update: every = 1 steps, delay = 0 steps, check = yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 1.3
ghost atom cutoff = 1.3
binsize = 0.65, bins = 31 31 31
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair gran/hooke, perpetual
attributes: half, newton on, size
pair build: half/size/bin/newton
stencil: half/bin/3d
bin: standard
Per MPI rank memory allocation (min/avg/max) = 5.609 | 5.672 | 5.734 Mbytes
Step Atoms Temp c_1 c_2 Press
5000 100 0.00056205001 0.00056205001 0.00063592505 7.871665e-06
5100 100 0.59585977 0.59585977 0.32464933 0.0141718
5200 100 0.67306764 0.67306764 0.35872096 0.013373672
5300 100 0.76065187 0.76065187 0.39925025 0.011460301
5400 100 0.87984446 0.87984446 0.45261417 0.013937042
5500 100 0.95548319 0.95548319 0.48706892 0.013601658
5600 100 0.9993278 0.9993278 0.50830306 0.015663766
5700 100 1.0449415 1.0449415 0.52967249 0.016797841
5800 100 1.0767598 1.0767598 0.54508699 0.016128855
5900 100 1.118688 1.118688 0.56530849 0.016830117
6000 100 1.1535698 1.1535698 0.58290663 0.01715335
6100 100 1.1753828 1.1753828 0.59419088 0.019273207
6200 100 1.1994171 1.1994171 0.60433264 0.018391566
6300 100 1.2244707 1.2244707 0.61626199 0.018842556
6400 100 1.2507994 1.2507994 0.62829386 0.019538413
6500 100 1.2684644 1.2684644 0.63747702 0.020794729
6600 100 1.2704726 1.2704726 0.63929889 0.020253985
6700 100 1.2737302 1.2737302 0.63970688 0.020858602
6800 100 1.287922 1.287922 0.64460894 0.021589773
6900 100 1.3028782 1.3028782 0.65197802 0.02135295
7000 100 1.306633 1.306633 0.65371741 0.021291182
7100 100 1.3161393 1.3161393 0.65785404 0.022554896
7200 100 1.3228158 1.3228158 0.6609031 0.021811977
7300 100 1.3245632 1.3245632 0.66161966 0.02206776
7400 100 1.3266822 1.3266822 0.662738 0.022070761
7500 100 1.3265138 1.3265138 0.6624472 0.021944768
7600 100 1.3286802 1.3286802 0.66338775 0.0219393
7700 100 1.332829 1.332829 0.66547051 0.022142398
7800 100 1.3323535 1.3323535 0.66534513 0.022787777
7900 100 1.3372424 1.3372424 0.66777556 0.02192759
8000 100 1.3396201 1.3396201 0.66910123 0.022439596
8100 100 1.3422271 1.3422271 0.67060566 0.023784952
8200 100 1.3468062 1.3468062 0.6728991 0.02243345
8300 100 1.3439408 1.3439408 0.6717529 0.022312339
8400 100 1.3484134 1.3484134 0.67346027 0.022770922
8500 100 1.3490032 1.3490032 0.67378177 0.022427863
8600 100 1.349789 1.349789 0.67398897 0.022494049
8700 100 1.3513512 1.3513512 0.67475613 0.022413559
8800 100 1.3535168 1.3535168 0.67589784 0.022356566
8900 100 1.3505765 1.3505765 0.67442168 0.022240615
9000 100 1.3499918 1.3499918 0.67419831 0.02226049
9100 100 1.3518103 1.3518103 0.67489482 0.022399038
9200 100 1.3526275 1.3526275 0.67529852 0.022395079
9300 100 1.353741 1.353741 0.67585205 0.022471008
9400 100 1.3538758 1.3538758 0.67589523 0.022461734
9500 100 1.3537199 1.3537199 0.67586527 0.022370169
9600 100 1.3539788 1.3539788 0.67602899 0.022400771
9700 100 1.3544874 1.3544874 0.67619552 0.022648464
9800 100 1.3555422 1.3555422 0.67666186 0.022367319
9900 100 1.3560106 1.3560106 0.6768751 0.02236585
10000 100 1.3563578 1.3563578 0.6770434 0.022359307
Loop time of 0.139615 on 4 procs for 5000 steps with 100 atoms
Performance: 15471121.710 tau/day, 35812.782 timesteps/s, 3.581 Matom-step/s
89.9% CPU use with 4 MPI tasks x no OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.0034672 | 0.011349 | 0.019511 | 7.2 | 8.13
Neigh | 0.0032972 | 0.0053674 | 0.0074946 | 2.8 | 3.84
Comm | 0.011049 | 0.018572 | 0.027876 | 5.6 | 13.30
Output | 0.0010807 | 0.0015593 | 0.0018738 | 0.8 | 1.12
Modify | 0.013556 | 0.040435 | 0.066715 | 13.0 | 28.96
Other | | 0.06233 | | | 44.65
Nlocal: 25 ave 52 max 0 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Nghost: 3 ave 6 max 0 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Neighs: 48.25 ave 109 max 0 min
Histogram: 2 0 0 0 0 0 0 1 0 1
Total # of neighbors = 193
Ave neighs/atom = 1.93
Neighbor list builds = 626
Dangerous builds = 0
region container delete
region container block -6 6 -6 6 -6 6 units box
run 5000
Generated 0 of 1 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 5.609 | 5.672 | 5.735 Mbytes
Step Atoms Temp c_1 c_2 Press
10000 100 1.3563578 1.3563578 0.6770434 0.022433108
10100 100 0.32881547 0.32881547 0.18968913 0.0063460187
10200 100 0.19880113 0.19880113 0.12812646 0.0074601538
10300 100 0.12614062 0.12614062 0.090121373 0.0028337336
10400 100 0.088358363 0.088358363 0.067236815 0.0020269846
10500 100 0.071199344 0.071199344 0.055567135 0.0016191769
10600 100 0.053909616 0.053909616 0.042301996 0.00098643468
10700 100 0.039560745 0.039560745 0.032482256 0.00089240864
10800 100 0.032130432 0.032130432 0.02705329 0.00058669881
10900 100 0.02462494 0.02462494 0.021121496 0.0017376127
11000 100 0.020941068 0.020941068 0.017866781 0.00031112553
11100 100 0.016775675 0.016775675 0.014620214 0.00026856842
11200 100 0.015005732 0.015005732 0.012803923 0.00067036626
11300 100 0.012099209 0.012099209 0.010308221 0.00032666902
11400 100 0.010559421 0.010559421 0.0090243729 0.00013645685
11500 100 0.0093738615 0.0093738615 0.0080176514 0.00098541099
11600 100 0.0081900702 0.0081900702 0.0070256953 0.00025935992
11700 100 0.0068100165 0.0068100165 0.0058703223 0.00014866816
11800 100 0.0060475708 0.0060475708 0.0052518105 0.00017895168
11900 100 0.0055607485 0.0055607485 0.0047184164 0.00011358846
12000 100 0.0053149064 0.0053149064 0.0045168418 0.00015222428
12100 100 0.0050909525 0.0050909525 0.0043196952 6.3000537e-05
12200 100 0.0041810842 0.0041810842 0.0036835522 4.6423956e-05
12300 100 0.0034305227 0.0034305227 0.0031222649 0.00020251115
12400 100 0.0031763077 0.0031763077 0.0028956456 0.00030307787
12500 100 0.0027440829 0.0027440829 0.0025087304 0.00010418607
12600 100 0.0024581964 0.0024581964 0.0022200229 3.042018e-05
12700 100 0.002259527 0.002259527 0.0020708869 4.192368e-05
12800 100 0.0019143448 0.0019143448 0.0018088032 4.6200439e-05
12900 100 0.0017935964 0.0017935964 0.0017028317 2.2195756e-05
13000 100 0.0017286429 0.0017286429 0.0016396753 2.3108871e-05
13100 100 0.0017055291 0.0017055291 0.0016122058 2.2444611e-05
13200 100 0.0016539275 0.0016539275 0.0015570166 2.0467353e-05
13300 100 0.0015777788 0.0015777788 0.0014852505 1.9525012e-05
13400 100 0.0015372199 0.0015372199 0.0014497102 2.3203566e-05
13500 100 0.0015066638 0.0015066638 0.0014097203 1.8644964e-05
13600 100 0.0012290618 0.0012290618 0.0012056216 1.3235643e-05
13700 100 0.0011781948 0.0011781948 0.0011685226 3.4312262e-05
13800 100 0.0011530136 0.0011530136 0.0011433171 2.8832126e-05
13900 100 0.0011085224 0.0011085224 0.0011052764 1.444139e-05
14000 100 0.0010656788 0.0010656788 0.0010702461 1.3187775e-05
14100 100 0.001029277 0.001029277 0.0010469537 1.2837267e-05
14200 100 0.0009750904 0.0009750904 0.0009915384 1.209089e-05
14300 100 0.00094893337 0.00094893337 0.00096909301 1.1743051e-05
14400 100 0.00087708427 0.00087708427 0.00087575318 1.9027338e-05
14500 100 0.00086229913 0.00086229913 0.0008643568 1.0670952e-05
14600 100 0.00084206808 0.00084206808 0.0008268172 3.2391722e-05
14700 100 0.00077682873 0.00077682873 0.00077186085 9.6132555e-06
14800 100 0.00074736908 0.00074736908 0.00074958372 9.2486924e-06
14900 100 0.00074456847 0.00074456847 0.00074779946 9.2140349e-06
15000 100 0.00073830282 0.00073830282 0.0007426924 9.1364974e-06
Loop time of 0.0808149 on 4 procs for 5000 steps with 100 atoms
Performance: 26727738.394 tau/day, 61869.765 timesteps/s, 6.187 Matom-step/s
86.6% CPU use with 4 MPI tasks x no OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.0034354 | 0.0050332 | 0.0069329 | 2.2 | 6.23
Neigh | 0.00051999 | 0.00084906 | 0.0012075 | 0.0 | 1.05
Comm | 0.0063631 | 0.014527 | 0.023754 | 6.8 | 17.98
Output | 0.0010373 | 0.001342 | 0.001464 | 0.5 | 1.66
Modify | 0.0051837 | 0.017338 | 0.031605 | 9.3 | 21.45
Other | | 0.04173 | | | 51.63
Nlocal: 25 ave 53 max 0 min
Histogram: 2 0 0 0 0 0 0 0 1 1
Nghost: 3.75 ave 8 max 0 min
Histogram: 2 0 0 0 0 0 0 0 1 1
Neighs: 39.25 ave 82 max 0 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Total # of neighbors = 157
Ave neighs/atom = 1.57
Neighbor list builds = 100
Dangerous builds = 0
region container delete
variable theta equal (step-15000)*(4.0*PI/5000)
region container block -6 6 -6 6 -6 6 units box rotate v_theta 0 0 0 1 1 1
run 5000
Generated 0 of 1 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 5.609 | 5.672 | 5.735 Mbytes
Step Atoms Temp c_1 c_2 Press
15000 100 0.00073830282 0.00073830282 0.0007426924 9.1364974e-06
15100 100 1.1048281 1.1048281 0.7023727 0.018379275
15200 100 1.2022249 1.2022249 0.77748962 0.015662439
15300 100 1.2561351 1.2561351 0.82563065 0.01835048
15400 100 1.4372446 1.4372446 0.92907923 0.02087065
15500 100 1.6414713 1.6414713 1.0284489 0.025654324
15600 100 1.7844655 1.7844655 1.0861866 0.025170346
15700 100 2.034248 2.034248 1.2017171 0.040341642
15800 100 2.1253699 2.1253699 1.2228657 0.029297194
15900 100 2.1940232 2.1940232 1.2470589 0.033866758
16000 100 2.2624419 2.2624419 1.2828225 0.030063645
16100 100 2.3208536 2.3208536 1.3118956 0.0323489
16200 100 2.3564971 2.3564971 1.3261173 0.032882494
16300 100 2.3956066 2.3956066 1.3260307 0.03292972
16400 100 2.5025831 2.5025831 1.3817693 0.031132988
16500 100 2.5947914 2.5947914 1.4152657 0.036126782
16600 100 2.7688769 2.7688769 1.4975686 0.037497127
16700 100 2.812503 2.812503 1.5216659 0.039316167
16800 100 2.8977424 2.8977424 1.5599254 0.039996029
16900 100 3.045802 3.045802 1.6332888 0.041406156
17000 100 3.2195366 3.2195366 1.7247171 0.040023634
17100 100 3.2597294 3.2597294 1.7527958 0.04828292
17200 100 3.293587 3.293587 1.7693254 0.044001441
17300 100 3.1861836 3.1861836 1.7142076 0.049158822
17400 100 3.4593561 3.4593561 1.8426619 0.053469673
17500 100 3.3813767 3.3813767 1.8079958 0.058776299
17600 100 3.5834203 3.5834203 1.9094759 0.053256842
17700 100 3.2243306 3.2243306 1.7425111 0.064354789
17800 100 3.358228 3.358228 1.8202932 0.046798524
17900 100 3.2257908 3.2257908 1.7678964 0.043655204
18000 100 3.237732 3.237732 1.7598181 0.050850672
18100 100 3.2042441 3.2042441 1.751979 0.045582006
18200 100 3.1562775 3.1562775 1.7336068 0.042210739
18300 100 3.2630507 3.2630507 1.7925333 0.046412778
18400 100 3.4150588 3.4150588 1.8668408 0.044386435
18500 100 3.4913198 3.4913198 1.9125495 0.043329829
18600 100 3.5290036 3.5290036 1.9184098 0.048302721
18700 100 3.4852698 3.4852698 1.8865833 0.059566124
18800 100 3.7157551 3.7157551 2.0082235 0.051356305
18900 100 3.9504619 3.9504619 2.1377018 0.051553987
19000 100 3.9711274 3.9711274 2.1549121 0.051555312
19100 100 3.90954 3.90954 2.1135174 0.0548311
19200 100 4.0672819 4.0672819 2.1837089 0.064431553
19300 100 3.998355 3.998355 2.1572884 0.056830399
19400 100 3.9172127 3.9172127 2.1130164 0.051264041
19500 100 3.9120291 3.9120291 2.1088399 0.052545115
19600 100 3.8613614 3.8613614 2.0752883 0.055466569
19700 100 3.8428824 3.8428824 2.0787804 0.05129261
19800 100 3.5686751 3.5686751 1.9356553 0.059177256
19900 100 3.5573788 3.5573788 1.9430183 0.054618794
20000 100 3.5453022 3.5453022 1.9413343 0.047640543
Loop time of 0.13841 on 4 procs for 5000 steps with 100 atoms
Performance: 15605800.739 tau/day, 36124.539 timesteps/s, 3.612 Matom-step/s
89.0% CPU use with 4 MPI tasks x no OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.0047469 | 0.0062771 | 0.0080644 | 1.5 | 4.54
Neigh | 0.0062517 | 0.0079248 | 0.0094271 | 1.3 | 5.73
Comm | 0.047109 | 0.048595 | 0.050543 | 0.6 | 35.11
Output | 0.0011807 | 0.0013428 | 0.0015517 | 0.4 | 0.97
Modify | 0.022766 | 0.033256 | 0.039993 | 3.5 | 24.03
Other | | 0.04101 | | | 29.63
Nlocal: 25 ave 36 max 13 min
Histogram: 1 0 0 0 1 0 1 0 0 1
Nghost: 5 ave 9 max 2 min
Histogram: 1 0 1 0 1 0 0 0 0 1
Neighs: 37.5 ave 53 max 15 min
Histogram: 1 0 0 0 0 1 0 1 0 1
Total # of neighbors = 150
Ave neighs/atom = 1.5
Neighbor list builds = 913
Dangerous builds = 0
region container delete
region container block -6 6 -6 6 -6 6 units box
run 5000
Generated 0 of 1 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 5.734 | 5.735 | 5.735 Mbytes
Step Atoms Temp c_1 c_2 Press
20000 100 3.5453022 3.5453022 1.9413343 0.047178052
20100 100 1.0878587 1.0878587 0.68666704 0.016139979
20200 100 1.0230655 1.0230655 0.63593494 0.014642345
20300 100 0.94958824 0.94958824 0.59306601 0.011745659
20400 100 0.93038108 0.93038108 0.57232527 0.01154829
20500 100 0.92183816 0.92183816 0.55466942 0.01212559
20600 100 1.0175846 1.0175846 0.59940035 0.013815361
20700 100 1.0564615 1.0564615 0.60726745 0.013073711
20800 100 0.99967869 0.99967869 0.57665019 0.012450813
20900 100 0.97051084 0.97051084 0.5574217 0.015686955
21000 100 0.639185 0.639185 0.37441942 0.017594616
21100 100 0.24979014 0.24979014 0.17121567 0.0084027295
21200 100 0.15147941 0.15147941 0.11124349 0.0030435746
21300 100 0.13117502 0.13117502 0.091432638 0.0029110318
21400 100 0.11158272 0.11158272 0.076264692 0.0021951204
21500 100 0.056660993 0.056660993 0.043503807 0.0010993096
21600 100 0.028640836 0.028640836 0.026000267 0.0010440792
21700 100 0.025816483 0.025816483 0.021922896 0.00081674646
21800 100 0.023929555 0.023929555 0.019936972 0.0010383614
21900 100 0.022271339 0.022271339 0.017947505 0.0014630387
22000 100 0.019277834 0.019277834 0.015483116 0.00058751407
22100 100 0.019997809 0.019997809 0.015919504 0.00064176101
22200 100 0.015870543 0.015870543 0.01244838 0.0004205505
22300 100 0.011797587 0.011797587 0.0096491363 0.00034907063
22400 100 0.010745212 0.010745212 0.008874218 0.00035427537
22500 100 0.0082372399 0.0082372399 0.0071217811 0.00028179943
22600 100 0.007942576 0.007942576 0.0067248822 0.001507115
22700 100 0.0061733667 0.0061733667 0.0053092324 0.00056018554
22800 100 0.0058287651 0.0058287651 0.004972189 0.00023807695
22900 100 0.0051352339 0.0051352339 0.004324157 0.00020849263
23000 100 0.0040107769 0.0040107769 0.0035769703 0.00022626101
23100 100 0.0040288854 0.0040288854 0.0034355474 0.00019107621
23200 100 0.003277858 0.003277858 0.0030013165 0.00016119888
23300 100 0.0033633749 0.0033633749 0.0030188927 0.00014459404
23400 100 0.003468042 0.003468042 0.0030079205 0.00013778427
23500 100 0.0027616702 0.0027616702 0.0024994596 0.00011834915
23600 100 0.0022531303 0.0022531303 0.0021182802 0.0002279623
23700 100 0.002067768 0.002067768 0.0019631752 0.00014341503
23800 100 0.0020069255 0.0020069255 0.0019209587 0.00010673435
23900 100 0.0019630617 0.0019630617 0.0018748221 0.00011856923
24000 100 0.0018800646 0.0018800646 0.0018190347 0.00010707562
24100 100 0.0018028137 0.0018028137 0.0017067233 0.00010884117
24200 100 0.0017278932 0.0017278932 0.0016251004 0.00013664683
24300 100 0.0016373288 0.0016373288 0.0015529481 0.00010025414
24400 100 0.0019876848 0.0019876848 0.0016912033 0.00011235942
24500 100 0.0013677345 0.0013677345 0.0012839488 7.8669645e-05
24600 100 0.0012852614 0.0012852614 0.0012065052 0.00010172361
24700 100 0.0011145002 0.0011145002 0.0010748344 7.5021689e-05
24800 100 0.0012860792 0.0012860792 0.0011429675 5.7939624e-05
24900 100 0.00097198499 0.00097198499 0.00096175911 5.443837e-05
25000 100 0.00096224466 0.00096224466 0.00095159089 5.4245409e-05
Loop time of 0.0846408 on 4 procs for 5000 steps with 100 atoms
Performance: 25519602.289 tau/day, 59073.153 timesteps/s, 5.907 Matom-step/s
82.3% CPU use with 4 MPI tasks x no OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.0035473 | 0.0055294 | 0.0082454 | 2.7 | 6.53
Neigh | 0.0016391 | 0.0022521 | 0.0028115 | 1.1 | 2.66
Comm | 0.014697 | 0.021565 | 0.029045 | 4.1 | 25.48
Output | 0.0010785 | 0.00132 | 0.0014171 | 0.4 | 1.56
Modify | 0.0059648 | 0.01618 | 0.027615 | 7.9 | 19.12
Other | | 0.03779 | | | 44.65
Nlocal: 25 ave 56 max 0 min
Histogram: 2 0 0 0 0 0 0 1 0 1
Nghost: 5.5 ave 12 max 0 min
Histogram: 2 0 0 0 0 0 0 0 1 1
Neighs: 40 ave 101 max 0 min
Histogram: 2 0 0 0 0 1 0 0 0 1
Total # of neighbors = 160
Ave neighs/atom = 1.6
Neighbor list builds = 275
Dangerous builds = 0
Total wall time: 0:00:00

View File

@ -0,0 +1,633 @@
LAMMPS (15 Sep 2022)
# pour particles into cone-shaped funnel, settle them, let them run out bottom
variable name string funnel_pour
thermo_modify flush yes
units si
variable PI equal 3.141592653589
variable seed equal 14314
###############################################
# Geometry-related parameters
###############################################
variable xlo equal 10
variable xhi equal 40
variable ylo equal 10
variable yhi equal 40
variable zlo equal -20
variable zhi equal 50
variable xc equal 25
variable yc equal 25
variable zconehi equal 50
variable zconelo equal 10
variable zcyllo equal 0
variable radconelo equal 2
variable radconehi equal 20
################################################
# Particle sizes
################################################
variable rlo equal 0.25
variable rhi equal 0.5
variable dlo equal 2.0*${rlo}
variable dlo equal 2.0*0.25
variable dhi equal 2.0*${rhi}
variable dhi equal 2.0*0.5
variable skin equal ${rhi}
variable skin equal 0.5
###############################################
# Granular contact parameters
###############################################
variable coeffRes equal 0.1
variable coeffFric equal 0.5
variable density equal 1.0
variable EYoung equal 10^5
variable Poisson equal 2.0/7.0
variable GShear equal ${EYoung}/(2*(1+${Poisson}))
variable GShear equal 100000/(2*(1+${Poisson}))
variable GShear equal 100000/(2*(1+0.285714285714286))
variable gravity equal 1.0
variable reff equal 0.5*(${rhi}+${rlo})
variable reff equal 0.5*(0.5+${rlo})
variable reff equal 0.5*(0.5+0.25)
variable meff equal ${density}*4.0/3.0*${PI}*${reff}^3
variable meff equal 1*4.0/3.0*${PI}*${reff}^3
variable meff equal 1*4.0/3.0*3.141592653589*${reff}^3
variable meff equal 1*4.0/3.0*3.141592653589*0.375^3
variable min_mass equal ${density}*4.0/3.0*${PI}*${rlo}*${rlo}*${rlo}
variable min_mass equal 1*4.0/3.0*${PI}*${rlo}*${rlo}*${rlo}
variable min_mass equal 1*4.0/3.0*3.141592653589*${rlo}*${rlo}*${rlo}
variable min_mass equal 1*4.0/3.0*3.141592653589*0.25*${rlo}*${rlo}
variable min_mass equal 1*4.0/3.0*3.141592653589*0.25*0.25*${rlo}
variable min_mass equal 1*4.0/3.0*3.141592653589*0.25*0.25*0.25
variable max_mass equal ${density}*4.0/3.0*${PI}*${rhi}*${rhi}*${rhi}
variable max_mass equal 1*4.0/3.0*${PI}*${rhi}*${rhi}*${rhi}
variable max_mass equal 1*4.0/3.0*3.141592653589*${rhi}*${rhi}*${rhi}
variable max_mass equal 1*4.0/3.0*3.141592653589*0.5*${rhi}*${rhi}
variable max_mass equal 1*4.0/3.0*3.141592653589*0.5*0.5*${rhi}
variable max_mass equal 1*4.0/3.0*3.141592653589*0.5*0.5*0.5
## Typical way to set kn, kt, etc.:
variable kn equal 4.0*${GShear}/(3*(1-${Poisson}))
variable kn equal 4.0*38888.8888888889/(3*(1-${Poisson}))
variable kn equal 4.0*38888.8888888889/(3*(1-0.285714285714286))
variable kt equal 4.0*${GShear}/(2-${Poisson})
variable kt equal 4.0*38888.8888888889/(2-${Poisson})
variable kt equal 4.0*38888.8888888889/(2-0.285714285714286)
variable a equal (-2.0*log(${coeffRes})/${PI})^2
variable a equal (-2.0*log(0.1)/${PI})^2
variable a equal (-2.0*log(0.1)/3.141592653589)^2
variable gamma_n equal sqrt($a*2*${kn}/${min_mass}/(1+0.25*$a))
variable gamma_n equal sqrt(0.405284734569556*2*${kn}/${min_mass}/(1+0.25*$a))
variable gamma_n equal sqrt(0.405284734569556*2*72592.5925925926/${min_mass}/(1+0.25*$a))
variable gamma_n equal sqrt(0.405284734569556*2*72592.5925925926/0.0654498469497708/(1+0.25*$a))
variable gamma_n equal sqrt(0.405284734569556*2*72592.5925925926/0.0654498469497708/(1+0.25*0.405284734569556))
variable gamma_t equal ${gamma_n}*0.5
variable gamma_t equal 903.503751814138*0.5
variable tcol equal ${PI}/sqrt(2*${kn}/${min_mass}-${gamma_n}/4.0)
variable tcol equal 3.141592653589/sqrt(2*${kn}/${min_mass}-${gamma_n}/4.0)
variable tcol equal 3.141592653589/sqrt(2*72592.5925925926/${min_mass}-${gamma_n}/4.0)
variable tcol equal 3.141592653589/sqrt(2*72592.5925925926/0.0654498469497708-${gamma_n}/4.0)
variable tcol equal 3.141592653589/sqrt(2*72592.5925925926/0.0654498469497708-903.503751814138/4.0)
variable dt equal ${tcol}*0.05
variable dt equal 0.00210943016014969*0.05
timestep ${dt}
timestep 0.000105471508007485
###############################################
variable dumpfreq equal 1000
variable logfreq equal 1000
newton off
atom_style sphere
boundary p p f
region boxreg block ${xlo} ${xhi} ${ylo} ${yhi} ${zlo} ${zhi}
region boxreg block 10 ${xhi} ${ylo} ${yhi} ${zlo} ${zhi}
region boxreg block 10 40 ${ylo} ${yhi} ${zlo} ${zhi}
region boxreg block 10 40 10 ${yhi} ${zlo} ${zhi}
region boxreg block 10 40 10 40 ${zlo} ${zhi}
region boxreg block 10 40 10 40 -20 ${zhi}
region boxreg block 10 40 10 40 -20 50
create_box 1 boxreg
Created orthogonal box = (10 10 -20) to (40 40 50)
1 by 1 by 1 MPI processor grid
pair_style gran/hertz/history ${kn} ${kt} ${gamma_n} ${gamma_t} ${coeffFric} 1
pair_style gran/hertz/history 72592.5925925926 ${kt} ${gamma_n} ${gamma_t} ${coeffFric} 1
pair_style gran/hertz/history 72592.5925925926 90740.7407407408 ${gamma_n} ${gamma_t} ${coeffFric} 1
pair_style gran/hertz/history 72592.5925925926 90740.7407407408 903.503751814138 ${gamma_t} ${coeffFric} 1
pair_style gran/hertz/history 72592.5925925926 90740.7407407408 903.503751814138 451.751875907069 ${coeffFric} 1
pair_style gran/hertz/history 72592.5925925926 90740.7407407408 903.503751814138 451.751875907069 0.5 1
pair_coeff * *
neighbor ${skin} multi
neighbor 0.5 multi
thermo ${logfreq}
thermo 1000
comm_style brick
comm_modify mode multi group all vel yes
balance 1.1 shift xyz 20 1.1
Balancing ...
Generated 0 of 0 mixed pair_coeff terms from geometric mixing rule
Neighbor list info ...
update: every = 1 steps, delay = 0 steps, check = yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 0
ghost atom cutoff = 0
binsize = 30, bins = 1 1 3
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair gran/hertz/history, perpetual
attributes: half, newton off, size, history
pair build: half/size/multi/newtoff
stencil: full/multi/3d
bin: multi
WARNING: Communication cutoff is 0.0. No ghost atoms will be generated. Atoms may get lost. (../comm_brick.cpp:210)
fix bal all balance 10000 1.1 shift xyz 20 1.01
####################### Options specific to pouring #########################
# insertion region for fix/pour
region insreg cylinder z ${xc} ${yc} 10 30 50 side in units box
region insreg cylinder z 25 ${yc} 10 30 50 side in units box
region insreg cylinder z 25 25 10 30 50 side in units box
# define cone and cylinder regions - see lammps doc on region command
# note new open options
region cylreg cylinder z ${xc} ${yc} ${radconelo} ${zcyllo} ${zconelo} side in units box open 2 #Top is open
region cylreg cylinder z 25 ${yc} ${radconelo} ${zcyllo} ${zconelo} side in units box open 2
region cylreg cylinder z 25 25 ${radconelo} ${zcyllo} ${zconelo} side in units box open 2
region cylreg cylinder z 25 25 2 ${zcyllo} ${zconelo} side in units box open 2
region cylreg cylinder z 25 25 2 0 ${zconelo} side in units box open 2
region cylreg cylinder z 25 25 2 0 10 side in units box open 2
region conereg cone z ${xc} ${yc} ${radconelo} ${radconehi} ${zconelo} ${zconehi} side in units box open 1 open 2 #Bottom and top are open
region conereg cone z 25 ${yc} ${radconelo} ${radconehi} ${zconelo} ${zconehi} side in units box open 1 open 2
region conereg cone z 25 25 ${radconelo} ${radconehi} ${zconelo} ${zconehi} side in units box open 1 open 2
region conereg cone z 25 25 2 ${radconehi} ${zconelo} ${zconehi} side in units box open 1 open 2
region conereg cone z 25 25 2 20 ${zconelo} ${zconehi} side in units box open 1 open 2
region conereg cone z 25 25 2 20 10 ${zconehi} side in units box open 1 open 2
region conereg cone z 25 25 2 20 10 50 side in units box open 1 open 2
region hopreg union 2 conereg cylreg
fix grav all gravity ${gravity} vector 0 0 -1
fix grav all gravity 1 vector 0 0 -1
fix 1 all nve/sphere
fix hopper3 all wall/gran/region hertz/history ${kn} ${kt} ${gamma_n} ${gamma_t} ${coeffFric} 1 region hopreg
fix hopper3 all wall/gran/region hertz/history 72592.5925925926 ${kt} ${gamma_n} ${gamma_t} ${coeffFric} 1 region hopreg
fix hopper3 all wall/gran/region hertz/history 72592.5925925926 90740.7407407408 ${gamma_n} ${gamma_t} ${coeffFric} 1 region hopreg
fix hopper3 all wall/gran/region hertz/history 72592.5925925926 90740.7407407408 903.503751814138 ${gamma_t} ${coeffFric} 1 region hopreg
fix hopper3 all wall/gran/region hertz/history 72592.5925925926 90740.7407407408 903.503751814138 451.751875907069 ${coeffFric} 1 region hopreg
fix hopper3 all wall/gran/region hertz/history 72592.5925925926 90740.7407407408 903.503751814138 451.751875907069 0.5 1 region hopreg
fix ins all pour 2000 1 42424 region insreg diam range ${dlo} ${dhi} dens ${density} ${density}
fix ins all pour 2000 1 42424 region insreg diam range 0.5 ${dhi} dens ${density} ${density}
fix ins all pour 2000 1 42424 region insreg diam range 0.5 1 dens ${density} ${density}
fix ins all pour 2000 1 42424 region insreg diam range 0.5 1 dens 1 ${density}
fix ins all pour 2000 1 42424 region insreg diam range 0.5 1 dens 1 1
Particle insertion: 3000 every 59965 steps, 2000 by step 1
#dump 1 all custom ${dumpfreq} ${name}.dump # id type mass diameter x y z
#dump 2 all image 4000 image.*.jpg type type # axes yes 0.8 0.02 view 60 -30 zoom 3.0 # box no 0.0 axes no 0.0 0.0
#dump_modify 2 pad 6
thermo_style custom step cpu atoms ke
WARNING: New thermo_style command, previous thermo_modify settings will be lost (../output.cpp:896)
thermo_modify flush yes lost warn
# Initial run to fill up the cone
run 20000
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Your simulation uses code contributions which should be cited:
- neighbor multi command: doi:10.1016/j.cpc.2008.03.005, doi:10.1007/s40571-020-00361-2
@Article{Intveld08,
author = {in 't Veld, P. J. and S. J.~Plimpton and G. S. Grest},
title = {Accurate and Efficient Methods for Modeling Colloidal
Mixtures in an Explicit Solvent using Molecular Dynamics},
journal = {Comput.\ Phys.\ Commut.},
year = 2008,
volume = 179,
pages = {320--329}
}
@article{Shire2020,
author = {Shire, Tom and Hanley, Kevin J. and Stratford, Kevin},
title = {{DEM} Simulations of Polydisperse Media: Efficient Contact
Detection Applied to Investigate the Quasi-Static Limit},
journal = {Computational Particle Mechanics},
year = {2020}
}
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Generated 0 of 0 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 6.648 | 6.648 | 6.648 Mbytes
Step CPU Atoms KinEng
0 0 0 -0
1000 0.39961733 2000 -0
2000 0.61811961 2000 -0
3000 0.83512725 2000 -0
4000 1.0492881 2000 -0
5000 1.2650657 2000 -0
6000 1.479921 2000 -0
7000 1.6970993 2000 -0
8000 1.9107924 2000 -0
9000 2.1251713 2000 -0
10000 2.3403682 2000 -0
11000 2.549912 2000 -0
12000 2.7584788 2000 -0
13000 2.9712482 2000 -0
14000 3.1877015 2000 -0
15000 3.4017175 2000 -0
16000 3.6127477 2000 -0
17000 3.8250134 2000 -0
18000 4.0320643 2000 -0
19000 4.2371057 2000 -0
20000 4.4450882 2000 -0
Loop time of 4.44512 on 1 procs for 20000 steps with 2000 atoms
98.7% CPU use with 1 MPI tasks x no OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.40438 | 0.40438 | 0.40438 | 0.0 | 9.10
Neigh | 0.078634 | 0.078634 | 0.078634 | 0.0 | 1.77
Comm | 0.01999 | 0.01999 | 0.01999 | 0.0 | 0.45
Output | 0.00069031 | 0.00069031 | 0.00069031 | 0.0 | 0.02
Modify | 3.795 | 3.795 | 3.795 | 0.0 | 85.38
Other | | 0.1464 | | | 3.29
Nlocal: 2000 ave 2000 max 2000 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: 1607 ave 1607 max 1607 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 1607
Ave neighs/atom = 0.8035
Neighbor list builds = 71
Dangerous builds = 0
unfix ins
run 150000
Generated 0 of 0 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 12.69 | 12.69 | 12.69 Mbytes
Step CPU Atoms KinEng
20000 0 2000 6652.2957
21000 0.2135317 2000 6807.2201
22000 0.4235523 2000 6973.9359
23000 0.63502794 2000 7142.3648
24000 0.84593615 2000 7276.9717
25000 1.0580291 2000 7369.4191
26000 1.2719892 2000 7497.6526
27000 1.4843056 2000 7638.946
28000 1.9685336 2000 7780.0339
29000 2.1850097 2000 7881.8177
30000 2.4033006 2000 7967.2641
31000 2.6219694 2000 7994.9273
32000 2.8455468 2000 7937.0671
33000 3.0720066 2000 7774.0508
34000 3.3070513 2000 7591.1491
35000 3.5468777 2000 7357.5176
36000 3.7908265 2000 7147.2024
37000 4.0388657 2000 6979.1604
38000 4.2873223 2000 6813.2152
39000 4.5424244 2000 6660.2701
40000 4.8055367 2000 6502.8957
41000 5.0754561 2000 6324.3951
42000 5.3564118 2000 6132.7516
43000 5.6357256 2000 5913.1841
44000 5.9130645 2000 5732.2095
45000 6.1943539 2000 5508.8322
46000 6.4862302 2000 5306.8932
47000 6.7796417 2000 5152.0521
48000 7.0750069 2000 5028.2274
49000 7.3705252 2000 4896.102
50000 7.6693894 2000 4723.5189
51000 7.9685182 2000 4583.7526
52000 8.2774033 2000 4447.0187
53000 8.591482 2000 4303.2307
54000 8.9156439 2000 4168.5251
55000 9.2437364 2000 4036.9704
56000 9.5745684 2000 3901.1183
57000 9.9173689 2000 3716.7071
58000 10.270229 2000 3473.5422
59000 10.629101 2000 3245.1223
60000 10.989479 2000 3039.7845
61000 11.349843 2000 2780.0187
62000 11.716916 2000 2577.3345
63000 12.093666 2000 2346.2488
64000 12.474788 2000 2116.7298
65000 12.861438 2000 1903.7828
66000 13.25464 2000 1631.1676
67000 13.658382 2000 1431.0198
68000 14.067584 2000 1212.875
69000 14.480877 2000 995.45046
70000 14.894765 2000 811.54766
71000 15.309158 2000 624.08622
72000 15.732937 2000 471.00862
73000 16.158388 2000 358.33486
74000 16.583847 2000 284.39416
75000 17.008335 2000 234.26671
76000 17.429582 2000 185.61836
77000 17.852799 2000 152.95918
78000 18.276783 2000 122.49023
79000 18.697016 2000 102.29396
80000 19.12318 2000 86.284684
81000 19.54992 2000 73.984781
82000 19.986149 2000 63.042918
83000 20.430305 2000 53.338428
84000 20.876061 2000 45.89585
85000 21.32714 2000 40.412826
86000 21.781352 2000 34.183381
87000 22.238656 2000 29.671524
88000 22.698093 2000 26.90414
89000 23.160614 2000 24.362631
90000 23.630639 2000 21.887341
91000 24.095463 2000 19.985662
92000 24.570659 2000 18.728162
93000 25.047431 2000 16.99941
94000 25.549041 2000 15.71941
95000 26.03281 2000 14.744057
96000 26.513659 2000 14.214918
97000 26.998918 2000 13.450182
98000 27.486584 2000 12.79222
99000 27.986785 2000 12.10595
100000 28.48799 2000 11.281863
101000 28.986622 2000 10.025419
102000 29.491312 2000 9.9574468
103000 29.999421 2000 9.4078117
104000 30.507211 2000 8.9079161
105000 31.016484 2000 8.6269302
106000 31.527511 2000 8.5512649
107000 32.042612 2000 8.4703948
108000 32.555041 2000 8.2747542
109000 33.07064 2000 8.2895118
110000 33.593773 2000 8.1785613
111000 34.107129 2000 7.8443234
112000 34.619185 2000 7.7436124
113000 35.13418 2000 7.8118604
114000 35.653352 2000 7.3806177
115000 36.179577 2000 7.0857235
116000 36.69882 2000 7.1346752
117000 37.224612 2000 7.0653751
118000 37.756738 2000 6.6314104
119000 38.283151 2000 6.2169614
120000 38.808288 2000 5.8988829
121000 39.334913 2000 5.4197277
122000 39.862081 2000 4.6381303
123000 40.390252 2000 4.4949206
124000 40.920744 2000 4.4261118
125000 41.4469 2000 4.4223703
126000 41.977937 2000 4.4858898
127000 42.51483 2000 4.3312536
128000 43.046324 2000 3.7124973
129000 43.573687 2000 3.5467396
130000 44.103102 2000 3.5104139
131000 44.629869 2000 3.5725612
132000 45.156621 2000 3.669455
133000 45.69364 2000 3.6168912
134000 46.23133 2000 3.3598517
135000 46.765487 2000 3.3743407
136000 47.323693 2000 3.1109764
137000 47.881617 2000 3.0720146
138000 48.439179 2000 3.1303776
139000 49.001417 2000 3.2052806
140000 49.558061 2000 2.8958882
141000 50.097789 2000 2.9931572
142000 50.636089 2000 3.0967832
143000 51.175873 2000 3.0576365
144000 51.706799 2000 3.2016943
145000 52.239356 2000 3.3817709
146000 52.769944 2000 3.4527239
147000 53.30872 2000 3.5928733
148000 53.847762 2000 3.7784682
149000 54.387455 2000 3.6587944
150000 54.931594 2000 3.7945669
151000 55.470076 2000 3.5551557
152000 56.01448 2000 3.6248848
153000 56.552259 2000 3.7361463
154000 57.092655 2000 3.8534319
155000 57.635767 2000 4.0101408
156000 58.180249 2000 3.7670652
157000 58.724032 2000 3.1487676
158000 59.262015 2000 2.980076
159000 59.794312 2000 3.0350592
160000 60.331617 2000 3.125389
161000 60.861827 2000 2.7516115
162000 61.396691 2000 2.413911
163000 61.930145 2000 2.297713
164000 62.466983 2000 2.3190806
165000 63.00535 2000 2.2868879
166000 63.546881 2000 2.1658547
167000 64.091461 2000 1.7511071
168000 64.63141 2000 1.4112478
169000 65.17459 2000 1.3623558
170000 65.719571 2000 1.3701579
Loop time of 65.7196 on 1 procs for 150000 steps with 2000 atoms
98.9% CPU use with 1 MPI tasks x no OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 32.424 | 32.424 | 32.424 | 0.0 | 49.34
Neigh | 0.65326 | 0.65326 | 0.65326 | 0.0 | 0.99
Comm | 0.14207 | 0.14207 | 0.14207 | 0.0 | 0.22
Output | 0.26326 | 0.26326 | 0.26326 | 0.0 | 0.40
Modify | 31.109 | 31.109 | 31.109 | 0.0 | 47.34
Other | | 1.128 | | | 1.72
Nlocal: 2000 ave 2000 max 2000 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: 15308 ave 15308 max 15308 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 15308
Ave neighs/atom = 7.654
Neighbor list builds = 367
Dangerous builds = 0
# remove "plug" - need to redefine cylinder region & union
region cylreg delete
region hopreg delete
region cylreg cylinder z ${xc} ${yc} ${radconelo} ${zcyllo} ${zconelo} side in units box open 1 open 2 #Bottom & top are open
region cylreg cylinder z 25 ${yc} ${radconelo} ${zcyllo} ${zconelo} side in units box open 1 open 2
region cylreg cylinder z 25 25 ${radconelo} ${zcyllo} ${zconelo} side in units box open 1 open 2
region cylreg cylinder z 25 25 2 ${zcyllo} ${zconelo} side in units box open 1 open 2
region cylreg cylinder z 25 25 2 0 ${zconelo} side in units box open 1 open 2
region cylreg cylinder z 25 25 2 0 10 side in units box open 1 open 2
region hopreg union 2 cylreg conereg
unfix hopper3
fix hopper3 all wall/gran/region hertz/history ${kn} ${kt} ${gamma_n} ${gamma_t} ${coeffFric} 1 region hopreg
fix hopper3 all wall/gran/region hertz/history 72592.5925925926 ${kt} ${gamma_n} ${gamma_t} ${coeffFric} 1 region hopreg
fix hopper3 all wall/gran/region hertz/history 72592.5925925926 90740.7407407408 ${gamma_n} ${gamma_t} ${coeffFric} 1 region hopreg
fix hopper3 all wall/gran/region hertz/history 72592.5925925926 90740.7407407408 903.503751814138 ${gamma_t} ${coeffFric} 1 region hopreg
fix hopper3 all wall/gran/region hertz/history 72592.5925925926 90740.7407407408 903.503751814138 451.751875907069 ${coeffFric} 1 region hopreg
fix hopper3 all wall/gran/region hertz/history 72592.5925925926 90740.7407407408 903.503751814138 451.751875907069 0.5 1 region hopreg
run 100000
Generated 0 of 0 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 12.69 | 12.69 | 12.69 Mbytes
Step CPU Atoms KinEng
170000 0 2000 1.3701579
171000 0.54961146 2000 2.3724823
172000 1.0905775 2000 3.5881441
173000 1.6190656 2000 5.3771633
174000 2.1428619 2000 7.5896471
175000 2.6623327 2000 10.77251
176000 3.1738773 2000 14.806868
177000 3.6751053 2000 19.607624
178000 4.17465 2000 25.426227
179000 4.6736143 2000 32.23584
180000 5.1769137 2000 39.930468
181000 5.6766809 2000 47.686304
182000 6.1722504 2000 56.506806
183000 6.6603586 2000 66.514326
184000 7.1473381 2000 77.554644
185000 7.6343824 2000 89.224002
186000 8.1170225 2000 102.07846
187000 8.598305 2000 116.08141
188000 9.0708108 2000 130.97964
189000 9.5435695 2000 146.77806
190000 10.015069 2000 162.79858
191000 10.480992 2000 179.02052
192000 10.941896 2000 196.26683
193000 11.398748 2000 214.38928
194000 11.856098 2000 232.32068
195000 12.314324 2000 251.74644
196000 12.765746 2000 272.25231
197000 13.216453 2000 294.64075
198000 13.663698 2000 318.32895
199000 14.109901 2000 342.44005
200000 14.560399 2000 368.35469
201000 15.008158 2000 395.2465
202000 15.460487 2000 422.63599
203000 15.913115 2000 450.45248
204000 16.363656 2000 479.60812
205000 16.816929 2000 510.44155
206000 17.265488 2000 543.25751
207000 17.707782 2000 577.35928
208000 18.151051 2000 612.29718
209000 18.588363 2000 647.8951
210000 19.027167 2000 683.79409
211000 19.463213 2000 720.36556
212000 19.901783 2000 759.27331
213000 20.340436 2000 798.27302
214000 20.775782 2000 837.93849
215000 21.207465 2000 877.92945
216000 21.641572 2000 919.62532
217000 22.077351 2000 962.83509
218000 22.517089 2000 1008.5243
219000 22.948683 2000 1054.5769
220000 23.381029 2000 1103.1843
221000 23.809214 2000 1153.0349
222000 24.246127 2000 1204.5599
223000 24.677676 2000 1257.1367
224000 25.113989 2000 1308.6735
WARNING: Lost atoms: original 2000 current 1999 (../thermo.cpp:486)
225000 25.549621 1999 1360.1205
226000 25.977155 1998 1404.8405
227000 26.406475 1996 1448.4869
228000 26.832152 1992 1491.8112
229000 27.25327 1985 1518.7013
230000 27.672907 1971 1507.6699
231000 28.086761 1965 1533.5096
232000 28.500134 1948 1489.4128
233000 28.912212 1933 1477.4536
234000 29.320197 1915 1425.8398
235000 29.723669 1904 1410.1451
236000 30.124339 1892 1401.7595
237000 30.523539 1880 1368.893
238000 30.919483 1868 1341.8885
239000 31.313194 1850 1286.7968
240000 31.711659 1833 1219.5123
241000 32.106468 1820 1173.3608
242000 32.505486 1806 1106.0727
243000 32.905579 1788 1035.912
244000 33.303155 1779 1021.6147
245000 33.696614 1767 969.40032
246000 34.083545 1757 939.12022
247000 34.472486 1739 840.9396
248000 34.858907 1730 822.06575
249000 35.248061 1719 762.11057
250000 35.639608 1707 708.50308
251000 36.029812 1700 692.12647
252000 36.428881 1697 694.5812
253000 36.821304 1686 652.36951
254000 37.203008 1682 662.95256
255000 37.576678 1677 637.34619
256000 37.952398 1672 630.71277
257000 38.336834 1669 641.87365
258000 38.719421 1665 635.862
259000 39.104236 1664 658.5339
260000 39.484223 1662 669.95468
261000 39.861203 1660 676.93495
262000 40.240183 1657 681.72646
263000 40.614974 1655 687.4078
264000 40.99447 1651 681.61352
265000 41.368018 1647 673.20622
266000 41.740288 1644 677.30073
267000 42.111704 1641 671.05897
268000 42.479868 1639 689.55776
269000 42.851008 1637 711.98809
270000 43.22438 1633 705.29974
Loop time of 43.2244 on 1 procs for 100000 steps with 1633 atoms
99.2% CPU use with 1 MPI tasks x no OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 22.312 | 22.312 | 22.312 | 0.0 | 51.62
Neigh | 0.47451 | 0.47451 | 0.47451 | 0.0 | 1.10
Comm | 0.093822 | 0.093822 | 0.093822 | 0.0 | 0.22
Output | 0.0028326 | 0.0028326 | 0.0028326 | 0.0 | 0.01
Modify | 19.626 | 19.626 | 19.626 | 0.0 | 45.40
Other | | 0.7152 | | | 1.65
Nlocal: 1633 ave 1633 max 1633 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: 11358 ave 11358 max 11358 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 11358
Ave neighs/atom = 6.955297
Neighbor list builds = 244
Dangerous builds = 0
Total wall time: 0:01:53

View File

@ -0,0 +1,633 @@
LAMMPS (15 Sep 2022)
# pour particles into cone-shaped funnel, settle them, let them run out bottom
variable name string funnel_pour
thermo_modify flush yes
units si
variable PI equal 3.141592653589
variable seed equal 14314
###############################################
# Geometry-related parameters
###############################################
variable xlo equal 10
variable xhi equal 40
variable ylo equal 10
variable yhi equal 40
variable zlo equal -20
variable zhi equal 50
variable xc equal 25
variable yc equal 25
variable zconehi equal 50
variable zconelo equal 10
variable zcyllo equal 0
variable radconelo equal 2
variable radconehi equal 20
################################################
# Particle sizes
################################################
variable rlo equal 0.25
variable rhi equal 0.5
variable dlo equal 2.0*${rlo}
variable dlo equal 2.0*0.25
variable dhi equal 2.0*${rhi}
variable dhi equal 2.0*0.5
variable skin equal ${rhi}
variable skin equal 0.5
###############################################
# Granular contact parameters
###############################################
variable coeffRes equal 0.1
variable coeffFric equal 0.5
variable density equal 1.0
variable EYoung equal 10^5
variable Poisson equal 2.0/7.0
variable GShear equal ${EYoung}/(2*(1+${Poisson}))
variable GShear equal 100000/(2*(1+${Poisson}))
variable GShear equal 100000/(2*(1+0.285714285714286))
variable gravity equal 1.0
variable reff equal 0.5*(${rhi}+${rlo})
variable reff equal 0.5*(0.5+${rlo})
variable reff equal 0.5*(0.5+0.25)
variable meff equal ${density}*4.0/3.0*${PI}*${reff}^3
variable meff equal 1*4.0/3.0*${PI}*${reff}^3
variable meff equal 1*4.0/3.0*3.141592653589*${reff}^3
variable meff equal 1*4.0/3.0*3.141592653589*0.375^3
variable min_mass equal ${density}*4.0/3.0*${PI}*${rlo}*${rlo}*${rlo}
variable min_mass equal 1*4.0/3.0*${PI}*${rlo}*${rlo}*${rlo}
variable min_mass equal 1*4.0/3.0*3.141592653589*${rlo}*${rlo}*${rlo}
variable min_mass equal 1*4.0/3.0*3.141592653589*0.25*${rlo}*${rlo}
variable min_mass equal 1*4.0/3.0*3.141592653589*0.25*0.25*${rlo}
variable min_mass equal 1*4.0/3.0*3.141592653589*0.25*0.25*0.25
variable max_mass equal ${density}*4.0/3.0*${PI}*${rhi}*${rhi}*${rhi}
variable max_mass equal 1*4.0/3.0*${PI}*${rhi}*${rhi}*${rhi}
variable max_mass equal 1*4.0/3.0*3.141592653589*${rhi}*${rhi}*${rhi}
variable max_mass equal 1*4.0/3.0*3.141592653589*0.5*${rhi}*${rhi}
variable max_mass equal 1*4.0/3.0*3.141592653589*0.5*0.5*${rhi}
variable max_mass equal 1*4.0/3.0*3.141592653589*0.5*0.5*0.5
## Typical way to set kn, kt, etc.:
variable kn equal 4.0*${GShear}/(3*(1-${Poisson}))
variable kn equal 4.0*38888.8888888889/(3*(1-${Poisson}))
variable kn equal 4.0*38888.8888888889/(3*(1-0.285714285714286))
variable kt equal 4.0*${GShear}/(2-${Poisson})
variable kt equal 4.0*38888.8888888889/(2-${Poisson})
variable kt equal 4.0*38888.8888888889/(2-0.285714285714286)
variable a equal (-2.0*log(${coeffRes})/${PI})^2
variable a equal (-2.0*log(0.1)/${PI})^2
variable a equal (-2.0*log(0.1)/3.141592653589)^2
variable gamma_n equal sqrt($a*2*${kn}/${min_mass}/(1+0.25*$a))
variable gamma_n equal sqrt(0.405284734569556*2*${kn}/${min_mass}/(1+0.25*$a))
variable gamma_n equal sqrt(0.405284734569556*2*72592.5925925926/${min_mass}/(1+0.25*$a))
variable gamma_n equal sqrt(0.405284734569556*2*72592.5925925926/0.0654498469497708/(1+0.25*$a))
variable gamma_n equal sqrt(0.405284734569556*2*72592.5925925926/0.0654498469497708/(1+0.25*0.405284734569556))
variable gamma_t equal ${gamma_n}*0.5
variable gamma_t equal 903.503751814138*0.5
variable tcol equal ${PI}/sqrt(2*${kn}/${min_mass}-${gamma_n}/4.0)
variable tcol equal 3.141592653589/sqrt(2*${kn}/${min_mass}-${gamma_n}/4.0)
variable tcol equal 3.141592653589/sqrt(2*72592.5925925926/${min_mass}-${gamma_n}/4.0)
variable tcol equal 3.141592653589/sqrt(2*72592.5925925926/0.0654498469497708-${gamma_n}/4.0)
variable tcol equal 3.141592653589/sqrt(2*72592.5925925926/0.0654498469497708-903.503751814138/4.0)
variable dt equal ${tcol}*0.05
variable dt equal 0.00210943016014969*0.05
timestep ${dt}
timestep 0.000105471508007485
###############################################
variable dumpfreq equal 1000
variable logfreq equal 1000
newton off
atom_style sphere
boundary p p f
region boxreg block ${xlo} ${xhi} ${ylo} ${yhi} ${zlo} ${zhi}
region boxreg block 10 ${xhi} ${ylo} ${yhi} ${zlo} ${zhi}
region boxreg block 10 40 ${ylo} ${yhi} ${zlo} ${zhi}
region boxreg block 10 40 10 ${yhi} ${zlo} ${zhi}
region boxreg block 10 40 10 40 ${zlo} ${zhi}
region boxreg block 10 40 10 40 -20 ${zhi}
region boxreg block 10 40 10 40 -20 50
create_box 1 boxreg
Created orthogonal box = (10 10 -20) to (40 40 50)
1 by 1 by 4 MPI processor grid
pair_style gran/hertz/history ${kn} ${kt} ${gamma_n} ${gamma_t} ${coeffFric} 1
pair_style gran/hertz/history 72592.5925925926 ${kt} ${gamma_n} ${gamma_t} ${coeffFric} 1
pair_style gran/hertz/history 72592.5925925926 90740.7407407408 ${gamma_n} ${gamma_t} ${coeffFric} 1
pair_style gran/hertz/history 72592.5925925926 90740.7407407408 903.503751814138 ${gamma_t} ${coeffFric} 1
pair_style gran/hertz/history 72592.5925925926 90740.7407407408 903.503751814138 451.751875907069 ${coeffFric} 1
pair_style gran/hertz/history 72592.5925925926 90740.7407407408 903.503751814138 451.751875907069 0.5 1
pair_coeff * *
neighbor ${skin} multi
neighbor 0.5 multi
thermo ${logfreq}
thermo 1000
comm_style brick
comm_modify mode multi group all vel yes
balance 1.1 shift xyz 20 1.1
Balancing ...
Generated 0 of 0 mixed pair_coeff terms from geometric mixing rule
Neighbor list info ...
update: every = 1 steps, delay = 0 steps, check = yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 0
ghost atom cutoff = 0
binsize = 30, bins = 1 1 3
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair gran/hertz/history, perpetual
attributes: half, newton off, size, history
pair build: half/size/multi/newtoff
stencil: full/multi/3d
bin: multi
WARNING: Communication cutoff is 0.0. No ghost atoms will be generated. Atoms may get lost. (../comm_brick.cpp:210)
fix bal all balance 10000 1.1 shift xyz 20 1.01
####################### Options specific to pouring #########################
# insertion region for fix/pour
region insreg cylinder z ${xc} ${yc} 10 30 50 side in units box
region insreg cylinder z 25 ${yc} 10 30 50 side in units box
region insreg cylinder z 25 25 10 30 50 side in units box
# define cone and cylinder regions - see lammps doc on region command
# note new open options
region cylreg cylinder z ${xc} ${yc} ${radconelo} ${zcyllo} ${zconelo} side in units box open 2 #Top is open
region cylreg cylinder z 25 ${yc} ${radconelo} ${zcyllo} ${zconelo} side in units box open 2
region cylreg cylinder z 25 25 ${radconelo} ${zcyllo} ${zconelo} side in units box open 2
region cylreg cylinder z 25 25 2 ${zcyllo} ${zconelo} side in units box open 2
region cylreg cylinder z 25 25 2 0 ${zconelo} side in units box open 2
region cylreg cylinder z 25 25 2 0 10 side in units box open 2
region conereg cone z ${xc} ${yc} ${radconelo} ${radconehi} ${zconelo} ${zconehi} side in units box open 1 open 2 #Bottom and top are open
region conereg cone z 25 ${yc} ${radconelo} ${radconehi} ${zconelo} ${zconehi} side in units box open 1 open 2
region conereg cone z 25 25 ${radconelo} ${radconehi} ${zconelo} ${zconehi} side in units box open 1 open 2
region conereg cone z 25 25 2 ${radconehi} ${zconelo} ${zconehi} side in units box open 1 open 2
region conereg cone z 25 25 2 20 ${zconelo} ${zconehi} side in units box open 1 open 2
region conereg cone z 25 25 2 20 10 ${zconehi} side in units box open 1 open 2
region conereg cone z 25 25 2 20 10 50 side in units box open 1 open 2
region hopreg union 2 conereg cylreg
fix grav all gravity ${gravity} vector 0 0 -1
fix grav all gravity 1 vector 0 0 -1
fix 1 all nve/sphere
fix hopper3 all wall/gran/region hertz/history ${kn} ${kt} ${gamma_n} ${gamma_t} ${coeffFric} 1 region hopreg
fix hopper3 all wall/gran/region hertz/history 72592.5925925926 ${kt} ${gamma_n} ${gamma_t} ${coeffFric} 1 region hopreg
fix hopper3 all wall/gran/region hertz/history 72592.5925925926 90740.7407407408 ${gamma_n} ${gamma_t} ${coeffFric} 1 region hopreg
fix hopper3 all wall/gran/region hertz/history 72592.5925925926 90740.7407407408 903.503751814138 ${gamma_t} ${coeffFric} 1 region hopreg
fix hopper3 all wall/gran/region hertz/history 72592.5925925926 90740.7407407408 903.503751814138 451.751875907069 ${coeffFric} 1 region hopreg
fix hopper3 all wall/gran/region hertz/history 72592.5925925926 90740.7407407408 903.503751814138 451.751875907069 0.5 1 region hopreg
fix ins all pour 2000 1 42424 region insreg diam range ${dlo} ${dhi} dens ${density} ${density}
fix ins all pour 2000 1 42424 region insreg diam range 0.5 ${dhi} dens ${density} ${density}
fix ins all pour 2000 1 42424 region insreg diam range 0.5 1 dens ${density} ${density}
fix ins all pour 2000 1 42424 region insreg diam range 0.5 1 dens 1 ${density}
fix ins all pour 2000 1 42424 region insreg diam range 0.5 1 dens 1 1
Particle insertion: 3000 every 59965 steps, 2000 by step 1
#dump 1 all custom ${dumpfreq} ${name}.dump # id type mass diameter x y z
#dump 2 all image 4000 image.*.jpg type type # axes yes 0.8 0.02 view 60 -30 zoom 3.0 # box no 0.0 axes no 0.0 0.0
#dump_modify 2 pad 6
thermo_style custom step cpu atoms ke
WARNING: New thermo_style command, previous thermo_modify settings will be lost (../output.cpp:896)
thermo_modify flush yes lost warn
# Initial run to fill up the cone
run 20000
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Your simulation uses code contributions which should be cited:
- neighbor multi command: doi:10.1016/j.cpc.2008.03.005, doi:10.1007/s40571-020-00361-2
@Article{Intveld08,
author = {in 't Veld, P. J. and S. J.~Plimpton and G. S. Grest},
title = {Accurate and Efficient Methods for Modeling Colloidal
Mixtures in an Explicit Solvent using Molecular Dynamics},
journal = {Comput.\ Phys.\ Commut.},
year = 2008,
volume = 179,
pages = {320--329}
}
@article{Shire2020,
author = {Shire, Tom and Hanley, Kevin J. and Stratford, Kevin},
title = {{DEM} Simulations of Polydisperse Media: Efficient Contact
Detection Applied to Investigate the Quasi-Static Limit},
journal = {Computational Particle Mechanics},
year = {2020}
}
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Generated 0 of 0 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 6.049 | 6.049 | 6.049 Mbytes
Step CPU Atoms KinEng
0 0 0 -0
1000 0.4194951 2000 -0
2000 0.61516729 2000 -0
3000 0.80702516 2000 -0
4000 0.99253349 2000 -0
5000 1.172741 2000 -0
6000 1.3484682 2000 -0
7000 1.5206253 2000 -0
8000 1.6875025 2000 -0
9000 1.8503087 2000 -0
10000 2.0125622 2000 -0
11000 2.0890872 2000 -0
12000 2.1663582 2000 -0
13000 2.2430386 2000 -0
14000 2.320045 2000 -0
15000 2.3989769 2000 -0
16000 2.4824747 2000 -0
17000 2.5693391 2000 -0
18000 2.6595183 2000 -0
19000 2.752627 2000 -0
20000 2.8503071 2000 -0
Loop time of 2.85034 on 4 procs for 20000 steps with 2000 atoms
98.0% CPU use with 4 MPI tasks x no OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.04057 | 0.088166 | 0.18377 | 18.9 | 3.09
Neigh | 0.0072649 | 0.014273 | 0.025073 | 5.5 | 0.50
Comm | 0.097843 | 0.19506 | 0.29871 | 19.9 | 6.84
Output | 0.00099986 | 0.0018246 | 0.0023299 | 1.2 | 0.06
Modify | 0.68567 | 1.1174 | 1.9527 | 46.8 | 39.20
Other | | 1.434 | | | 50.30
Nlocal: 500 ave 510 max 493 min
Histogram: 1 1 0 0 0 1 0 0 0 1
Nghost: 154 ave 227 max 79 min
Histogram: 1 0 0 0 1 0 1 0 0 1
Neighs: 415.5 ave 610 max 258 min
Histogram: 1 1 0 0 0 0 1 0 0 1
Total # of neighbors = 1662
Ave neighs/atom = 0.831
Neighbor list builds = 71
Dangerous builds = 0
unfix ins
run 150000
Generated 0 of 0 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 12.33 | 12.5 | 12.68 Mbytes
Step CPU Atoms KinEng
20000 0 2000 6652.2957
21000 0.069761009 2000 6807.2201
22000 0.14277925 2000 6973.9359
23000 0.21755553 2000 7142.3648
24000 0.29656838 2000 7276.9717
25000 0.3791331 2000 7369.4191
26000 0.46663378 2000 7497.6526
27000 0.55670237 2000 7638.946
28000 0.65212555 2000 7780.0339
29000 0.75032507 2000 7881.8177
30000 0.85580942 2000 7967.2641
31000 0.93204785 2000 7994.9273
32000 1.0168325 2000 7937.0672
33000 1.1081585 2000 7774.0508
34000 1.2084122 2000 7591.1511
35000 1.3164174 2000 7357.5032
36000 1.4326847 2000 7147.3776
37000 1.5548919 2000 6980.0719
38000 1.6806183 2000 6813.0872
39000 1.8171138 2000 6657.0693
40000 1.9655069 2000 6505.1155
41000 2.0788398 2000 6330.2864
42000 2.1972941 2000 6147.8022
43000 2.3180177 2000 5932.9244
44000 2.4424194 2000 5755.296
45000 2.5679759 2000 5511.622
46000 2.7042099 2000 5332.3171
47000 2.8436403 2000 5162.4926
48000 2.983017 2000 5044.5764
49000 3.1228322 2000 4901.1141
50000 3.2614172 2000 4731.1949
51000 3.3835559 2000 4575.418
52000 3.5097034 2000 4428.9425
53000 3.6438561 2000 4291.7282
54000 3.7823058 2000 4154.1885
55000 3.9269393 2000 3994.9402
56000 4.0761939 2000 3855.5977
57000 4.2262191 2000 3672.9504
58000 4.3809045 2000 3435.3395
59000 4.5439971 2000 3200.7379
60000 4.7111867 2000 2986.5411
61000 4.8700167 2000 2747.3628
62000 5.030656 2000 2542.0805
63000 5.1932098 2000 2336.7687
64000 5.3585095 2000 2151.6388
65000 5.5278279 2000 1933.6773
66000 5.7032072 2000 1699.0747
67000 5.8804545 2000 1467.7209
68000 6.0598984 2000 1227.3577
69000 6.2471961 2000 1016.2766
70000 6.4413532 2000 812.90843
71000 6.615215 2000 632.88108
72000 6.7897335 2000 470.67731
73000 6.964705 2000 360.47748
74000 7.1361808 2000 286.10584
75000 7.3068097 2000 229.70386
76000 7.4771974 2000 179.62654
77000 7.6485358 2000 142.40417
78000 7.8200771 2000 113.55745
79000 7.9923688 2000 93.787669
80000 8.164219 2000 80.646319
81000 8.3372059 2000 70.944319
82000 8.5130035 2000 59.2275
83000 8.6877383 2000 49.633808
84000 8.8675712 2000 42.882698
85000 9.0509682 2000 36.841824
86000 9.2393665 2000 31.776681
87000 9.4296116 2000 28.25076
88000 9.622196 2000 25.228966
89000 9.8176023 2000 22.593627
90000 10.01325 2000 21.15796
91000 10.204474 2000 19.941629
92000 10.399553 2000 18.375654
93000 10.596683 2000 17.056701
94000 10.796988 2000 16.192511
95000 10.998545 2000 15.572922
96000 11.200614 2000 14.827788
97000 11.402484 2000 13.919613
98000 11.606219 2000 13.19525
99000 11.81042 2000 11.993376
100000 12.018294 2000 11.258787
101000 12.223702 2000 10.641688
102000 12.432026 2000 10.430435
103000 12.640962 2000 9.518069
104000 12.849109 2000 9.1332086
105000 13.05872 2000 9.2151611
106000 13.269956 2000 9.0035132
107000 13.481882 2000 8.7835861
108000 13.693895 2000 8.5124479
109000 13.906381 2000 8.2975453
110000 14.120217 2000 8.3483043
111000 14.332078 2000 8.4658572
112000 14.54349 2000 8.4771784
113000 14.755719 2000 7.8937975
114000 14.968619 2000 7.2472953
115000 15.180485 2000 6.5812074
116000 15.394405 2000 5.5651566
117000 15.607523 2000 5.3015807
118000 15.821873 2000 5.0133941
119000 16.035675 2000 4.8746036
120000 16.24964 2000 4.9133073
121000 16.462102 2000 4.3337392
122000 16.676371 2000 4.3374836
123000 16.890252 2000 4.3721818
124000 17.106594 2000 4.3894508
125000 17.321433 2000 4.1811774
126000 17.536692 2000 4.3011002
127000 17.748238 2000 4.442228
128000 17.962609 2000 4.6170394
129000 18.175315 2000 4.8184318
130000 18.389056 2000 4.8442096
131000 18.600872 2000 4.9668117
132000 18.81412 2000 4.8364562
133000 19.027514 2000 4.6658645
134000 19.23975 2000 4.5758487
135000 19.451085 2000 4.7251949
136000 19.663874 2000 4.5846492
137000 19.87624 2000 4.7565986
138000 20.088654 2000 4.8186623
139000 20.29935 2000 4.6571647
140000 20.510911 2000 4.0730143
141000 20.722072 2000 4.0605542
142000 20.933113 2000 4.1457179
143000 21.143916 2000 4.3418042
144000 21.353873 2000 4.0323813
145000 21.567015 2000 3.8064958
146000 21.781334 2000 3.1802044
147000 21.996799 2000 2.7947641
148000 22.209808 2000 2.7384164
149000 22.423177 2000 2.7428829
150000 22.638044 2000 2.7802186
151000 22.851676 2000 2.6703451
152000 23.065354 2000 2.3357647
153000 23.278882 2000 1.9855305
154000 23.494254 2000 1.9442713
155000 23.708192 2000 1.7348027
156000 23.923005 2000 1.5699942
157000 24.13827 2000 1.5224944
158000 24.352068 2000 1.4850914
159000 24.565616 2000 1.4461048
160000 24.779118 2000 1.3759525
161000 24.99111 2000 0.83754463
162000 25.205935 2000 0.7952922
163000 25.420817 2000 0.69670143
164000 25.632672 2000 0.66253723
165000 25.846901 2000 0.64602969
166000 26.060074 2000 0.60229858
167000 26.273714 2000 0.5757589
168000 26.484855 2000 0.5996023
169000 26.698151 2000 0.62130448
170000 26.911208 2000 0.63888277
Loop time of 26.9112 on 4 procs for 150000 steps with 2000 atoms
95.1% CPU use with 4 MPI tasks x no OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 4.5517 | 8.6135 | 10.872 | 82.7 | 32.01
Neigh | 0.092491 | 0.15402 | 0.19598 | 9.7 | 0.57
Comm | 2.0054 | 3.8686 | 4.6494 | 55.0 | 14.38
Output | 0.0047033 | 0.0096766 | 0.016452 | 4.6 | 0.04
Modify | 5.6498 | 7.9588 | 9.4012 | 49.7 | 29.57
Other | | 6.307 | | | 23.43
Nlocal: 500 ave 538 max 419 min
Histogram: 1 0 0 0 0 0 0 1 0 2
Nghost: 445.5 ave 688 max 200 min
Histogram: 1 0 0 0 1 0 1 0 0 1
Neighs: 4500.25 ave 5610 max 3443 min
Histogram: 1 0 1 0 0 0 1 0 0 1
Total # of neighbors = 18001
Ave neighs/atom = 9.0005
Neighbor list builds = 362
Dangerous builds = 0
# remove "plug" - need to redefine cylinder region & union
region cylreg delete
region hopreg delete
region cylreg cylinder z ${xc} ${yc} ${radconelo} ${zcyllo} ${zconelo} side in units box open 1 open 2 #Bottom & top are open
region cylreg cylinder z 25 ${yc} ${radconelo} ${zcyllo} ${zconelo} side in units box open 1 open 2
region cylreg cylinder z 25 25 ${radconelo} ${zcyllo} ${zconelo} side in units box open 1 open 2
region cylreg cylinder z 25 25 2 ${zcyllo} ${zconelo} side in units box open 1 open 2
region cylreg cylinder z 25 25 2 0 ${zconelo} side in units box open 1 open 2
region cylreg cylinder z 25 25 2 0 10 side in units box open 1 open 2
region hopreg union 2 cylreg conereg
unfix hopper3
fix hopper3 all wall/gran/region hertz/history ${kn} ${kt} ${gamma_n} ${gamma_t} ${coeffFric} 1 region hopreg
fix hopper3 all wall/gran/region hertz/history 72592.5925925926 ${kt} ${gamma_n} ${gamma_t} ${coeffFric} 1 region hopreg
fix hopper3 all wall/gran/region hertz/history 72592.5925925926 90740.7407407408 ${gamma_n} ${gamma_t} ${coeffFric} 1 region hopreg
fix hopper3 all wall/gran/region hertz/history 72592.5925925926 90740.7407407408 903.503751814138 ${gamma_t} ${coeffFric} 1 region hopreg
fix hopper3 all wall/gran/region hertz/history 72592.5925925926 90740.7407407408 903.503751814138 451.751875907069 ${coeffFric} 1 region hopreg
fix hopper3 all wall/gran/region hertz/history 72592.5925925926 90740.7407407408 903.503751814138 451.751875907069 0.5 1 region hopreg
run 100000
Generated 0 of 0 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 12.34 | 12.53 | 12.68 Mbytes
Step CPU Atoms KinEng
170000 0 2000 0.63888277
171000 0.21419748 2000 1.4139245
172000 0.42844271 2000 2.2400138
173000 0.64333145 2000 3.8034979
174000 0.85456696 2000 6.116727
175000 1.0672981 2000 8.9536458
176000 1.2790911 2000 12.74348
177000 1.491721 2000 17.410816
178000 1.7033452 2000 22.879174
179000 1.9168047 2000 28.966022
180000 2.1329071 2000 35.449239
181000 2.3490841 2000 42.694882
182000 2.565508 2000 50.913279
183000 2.780369 2000 60.098465
184000 2.9967771 2000 70.133474
185000 3.2116891 2000 80.950013
186000 3.4248923 2000 92.495525
187000 3.6394206 2000 104.83034
188000 3.8527533 2000 118.04659
189000 4.0650838 2000 132.7403
190000 4.2781031 2000 148.31955
191000 4.476226 2000 164.26321
192000 4.6750263 2000 180.6933
193000 4.8710737 2000 197.72012
194000 5.0677642 2000 215.43637
195000 5.2639974 2000 234.29738
196000 5.4599746 2000 254.03407
197000 5.6534894 2000 274.58626
198000 5.8462402 2000 296.88915
199000 6.0400194 2000 320.45001
200000 6.2329415 2000 344.75891
201000 6.4235068 2000 370.14016
202000 6.6142055 2000 395.72827
203000 6.8048206 2000 420.42026
204000 6.9987454 2000 446.08079
205000 7.1925778 2000 473.62963
206000 7.3846227 2000 501.05693
207000 7.5775122 2000 530.40427
208000 7.77052 2000 560.62015
209000 7.964984 2000 593.00113
210000 8.1601405 2000 626.36661
211000 8.3504978 2000 661.34861
212000 8.5425141 2000 697.41001
213000 8.736112 2000 735.12299
214000 8.9267615 2000 773.89126
215000 9.1154738 2000 813.83268
216000 9.3019826 2000 854.63669
217000 9.4878433 2000 896.59089
218000 9.6739682 2000 938.70251
219000 9.8566518 2000 982.10773
220000 10.042289 2000 1025.2953
221000 10.227275 2000 1069.8382
222000 10.412363 2000 1115.4449
223000 10.602757 2000 1161.6742
224000 10.789101 2000 1211.289
225000 10.974854 2000 1262.8074
226000 11.157089 2000 1316.6353
227000 11.337044 2000 1370.7434
WARNING: Lost atoms: original 2000 current 1991 (../thermo.cpp:486)
228000 11.518718 1991 1382.0924
229000 11.700488 1986 1407.1543
230000 11.883057 1975 1415.708
231000 12.063962 1968 1430.6498
232000 12.246917 1957 1421.0352
233000 12.429345 1939 1376.0322
234000 12.6113 1925 1350.1292
235000 12.791233 1912 1337.0529
236000 12.968444 1893 1273.2219
237000 13.146668 1879 1207.0473
238000 13.327542 1861 1132.0109
239000 13.50936 1846 1083.1042
240000 13.693504 1826 1004.3265
241000 13.863443 1819 989.36186
242000 14.03294 1812 983.26132
243000 14.20032 1805 985.79932
244000 14.366236 1794 936.34844
245000 14.532759 1784 889.17423
246000 14.703029 1770 846.65018
247000 14.873941 1753 751.16306
248000 15.045272 1740 709.23095
249000 15.217896 1732 687.61586
250000 15.388727 1721 638.82967
251000 15.558032 1714 618.71543
252000 15.725309 1709 611.25444
253000 15.888727 1705 606.6846
254000 16.050605 1702 601.7236
255000 16.212982 1697 575.97244
256000 16.378352 1695 577.1712
257000 16.547488 1691 576.93668
258000 16.718964 1688 586.63687
259000 16.892601 1686 581.52487
260000 17.066036 1682 566.49544
261000 17.22488 1681 586.18628
262000 17.379249 1678 582.11927
263000 17.534079 1675 589.96041
264000 17.690288 1672 577.55581
265000 17.847805 1669 570.45998
266000 18.006261 1666 574.0576
267000 18.1674 1662 578.07385
268000 18.326753 1660 587.65705
269000 18.488052 1657 584.43358
270000 18.647474 1654 591.22601
Loop time of 18.6475 on 4 procs for 100000 steps with 1654 atoms
94.4% CPU use with 4 MPI tasks x no OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 2.7714 | 6.1879 | 8.8765 | 88.8 | 33.18
Neigh | 0.094692 | 0.11244 | 0.13298 | 4.6 | 0.60
Comm | 1.2471 | 2.918 | 3.5873 | 57.0 | 15.65
Output | 0.0013438 | 0.0067176 | 0.014709 | 6.0 | 0.04
Modify | 4.4355 | 5.0416 | 5.5692 | 21.9 | 27.04
Other | | 4.381 | | | 23.49
Nlocal: 413.5 ave 429 max 408 min
Histogram: 3 0 0 0 0 0 0 0 0 1
Nghost: 408.25 ave 653 max 182 min
Histogram: 1 0 0 1 0 1 0 0 0 1
Neighs: 3486.25 ave 4367 max 2213 min
Histogram: 1 0 0 0 0 1 0 0 1 1
Total # of neighbors = 13945
Ave neighs/atom = 8.4310762
Neighbor list builds = 227
Dangerous builds = 0
Total wall time: 0:00:48

View File

@ -0,0 +1,632 @@
LAMMPS (15 Sep 2022)
variable name string mixer
thermo_modify flush yes
variable seed equal 14314
###############################################
# Particle parameters
################################################
variable rlo equal 0.3
variable rhi equal 0.6
variable dlo equal 2.0*${rlo}
variable dlo equal 2.0*0.3
variable dhi equal 2.0*${rhi}
variable dhi equal 2.0*0.6
variable skin equal ${rhi}
variable skin equal 0.6
variable coeffRes equal 0.1
variable coeffFric equal 0.5
variable kn equal 10^5
variable kt equal 0.2*${kn}
variable kt equal 0.2*100000
variable gravity equal 1.0
variable density equal 1.0
variable min_mass equal ${density}*4.0/3.0*PI*${rlo}*${rlo}*${rlo}
variable min_mass equal 1*4.0/3.0*PI*${rlo}*${rlo}*${rlo}
variable min_mass equal 1*4.0/3.0*PI*0.3*${rlo}*${rlo}
variable min_mass equal 1*4.0/3.0*PI*0.3*0.3*${rlo}
variable min_mass equal 1*4.0/3.0*PI*0.3*0.3*0.3
variable a equal (-2.0*log(${coeffRes})/PI)^2
variable a equal (-2.0*log(0.1)/PI)^2
variable gamma_n equal sqrt($a*2*${kn}/${min_mass}/(1+0.25*$a))
variable gamma_n equal sqrt(0.405284734569351*2*${kn}/${min_mass}/(1+0.25*$a))
variable gamma_n equal sqrt(0.405284734569351*2*100000/${min_mass}/(1+0.25*$a))
variable gamma_n equal sqrt(0.405284734569351*2*100000/0.113097335529233/(1+0.25*$a))
variable gamma_n equal sqrt(0.405284734569351*2*100000/0.113097335529233/(1+0.25*0.405284734569351))
variable gamma_t equal ${gamma_n}*0.5
variable gamma_t equal 806.699778405191*0.5
variable tcol equal PI/sqrt(2*${kn}/${min_mass}-${gamma_n}/4.0)
variable tcol equal PI/sqrt(2*100000/${min_mass}-${gamma_n}/4.0)
variable tcol equal PI/sqrt(2*100000/0.113097335529233-${gamma_n}/4.0)
variable tcol equal PI/sqrt(2*100000/0.113097335529233-806.699778405191/4.0)
variable dt equal ${tcol}*0.02
variable dt equal 0.00236257621510454*0.02
timestep ${dt}
timestep 4.72515243020908e-05
###############################################
variable dumpfreq equal 1000
variable logfreq equal 1000
newton on
atom_style sphere
boundary p p f
region boxreg block 0 20 0 20 0 20
create_box 1 boxreg
Created orthogonal box = (0 0 0) to (20 20 20)
1 by 1 by 1 MPI processor grid
pair_style gran/hertz/history ${kn} ${kt} ${gamma_n} ${gamma_t} ${coeffFric} 1
pair_style gran/hertz/history 100000 ${kt} ${gamma_n} ${gamma_t} ${coeffFric} 1
pair_style gran/hertz/history 100000 20000 ${gamma_n} ${gamma_t} ${coeffFric} 1
pair_style gran/hertz/history 100000 20000 806.699778405191 ${gamma_t} ${coeffFric} 1
pair_style gran/hertz/history 100000 20000 806.699778405191 403.349889202595 ${coeffFric} 1
pair_style gran/hertz/history 100000 20000 806.699778405191 403.349889202595 0.5 1
pair_coeff * *
neighbor ${skin} multi
neighbor 0.6 multi
thermo ${logfreq}
thermo 1000
comm_style brick
comm_modify mode multi group all vel yes
balance 1.1 shift xyz 20 1.1
Balancing ...
Generated 0 of 0 mixed pair_coeff terms from geometric mixing rule
Neighbor list info ...
update: every = 1 steps, delay = 0 steps, check = yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 0
ghost atom cutoff = 0
binsize = 20, bins = 1 1 1
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair gran/hertz/history, perpetual
attributes: half, newton on, size, history
pair build: half/size/multi/newton
stencil: half/multi/3d
bin: multi
WARNING: Communication cutoff is 0.0. No ghost atoms will be generated. Atoms may get lost. (../comm_brick.cpp:210)
fix bal all balance 10000 1.1 shift xyz 20 1.01
####################### Options specific to pouring #########################
region insreg cylinder z 10 10 8 10 18 side in units box
region cylreg cylinder z 10 10 10 0 20 side in units box
variable theta equal (step/400000)*2*PI
region b1 block 2 18 9 11 0 4 side out rotate v_theta 10 10 0 0 0 1 units box
region b2 block 9 11 2 18 0 3.99999 side out rotate v_theta 10 10 0 0 0 1 units box
region mixer intersect 3 cylreg b1 b2 side in
fix grav all gravity ${gravity} vector 0 0 -1
fix grav all gravity 1 vector 0 0 -1
fix 1 all nve/sphere
fix mixwall all wall/gran/region hertz/history ${kn} ${kt} ${gamma_n} ${gamma_t} ${coeffFric} 1 region mixer
fix mixwall all wall/gran/region hertz/history 100000 ${kt} ${gamma_n} ${gamma_t} ${coeffFric} 1 region mixer
fix mixwall all wall/gran/region hertz/history 100000 20000 ${gamma_n} ${gamma_t} ${coeffFric} 1 region mixer
fix mixwall all wall/gran/region hertz/history 100000 20000 806.699778405191 ${gamma_t} ${coeffFric} 1 region mixer
fix mixwall all wall/gran/region hertz/history 100000 20000 806.699778405191 403.349889202595 ${coeffFric} 1 region mixer
fix mixwall all wall/gran/region hertz/history 100000 20000 806.699778405191 403.349889202595 0.5 1 region mixer
fix ins all pour 1000 1 42424 region insreg diam range ${dlo} ${dhi} dens ${density} ${density}
fix ins all pour 1000 1 42424 region insreg diam range 0.6 ${dhi} dens ${density} ${density}
fix ins all pour 1000 1 42424 region insreg diam range 0.6 1.2 dens ${density} ${density}
fix ins all pour 1000 1 42424 region insreg diam range 0.6 1.2 dens 1 ${density}
fix ins all pour 1000 1 42424 region insreg diam range 0.6 1.2 dens 1 1
Particle insertion: 444 every 84653 steps, 1000 by step 169307
#dump 1 all custom ${dumpfreq} ${name}_pour.dump # id type mass diameter x y z
#dump 2 all image 4000 image.*.jpg type type # axes yes 0.8 0.02 view 60 -30 zoom 1.5 # box no 0.0 axes no 0.0 0.0
#dump_modify 2 pad 6
thermo_style custom step cpu atoms ke v_theta
WARNING: New thermo_style command, previous thermo_modify settings will be lost (../output.cpp:896)
thermo_modify flush yes lost warn
run 200000
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Your simulation uses code contributions which should be cited:
- neighbor multi command: doi:10.1016/j.cpc.2008.03.005, doi:10.1007/s40571-020-00361-2
@Article{Intveld08,
author = {in 't Veld, P. J. and S. J.~Plimpton and G. S. Grest},
title = {Accurate and Efficient Methods for Modeling Colloidal
Mixtures in an Explicit Solvent using Molecular Dynamics},
journal = {Comput.\ Phys.\ Commut.},
year = 2008,
volume = 179,
pages = {320--329}
}
@article{Shire2020,
author = {Shire, Tom and Hanley, Kevin J. and Stratford, Kevin},
title = {{DEM} Simulations of Polydisperse Media: Efficient Contact
Detection Applied to Investigate the Quasi-Static Limit},
journal = {Computational Particle Mechanics},
year = {2020}
}
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Generated 0 of 0 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 5.861 | 5.861 | 5.861 Mbytes
Step CPU Atoms KinEng v_theta
0 0 0 -0 0
1000 0.10672296 444 -0 0.015707963
2000 0.2090638 444 -0 0.031415927
3000 0.31029663 444 -0 0.04712389
4000 0.41047624 444 -0 0.062831853
5000 0.51132361 444 -0 0.078539816
6000 0.61279172 444 -0 0.09424778
7000 0.71396622 444 -0 0.10995574
8000 0.81644319 444 -0 0.12566371
9000 0.91730959 444 -0 0.14137167
10000 1.0181635 444 -0 0.15707963
11000 1.1182214 444 -0 0.1727876
12000 1.2190013 444 -0 0.18849556
13000 1.3196138 444 -0 0.20420352
14000 1.4183593 444 -0 0.21991149
15000 1.5178458 444 -0 0.23561945
16000 1.6169535 444 -0 0.25132741
17000 1.7219188 444 -0 0.26703538
18000 1.8266303 444 -0 0.28274334
19000 1.9331589 444 -0 0.2984513
20000 2.0392693 444 -0 0.31415927
21000 2.1457521 444 -0 0.32986723
22000 2.2507526 444 -0 0.34557519
23000 2.3548243 444 -0 0.36128316
24000 2.4606335 444 -0 0.37699112
25000 2.5657643 444 -0 0.39269908
26000 2.6698254 444 -0 0.40840704
27000 2.7732221 444 -0 0.42411501
28000 2.8766441 444 -0 0.43982297
29000 2.9801547 444 -0 0.45553093
30000 3.0839748 444 -0 0.4712389
31000 3.1880063 444 -0 0.48694686
32000 3.2923439 444 -0 0.50265482
33000 3.3969501 444 -0 0.51836279
34000 3.5012646 444 -0 0.53407075
35000 3.6057831 444 -0 0.54977871
36000 3.7098273 444 -0 0.56548668
37000 3.8146061 444 -0 0.58119464
38000 3.9215588 444 -0 0.5969026
39000 4.0474026 444 -0 0.61261057
40000 4.1544945 444 -0 0.62831853
41000 4.2605761 444 -0 0.64402649
42000 4.3665287 444 -0 0.65973446
43000 4.4728216 444 -0 0.67544242
44000 4.5782483 444 -0 0.69115038
45000 4.6833043 444 -0 0.70685835
46000 4.7902207 444 -0 0.72256631
47000 4.8968527 444 -0 0.73827427
48000 5.0035027 444 -0 0.75398224
49000 5.1117191 444 -0 0.7696902
50000 5.2186233 444 -0 0.78539816
51000 5.3244005 444 -0 0.80110613
52000 5.4316153 444 -0 0.81681409
53000 5.5381785 444 -0 0.83252205
54000 5.6458179 444 -0 0.84823002
55000 5.759203 444 -0 0.86393798
56000 5.8779849 444 -0 0.87964594
57000 5.9953108 444 -0 0.89535391
58000 6.1115532 444 -0 0.91106187
59000 6.2298342 444 -0 0.92676983
60000 6.3474382 444 -0 0.9424778
61000 6.4642217 444 -0 0.95818576
62000 6.5815141 444 -0 0.97389372
63000 6.6999766 444 -0 0.98960169
64000 6.8181369 444 -0 1.0053096
65000 6.9368124 444 -0 1.0210176
66000 7.0560733 444 -0 1.0367256
67000 7.1761749 444 -0 1.0524335
68000 7.2942246 444 -0 1.0681415
69000 7.4146786 444 -0 1.0838495
70000 7.5364025 444 -0 1.0995574
71000 7.6565177 444 -0 1.1152654
72000 7.7776652 444 -0 1.1309734
73000 7.8972494 444 -0 1.1466813
74000 8.0183599 444 -0 1.1623893
75000 8.1423045 444 -0 1.1780972
76000 8.2667013 444 -0 1.1938052
77000 8.3876604 444 -0 1.2095132
78000 8.5095993 444 -0 1.2252211
79000 8.6317663 444 -0 1.2409291
80000 8.7562108 444 -0 1.2566371
81000 8.8812625 444 -0 1.272345
82000 9.006825 444 -0 1.288053
83000 9.1310939 444 -0 1.303761
84000 9.2540049 444 -0 1.3194689
85000 9.4210019 888 -0 1.3351769
86000 9.6509014 888 -0 1.3508848
87000 9.8827304 888 -0 1.3665928
88000 10.113857 888 -0 1.3823008
89000 10.34324 888 -0 1.3980087
90000 10.574203 888 -0 1.4137167
91000 10.806069 888 -0 1.4294247
92000 11.037044 888 -0 1.4451326
93000 11.262596 888 -0 1.4608406
94000 11.490532 888 -0 1.4765485
95000 11.716452 888 -0 1.4922565
96000 11.943883 888 -0 1.5079645
97000 12.171353 888 -0 1.5236724
98000 12.396787 888 -0 1.5393804
99000 12.623788 888 -0 1.5550884
100000 12.849633 888 -0 1.5707963
101000 13.082904 888 -0 1.5865043
102000 13.316986 888 -0 1.6022123
103000 13.54777 888 -0 1.6179202
104000 13.77928 888 -0 1.6336282
105000 14.014818 888 -0 1.6493361
106000 14.250986 888 -0 1.6650441
107000 14.485754 888 -0 1.6807521
108000 14.720106 888 -0 1.69646
109000 14.970869 888 -0 1.712168
110000 15.219203 888 -0 1.727876
111000 15.469876 888 -0 1.7435839
112000 15.721351 888 -0 1.7592919
113000 15.972099 888 -0 1.7749998
114000 16.222357 888 -0 1.7907078
115000 16.474863 888 -0 1.8064158
116000 16.725352 888 -0 1.8221237
117000 16.979634 888 -0 1.8378317
118000 17.231379 888 -0 1.8535397
119000 17.483691 888 -0 1.8692476
120000 17.737897 888 -0 1.8849556
121000 17.991241 888 -0 1.9006636
122000 18.245626 888 -0 1.9163715
123000 18.499984 888 -0 1.9320795
124000 18.754367 888 -0 1.9477874
125000 19.006448 888 -0 1.9634954
126000 19.260545 888 -0 1.9792034
127000 19.513633 888 -0 1.9949113
128000 19.769389 888 -0 2.0106193
129000 20.025088 888 -0 2.0263273
130000 20.277534 888 -0 2.0420352
131000 20.529284 888 -0 2.0577432
132000 20.785132 888 -0 2.0734512
133000 21.038442 888 -0 2.0891591
134000 21.293932 888 -0 2.1048671
135000 21.545354 888 -0 2.120575
136000 21.799547 888 -0 2.136283
137000 22.053639 888 -0 2.151991
138000 22.310106 888 -0 2.1676989
139000 22.569362 888 -0 2.1834069
140000 22.829416 888 -0 2.1991149
141000 23.089132 888 -0 2.2148228
142000 23.345737 888 -0 2.2305308
143000 23.60621 888 -0 2.2462387
144000 23.867414 888 -0 2.2619467
145000 24.132954 888 -0 2.2776547
146000 24.39395 888 -0 2.2933626
147000 24.657881 888 -0 2.3090706
148000 24.918563 888 -0 2.3247786
149000 25.177446 888 -0 2.3404865
150000 25.446598 888 -0 2.3561945
151000 25.715494 888 -0 2.3719025
152000 25.985991 888 -0 2.3876104
153000 26.256676 888 -0 2.4033184
154000 26.525639 888 -0 2.4190263
155000 26.82656 888 -0 2.4347343
156000 27.157272 888 -0 2.4504423
157000 27.481755 888 -0 2.4661502
158000 27.80198 888 -0 2.4818582
159000 28.123258 888 -0 2.4975662
160000 28.437502 888 -0 2.5132741
161000 28.756496 888 -0 2.5289821
162000 29.080609 888 -0 2.54469
163000 29.399252 888 -0 2.560398
164000 29.718986 888 -0 2.576106
165000 30.045206 888 -0 2.5918139
166000 30.365168 888 -0 2.6075219
167000 30.684007 888 -0 2.6232299
168000 31.006154 888 -0 2.6389378
169000 31.330336 888 -0 2.6546458
170000 31.681761 1000 -0 2.6703538
171000 32.049778 1000 -0 2.6860617
172000 32.421067 1000 -0 2.7017697
173000 32.79935 1000 -0 2.7174776
174000 33.178002 1000 -0 2.7331856
175000 33.54236 1000 -0 2.7488936
176000 33.904734 1000 -0 2.7646015
177000 34.269671 1000 -0 2.7803095
178000 34.633106 1000 -0 2.7960175
179000 35.001441 1000 -0 2.8117254
180000 35.374769 1000 -0 2.8274334
181000 35.742362 1000 -0 2.8431414
182000 36.115908 1000 -0 2.8588493
183000 36.490149 1000 -0 2.8745573
184000 36.866289 1000 -0 2.8902652
185000 37.252911 1000 -0 2.9059732
186000 37.644586 1000 -0 2.9216812
187000 38.028002 1000 -0 2.9373891
188000 38.40724 1000 -0 2.9530971
189000 38.77431 1000 -0 2.9688051
190000 39.14138 1000 -0 2.984513
191000 39.519083 1000 -0 3.000221
192000 39.895243 1000 -0 3.0159289
193000 40.237532 1000 -0 3.0316369
194000 40.587663 1000 -0 3.0473449
195000 40.939032 1000 -0 3.0630528
196000 41.290257 1000 -0 3.0787608
197000 41.643778 1000 -0 3.0944688
198000 41.992818 1000 -0 3.1101767
199000 42.335934 1000 -0 3.1258847
200000 42.681071 1000 -0 3.1415927
Loop time of 42.6811 on 1 procs for 200000 steps with 1000 atoms
Performance: 19130.397 tau/day, 4685.915 timesteps/s, 4.686 Matom-step/s
98.5% CPU use with 1 MPI tasks x no OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 2.6365 | 2.6365 | 2.6365 | 0.0 | 6.18
Neigh | 0.051681 | 0.051681 | 0.051681 | 0.0 | 0.12
Comm | 0.52007 | 0.52007 | 0.52007 | 0.0 | 1.22
Output | 0.02209 | 0.02209 | 0.02209 | 0.0 | 0.05
Modify | 38.71 | 38.71 | 38.71 | 0.0 | 90.70
Other | | 0.7407 | | | 1.74
Nlocal: 1000 ave 1000 max 1000 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 183 ave 183 max 183 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 3757 ave 3757 max 3757 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 3757
Ave neighs/atom = 3.757
Neighbor list builds = 200
Dangerous builds = 0
unfix ins
run 200000
Generated 0 of 0 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 11.89 | 11.89 | 11.89 Mbytes
Step CPU Atoms KinEng v_theta
200000 0 1000 1.0515941 3.1415927
201000 0.35477257 1000 1.0348185 3.1573006
202000 0.71436123 1000 1.0220859 3.1730086
203000 1.0642832 1000 1.0225785 3.1887165
204000 1.4165213 1000 1.0206121 3.2044245
205000 1.7728133 1000 1.009961 3.2201325
206000 2.1279101 1000 0.9993323 3.2358404
207000 2.480623 1000 0.99602628 3.2515484
208000 2.8321106 1000 0.98341818 3.2672564
209000 3.2138945 1000 0.96700718 3.2829643
210000 3.5921146 1000 0.95226699 3.2986723
211000 3.9643569 1000 0.93911691 3.3143802
212000 4.3368151 1000 0.92920029 3.3300882
213000 4.7130192 1000 0.91893472 3.3457962
214000 5.0881313 1000 0.90873324 3.3615041
215000 5.4660106 1000 0.88925817 3.3772121
216000 5.8455926 1000 0.89108236 3.3929201
217000 6.2204827 1000 0.90176711 3.408628
218000 6.6046736 1000 0.90149435 3.424336
219000 6.9931145 1000 0.89629307 3.440044
220000 7.3771565 1000 0.90390589 3.4557519
221000 7.7635603 1000 0.87858148 3.4714599
222000 8.1502771 1000 0.88862314 3.4871678
223000 8.5393557 1000 0.90394098 3.5028758
224000 8.9327212 1000 0.91005462 3.5185838
225000 9.315331 1000 0.91753865 3.5342917
226000 9.6930994 1000 0.91741233 3.5499997
227000 10.077148 1000 0.9041879 3.5657077
228000 10.463223 1000 0.9085712 3.5814156
229000 10.850271 1000 0.8937854 3.5971236
230000 11.230235 1000 0.88740571 3.6128316
231000 11.61003 1000 0.88350028 3.6285395
232000 11.988134 1000 0.88344474 3.6442475
233000 12.365856 1000 0.88003311 3.6599554
234000 12.745397 1000 0.87416727 3.6756634
235000 13.120344 1000 0.86154585 3.6913714
236000 13.489521 1000 0.85705071 3.7070793
237000 13.858736 1000 0.85297378 3.7227873
238000 14.230242 1000 0.84879486 3.7384953
239000 14.609692 1000 0.86978407 3.7542032
240000 14.998899 1000 0.86758733 3.7699112
241000 15.40773 1000 0.86123097 3.7856191
242000 15.81537 1000 0.86088136 3.8013271
243000 16.221448 1000 0.85270311 3.8170351
244000 16.619008 1000 0.8524395 3.832743
245000 17.003986 1000 0.84054009 3.848451
246000 17.380362 1000 0.82623612 3.864159
247000 17.756477 1000 0.82787746 3.8798669
248000 18.136456 1000 0.83027177 3.8955749
249000 18.521277 1000 0.83307565 3.9112829
250000 18.906407 1000 0.82612362 3.9269908
251000 19.28348 1000 0.8404639 3.9426988
252000 19.66549 1000 0.83550946 3.9584067
253000 20.053842 1000 0.81516472 3.9741147
254000 20.451357 1000 0.79127421 3.9898227
255000 20.844416 1000 0.78373024 4.0055306
256000 21.228637 1000 0.79885661 4.0212386
257000 21.613641 1000 0.80322118 4.0369466
258000 21.99162 1000 0.79861523 4.0526545
259000 22.367158 1000 0.79216962 4.0683625
260000 22.746158 1000 0.79543097 4.0840704
261000 23.125626 1000 0.79394211 4.0997784
262000 23.504282 1000 0.79269346 4.1154864
263000 23.883609 1000 0.80022854 4.1311943
264000 24.261864 1000 0.79885184 4.1469023
265000 24.639269 1000 0.79595018 4.1626103
266000 25.016335 1000 0.78191184 4.1783182
267000 25.389754 1000 0.76329279 4.1940262
268000 25.762053 1000 0.7342663 4.2097342
269000 26.133966 1000 0.72303366 4.2254421
270000 26.511157 1000 0.70016481 4.2411501
271000 26.888842 1000 0.68891731 4.256858
272000 27.26804 1000 0.68545775 4.272566
273000 27.644067 1000 0.68712156 4.288274
274000 28.024704 1000 0.69249813 4.3039819
275000 28.404842 1000 0.70187847 4.3196899
276000 28.785799 1000 0.70679419 4.3353979
277000 29.165857 1000 0.70955357 4.3511058
278000 29.545291 1000 0.70183408 4.3668138
279000 29.926113 1000 0.69979273 4.3825218
280000 30.302095 1000 0.70822139 4.3982297
281000 30.684406 1000 0.71629209 4.4139377
282000 31.065873 1000 0.73094905 4.4296456
283000 31.445972 1000 0.74554115 4.4453536
284000 31.828184 1000 0.74390104 4.4610616
285000 32.207807 1000 0.74675359 4.4767695
286000 32.58802 1000 0.75330713 4.4924775
287000 32.964457 1000 0.75525926 4.5081855
288000 33.343222 1000 0.75174884 4.5238934
289000 33.717663 1000 0.74062375 4.5396014
290000 34.094722 1000 0.72784613 4.5553093
291000 34.46982 1000 0.72151574 4.5710173
292000 34.843777 1000 0.71712409 4.5867253
293000 35.208307 1000 0.71803758 4.6024332
294000 35.576207 1000 0.71002715 4.6181412
295000 35.942972 1000 0.7070911 4.6338492
296000 36.3107 1000 0.71082175 4.6495571
297000 36.682044 1000 0.70438977 4.6652651
298000 37.054664 1000 0.70240345 4.6809731
299000 37.424717 1000 0.70525357 4.696681
300000 37.796148 1000 0.70636846 4.712389
301000 38.166828 1000 0.70443346 4.7280969
302000 38.538428 1000 0.71187973 4.7438049
303000 38.907221 1000 0.71047139 4.7595129
304000 39.280263 1000 0.71405925 4.7752208
305000 39.652902 1000 0.71277063 4.7909288
306000 40.02752 1000 0.72005331 4.8066368
307000 40.402955 1000 0.72466112 4.8223447
308000 40.784177 1000 0.72001329 4.8380527
309000 41.173226 1000 0.70611982 4.8537606
310000 41.559195 1000 0.70810918 4.8694686
311000 41.946697 1000 0.70377166 4.8851766
312000 42.337059 1000 0.70434458 4.9008845
313000 42.728304 1000 0.70707385 4.9165925
314000 43.120803 1000 0.71412995 4.9323005
315000 43.510705 1000 0.72228946 4.9480084
316000 43.901867 1000 0.72715835 4.9637164
317000 44.295667 1000 0.73833476 4.9794244
318000 44.687503 1000 0.75953014 4.9951323
319000 45.077121 1000 0.76413836 5.0108403
320000 45.465317 1000 0.76745045 5.0265482
321000 45.86931 1000 0.75813288 5.0422562
322000 46.277029 1000 0.75324661 5.0579642
323000 46.680799 1000 0.75004276 5.0736721
324000 47.082361 1000 0.74316264 5.0893801
325000 47.481252 1000 0.74087383 5.1050881
326000 47.87511 1000 0.73244882 5.120796
327000 48.274582 1000 0.73096631 5.136504
328000 48.671718 1000 0.72955403 5.152212
329000 49.066335 1000 0.73464916 5.1679199
330000 49.459765 1000 0.73130257 5.1836279
331000 49.850698 1000 0.73008711 5.1993358
332000 50.241012 1000 0.72561074 5.2150438
333000 50.643245 1000 0.7214495 5.2307518
334000 51.039153 1000 0.71274232 5.2464597
335000 51.430328 1000 0.71335777 5.2621677
336000 51.819148 1000 0.71317423 5.2778757
337000 52.202763 1000 0.70965743 5.2935836
338000 52.585061 1000 0.69648518 5.3092916
339000 52.967678 1000 0.68985842 5.3249995
340000 53.351472 1000 0.6846783 5.3407075
341000 53.737731 1000 0.69031602 5.3564155
342000 54.131413 1000 0.69035259 5.3721234
343000 54.526384 1000 0.69843983 5.3878314
344000 54.921609 1000 0.69566088 5.4035394
345000 55.314258 1000 0.68309182 5.4192473
346000 55.701119 1000 0.68360919 5.4349553
347000 56.088194 1000 0.68034628 5.4506633
348000 56.467878 1000 0.67155093 5.4663712
349000 56.857709 1000 0.66504603 5.4820792
350000 57.250758 1000 0.66533658 5.4977871
351000 57.643438 1000 0.67726804 5.5134951
352000 58.04256 1000 0.68880987 5.5292031
353000 58.437369 1000 0.71377276 5.544911
354000 58.832421 1000 0.71715625 5.560619
355000 59.222221 1000 0.71729576 5.576327
356000 59.621431 1000 0.71088872 5.5920349
357000 60.013262 1000 0.70564615 5.6077429
358000 60.406494 1000 0.69291739 5.6234508
359000 60.800632 1000 0.68237469 5.6391588
360000 61.195364 1000 0.69105856 5.6548668
361000 61.588291 1000 0.69563351 5.6705747
362000 61.984821 1000 0.69762747 5.6862827
363000 62.377158 1000 0.69717346 5.7019907
364000 62.77604 1000 0.69413964 5.7176986
365000 63.165863 1000 0.68584257 5.7334066
366000 63.5503 1000 0.67653762 5.7491146
367000 63.930717 1000 0.66880284 5.7648225
368000 64.313698 1000 0.66024732 5.7805305
369000 64.708193 1000 0.65451701 5.7962384
370000 65.10142 1000 0.64352268 5.8119464
371000 65.49169 1000 0.63715296 5.8276544
372000 65.879115 1000 0.63840106 5.8433623
373000 66.268258 1000 0.64537192 5.8590703
374000 66.661807 1000 0.64498753 5.8747783
375000 67.052521 1000 0.64666103 5.8904862
376000 67.443168 1000 0.65957055 5.9061942
377000 67.835892 1000 0.65964257 5.9219022
378000 68.229282 1000 0.65720396 5.9376101
379000 68.623557 1000 0.66304265 5.9533181
380000 69.015967 1000 0.67465814 5.969026
381000 69.408981 1000 0.68582945 5.984734
382000 69.796561 1000 0.69516677 6.000442
383000 70.186403 1000 0.69835516 6.0161499
384000 70.5765 1000 0.70403284 6.0318579
385000 70.966205 1000 0.6955862 6.0475659
386000 71.360054 1000 0.704932 6.0632738
387000 71.757912 1000 0.71954173 6.0789818
388000 72.147544 1000 0.72347529 6.0946897
389000 72.535029 1000 0.72738907 6.1103977
390000 72.925842 1000 0.74783091 6.1261057
391000 73.306871 1000 0.76739039 6.1418136
392000 73.692746 1000 0.77184224 6.1575216
393000 74.053385 1000 0.76813357 6.1732296
394000 74.416323 1000 0.75994091 6.1889375
395000 74.777021 1000 0.74970188 6.2046455
396000 75.139847 1000 0.7523174 6.2203535
397000 75.502888 1000 0.74652931 6.2360614
398000 75.865442 1000 0.74418096 6.2517694
399000 76.225245 1000 0.75110038 6.2674773
400000 76.590032 1000 0.7609274 6.2831853
Loop time of 76.5901 on 1 procs for 200000 steps with 1000 atoms
Performance: 10660.735 tau/day, 2611.305 timesteps/s, 2.611 Matom-step/s
99.0% CPU use with 1 MPI tasks x no OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 8.693 | 8.693 | 8.693 | 0.0 | 11.35
Neigh | 0.082655 | 0.082655 | 0.082655 | 0.0 | 0.11
Comm | 1.1618 | 1.1618 | 1.1618 | 0.0 | 1.52
Output | 0.0052644 | 0.0052644 | 0.0052644 | 0.0 | 0.01
Modify | 65.713 | 65.713 | 65.713 | 0.0 | 85.80
Other | | 0.934 | | | 1.22
Nlocal: 1000 ave 1000 max 1000 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 268 ave 268 max 268 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 5015 ave 5015 max 5015 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 5015
Ave neighs/atom = 5.015
Neighbor list builds = 163
Dangerous builds = 0
Total wall time: 0:01:59

View File

@ -0,0 +1,632 @@
LAMMPS (15 Sep 2022)
variable name string mixer
thermo_modify flush yes
variable seed equal 14314
###############################################
# Particle parameters
################################################
variable rlo equal 0.3
variable rhi equal 0.6
variable dlo equal 2.0*${rlo}
variable dlo equal 2.0*0.3
variable dhi equal 2.0*${rhi}
variable dhi equal 2.0*0.6
variable skin equal ${rhi}
variable skin equal 0.6
variable coeffRes equal 0.1
variable coeffFric equal 0.5
variable kn equal 10^5
variable kt equal 0.2*${kn}
variable kt equal 0.2*100000
variable gravity equal 1.0
variable density equal 1.0
variable min_mass equal ${density}*4.0/3.0*PI*${rlo}*${rlo}*${rlo}
variable min_mass equal 1*4.0/3.0*PI*${rlo}*${rlo}*${rlo}
variable min_mass equal 1*4.0/3.0*PI*0.3*${rlo}*${rlo}
variable min_mass equal 1*4.0/3.0*PI*0.3*0.3*${rlo}
variable min_mass equal 1*4.0/3.0*PI*0.3*0.3*0.3
variable a equal (-2.0*log(${coeffRes})/PI)^2
variable a equal (-2.0*log(0.1)/PI)^2
variable gamma_n equal sqrt($a*2*${kn}/${min_mass}/(1+0.25*$a))
variable gamma_n equal sqrt(0.405284734569351*2*${kn}/${min_mass}/(1+0.25*$a))
variable gamma_n equal sqrt(0.405284734569351*2*100000/${min_mass}/(1+0.25*$a))
variable gamma_n equal sqrt(0.405284734569351*2*100000/0.113097335529233/(1+0.25*$a))
variable gamma_n equal sqrt(0.405284734569351*2*100000/0.113097335529233/(1+0.25*0.405284734569351))
variable gamma_t equal ${gamma_n}*0.5
variable gamma_t equal 806.699778405191*0.5
variable tcol equal PI/sqrt(2*${kn}/${min_mass}-${gamma_n}/4.0)
variable tcol equal PI/sqrt(2*100000/${min_mass}-${gamma_n}/4.0)
variable tcol equal PI/sqrt(2*100000/0.113097335529233-${gamma_n}/4.0)
variable tcol equal PI/sqrt(2*100000/0.113097335529233-806.699778405191/4.0)
variable dt equal ${tcol}*0.02
variable dt equal 0.00236257621510454*0.02
timestep ${dt}
timestep 4.72515243020908e-05
###############################################
variable dumpfreq equal 1000
variable logfreq equal 1000
newton on
atom_style sphere
boundary p p f
region boxreg block 0 20 0 20 0 20
create_box 1 boxreg
Created orthogonal box = (0 0 0) to (20 20 20)
1 by 2 by 2 MPI processor grid
pair_style gran/hertz/history ${kn} ${kt} ${gamma_n} ${gamma_t} ${coeffFric} 1
pair_style gran/hertz/history 100000 ${kt} ${gamma_n} ${gamma_t} ${coeffFric} 1
pair_style gran/hertz/history 100000 20000 ${gamma_n} ${gamma_t} ${coeffFric} 1
pair_style gran/hertz/history 100000 20000 806.699778405191 ${gamma_t} ${coeffFric} 1
pair_style gran/hertz/history 100000 20000 806.699778405191 403.349889202595 ${coeffFric} 1
pair_style gran/hertz/history 100000 20000 806.699778405191 403.349889202595 0.5 1
pair_coeff * *
neighbor ${skin} multi
neighbor 0.6 multi
thermo ${logfreq}
thermo 1000
comm_style brick
comm_modify mode multi group all vel yes
balance 1.1 shift xyz 20 1.1
Balancing ...
Generated 0 of 0 mixed pair_coeff terms from geometric mixing rule
Neighbor list info ...
update: every = 1 steps, delay = 0 steps, check = yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 0
ghost atom cutoff = 0
binsize = 20, bins = 1 1 1
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair gran/hertz/history, perpetual
attributes: half, newton on, size, history
pair build: half/size/multi/newton
stencil: half/multi/3d
bin: multi
WARNING: Communication cutoff is 0.0. No ghost atoms will be generated. Atoms may get lost. (../comm_brick.cpp:210)
fix bal all balance 10000 1.1 shift xyz 20 1.01
####################### Options specific to pouring #########################
region insreg cylinder z 10 10 8 10 18 side in units box
region cylreg cylinder z 10 10 10 0 20 side in units box
variable theta equal (step/400000)*2*PI
region b1 block 2 18 9 11 0 4 side out rotate v_theta 10 10 0 0 0 1 units box
region b2 block 9 11 2 18 0 3.99999 side out rotate v_theta 10 10 0 0 0 1 units box
region mixer intersect 3 cylreg b1 b2 side in
fix grav all gravity ${gravity} vector 0 0 -1
fix grav all gravity 1 vector 0 0 -1
fix 1 all nve/sphere
fix mixwall all wall/gran/region hertz/history ${kn} ${kt} ${gamma_n} ${gamma_t} ${coeffFric} 1 region mixer
fix mixwall all wall/gran/region hertz/history 100000 ${kt} ${gamma_n} ${gamma_t} ${coeffFric} 1 region mixer
fix mixwall all wall/gran/region hertz/history 100000 20000 ${gamma_n} ${gamma_t} ${coeffFric} 1 region mixer
fix mixwall all wall/gran/region hertz/history 100000 20000 806.699778405191 ${gamma_t} ${coeffFric} 1 region mixer
fix mixwall all wall/gran/region hertz/history 100000 20000 806.699778405191 403.349889202595 ${coeffFric} 1 region mixer
fix mixwall all wall/gran/region hertz/history 100000 20000 806.699778405191 403.349889202595 0.5 1 region mixer
fix ins all pour 1000 1 42424 region insreg diam range ${dlo} ${dhi} dens ${density} ${density}
fix ins all pour 1000 1 42424 region insreg diam range 0.6 ${dhi} dens ${density} ${density}
fix ins all pour 1000 1 42424 region insreg diam range 0.6 1.2 dens ${density} ${density}
fix ins all pour 1000 1 42424 region insreg diam range 0.6 1.2 dens 1 ${density}
fix ins all pour 1000 1 42424 region insreg diam range 0.6 1.2 dens 1 1
Particle insertion: 444 every 84653 steps, 1000 by step 169307
#dump 1 all custom ${dumpfreq} ${name}_pour.dump # id type mass diameter x y z
#dump 2 all image 4000 image.*.jpg type type # axes yes 0.8 0.02 view 60 -30 zoom 1.5 # box no 0.0 axes no 0.0 0.0
#dump_modify 2 pad 6
thermo_style custom step cpu atoms ke v_theta
WARNING: New thermo_style command, previous thermo_modify settings will be lost (../output.cpp:896)
thermo_modify flush yes lost warn
run 200000
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Your simulation uses code contributions which should be cited:
- neighbor multi command: doi:10.1016/j.cpc.2008.03.005, doi:10.1007/s40571-020-00361-2
@Article{Intveld08,
author = {in 't Veld, P. J. and S. J.~Plimpton and G. S. Grest},
title = {Accurate and Efficient Methods for Modeling Colloidal
Mixtures in an Explicit Solvent using Molecular Dynamics},
journal = {Comput.\ Phys.\ Commut.},
year = 2008,
volume = 179,
pages = {320--329}
}
@article{Shire2020,
author = {Shire, Tom and Hanley, Kevin J. and Stratford, Kevin},
title = {{DEM} Simulations of Polydisperse Media: Efficient Contact
Detection Applied to Investigate the Quasi-Static Limit},
journal = {Computational Particle Mechanics},
year = {2020}
}
CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE-CITE
Generated 0 of 0 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 5.816 | 5.816 | 5.816 Mbytes
Step CPU Atoms KinEng v_theta
0 0 0 -0 0
1000 0.089993907 444 -0 0.015707963
2000 0.14885989 444 -0 0.031415927
3000 0.20954563 444 -0 0.04712389
4000 0.27002257 444 -0 0.062831853
5000 0.33034347 444 -0 0.078539816
6000 0.39049526 444 -0 0.09424778
7000 0.45002664 444 -0 0.10995574
8000 0.50911338 444 -0 0.12566371
9000 0.56771745 444 -0 0.14137167
10000 0.62699472 444 -0 0.15707963
11000 0.67300351 444 -0 0.1727876
12000 0.71981356 444 -0 0.18849556
13000 0.76697682 444 -0 0.20420352
14000 0.81412229 444 -0 0.21991149
15000 0.86284749 444 -0 0.23561945
16000 0.91199522 444 -0 0.25132741
17000 0.96230663 444 -0 0.26703538
18000 1.0118327 444 -0 0.28274334
19000 1.0617397 444 -0 0.2984513
20000 1.111586 444 -0 0.31415927
21000 1.1556637 444 -0 0.32986723
22000 1.2005913 444 -0 0.34557519
23000 1.2455061 444 -0 0.36128316
24000 1.2910181 444 -0 0.37699112
25000 1.3370577 444 -0 0.39269908
26000 1.383595 444 -0 0.40840704
27000 1.430922 444 -0 0.42411501
28000 1.478627 444 -0 0.43982297
29000 1.5278607 444 -0 0.45553093
30000 1.576597 444 -0 0.4712389
31000 1.6202694 444 -0 0.48694686
32000 1.6646667 444 -0 0.50265482
33000 1.7092726 444 -0 0.51836279
34000 1.7535573 444 -0 0.53407075
35000 1.7985995 444 -0 0.54977871
36000 1.8440346 444 -0 0.56548668
37000 1.8900841 444 -0 0.58119464
38000 1.9368772 444 -0 0.5969026
39000 1.9842867 444 -0 0.61261057
40000 2.0318482 444 -0 0.62831853
41000 2.0753049 444 -0 0.64402649
42000 2.1196274 444 -0 0.65973446
43000 2.1647071 444 -0 0.67544242
44000 2.2101195 444 -0 0.69115038
45000 2.2564642 444 -0 0.70685835
46000 2.3033573 444 -0 0.72256631
47000 2.3500515 444 -0 0.73827427
48000 2.3972268 444 -0 0.75398224
49000 2.4444727 444 -0 0.7696902
50000 2.4921003 444 -0 0.78539816
51000 2.535088 444 -0 0.80110613
52000 2.5785564 444 -0 0.81681409
53000 2.6221392 444 -0 0.83252205
54000 2.6664169 444 -0 0.84823002
55000 2.7108951 444 -0 0.86393798
56000 2.7560522 444 -0 0.87964594
57000 2.8010254 444 -0 0.89535391
58000 2.8484456 444 -0 0.91106187
59000 2.8951674 444 -0 0.92676983
60000 2.9424205 444 -0 0.9424778
61000 2.9885999 444 -0 0.95818576
62000 3.0338676 444 -0 0.97389372
63000 3.0793674 444 -0 0.98960169
64000 3.1253557 444 -0 1.0053096
65000 3.1723823 444 -0 1.0210176
66000 3.2203846 444 -0 1.0367256
67000 3.2690443 444 -0 1.0524335
68000 3.317707 444 -0 1.0681415
69000 3.3670196 444 -0 1.0838495
70000 3.4160505 444 -0 1.0995574
71000 3.4621197 444 -0 1.1152654
72000 3.5086434 444 -0 1.1309734
73000 3.555691 444 -0 1.1466813
74000 3.6032072 444 -0 1.1623893
75000 3.6514849 444 -0 1.1780972
76000 3.7002713 444 -0 1.1938052
77000 3.7497321 444 -0 1.2095132
78000 3.7997711 444 -0 1.2252211
79000 3.8504338 444 -0 1.2409291
80000 3.9020416 444 -0 1.2566371
81000 3.9496762 444 -0 1.272345
82000 3.9968215 444 -0 1.288053
83000 4.04496 444 -0 1.303761
84000 4.0936477 444 -0 1.3194689
85000 4.1618384 888 -0 1.3351769
86000 4.2472086 888 -0 1.3508848
87000 4.3322855 888 -0 1.3665928
88000 4.4169835 888 -0 1.3823008
89000 4.5014588 888 -0 1.3980087
90000 4.5861842 888 -0 1.4137167
91000 4.653654 888 -0 1.4294247
92000 4.7217642 888 -0 1.4451326
93000 4.791842 888 -0 1.4608406
94000 4.8601789 888 -0 1.4765485
95000 4.92849 888 -0 1.4922565
96000 4.9976811 888 -0 1.5079645
97000 5.0687073 888 -0 1.5236724
98000 5.1387234 888 -0 1.5393804
99000 5.2086037 888 -0 1.5550884
100000 5.2786924 888 -0 1.5707963
101000 5.3466895 888 -0 1.5865043
102000 5.417132 888 -0 1.6022123
103000 5.4865633 888 -0 1.6179202
104000 5.5565911 888 -0 1.6336282
105000 5.6266394 888 -0 1.6493361
106000 5.6975394 888 -0 1.6650441
107000 5.7687753 888 -0 1.6807521
108000 5.8408498 888 -0 1.69646
109000 5.9132618 888 -0 1.712168
110000 5.9872629 888 -0 1.727876
111000 6.0588115 888 -0 1.7435839
112000 6.1308729 888 -0 1.7592919
113000 6.2047311 888 -0 1.7749998
114000 6.2780757 888 -0 1.7907078
115000 6.3528542 888 -0 1.8064158
116000 6.4277704 888 -0 1.8221237
117000 6.5034683 888 -0 1.8378317
118000 6.5795779 888 -0 1.8535397
119000 6.655928 888 -0 1.8692476
120000 6.7335119 888 -0 1.8849556
121000 6.806827 888 -0 1.9006636
122000 6.881052 888 -0 1.9163715
123000 6.9559647 888 -0 1.9320795
124000 7.0300829 888 -0 1.9477874
125000 7.1047925 888 -0 1.9634954
126000 7.1797025 888 -0 1.9792034
127000 7.2556934 888 -0 1.9949113
128000 7.3317803 888 -0 2.0106193
129000 7.4088096 888 -0 2.0263273
130000 7.4862461 888 -0 2.0420352
131000 7.5633585 888 -0 2.0577432
132000 7.641939 888 -0 2.0734512
133000 7.7192741 888 -0 2.0891591
134000 7.7970156 888 -0 2.1048671
135000 7.8760712 888 -0 2.120575
136000 7.9563099 888 -0 2.136283
137000 8.0381808 888 -0 2.151991
138000 8.1210957 888 -0 2.1676989
139000 8.20401 888 -0 2.1834069
140000 8.2871705 888 -0 2.1991149
141000 8.364321 888 -0 2.2148228
142000 8.4426744 888 -0 2.2305308
143000 8.5238377 888 -0 2.2462387
144000 8.6050517 888 -0 2.2619467
145000 8.6865872 888 -0 2.2776547
146000 8.767621 888 -0 2.2933626
147000 8.8496616 888 -0 2.3090706
148000 8.9329599 888 -0 2.3247786
149000 9.0165929 888 -0 2.3404865
150000 9.1015214 888 -0 2.3561945
151000 9.1847289 888 -0 2.3719025
152000 9.2689185 888 -0 2.3876104
153000 9.3518862 888 -0 2.4033184
154000 9.4367057 888 -0 2.4190263
155000 9.5227466 888 -0 2.4347343
156000 9.6087196 888 -0 2.4504423
157000 9.6955661 888 -0 2.4661502
158000 9.7838227 888 -0 2.4818582
159000 9.8731804 888 -0 2.4975662
160000 9.9626648 888 -0 2.5132741
161000 10.050473 888 -0 2.5289821
162000 10.137725 888 -0 2.54469
163000 10.227259 888 -0 2.560398
164000 10.318501 888 -0 2.576106
165000 10.409218 888 -0 2.5918139
166000 10.502055 888 -0 2.6075219
167000 10.593786 888 -0 2.6232299
168000 10.688536 888 -0 2.6389378
169000 10.786033 888 -0 2.6546458
170000 10.886377 1000 -0 2.6703538
171000 10.987493 1000 -0 2.6860617
172000 11.084584 1000 -0 2.7017697
173000 11.181502 1000 -0 2.7174776
174000 11.28434 1000 -0 2.7331856
175000 11.387838 1000 -0 2.7488936
176000 11.490915 1000 -0 2.7646015
177000 11.595473 1000 -0 2.7803095
178000 11.699823 1000 -0 2.7960175
179000 11.803927 1000 -0 2.8117254
180000 11.90548 1000 -0 2.8274334
181000 12.00857 1000 -0 2.8431414
182000 12.112787 1000 -0 2.8588493
183000 12.217943 1000 -0 2.8745573
184000 12.322668 1000 -0 2.8902652
185000 12.428332 1000 -0 2.9059732
186000 12.535414 1000 -0 2.9216812
187000 12.642404 1000 -0 2.9373891
188000 12.749332 1000 -0 2.9530971
189000 12.856872 1000 -0 2.9688051
190000 12.965335 1000 -0 2.984513
191000 13.073275 1000 -0 3.000221
192000 13.180122 1000 -0 3.0159289
193000 13.288112 1000 -0 3.0316369
194000 13.394688 1000 -0 3.0473449
195000 13.501251 1000 -0 3.0630528
196000 13.607472 1000 -0 3.0787608
197000 13.71396 1000 -0 3.0944688
198000 13.821133 1000 -0 3.1101767
199000 13.929192 1000 -0 3.1258847
200000 14.036724 1000 -0 3.1415927
Loop time of 14.0368 on 4 procs for 200000 steps with 1000 atoms
Performance: 58169.166 tau/day, 14248.307 timesteps/s, 14.248 Matom-step/s
95.5% CPU use with 4 MPI tasks x no OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.47004 | 0.75698 | 1.1 | 33.1 | 5.39
Neigh | 0.0078501 | 0.010659 | 0.013902 | 2.7 | 0.08
Comm | 3.9589 | 4.4102 | 4.9322 | 21.6 | 31.42
Output | 0.0031054 | 0.0046208 | 0.0069341 | 2.1 | 0.03
Modify | 6.1829 | 6.8363 | 7.6135 | 24.8 | 48.70
Other | | 2.018 | | | 14.38
Nlocal: 250 ave 260 max 242 min
Histogram: 1 0 1 0 0 1 0 0 0 1
Nghost: 279.25 ave 325 max 232 min
Histogram: 1 1 0 0 0 0 0 0 1 1
Neighs: 939.75 ave 1397 max 509 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Total # of neighbors = 3759
Ave neighs/atom = 3.759
Neighbor list builds = 201
Dangerous builds = 0
unfix ins
run 200000
Generated 0 of 0 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 11.87 | 11.88 | 11.89 Mbytes
Step CPU Atoms KinEng v_theta
200000 0 1000 1.0071568 3.1415927
201000 0.099357585 1000 1.0036239 3.1573006
202000 0.19922889 1000 0.99846844 3.1730086
203000 0.29896537 1000 0.98236169 3.1887165
204000 0.39875771 1000 0.98625572 3.2044245
205000 0.49759454 1000 0.9893407 3.2201325
206000 0.59609243 1000 1.0012123 3.2358404
207000 0.69408206 1000 1.0231892 3.2515484
208000 0.79216806 1000 1.0265912 3.2672564
209000 0.8902274 1000 1.0190202 3.2829643
210000 0.98909509 1000 1.0267754 3.2986723
211000 1.0882901 1000 1.0186847 3.3143802
212000 1.1895753 1000 1.0159848 3.3300882
213000 1.2891277 1000 0.99326329 3.3457962
214000 1.387486 1000 0.97263135 3.3615041
215000 1.4850078 1000 0.97246409 3.3772121
216000 1.58405 1000 0.96000626 3.3929201
217000 1.6853829 1000 0.95730432 3.408628
218000 1.7911163 1000 0.95605591 3.424336
219000 1.8974141 1000 0.94983 3.440044
220000 2.0029829 1000 0.95291888 3.4557519
221000 2.108723 1000 0.93612997 3.4714599
222000 2.2151561 1000 0.93414081 3.4871678
223000 2.3220866 1000 0.93321246 3.5028758
224000 2.4285504 1000 0.93026943 3.5185838
225000 2.5356173 1000 0.930478 3.5342917
226000 2.6415516 1000 0.92909096 3.5499997
227000 2.747634 1000 0.92308495 3.5657077
228000 2.8524082 1000 0.91075986 3.5814156
229000 2.9570172 1000 0.9006662 3.5971236
230000 3.0627535 1000 0.88869212 3.6128316
231000 3.1683919 1000 0.8877611 3.6285395
232000 3.2749534 1000 0.89409636 3.6442475
233000 3.3824185 1000 0.90866091 3.6599554
234000 3.4917899 1000 0.90454601 3.6756634
235000 3.6009156 1000 0.89408327 3.6913714
236000 3.7111309 1000 0.8881044 3.7070793
237000 3.8197619 1000 0.89322168 3.7227873
238000 3.9302291 1000 0.89018045 3.7384953
239000 4.0407242 1000 0.88771268 3.7542032
240000 4.1521989 1000 0.88957717 3.7699112
241000 4.2639861 1000 0.89362036 3.7856191
242000 4.3782856 1000 0.90967472 3.8013271
243000 4.4925107 1000 0.91366381 3.8170351
244000 4.6057342 1000 0.9150959 3.832743
245000 4.7199383 1000 0.92725789 3.848451
246000 4.8346784 1000 0.93024722 3.864159
247000 4.9515438 1000 0.93297974 3.8798669
248000 5.0696512 1000 0.94755869 3.8955749
249000 5.1838845 1000 0.94761679 3.9112829
250000 5.297991 1000 0.92701064 3.9269908
251000 5.412562 1000 0.91365252 3.9426988
252000 5.5274859 1000 0.90918381 3.9584067
253000 5.6418647 1000 0.90612685 3.9741147
254000 5.7593721 1000 0.90352142 3.9898227
255000 5.8759086 1000 0.90421567 4.0055306
256000 5.993588 1000 0.90024688 4.0212386
257000 6.1142027 1000 0.88540341 4.0369466
258000 6.2318882 1000 0.87890423 4.0526545
259000 6.3502765 1000 0.86833748 4.0683625
260000 6.4677878 1000 0.85465694 4.0840704
261000 6.5875341 1000 0.83941242 4.0997784
262000 6.7063481 1000 0.81790404 4.1154864
263000 6.8249742 1000 0.82284562 4.1311943
264000 6.9421188 1000 0.80961447 4.1469023
265000 7.0588866 1000 0.80567073 4.1626103
266000 7.1763855 1000 0.79577448 4.1783182
267000 7.295632 1000 0.78489106 4.1940262
268000 7.4144463 1000 0.77348757 4.2097342
269000 7.5333839 1000 0.76606696 4.2254421
270000 7.6527119 1000 0.7649744 4.2411501
271000 7.7704222 1000 0.76050309 4.256858
272000 7.8903012 1000 0.75378759 4.272566
273000 8.0106197 1000 0.75633811 4.288274
274000 8.1309707 1000 0.75703106 4.3039819
275000 8.2522837 1000 0.75227453 4.3196899
276000 8.3730898 1000 0.76003902 4.3353979
277000 8.4955037 1000 0.76274661 4.3511058
278000 8.6153206 1000 0.75888482 4.3668138
279000 8.7339569 1000 0.75071875 4.3825218
280000 8.8515447 1000 0.75454927 4.3982297
281000 8.9685253 1000 0.75617824 4.4139377
282000 9.0856168 1000 0.75230835 4.4296456
283000 9.2018894 1000 0.75417571 4.4453536
284000 9.3179777 1000 0.74559345 4.4610616
285000 9.4341721 1000 0.73274661 4.4767695
286000 9.5498722 1000 0.72385193 4.4924775
287000 9.6651326 1000 0.72398899 4.5081855
288000 9.7810274 1000 0.72009027 4.5238934
289000 9.8959471 1000 0.72026686 4.5396014
290000 10.010007 1000 0.72330145 4.5553093
291000 10.123304 1000 0.71630656 4.5710173
292000 10.238277 1000 0.71089192 4.5867253
293000 10.351465 1000 0.70584923 4.6024332
294000 10.464794 1000 0.71350398 4.6181412
295000 10.57818 1000 0.72781836 4.6338492
296000 10.692249 1000 0.72285512 4.6495571
297000 10.80741 1000 0.71649517 4.6652651
298000 10.923694 1000 0.71132209 4.6809731
299000 11.039173 1000 0.73602072 4.696681
300000 11.157002 1000 0.74400837 4.712389
301000 11.272462 1000 0.76618562 4.7280969
302000 11.386581 1000 0.77476041 4.7438049
303000 11.499191 1000 0.77124283 4.7595129
304000 11.611585 1000 0.7625748 4.7752208
305000 11.725012 1000 0.74979361 4.7909288
306000 11.838032 1000 0.74515733 4.8066368
307000 11.949194 1000 0.74302741 4.8223447
308000 12.060586 1000 0.73732959 4.8380527
309000 12.171445 1000 0.73368237 4.8537606
310000 12.283518 1000 0.72374292 4.8694686
311000 12.393447 1000 0.72107784 4.8851766
312000 12.505136 1000 0.72944426 4.9008845
313000 12.616959 1000 0.73958637 4.9165925
314000 12.730312 1000 0.75160847 4.9323005
315000 12.846163 1000 0.74419683 4.9480084
316000 12.960328 1000 0.74652593 4.9637164
317000 13.073994 1000 0.74933482 4.9794244
318000 13.186549 1000 0.74200509 4.9951323
319000 13.296925 1000 0.7346024 5.0108403
320000 13.406825 1000 0.72806145 5.0265482
321000 13.51703 1000 0.72147888 5.0422562
322000 13.628261 1000 0.71460041 5.0579642
323000 13.74063 1000 0.70255075 5.0736721
324000 13.853826 1000 0.70640327 5.0893801
325000 13.968533 1000 0.70643428 5.1050881
326000 14.081456 1000 0.69751794 5.120796
327000 14.195505 1000 0.69035108 5.136504
328000 14.310048 1000 0.68068243 5.152212
329000 14.426048 1000 0.69123492 5.1679199
330000 14.543349 1000 0.70326515 5.1836279
331000 14.662021 1000 0.70551726 5.1993358
332000 14.782194 1000 0.70514444 5.2150438
333000 14.901573 1000 0.71102045 5.2307518
334000 15.020642 1000 0.71336747 5.2464597
335000 15.136739 1000 0.70816388 5.2621677
336000 15.252554 1000 0.69502472 5.2778757
337000 15.368496 1000 0.69314289 5.2935836
338000 15.483744 1000 0.68565794 5.3092916
339000 15.599584 1000 0.67268053 5.3249995
340000 15.717342 1000 0.68313196 5.3407075
341000 15.835594 1000 0.68782815 5.3564155
342000 15.954546 1000 0.6989326 5.3721234
343000 16.074184 1000 0.694926 5.3878314
344000 16.193902 1000 0.7006474 5.4035394
345000 16.314878 1000 0.70783177 5.4192473
346000 16.434704 1000 0.71334276 5.4349553
347000 16.554708 1000 0.72917419 5.4506633
348000 16.673034 1000 0.74315705 5.4663712
349000 16.791269 1000 0.76731311 5.4820792
350000 16.912554 1000 0.79761434 5.4977871
351000 17.03323 1000 0.80447724 5.5134951
352000 17.155644 1000 0.80118728 5.5292031
353000 17.281134 1000 0.77990459 5.544911
354000 17.406672 1000 0.76453299 5.560619
355000 17.532346 1000 0.76538392 5.576327
356000 17.657256 1000 0.76310698 5.5920349
357000 17.782477 1000 0.75897095 5.6077429
358000 17.909642 1000 0.75071115 5.6234508
359000 18.035032 1000 0.74034801 5.6391588
360000 18.160696 1000 0.72671924 5.6548668
361000 18.285089 1000 0.72111017 5.6705747
362000 18.408849 1000 0.71875181 5.6862827
363000 18.533901 1000 0.71469706 5.7019907
364000 18.659326 1000 0.70470493 5.7176986
365000 18.784109 1000 0.70863047 5.7334066
366000 18.911344 1000 0.70850561 5.7491146
367000 19.039756 1000 0.71413452 5.7648225
368000 19.169907 1000 0.71314184 5.7805305
369000 19.299066 1000 0.71309549 5.7962384
370000 19.428116 1000 0.71132937 5.8119464
371000 19.553027 1000 0.70788039 5.8276544
372000 19.678121 1000 0.71780071 5.8433623
373000 19.804465 1000 0.72352571 5.8590703
374000 19.92949 1000 0.71723739 5.8747783
375000 20.053554 1000 0.71556941 5.8904862
376000 20.177991 1000 0.70935312 5.9061942
377000 20.301972 1000 0.71551157 5.9219022
378000 20.427612 1000 0.7235163 5.9376101
379000 20.554742 1000 0.73896421 5.9533181
380000 20.680899 1000 0.74906169 5.969026
381000 20.805515 1000 0.75303336 5.984734
382000 20.931483 1000 0.75359492 6.000442
383000 21.05731 1000 0.75579354 6.0161499
384000 21.184712 1000 0.75178368 6.0318579
385000 21.310667 1000 0.74412159 6.0475659
386000 21.433509 1000 0.7360955 6.0632738
387000 21.554251 1000 0.73461103 6.0789818
388000 21.674477 1000 0.72496617 6.0946897
389000 21.794698 1000 0.7219047 6.1103977
390000 21.914083 1000 0.71837013 6.1261057
391000 22.033188 1000 0.71495923 6.1418136
392000 22.152689 1000 0.71436707 6.1575216
393000 22.271183 1000 0.71447834 6.1732296
394000 22.389775 1000 0.71334298 6.1889375
395000 22.509106 1000 0.71510229 6.2046455
396000 22.628068 1000 0.7121714 6.2203535
397000 22.746926 1000 0.70818894 6.2360614
398000 22.865086 1000 0.70059455 6.2517694
399000 22.982394 1000 0.69960089 6.2674773
400000 23.100381 1000 0.70261998 6.2831853
Loop time of 23.1004 on 4 procs for 200000 steps with 1000 atoms
Performance: 35345.963 tau/day, 8657.854 timesteps/s, 8.658 Matom-step/s
92.9% CPU use with 4 MPI tasks x no OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 1.263 | 2.1388 | 3.0295 | 58.6 | 9.26
Neigh | 0.012633 | 0.017793 | 0.023147 | 3.7 | 0.08
Comm | 7.8521 | 9.0474 | 10.284 | 39.6 | 39.17
Output | 0.0029549 | 0.004916 | 0.0068506 | 2.0 | 0.02
Modify | 8.3635 | 9.8066 | 11.142 | 41.0 | 42.45
Other | | 2.085 | | | 9.03
Nlocal: 250 ave 258 max 241 min
Histogram: 1 0 0 0 1 0 0 1 0 1
Nghost: 412 ave 492 max 332 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Neighs: 1258.5 ave 1588 max 953 min
Histogram: 2 0 0 0 0 0 0 0 1 1
Total # of neighbors = 5034
Ave neighs/atom = 5.034
Neighbor list builds = 159
Dangerous builds = 0
Total wall time: 0:00:37

View File

@ -1,475 +0,0 @@
LAMMPS (27 Nov 2018)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:87)
using 1 OpenMP thread(s) per MPI task
# pouring spheres into container box
units lj
atom_style sphere
boundary f f f
dimension 3
comm_modify vel yes
region box block -10 10 -10 10 -10 10 units box
create_box 2 box
Created orthogonal box = (-10 -10 -10) to (10 10 10)
1 by 1 by 1 MPI processor grid
pair_style hybrid gran/hooke 4000.0 NULL 100.0 NULL 0.5 1
pair_coeff * * gran/hooke
region container block -6 6 -6 6 -6 6 units box
fix container all wall/gran/region hooke/history 4000.0 NULL 100.0 NULL 0.5 1 region container
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
fix 2 all nve/sphere
fix 3 all gravity 1.0 vector 0 0 -1
region slab block -2 2 -2 2 -2 2 units box
fix ins all pour 100 2 4767548 vol 0.4 10 diam one 1.0 region slab ignore
Particle insertion: 48 every 566 steps, 100 by step 1133
timestep 0.005
compute 1 all temp
compute_modify 1 dynamic/dof yes
compute 2 all temp/sphere
compute_modify 2 dynamic/dof yes
thermo 100
thermo_style custom step atoms temp c_1 c_2 press
thermo_modify lost ignore
compute_modify thermo_temp dynamic/dof yes
#dump 2 all image 100 image.*.jpg type type # zoom 1.4 adiam 1.0 box no 0.0 axes yes 0.9 0.03
#dump_modify 2 pad 5
run 5000
Neighbor list info ...
update every 1 steps, delay 0 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 1.3
ghost atom cutoff = 1.3
binsize = 0.65, bins = 31 31 31
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair gran/hooke, perpetual
attributes: half, newton on, size
pair build: half/size/bin/newton
stencil: half/bin/3d/newton
bin: standard
Per MPI rank memory allocation (min/avg/max) = 0.5855 | 0.5855 | 0.5855 Mbytes
Step Atoms Temp c_1 c_2 Press
0 0 0 0 0 0
100 21 0.54270729 0.54270729 0.26473526 0.0013567682
200 21 0.87606961 0.87606961 0.42735103 0.002190174
300 21 1.1428374 1.1428374 0.55748167 0.0028570936
400 21 1.3543103 1.3543103 0.66829516 0.0033857758
500 21 1.0677786 1.0677786 0.53582407 0.0045048164
600 56 0.6744286 0.6744286 0.3502938 0.0047464584
700 56 0.75569283 0.75569283 0.39779462 0.0051953882
800 56 0.61597505 0.61597505 0.32943642 0.0086022783
900 56 0.65260802 0.65260802 0.34474044 0.0059298996
1000 56 0.51624952 0.51624952 0.28326898 0.0067827337
1100 56 0.46050076 0.46050076 0.25656319 0.0061891094
1200 81 0.39112346 0.39112346 0.21690172 0.0086559316
1300 81 0.33302617 0.33302617 0.19109398 0.0033381104
1400 81 0.3933533 0.3933533 0.21221692 0.004135078
1500 81 0.35495297 0.35495297 0.19925984 0.0037374946
1600 81 0.34150606 0.34150606 0.19025811 0.0053492835
1700 100 0.2561647 0.2561647 0.14186278 0.0090767057
1800 100 0.21124278 0.21124278 0.12154878 0.0028545759
1900 100 0.21793955 0.21793955 0.12173867 0.0029049155
2000 100 0.25530858 0.25530858 0.13892272 0.0035528009
2100 100 0.24671808 0.24671808 0.13687783 0.0076812435
2200 100 0.22465216 0.22465216 0.12513603 0.0042528715
2300 100 0.19362854 0.19362854 0.10914305 0.0061173739
2400 100 0.061627608 0.061627608 0.045907717 0.0010422721
2500 100 0.052700901 0.052700901 0.038883014 0.0019341647
2600 100 0.037332018 0.037332018 0.028357146 0.0028364476
2700 100 0.033526602 0.033526602 0.024609055 0.00044524562
2800 100 0.0194148 0.0194148 0.014491377 0.00056526591
2900 100 0.012346108 0.012346108 0.009857017 0.00081855699
3000 100 0.0107344 0.0107344 0.008669364 0.00040371396
3100 100 0.0092678291 0.0092678291 0.0073003108 0.00033287397
3200 100 0.0085847001 0.0085847001 0.0064045591 0.00023253547
3300 100 0.0049475182 0.0049475182 0.0041173627 0.00019876269
3400 100 0.0030471097 0.0030471097 0.0026940466 0.00013462604
3500 100 0.0031188371 0.0031188371 0.002612223 0.00026148578
3600 100 0.0017616584 0.0017616584 0.0017464137 0.00019049724
3700 100 0.0015475923 0.0015475923 0.0015560356 0.00025062814
3800 100 0.0012547887 0.0012547887 0.0012622678 0.00014132236
3900 100 0.0010047282 0.0010047282 0.0010379262 9.7665594e-05
4000 100 0.00080895307 0.00080895307 0.00088263027 8.1278842e-05
4100 100 0.00079078739 0.00079078739 0.00085810727 8.1271694e-05
4200 100 0.00075192318 0.00075192318 0.00083085046 8.9352453e-05
4300 100 0.00063546457 0.00063546457 0.00073222177 8.9264255e-05
4400 100 0.00062398391 0.00062398391 0.00071312118 8.4200615e-05
4500 100 0.00056464934 0.00056464934 0.00066087801 9.2097641e-05
4600 100 0.00066951894 0.00066951894 0.00071633313 8.2457941e-05
4700 100 0.001128837 0.001128837 0.00095293877 0.00011716361
4800 100 0.00049580391 0.00049580391 0.00056710488 0.00010718794
4900 100 0.00054374371 0.00054374371 0.00058671699 5.6580257e-05
5000 100 0.00043016232 0.00043016232 0.00050264172 2.8640786e-05
Loop time of 0.0807264 on 1 procs for 5000 steps with 100 atoms
Performance: 26757050.955 tau/day, 61937.618 timesteps/s
97.4% CPU use with 1 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.0089066 | 0.0089066 | 0.0089066 | 0.0 | 11.03
Neigh | 0.017107 | 0.017107 | 0.017107 | 0.0 | 21.19
Comm | 0.00091505 | 0.00091505 | 0.00091505 | 0.0 | 1.13
Output | 0.00051451 | 0.00051451 | 0.00051451 | 0.0 | 0.64
Modify | 0.047671 | 0.047671 | 0.047671 | 0.0 | 59.05
Other | | 0.005612 | | | 6.95
Nlocal: 100 ave 100 max 100 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: 158 ave 158 max 158 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 158
Ave neighs/atom = 1.58
Neighbor list builds = 310
Dangerous builds = 0
region container delete
variable theta equal (step-5000)*(4.0*PI/5000)
region container block -6 6 -6 6 -6 6 units box rotate v_theta 0 0 0 0 0 1
run 5000
Per MPI rank memory allocation (min/avg/max) = 5.836 | 5.836 | 5.836 Mbytes
Step Atoms Temp c_1 c_2 Press
5000 100 0.00043016232 0.00043016232 0.00050264172 2.8677624e-05
5100 100 0.56489668 0.56489668 0.31137762 0.011848041
5200 100 0.66068288 0.66068288 0.35915482 0.010199755
5300 100 0.74068022 0.74068022 0.39643217 0.010806409
5400 100 0.80913562 0.80913562 0.42748505 0.01190892
5500 100 0.89409135 0.89409135 0.46135116 0.013093474
5600 100 0.97585093 0.97585093 0.50021126 0.013588886
5700 100 1.0151954 1.0151954 0.5174624 0.01601347
5800 100 1.0452728 1.0452728 0.53122496 0.01879329
5900 100 1.0881689 1.0881689 0.55152229 0.017120714
6000 100 1.1133186 1.1133186 0.5638022 0.017284617
6100 100 1.1532099 1.1532099 0.58310076 0.017031384
6200 100 1.1798849 1.1798849 0.5959516 0.017971323
6300 100 1.19387 1.19387 0.60173877 0.020140984
6400 100 1.2126705 1.2126705 0.61086899 0.018426638
6500 100 1.2137646 1.2137646 0.61284198 0.019127381
6600 100 1.2339012 1.2339012 0.62199324 0.019378799
6700 100 1.2439326 1.2439326 0.62488425 0.021049447
6800 100 1.2489549 1.2489549 0.6278167 0.019552409
6900 100 1.2733303 1.2733303 0.63898149 0.020237284
7000 100 1.2835029 1.2835029 0.6440245 0.020798586
7100 100 1.2866111 1.2866111 0.64522896 0.020355019
7200 100 1.2886381 1.2886381 0.6467497 0.02062322
7300 100 1.2885085 1.2885085 0.64617988 0.020350755
7400 100 1.2912349 1.2912349 0.64691898 0.020197503
7500 100 1.2963062 1.2963062 0.64926335 0.020349791
7600 100 1.3016488 1.3016488 0.65150178 0.021001457
7700 100 1.3009311 1.3009311 0.65106234 0.021546471
7800 100 1.3016987 1.3016987 0.65143099 0.020994967
7900 100 1.3028811 1.3028811 0.65164558 0.022200425
8000 100 1.3087855 1.3087855 0.65439023 0.021310808
8100 100 1.3102001 1.3102001 0.65514941 0.021177764
8200 100 1.3133931 1.3133931 0.65681861 0.021591267
8300 100 1.3148898 1.3148898 0.65775353 0.021335384
8400 100 1.3160355 1.3160355 0.65845913 0.021238095
8500 100 1.3171797 1.3171797 0.65934185 0.021172983
8600 100 1.3176785 1.3176785 0.65964311 0.020747457
8700 100 1.3180425 1.3180425 0.66019624 0.021275913
8800 100 1.3287501 1.3287501 0.66444242 0.021832635
8900 100 1.3249847 1.3249847 0.6625848 0.021337451
9000 100 1.326216 1.326216 0.66297827 0.021470663
9100 100 1.3261662 1.3261662 0.66303852 0.021423573
9200 100 1.3312132 1.3312132 0.6653609 0.021385943
9300 100 1.3300976 1.3300976 0.66504574 0.021489888
9400 100 1.3377335 1.3377335 0.66820989 0.021565001
9500 100 1.3421956 1.3421956 0.67027168 0.022402346
9600 100 1.3464217 1.3464217 0.67228206 0.021991922
9700 100 1.3470623 1.3470623 0.67258349 0.022035729
9800 100 1.3446725 1.3446725 0.67135725 0.022295251
9900 100 1.343146 1.343146 0.67066672 0.022049041
10000 100 1.3435397 1.3435397 0.67093067 0.022451365
Loop time of 0.247549 on 1 procs for 5000 steps with 100 atoms
Performance: 8725560.044 tau/day, 20198.056 timesteps/s
99.4% CPU use with 1 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.031783 | 0.031783 | 0.031783 | 0.0 | 12.84
Neigh | 0.038383 | 0.038383 | 0.038383 | 0.0 | 15.51
Comm | 0.0012343 | 0.0012343 | 0.0012343 | 0.0 | 0.50
Output | 0.00056028 | 0.00056028 | 0.00056028 | 0.0 | 0.23
Modify | 0.1687 | 0.1687 | 0.1687 | 0.0 | 68.15
Other | | 0.00689 | | | 2.78
Nlocal: 100 ave 100 max 100 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: 199 ave 199 max 199 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 199
Ave neighs/atom = 1.99
Neighbor list builds = 621
Dangerous builds = 0
region container delete
region container block -6 6 -6 6 -6 6 units box
run 5000
Per MPI rank memory allocation (min/avg/max) = 5.836 | 5.836 | 5.836 Mbytes
Step Atoms Temp c_1 c_2 Press
10000 100 1.3435397 1.3435397 0.67093067 0.022411116
10100 100 0.31352763 0.31352763 0.18877908 0.01321582
10200 100 0.13367611 0.13367611 0.090010637 0.0074171016
10300 100 0.068195658 0.068195658 0.052632714 0.0019696287
10400 100 0.053814936 0.053814936 0.043037586 0.0017121584
10500 100 0.04032072 0.04032072 0.032944572 0.0011809154
10600 100 0.029178161 0.029178161 0.023951873 0.0007804529
10700 100 0.025978206 0.025978206 0.021045025 0.00099531465
10800 100 0.023205036 0.023205036 0.01898502 0.00040036401
10900 100 0.019994638 0.019994638 0.016451227 0.00027385559
11000 100 0.017838131 0.017838131 0.014730762 0.00040399762
11100 100 0.014863196 0.014863196 0.012314308 0.00019097464
11200 100 0.012131256 0.012131256 0.010102122 0.00018514926
11300 100 0.010881385 0.010881385 0.0090013541 0.00016579157
11400 100 0.0076519814 0.0076519814 0.0064604568 0.00035399997
11500 100 0.0067507315 0.0067507315 0.0057378868 0.00049116726
11600 100 0.0053146649 0.0053146649 0.0047005938 0.00019625233
11700 100 0.0044162463 0.0044162463 0.0039534657 0.00012548039
11800 100 0.0037025387 0.0037025387 0.0033604103 6.2969827e-05
11900 100 0.0032632211 0.0032632211 0.0030406641 8.1600622e-05
12000 100 0.0028944057 0.0028944057 0.0026875858 6.6435833e-05
12100 100 0.0027644728 0.0027644728 0.0025859762 5.5899271e-05
12200 100 0.002480367 0.002480367 0.0023685117 6.0201418e-05
12300 100 0.0024136475 0.0024136475 0.0023107986 4.4386874e-05
12400 100 0.0021911567 0.0021911567 0.0021413262 5.0213175e-05
12500 100 0.0019775905 0.0019775905 0.0019927698 0.00035250097
12600 100 0.0017410363 0.0017410363 0.001830428 5.7885177e-05
12700 100 0.0015749276 0.0015749276 0.0016816771 4.5530192e-05
12800 100 0.0015187705 0.0015187705 0.0016218625 4.0589413e-05
12900 100 0.0014778376 0.0014778376 0.001580232 4.0085455e-05
13000 100 0.0014693491 0.0014693491 0.0015681809 4.0407656e-05
13100 100 0.0014434495 0.0014434495 0.0015356278 5.7849212e-05
13200 100 0.0014121959 0.0014121959 0.0015058758 3.2720737e-05
13300 100 0.0012876041 0.0012876041 0.0013838998 3.7725702e-05
13400 100 0.0012304951 0.0012304951 0.0013373457 3.6784546e-05
13500 100 0.0011954303 0.0011954303 0.0012877627 3.6584963e-05
13600 100 0.0011028947 0.0011028947 0.0011955404 2.3767582e-05
13700 100 0.0010611762 0.0010611762 0.0011504675 3.485879e-05
13800 100 0.0010080835 0.0010080835 0.0010997919 3.7905404e-05
13900 100 0.00096495712 0.00096495712 0.0010530767 3.5273885e-05
14000 100 0.00094945029 0.00094945029 0.0010409175 3.3718395e-05
14100 100 0.00092386757 0.00092386757 0.0010217415 3.3313256e-05
14200 100 0.00088928389 0.00088928389 0.000983023 3.290941e-05
14300 100 0.00082696485 0.00082696485 0.00092690771 3.1651431e-05
14400 100 0.00081086188 0.00081086188 0.00091681096 3.1845632e-05
14500 100 0.00077732305 0.00077732305 0.00087592983 4.8087361e-05
14600 100 0.00073386005 0.00073386005 0.00082546873 3.0892065e-05
14700 100 0.00068701098 0.00068701098 0.00075953521 0.00010208859
14800 100 0.00065860451 0.00065860451 0.00073738846 2.9272912e-05
14900 100 0.00064706564 0.00064706564 0.00072748391 2.9817955e-05
15000 100 0.00064227996 0.00064227996 0.00070964586 3.2547768e-05
Loop time of 0.0840213 on 1 procs for 5000 steps with 100 atoms
Performance: 25707757.817 tau/day, 59508.699 timesteps/s
98.2% CPU use with 1 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.01004 | 0.01004 | 0.01004 | 0.0 | 11.95
Neigh | 0.0057366 | 0.0057366 | 0.0057366 | 0.0 | 6.83
Comm | 0.00086808 | 0.00086808 | 0.00086808 | 0.0 | 1.03
Output | 0.00049472 | 0.00049472 | 0.00049472 | 0.0 | 0.59
Modify | 0.060893 | 0.060893 | 0.060893 | 0.0 | 72.47
Other | | 0.005989 | | | 7.13
Nlocal: 100 ave 100 max 100 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: 151 ave 151 max 151 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 151
Ave neighs/atom = 1.51
Neighbor list builds = 92
Dangerous builds = 0
region container delete
variable theta equal (step-15000)*(4.0*PI/5000)
region container block -6 6 -6 6 -6 6 units box rotate v_theta 0 0 0 1 1 1
run 5000
Per MPI rank memory allocation (min/avg/max) = 5.836 | 5.836 | 5.836 Mbytes
Step Atoms Temp c_1 c_2 Press
15000 100 0.00064227996 0.00064227996 0.00070964586 3.2291286e-05
15100 100 0.81230775 0.81230775 0.53266834 0.010948517
15200 100 0.87957637 0.87957637 0.57559572 0.012401402
15300 100 1.0262431 1.0262431 0.66535656 0.015239294
15400 100 1.2863564 1.2863564 0.82026439 0.020115365
15500 100 1.4721549 1.4721549 0.92138954 0.022400442
15600 100 1.7140429 1.7140429 1.0103822 0.02558084
15700 100 1.8963287 1.8963287 1.0916756 0.032032318
15800 100 2.0741177 2.0741177 1.1706233 0.034251942
15900 100 2.1434733 2.1434733 1.2054242 0.030132271
16000 100 2.1409892 2.1409892 1.2019761 0.030914205
16100 100 2.2496058 2.2496058 1.2476438 0.030939743
16200 100 2.233356 2.233356 1.2499888 0.030097445
16300 100 2.2673491 2.2673491 1.272321 0.030968524
16400 100 2.3735648 2.3735648 1.3126117 0.034532377
16500 100 2.4510087 2.4510087 1.3588349 0.036685351
16600 100 2.497406 2.497406 1.3811443 0.032019982
16700 100 2.6800518 2.6800518 1.4661941 0.037455527
16800 100 2.8673997 2.8673997 1.5558303 0.03606532
16900 100 3.1229488 3.1229488 1.6918439 0.039753213
17000 100 3.117815 3.117815 1.6996841 0.046210837
17100 100 3.3336225 3.3336225 1.7834517 0.047865361
17200 100 3.1773164 3.1773164 1.7113961 0.047778334
17300 100 3.4336759 3.4336759 1.8343073 0.049673718
17400 100 3.3142326 3.3142326 1.7796613 0.055329946
17500 100 3.3205493 3.3205493 1.7853946 0.043558145
17600 100 3.2764553 3.2764553 1.7640702 0.051463316
17700 100 3.1909643 3.1909643 1.7407995 0.043248948
17800 100 3.1958324 3.1958324 1.735056 0.050123145
17900 100 3.2431806 3.2431806 1.7380638 0.050838878
18000 100 3.2967417 3.2967417 1.7705821 0.042176084
18100 100 3.4270672 3.4270672 1.8459819 0.043589925
18200 100 3.3638494 3.3638494 1.8159436 0.048949648
18300 100 3.3192279 3.3192279 1.8122198 0.043629595
18400 100 3.2627211 3.2627211 1.796316 0.045504529
18500 100 3.5669172 3.5669172 1.9257062 0.048460393
18600 100 3.5546411 3.5546411 1.9154318 0.046890968
18700 100 3.7288485 3.7288485 2.011106 0.046906531
18800 100 3.6800347 3.6800347 1.9936406 0.049985172
18900 100 3.7151898 3.7151898 2.007659 0.050394561
19000 100 3.9693368 3.9693368 2.1311549 0.053710204
19100 100 3.6907732 3.6907732 1.9939387 0.05480136
19200 100 3.8808777 3.8808777 2.0790125 0.055093552
19300 100 3.8422142 3.8422142 2.0756951 0.058090774
19400 100 3.7836875 3.7836875 2.0399805 0.06965907
19500 100 4.0480195 4.0480195 2.169214 0.053420651
19600 100 3.965917 3.965917 2.1245227 0.059077084
19700 100 3.8980869 3.8980869 2.0956306 0.050857062
19800 100 4.008079 4.008079 2.1501421 0.054938689
19900 100 3.7244506 3.7244506 2.0080877 0.055481507
20000 100 3.8146094 3.8146094 2.0541416 0.053187111
Loop time of 0.210396 on 1 procs for 5000 steps with 100 atoms
Performance: 10266363.999 tau/day, 23764.731 timesteps/s
98.3% CPU use with 1 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.013991 | 0.013991 | 0.013991 | 0.0 | 6.65
Neigh | 0.056947 | 0.056947 | 0.056947 | 0.0 | 27.07
Comm | 0.0013928 | 0.0013928 | 0.0013928 | 0.0 | 0.66
Output | 0.00054646 | 0.00054646 | 0.00054646 | 0.0 | 0.26
Modify | 0.13027 | 0.13027 | 0.13027 | 0.0 | 61.92
Other | | 0.007249 | | | 3.45
Nlocal: 100 ave 100 max 100 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: 144 ave 144 max 144 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 144
Ave neighs/atom = 1.44
Neighbor list builds = 910
Dangerous builds = 0
region container delete
region container block -6 6 -6 6 -6 6 units box
run 5000
Per MPI rank memory allocation (min/avg/max) = 5.836 | 5.836 | 5.836 Mbytes
Step Atoms Temp c_1 c_2 Press
20000 100 3.8146094 3.8146094 2.0541416 0.052956687
20100 100 1.3848453 1.3848453 0.82244153 0.017544632
20200 100 0.89469578 0.89469578 0.55929611 0.0111604
20300 100 0.83962013 0.83962013 0.52665461 0.010396174
20400 100 0.77264252 0.77264252 0.48961142 0.0095493901
20500 100 0.78613208 0.78613208 0.48683715 0.012166835
20600 100 0.88411633 0.88411633 0.52854942 0.011725323
20700 100 0.89833225 0.89833225 0.52549693 0.012193413
20800 100 0.90216089 0.90216089 0.51167019 0.014289685
20900 100 0.98665057 0.98665057 0.5468893 0.013794318
21000 100 0.7576342 0.7576342 0.42758791 0.011720156
21100 100 0.3821563 0.3821563 0.23426423 0.005324458
21200 100 0.17486973 0.17486973 0.12876582 0.0029726352
21300 100 0.17940562 0.17940562 0.12400155 0.0026179917
21400 100 0.15526876 0.15526876 0.10526802 0.002341177
21500 100 0.079493361 0.079493361 0.062289324 0.0017379534
21600 100 0.057299519 0.057299519 0.047939171 0.0020095941
21700 100 0.056900097 0.056900097 0.045799124 0.0017782068
21800 100 0.039847861 0.039847861 0.035138066 0.0018265057
21900 100 0.03919167 0.03919167 0.031815619 0.0012160098
22000 100 0.025499317 0.025499317 0.022126202 0.0010056809
22100 100 0.018956113 0.018956113 0.017843095 0.0016109368
22200 100 0.017337018 0.017337018 0.016063068 0.00042537508
22300 100 0.014785686 0.014785686 0.013007571 0.00049466367
22400 100 0.011754087 0.011754087 0.010399793 0.00042349151
22500 100 0.010362474 0.010362474 0.009077435 0.00025198478
22600 100 0.0089484896 0.0089484896 0.0079474121 0.00035239475
22700 100 0.0089936432 0.0089936432 0.0077908763 0.00018548371
22800 100 0.0068663718 0.0068663718 0.0064061667 0.00025641972
22900 100 0.0050272392 0.0050272392 0.0046676214 0.00040466013
23000 100 0.0049250142 0.0049250142 0.0044849467 0.00035704909
23100 100 0.0050508148 0.0050508148 0.0043117775 0.00030051828
23200 100 0.0037293467 0.0037293467 0.0033592517 0.00038108923
23300 100 0.0032823722 0.0032823722 0.0030511575 0.00040421775
23400 100 0.0026913866 0.0026913866 0.0025493429 9.2813733e-05
23500 100 0.0025590632 0.0025590632 0.0024466447 8.4695125e-05
23600 100 0.0025270441 0.0025270441 0.0024236554 8.4237376e-05
23700 100 0.0026406527 0.0026406527 0.0024501963 0.00015009901
23800 100 0.0024633391 0.0024633391 0.0023470594 3.8990761e-05
23900 100 0.0029505606 0.0029505606 0.0025122613 4.9810757e-05
24000 100 0.0019535519 0.0019535519 0.0019112421 3.5804751e-05
24100 100 0.0017505151 0.0017505151 0.001726233 2.380737e-05
24200 100 0.0015864857 0.0015864857 0.0015479949 1.963276e-05
24300 100 0.0014535898 0.0014535898 0.0014221262 3.6607862e-05
24400 100 0.0013744934 0.0013744934 0.0013523293 1.4522467e-05
24500 100 0.0013286378 0.0013286378 0.0013097089 3.2389792e-05
24600 100 0.0012093624 0.0012093624 0.0011617482 4.848694e-05
24700 100 0.0011817062 0.0011817062 0.0011409092 3.8898899e-05
24800 100 0.0011142524 0.0011142524 0.0010877723 1.4560662e-05
24900 100 0.0010941199 0.0010941199 0.0010614415 7.0209336e-05
25000 100 0.0010773559 0.0010773559 0.0010389783 1.3332279e-05
Loop time of 0.0912137 on 1 procs for 5000 steps with 100 atoms
Performance: 23680652.416 tau/day, 54816.325 timesteps/s
99.3% CPU use with 1 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.010053 | 0.010053 | 0.010053 | 0.0 | 11.02
Neigh | 0.017597 | 0.017597 | 0.017597 | 0.0 | 19.29
Comm | 0.00092912 | 0.00092912 | 0.00092912 | 0.0 | 1.02
Output | 0.00049806 | 0.00049806 | 0.00049806 | 0.0 | 0.55
Modify | 0.056085 | 0.056085 | 0.056085 | 0.0 | 61.49
Other | | 0.006052 | | | 6.63
Nlocal: 100 ave 100 max 100 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: 143 ave 143 max 143 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 143
Ave neighs/atom = 1.43
Neighbor list builds = 289
Dangerous builds = 0
Total wall time: 0:00:00

View File

@ -1,475 +0,0 @@
LAMMPS (27 Nov 2018)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:87)
using 1 OpenMP thread(s) per MPI task
# pouring spheres into container box
units lj
atom_style sphere
boundary f f f
dimension 3
comm_modify vel yes
region box block -10 10 -10 10 -10 10 units box
create_box 2 box
Created orthogonal box = (-10 -10 -10) to (10 10 10)
1 by 2 by 2 MPI processor grid
pair_style hybrid gran/hooke 4000.0 NULL 100.0 NULL 0.5 1
pair_coeff * * gran/hooke
region container block -6 6 -6 6 -6 6 units box
fix container all wall/gran/region hooke/history 4000.0 NULL 100.0 NULL 0.5 1 region container
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
fix 2 all nve/sphere
fix 3 all gravity 1.0 vector 0 0 -1
region slab block -2 2 -2 2 -2 2 units box
fix ins all pour 100 2 4767548 vol 0.4 10 diam one 1.0 region slab ignore
Particle insertion: 48 every 566 steps, 100 by step 1133
timestep 0.005
compute 1 all temp
compute_modify 1 dynamic/dof yes
compute 2 all temp/sphere
compute_modify 2 dynamic/dof yes
thermo 100
thermo_style custom step atoms temp c_1 c_2 press
thermo_modify lost ignore
compute_modify thermo_temp dynamic/dof yes
#dump 2 all image 100 image.*.jpg type type # zoom 1.4 adiam 1.0 box no 0.0 axes yes 0.9 0.03
#dump_modify 2 pad 5
run 5000
Neighbor list info ...
update every 1 steps, delay 0 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 1.3
ghost atom cutoff = 1.3
binsize = 0.65, bins = 31 31 31
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair gran/hooke, perpetual
attributes: half, newton on, size
pair build: half/size/bin/newton
stencil: half/bin/3d/newton
bin: standard
Per MPI rank memory allocation (min/avg/max) = 0.4834 | 0.4834 | 0.4834 Mbytes
Step Atoms Temp c_1 c_2 Press
0 0 0 0 0 0
100 21 0.54270729 0.54270729 0.26473526 0.0013567682
200 21 0.87606961 0.87606961 0.42735103 0.002190174
300 21 1.1428374 1.1428374 0.55748167 0.0028570936
400 21 1.3543103 1.3543103 0.66829516 0.0033857758
500 21 1.0677786 1.0677786 0.53582407 0.0045048164
600 56 0.6744286 0.6744286 0.3502938 0.0047464584
700 56 0.75569283 0.75569283 0.39779462 0.0051953882
800 56 0.61597505 0.61597505 0.32943642 0.0086022783
900 56 0.65260802 0.65260802 0.34474044 0.0059298996
1000 56 0.51624952 0.51624952 0.28326898 0.0067827337
1100 56 0.46050076 0.46050076 0.25656319 0.0061891094
1200 81 0.39112346 0.39112346 0.21690172 0.0086559316
1300 81 0.33302617 0.33302617 0.19109398 0.0033381104
1400 81 0.3933533 0.3933533 0.21221692 0.004135078
1500 81 0.35495297 0.35495297 0.19925984 0.0037374946
1600 81 0.34150606 0.34150606 0.19025811 0.0053492835
1700 100 0.2561647 0.2561647 0.14186278 0.0090767057
1800 100 0.21124278 0.21124278 0.12154878 0.002854576
1900 100 0.21793955 0.21793955 0.12173867 0.0029049175
2000 100 0.25530858 0.25530858 0.13892272 0.0035528022
2100 100 0.24671805 0.24671805 0.13687782 0.0076812357
2200 100 0.22465212 0.22465212 0.12513612 0.0042526344
2300 100 0.19362805 0.19362805 0.10914275 0.0061175383
2400 100 0.061626039 0.061626039 0.045905953 0.0010393593
2500 100 0.052690575 0.052690575 0.038879745 0.0018543933
2600 100 0.037256691 0.037256691 0.02833916 0.0027683815
2700 100 0.033416362 0.033416362 0.024551243 0.00046725913
2800 100 0.019617758 0.019617758 0.014619416 0.00064550316
2900 100 0.012313874 0.012313874 0.0098188153 0.00033470181
3000 100 0.010948455 0.010948455 0.0087981878 0.00034401243
3100 100 0.009359431 0.009359431 0.0073642412 0.00045497356
3200 100 0.008129885 0.008129885 0.0061460516 0.00029944201
3300 100 0.0050682533 0.0050682533 0.0042692811 0.00026543293
3400 100 0.0031539312 0.0031539312 0.0027256511 0.00012475748
3500 100 0.0023621311 0.0023621311 0.0021691817 0.0001186392
3600 100 0.0018305354 0.0018305354 0.0018004128 0.00015926282
3700 100 0.0016522492 0.0016522492 0.0017231072 0.0002193159
3800 100 0.0011715102 0.0011715102 0.0012739973 0.0001747857
3900 100 0.0010607606 0.0010607606 0.0010974725 0.00012476088
4000 100 0.00087570802 0.00087570802 0.00095828935 6.5544103e-05
4100 100 0.00078598203 0.00078598203 0.00088068743 9.4560761e-05
4200 100 0.00088317454 0.00088317454 0.00092784605 8.1108122e-05
4300 100 0.0015013254 0.0015013254 0.0012069505 8.8289686e-05
4400 100 0.00070054041 0.00070054041 0.00079451193 5.195712e-05
4500 100 0.00096259073 0.00096259073 0.00091232511 3.4895669e-05
4600 100 0.00056641848 0.00056641848 0.00069083146 3.9657253e-05
4700 100 0.0005455099 0.0005455099 0.00064816699 2.8131762e-05
4800 100 0.00048254366 0.00048254366 0.00057192255 4.7914432e-05
4900 100 0.00037108125 0.00037108125 0.00048035333 6.4711817e-05
5000 100 0.00031290399 0.00031290399 0.00042398478 4.6025975e-05
Loop time of 0.075416 on 4 procs for 5000 steps with 100 atoms
Performance: 28641126.336 tau/day, 66298.904 timesteps/s
93.7% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.0022948 | 0.0041364 | 0.0061705 | 2.8 | 5.48
Neigh | 0.0043123 | 0.0057145 | 0.0070784 | 1.8 | 7.58
Comm | 0.014259 | 0.018658 | 0.024313 | 3.3 | 24.74
Output | 0.0011525 | 0.001404 | 0.0015383 | 0.4 | 1.86
Modify | 0.0030508 | 0.014543 | 0.026602 | 9.5 | 19.28
Other | | 0.03096 | | | 41.05
Nlocal: 25 ave 51 max 0 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Nghost: 5.5 ave 12 max 0 min
Histogram: 2 0 0 0 0 0 0 0 1 1
Neighs: 39.75 ave 84 max 0 min
Histogram: 2 0 0 0 0 0 0 0 1 1
Total # of neighbors = 159
Ave neighs/atom = 1.59
Neighbor list builds = 310
Dangerous builds = 0
region container delete
variable theta equal (step-5000)*(4.0*PI/5000)
region container block -6 6 -6 6 -6 6 units box rotate v_theta 0 0 0 0 0 1
run 5000
Per MPI rank memory allocation (min/avg/max) = 5.733 | 5.733 | 5.734 Mbytes
Step Atoms Temp c_1 c_2 Press
5000 100 0.00031290399 0.00031290399 0.00042398478 4.4282259e-05
5100 100 0.62661084 0.62661084 0.33840611 0.012020153
5200 100 0.67371678 0.67371678 0.36218522 0.0093514044
5300 100 0.75892331 0.75892331 0.4000747 0.010693252
5400 100 0.86207426 0.86207426 0.44630388 0.013540097
5500 100 0.96205334 0.96205334 0.49432848 0.017375079
5600 100 1.0261194 1.0261194 0.52203912 0.016045333
5700 100 1.0584366 1.0584366 0.53794336 0.018621676
5800 100 1.0881674 1.0881674 0.55300469 0.01930602
5900 100 1.1214233 1.1214233 0.56613492 0.021141141
6000 100 1.1666836 1.1666836 0.58759377 0.017655361
6100 100 1.1785775 1.1785775 0.59365148 0.01829443
6200 100 1.2092305 1.2092305 0.60798809 0.018752443
6300 100 1.2331787 1.2331787 0.62003386 0.020291021
6400 100 1.2561616 1.2561616 0.63143643 0.019899235
6500 100 1.284432 1.284432 0.6460504 0.02083284
6600 100 1.2678801 1.2678801 0.63882384 0.019456553
6700 100 1.2662641 1.2662641 0.63676836 0.020235578
6800 100 1.2785484 1.2785484 0.64129093 0.020335162
6900 100 1.2916608 1.2916608 0.64764298 0.020154225
7000 100 1.2907774 1.2907774 0.64724849 0.020550885
7100 100 1.3074473 1.3074473 0.65460147 0.020847362
7200 100 1.3124592 1.3124592 0.65641332 0.020897348
7300 100 1.3206191 1.3206191 0.66011491 0.021444077
7400 100 1.3273988 1.3273988 0.66350669 0.02129418
7500 100 1.3343911 1.3343911 0.66707269 0.021337376
7600 100 1.3368998 1.3368998 0.66869327 0.021415901
7700 100 1.330658 1.330658 0.66535295 0.021500761
7800 100 1.330801 1.330801 0.66555123 0.022806058
7900 100 1.3392828 1.3392828 0.66926796 0.02194009
8000 100 1.3432728 1.3432728 0.67142337 0.022393719
8100 100 1.3411612 1.3411612 0.66989302 0.022366895
8200 100 1.3427451 1.3427451 0.67054285 0.021966329
8300 100 1.3418147 1.3418147 0.67023132 0.022513459
8400 100 1.346493 1.346493 0.67247837 0.022705366
8500 100 1.3513958 1.3513958 0.6749092 0.022834077
8600 100 1.3520297 1.3520297 0.67506261 0.023227676
8700 100 1.3517157 1.3517157 0.67485073 0.023043414
8800 100 1.3530071 1.3530071 0.67547212 0.022933766
8900 100 1.3550454 1.3550454 0.67657277 0.022744182
9000 100 1.3554069 1.3554069 0.67673505 0.022802134
9100 100 1.3556675 1.3556675 0.67698335 0.022868449
9200 100 1.3534709 1.3534709 0.67600677 0.022537792
9300 100 1.3525103 1.3525103 0.67569499 0.022687849
9400 100 1.3612673 1.3612673 0.67967213 0.022703588
9500 100 1.3649439 1.3649439 0.68147385 0.023498539
9600 100 1.3629376 1.3629376 0.68063814 0.023515579
9700 100 1.3648924 1.3648924 0.68137104 0.023641856
9800 100 1.3662063 1.3662063 0.68196538 0.023576884
9900 100 1.3689695 1.3689695 0.68326751 0.023572622
10000 100 1.3701139 1.3701139 0.68383343 0.023720885
Loop time of 0.174251 on 4 procs for 5000 steps with 100 atoms
Performance: 12395939.906 tau/day, 28694.305 timesteps/s
96.5% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.0024631 | 0.010709 | 0.020461 | 8.0 | 6.15
Neigh | 0.0078361 | 0.012368 | 0.016955 | 4.0 | 7.10
Comm | 0.0059071 | 0.013641 | 0.023547 | 6.6 | 7.83
Output | 0.0011749 | 0.0021775 | 0.0030091 | 1.4 | 1.25
Modify | 0.015055 | 0.055709 | 0.097013 | 17.2 | 31.97
Other | | 0.07965 | | | 45.71
Nlocal: 25 ave 51 max 0 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Nghost: 4.5 ave 10 max 0 min
Histogram: 2 0 0 0 0 0 0 0 1 1
Neighs: 49.25 ave 101 max 0 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Total # of neighbors = 197
Ave neighs/atom = 1.97
Neighbor list builds = 627
Dangerous builds = 0
region container delete
region container block -6 6 -6 6 -6 6 units box
run 5000
Per MPI rank memory allocation (min/avg/max) = 5.733 | 5.733 | 5.734 Mbytes
Step Atoms Temp c_1 c_2 Press
10000 100 1.3701139 1.3701139 0.68383343 0.023895921
10100 100 0.25960098 0.25960098 0.15183967 0.0049554084
10200 100 0.15017576 0.15017576 0.10081112 0.0045433238
10300 100 0.10129671 0.10129671 0.078049099 0.0014012658
10400 100 0.06742425 0.06742425 0.055603816 0.0010184792
10500 100 0.053446366 0.053446366 0.045338293 0.00089291689
10600 100 0.041898231 0.041898231 0.036081995 0.00060703885
10700 100 0.03580041 0.03580041 0.031118724 0.00067731964
10800 100 0.030933755 0.030933755 0.026372348 0.00039362325
10900 100 0.027278004 0.027278004 0.022868898 0.0003680788
11000 100 0.021566952 0.021566952 0.017994879 0.0013056062
11100 100 0.019143625 0.019143625 0.015833865 0.00050998112
11200 100 0.015659868 0.015659868 0.013119379 0.00012755696
11300 100 0.013554605 0.013554605 0.01147808 0.00027393437
11400 100 0.01204033 0.01204033 0.010273026 0.00033430792
11500 100 0.010958991 0.010958991 0.0093924566 0.00049023273
11600 100 0.01012553 0.01012553 0.0084556996 0.00021457333
11700 100 0.0083584131 0.0083584131 0.0071118766 7.7149089e-05
11800 100 0.007044883 0.007044883 0.0058675523 0.00036165381
11900 100 0.0059875106 0.0059875106 0.0050610372 7.4095443e-05
12000 100 0.0045180275 0.0045180275 0.0039006565 0.00014607704
12100 100 0.0036631356 0.0036631356 0.0031154279 7.031064e-05
12200 100 0.0034443424 0.0034443424 0.0029190637 0.00020974475
12300 100 0.0030853504 0.0030853504 0.0026315266 3.4873541e-05
12400 100 0.0025451749 0.0025451749 0.0022290833 0.00041551536
12500 100 0.0021624857 0.0021624857 0.0019127734 2.6760761e-05
12600 100 0.0020637862 0.0020637862 0.0018186641 4.9446655e-05
12700 100 0.0019889538 0.0019889538 0.0017604689 3.326943e-05
12800 100 0.0018706349 0.0018706349 0.0016669237 2.3327318e-05
12900 100 0.0017472824 0.0017472824 0.001579469 8.816765e-05
13000 100 0.0016034824 0.0016034824 0.0014549852 3.5407524e-05
13100 100 0.00151798 0.00151798 0.0013826659 1.8754149e-05
13200 100 0.0013049781 0.0013049781 0.0012137907 0.00015263775
13300 100 0.0012270536 0.0012270536 0.0011590841 4.77636e-06
13400 100 0.0011395128 0.0011395128 0.0010860297 2.5606328e-05
13500 100 0.0010858414 0.0010858414 0.0010486713 5.8563931e-05
13600 100 0.0010474389 0.0010474389 0.001015904 1.4319658e-05
13700 100 0.00099241549 0.00099241549 0.00097825038 1.2281142e-05
13800 100 0.00084449252 0.00084449252 0.00084141963 1.0451215e-05
13900 100 0.00084004792 0.00084004792 0.00083755495 3.7174162e-05
14000 100 0.00082183505 0.00082183505 0.00082027058 1.0170209e-05
14100 100 0.00082377076 0.00082377076 0.00080489795 1.181976e-05
14200 100 0.00076903208 0.00076903208 0.00076216608 4.4590341e-05
14300 100 0.00075173269 0.00075173269 0.00074828209 2.2134371e-05
14400 100 0.00074379148 0.00074379148 0.00074072001 1.5746014e-05
14500 100 0.00072454029 0.00072454029 0.0007174429 8.9830398e-06
14600 100 0.00072372648 0.00072372648 0.00071678769 9.1111512e-06
14700 100 0.00071541587 0.00071541587 0.00070893868 7.8446375e-05
14800 100 0.0006820307 0.0006820307 0.00066675502 8.4401299e-06
14900 100 0.00067050627 0.00067050627 0.00065751846 0.0001228548
15000 100 0.00064977132 0.00064977132 0.00062305247 7.8887775e-06
Loop time of 0.0746691 on 4 procs for 5000 steps with 100 atoms
Performance: 28927619.905 tau/day, 66962.083 timesteps/s
96.6% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.0021737 | 0.0042608 | 0.0063519 | 3.2 | 5.71
Neigh | 0.0012126 | 0.0019009 | 0.0026193 | 1.6 | 2.55
Comm | 0.0023425 | 0.0092477 | 0.016876 | 7.2 | 12.38
Output | 0.0010619 | 0.0017995 | 0.0030522 | 1.8 | 2.41
Modify | 0.00097013 | 0.017151 | 0.03415 | 12.3 | 22.97
Other | | 0.04031 | | | 53.98
Nlocal: 25 ave 55 max 0 min
Histogram: 2 0 0 0 0 0 0 0 1 1
Nghost: 3.75 ave 9 max 0 min
Histogram: 2 0 0 0 0 0 1 0 0 1
Neighs: 42.5 ave 88 max 0 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Total # of neighbors = 170
Ave neighs/atom = 1.7
Neighbor list builds = 97
Dangerous builds = 0
region container delete
variable theta equal (step-15000)*(4.0*PI/5000)
region container block -6 6 -6 6 -6 6 units box rotate v_theta 0 0 0 1 1 1
run 5000
Per MPI rank memory allocation (min/avg/max) = 5.733 | 5.733 | 5.734 Mbytes
Step Atoms Temp c_1 c_2 Press
15000 100 0.00064977132 0.00064977132 0.00062305247 7.9405607e-06
15100 100 1.0123899 1.0123899 0.66185504 0.014587215
15200 100 1.0332828 1.0332828 0.67443308 0.014002815
15300 100 1.0804076 1.0804076 0.72450056 0.016985272
15400 100 1.2868163 1.2868163 0.8708132 0.022190597
15500 100 1.5180471 1.5180471 0.99613124 0.026761866
15600 100 1.5422016 1.5422016 1.0021746 0.024490139
15700 100 1.7142241 1.7142241 1.0611146 0.0301368
15800 100 1.8747057 1.8747057 1.1207858 0.027612699
15900 100 1.9294819 1.9294819 1.1289025 0.027270228
16000 100 1.953275 1.953275 1.1264475 0.031568811
16100 100 2.0434228 2.0434228 1.1665365 0.026358952
16200 100 2.2129393 2.2129393 1.2448327 0.029613382
16300 100 2.2558224 2.2558224 1.2373264 0.028306021
16400 100 2.367398 2.367398 1.293448 0.029659303
16500 100 2.4221549 2.4221549 1.3198966 0.032541712
16600 100 2.510283 2.510283 1.3618001 0.034740544
16700 100 2.6776293 2.6776293 1.4508262 0.034556341
16800 100 2.8095841 2.8095841 1.5190571 0.035183782
16900 100 2.8485646 2.8485646 1.5344387 0.037153336
17000 100 3.0298285 3.0298285 1.6321623 0.040745906
17100 100 3.0218054 3.0218054 1.6187189 0.042082135
17200 100 3.1981705 3.1981705 1.7090597 0.041770208
17300 100 3.3178559 3.3178559 1.7723201 0.044604756
17400 100 3.3940903 3.3940903 1.8229846 0.049231759
17500 100 3.3274817 3.3274817 1.7870996 0.051649102
17600 100 3.3204358 3.3204358 1.791527 0.043875639
17700 100 3.2185649 3.2185649 1.7480866 0.049941218
17800 100 3.2507826 3.2507826 1.7727758 0.048622479
17900 100 3.2432767 3.2432767 1.7796296 0.044343902
18000 100 3.0841272 3.0841272 1.6978832 0.045344433
18100 100 3.0953909 3.0953909 1.699898 0.040070963
18200 100 3.1405704 3.1405704 1.7316463 0.042528194
18300 100 3.1904871 3.1904871 1.7555188 0.041141165
18400 100 3.3256779 3.3256779 1.8243767 0.043908318
18500 100 3.5161823 3.5161823 1.9150861 0.045165166
18600 100 3.5668273 3.5668273 1.9217975 0.048127705
18700 100 3.6648305 3.6648305 1.9685241 0.051205352
18800 100 3.9000502 3.9000502 2.0886668 0.05262835
18900 100 4.0217758 4.0217758 2.1465498 0.054502839
19000 100 3.8431174 3.8431174 2.0581611 0.054852333
19100 100 4.1721454 4.1721454 2.2221193 0.053831555
19200 100 3.9061181 3.9061181 2.096323 0.058077678
19300 100 4.0191085 4.0191085 2.1408069 0.05475437
19400 100 3.8840871 3.8840871 2.0887677 0.061905092
19500 100 3.8388062 3.8388062 2.0567095 0.051076414
19600 100 3.6331742 3.6331742 1.9574769 0.04748008
19700 100 3.6996954 3.6996954 1.9887285 0.053305043
19800 100 3.8649872 3.8649872 2.0827424 0.060484008
19900 100 3.8305733 3.8305733 2.0700281 0.052926584
20000 100 3.7948463 3.7948463 2.0657301 0.048516953
Loop time of 0.156359 on 4 procs for 5000 steps with 100 atoms
Performance: 13814330.011 tau/day, 31977.616 timesteps/s
94.9% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.0040646 | 0.0058124 | 0.0074518 | 1.6 | 3.72
Neigh | 0.014813 | 0.018389 | 0.020829 | 1.6 | 11.76
Comm | 0.031892 | 0.034103 | 0.036658 | 1.0 | 21.81
Output | 0.0013497 | 0.0019822 | 0.003484 | 2.0 | 1.27
Modify | 0.031006 | 0.046878 | 0.056364 | 4.5 | 29.98
Other | | 0.0492 | | | 31.46
Nlocal: 25 ave 37 max 10 min
Histogram: 1 0 0 0 0 1 0 1 0 1
Nghost: 3.75 ave 6 max 2 min
Histogram: 1 0 1 0 0 1 0 0 0 1
Neighs: 36.25 ave 57 max 9 min
Histogram: 1 0 0 0 0 0 2 0 0 1
Total # of neighbors = 145
Ave neighs/atom = 1.45
Neighbor list builds = 921
Dangerous builds = 0
region container delete
region container block -6 6 -6 6 -6 6 units box
run 5000
Per MPI rank memory allocation (min/avg/max) = 5.733 | 5.734 | 5.734 Mbytes
Step Atoms Temp c_1 c_2 Press
20000 100 3.7948463 3.7948463 2.0657301 0.048381317
20100 100 1.1359931 1.1359931 0.70170151 0.015300556
20200 100 0.87354617 0.87354617 0.55969299 0.012181983
20300 100 0.84424484 0.84424484 0.52849351 0.017724782
20400 100 0.82422562 0.82422562 0.50175766 0.0098154181
20500 100 0.83731289 0.83731289 0.49814627 0.010465327
20600 100 0.93125924 0.93125924 0.53803834 0.011624902
20700 100 1.0810919 1.0810919 0.60974741 0.01425935
20800 100 1.0646343 1.0646343 0.60037545 0.013418132
20900 100 1.0608055 1.0608055 0.58353908 0.015119612
21000 100 0.68173094 0.68173094 0.3941588 0.0099947535
21100 100 0.35407592 0.35407592 0.21306735 0.0043859494
21200 100 0.19247432 0.19247432 0.12989264 0.0031808422
21300 100 0.13493768 0.13493768 0.093987634 0.0025990872
21400 100 0.085735857 0.085735857 0.062091707 0.001434207
21500 100 0.074307566 0.074307566 0.05224051 0.0022163094
21600 100 0.069932382 0.069932382 0.045388838 0.0020296572
21700 100 0.041749712 0.041749712 0.031422931 0.001211155
21800 100 0.03378055 0.03378055 0.026248846 0.0020596463
21900 100 0.030608528 0.030608528 0.022868294 0.0016282878
22000 100 0.025632448 0.025632448 0.019606402 0.0011659657
22100 100 0.013785062 0.013785062 0.011561769 0.00069006322
22200 100 0.013139066 0.013139066 0.010559726 0.00038424576
22300 100 0.01455318 0.01455318 0.011094558 0.00054735929
22400 100 0.0096885414 0.0096885414 0.008012617 0.00055875777
22500 100 0.0081193116 0.0081193116 0.006802973 0.00052914932
22600 100 0.0057159621 0.0057159621 0.0048680253 0.00054864875
22700 100 0.0052344376 0.0052344376 0.0045511708 0.00026333033
22800 100 0.0054554177 0.0054554177 0.0045005479 0.0002085972
22900 100 0.0039455776 0.0039455776 0.0035287888 0.00022514017
23000 100 0.0042620461 0.0042620461 0.0035747729 0.00020030999
23100 100 0.0035303095 0.0035303095 0.0031995108 0.00016007298
23200 100 0.0029747457 0.0029747457 0.0027095904 0.00029775807
23300 100 0.0032404433 0.0032404433 0.002769389 0.00019627995
23400 100 0.0024965262 0.0024965262 0.0022343473 0.00018870133
23500 100 0.00251617 0.00251617 0.0022533604 0.0002661237
23600 100 0.0025923653 0.0025923653 0.0022887204 0.00018475201
23700 100 0.0023016545 0.0023016545 0.0019829032 0.00014888334
23800 100 0.0028358441 0.0028358441 0.0021790504 0.00064613131
23900 100 0.0016682403 0.0016682403 0.0014930521 8.8407075e-05
24000 100 0.0016341577 0.0016341577 0.0014597606 0.00011262081
24100 100 0.0015433636 0.0015433636 0.0013981581 8.364568e-05
24200 100 0.0015033978 0.0015033978 0.0013582013 8.4539006e-05
24300 100 0.0014513098 0.0014513098 0.0012943981 0.00010546194
24400 100 0.0013293352 0.0013293352 0.001206366 8.4967509e-05
24500 100 0.0013732518 0.0013732518 0.001202532 0.00014787559
24600 100 0.00091890041 0.00091890041 0.00084499923 0.00010080638
24700 100 0.00083467915 0.00083467915 0.00077071316 5.3934025e-05
24800 100 0.00080701934 0.00080701934 0.0007477161 5.3982095e-05
24900 100 0.00080620771 0.00080620771 0.0007471026 5.3581294e-05
25000 100 0.00080568604 0.00080568604 0.00074625735 5.3574637e-05
Loop time of 0.0792506 on 4 procs for 5000 steps with 100 atoms
Performance: 27255302.560 tau/day, 63090.978 timesteps/s
95.0% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.0023611 | 0.0047854 | 0.0077851 | 3.4 | 6.04
Neigh | 0.0042653 | 0.005571 | 0.0067258 | 1.5 | 7.03
Comm | 0.0077977 | 0.013373 | 0.019515 | 4.4 | 16.87
Output | 0.0010924 | 0.0017727 | 0.0030222 | 1.8 | 2.24
Modify | 0.0023608 | 0.015964 | 0.030545 | 10.5 | 20.14
Other | | 0.03778 | | | 47.68
Nlocal: 25 ave 50 max 0 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Nghost: 5 ave 10 max 0 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Neighs: 35.75 ave 78 max 0 min
Histogram: 2 0 0 0 0 0 0 0 1 1
Total # of neighbors = 143
Ave neighs/atom = 1.43
Neighbor list builds = 287
Dangerous builds = 0
Total wall time: 0:00:00

View File

@ -1,601 +0,0 @@
LAMMPS (27 Nov 2018)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:87)
using 1 OpenMP thread(s) per MPI task
# pour particles into cone-shaped funnel, settle them, let them run out bottom
variable name string funnel_pour
thermo_modify flush yes
units si
variable PI equal 3.141592653589
variable seed equal 14314
###############################################
# Geometry-related parameters
###############################################
variable xlo equal 10
variable xhi equal 40
variable ylo equal 10
variable yhi equal 40
variable zlo equal -20
variable zhi equal 50
variable xc equal 25
variable yc equal 25
variable zconehi equal 50
variable zconelo equal 10
variable zcyllo equal 0
variable radconelo equal 2
variable radconehi equal 20
################################################
# Particle sizes
################################################
variable rlo equal 0.25
variable rhi equal 0.5
variable dlo equal 2.0*${rlo}
variable dlo equal 2.0*0.25
variable dhi equal 2.0*${rhi}
variable dhi equal 2.0*0.5
variable skin equal ${rhi}
variable skin equal 0.5
###############################################
# Granular contact parameters
###############################################
variable coeffRes equal 0.1
variable coeffFric equal 0.5
variable density equal 1.0
variable EYoung equal 10^5
variable Poisson equal 2.0/7.0
variable GShear equal ${EYoung}/(2*(1+${Poisson}))
variable GShear equal 100000/(2*(1+${Poisson}))
variable GShear equal 100000/(2*(1+0.285714285714286))
variable gravity equal 1.0
variable reff equal 0.5*(${rhi}+${rlo})
variable reff equal 0.5*(0.5+${rlo})
variable reff equal 0.5*(0.5+0.25)
variable meff equal ${density}*4.0/3.0*${PI}*${reff}^3
variable meff equal 1*4.0/3.0*${PI}*${reff}^3
variable meff equal 1*4.0/3.0*3.141592653589*${reff}^3
variable meff equal 1*4.0/3.0*3.141592653589*0.375^3
variable min_mass equal ${density}*4.0/3.0*${PI}*${rlo}*${rlo}*${rlo}
variable min_mass equal 1*4.0/3.0*${PI}*${rlo}*${rlo}*${rlo}
variable min_mass equal 1*4.0/3.0*3.141592653589*${rlo}*${rlo}*${rlo}
variable min_mass equal 1*4.0/3.0*3.141592653589*0.25*${rlo}*${rlo}
variable min_mass equal 1*4.0/3.0*3.141592653589*0.25*0.25*${rlo}
variable min_mass equal 1*4.0/3.0*3.141592653589*0.25*0.25*0.25
variable max_mass equal ${density}*4.0/3.0*${PI}*${rhi}*${rhi}*${rhi}
variable max_mass equal 1*4.0/3.0*${PI}*${rhi}*${rhi}*${rhi}
variable max_mass equal 1*4.0/3.0*3.141592653589*${rhi}*${rhi}*${rhi}
variable max_mass equal 1*4.0/3.0*3.141592653589*0.5*${rhi}*${rhi}
variable max_mass equal 1*4.0/3.0*3.141592653589*0.5*0.5*${rhi}
variable max_mass equal 1*4.0/3.0*3.141592653589*0.5*0.5*0.5
## Typical way to set kn, kt, etc.:
variable kn equal 4.0*${GShear}/(3*(1-${Poisson}))
variable kn equal 4.0*38888.8888888889/(3*(1-${Poisson}))
variable kn equal 4.0*38888.8888888889/(3*(1-0.285714285714286))
variable kt equal 4.0*${GShear}/(2-${Poisson})
variable kt equal 4.0*38888.8888888889/(2-${Poisson})
variable kt equal 4.0*38888.8888888889/(2-0.285714285714286)
variable a equal (-2.0*log(${coeffRes})/${PI})^2
variable a equal (-2.0*log(0.1)/${PI})^2
variable a equal (-2.0*log(0.1)/3.141592653589)^2
variable gamma_n equal sqrt($a*2*${kn}/${min_mass}/(1+0.25*$a))
variable gamma_n equal sqrt(0.405284734569556*2*${kn}/${min_mass}/(1+0.25*$a))
variable gamma_n equal sqrt(0.405284734569556*2*72592.5925925926/${min_mass}/(1+0.25*$a))
variable gamma_n equal sqrt(0.405284734569556*2*72592.5925925926/0.0654498469497708/(1+0.25*$a))
variable gamma_n equal sqrt(0.405284734569556*2*72592.5925925926/0.0654498469497708/(1+0.25*0.405284734569556))
variable gamma_t equal ${gamma_n}*0.5
variable gamma_t equal 903.503751814138*0.5
variable tcol equal ${PI}/sqrt(2*${kn}/${min_mass}-${gamma_n}/4.0)
variable tcol equal 3.141592653589/sqrt(2*${kn}/${min_mass}-${gamma_n}/4.0)
variable tcol equal 3.141592653589/sqrt(2*72592.5925925926/${min_mass}-${gamma_n}/4.0)
variable tcol equal 3.141592653589/sqrt(2*72592.5925925926/0.0654498469497708-${gamma_n}/4.0)
variable tcol equal 3.141592653589/sqrt(2*72592.5925925926/0.0654498469497708-903.503751814138/4.0)
variable dt equal ${tcol}*0.05
variable dt equal 0.00210943016014969*0.05
timestep ${dt}
timestep 0.000105471508007485
###############################################
variable dumpfreq equal 1000
variable logfreq equal 1000
newton off
atom_style sphere
boundary p p f
region boxreg block ${xlo} ${xhi} ${ylo} ${yhi} ${zlo} ${zhi}
region boxreg block 10 ${xhi} ${ylo} ${yhi} ${zlo} ${zhi}
region boxreg block 10 40 ${ylo} ${yhi} ${zlo} ${zhi}
region boxreg block 10 40 10 ${yhi} ${zlo} ${zhi}
region boxreg block 10 40 10 40 ${zlo} ${zhi}
region boxreg block 10 40 10 40 -20 ${zhi}
region boxreg block 10 40 10 40 -20 50
create_box 1 boxreg
Created orthogonal box = (10 10 -20) to (40 40 50)
1 by 1 by 1 MPI processor grid
pair_style gran/hertz/history ${kn} ${kt} ${gamma_n} ${gamma_t} ${coeffFric} 1
pair_style gran/hertz/history 72592.5925925926 ${kt} ${gamma_n} ${gamma_t} ${coeffFric} 1
pair_style gran/hertz/history 72592.5925925926 90740.7407407408 ${gamma_n} ${gamma_t} ${coeffFric} 1
pair_style gran/hertz/history 72592.5925925926 90740.7407407408 903.503751814138 ${gamma_t} ${coeffFric} 1
pair_style gran/hertz/history 72592.5925925926 90740.7407407408 903.503751814138 451.751875907069 ${coeffFric} 1
pair_style gran/hertz/history 72592.5925925926 90740.7407407408 903.503751814138 451.751875907069 0.5 1
pair_coeff * *
neighbor ${skin} bin
neighbor 0.5 bin
thermo ${logfreq}
thermo 1000
comm_style brick
comm_modify mode multi group all vel yes
balance 1.1 shift xyz 20 1.1
Neighbor list info ...
update every 1 steps, delay 10 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 0
ghost atom cutoff = 0
binsize = 30, bins = 1 1 3
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair gran/hertz/history, perpetual
attributes: half, newton off, size, history
pair build: half/size/bin/newtoff
stencil: half/bin/3d/newtoff
bin: standard
fix bal all balance 10000 1.1 shift xyz 20 1.01
####################### Options specific to pouring #########################
# insertion region for fix/pour
region insreg cylinder z ${xc} ${yc} 10 30 50 side in units box
region insreg cylinder z 25 ${yc} 10 30 50 side in units box
region insreg cylinder z 25 25 10 30 50 side in units box
# define cone and cylinder regions - see lammps doc on region command
# note new open options
region cylreg cylinder z ${xc} ${yc} ${radconelo} ${zcyllo} ${zconelo} side in units box open 2 #Top is open
region cylreg cylinder z 25 ${yc} ${radconelo} ${zcyllo} ${zconelo} side in units box open 2
region cylreg cylinder z 25 25 ${radconelo} ${zcyllo} ${zconelo} side in units box open 2
region cylreg cylinder z 25 25 2 ${zcyllo} ${zconelo} side in units box open 2
region cylreg cylinder z 25 25 2 0 ${zconelo} side in units box open 2
region cylreg cylinder z 25 25 2 0 10 side in units box open 2
region conereg cone z ${xc} ${yc} ${radconelo} ${radconehi} ${zconelo} ${zconehi} side in units box open 1 open 2 #Bottom and top are open
region conereg cone z 25 ${yc} ${radconelo} ${radconehi} ${zconelo} ${zconehi} side in units box open 1 open 2
region conereg cone z 25 25 ${radconelo} ${radconehi} ${zconelo} ${zconehi} side in units box open 1 open 2
region conereg cone z 25 25 2 ${radconehi} ${zconelo} ${zconehi} side in units box open 1 open 2
region conereg cone z 25 25 2 20 ${zconelo} ${zconehi} side in units box open 1 open 2
region conereg cone z 25 25 2 20 10 ${zconehi} side in units box open 1 open 2
region conereg cone z 25 25 2 20 10 50 side in units box open 1 open 2
region hopreg union 2 conereg cylreg
fix grav all gravity ${gravity} vector 0 0 -1
fix grav all gravity 1 vector 0 0 -1
fix 1 all nve/sphere
fix hopper3 all wall/gran/region hertz/history ${kn} ${kt} ${gamma_n} ${gamma_t} ${coeffFric} 1 region hopreg
fix hopper3 all wall/gran/region hertz/history 72592.5925925926 ${kt} ${gamma_n} ${gamma_t} ${coeffFric} 1 region hopreg
fix hopper3 all wall/gran/region hertz/history 72592.5925925926 90740.7407407408 ${gamma_n} ${gamma_t} ${coeffFric} 1 region hopreg
fix hopper3 all wall/gran/region hertz/history 72592.5925925926 90740.7407407408 903.503751814138 ${gamma_t} ${coeffFric} 1 region hopreg
fix hopper3 all wall/gran/region hertz/history 72592.5925925926 90740.7407407408 903.503751814138 451.751875907069 ${coeffFric} 1 region hopreg
fix hopper3 all wall/gran/region hertz/history 72592.5925925926 90740.7407407408 903.503751814138 451.751875907069 0.5 1 region hopreg
fix ins all pour 2000 1 42424 region insreg diam range ${dlo} ${dhi} dens ${density} ${density}
fix ins all pour 2000 1 42424 region insreg diam range 0.5 ${dhi} dens ${density} ${density}
fix ins all pour 2000 1 42424 region insreg diam range 0.5 1 dens ${density} ${density}
fix ins all pour 2000 1 42424 region insreg diam range 0.5 1 dens 1 ${density}
fix ins all pour 2000 1 42424 region insreg diam range 0.5 1 dens 1 1
Particle insertion: 3000 every 59965 steps, 2000 by step 1
#dump 1 all custom ${dumpfreq} ${name}.dump # id type mass diameter x y z
#dump 2 all image 4000 image.*.jpg type type # axes yes 0.8 0.02 view 60 -30 zoom 3.0 # box no 0.0 axes no 0.0 0.0
#dump_modify 2 pad 6
thermo_style custom step cpu atoms ke
WARNING: New thermo_style command, previous thermo_modify settings will be lost (src/output.cpp:705)
thermo_modify flush yes lost warn
# Initial run to fill up the cone
run 20000
Per MPI rank memory allocation (min/avg/max) = 6.649 | 6.649 | 6.649 Mbytes
Step CPU Atoms KinEng
0 0 0 -0
1000 0.63593698 2000 -0
2000 1.0282419 2000 -0
3000 1.4184453 2000 -0
4000 1.8055785 2000 -0
5000 2.1941335 2000 -0
6000 2.5804653 2000 -0
7000 2.9660621 2000 -0
8000 3.3506265 2000 -0
9000 3.7344413 2000 -0
10000 4.1212304 2000 -0
11000 4.5044594 2000 -0
12000 4.8875456 2000 -0
13000 5.2698007 2000 -0
14000 5.6527214 2000 -0
15000 6.0349295 2000 -0
16000 6.4172938 2000 -0
17000 6.8001184 2000 -0
18000 7.1826644 2000 -0
19000 7.5654378 2000 -0
20000 7.9511659 2000 -0
Loop time of 7.95118 on 1 procs for 20000 steps with 2000 atoms
99.8% CPU use with 1 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.6189 | 0.6189 | 0.6189 | 0.0 | 7.78
Neigh | 0.09361 | 0.09361 | 0.09361 | 0.0 | 1.18
Comm | 0.016098 | 0.016098 | 0.016098 | 0.0 | 0.20
Output | 0.00048828 | 0.00048828 | 0.00048828 | 0.0 | 0.01
Modify | 6.9973 | 6.9973 | 6.9973 | 0.0 | 88.00
Other | | 0.2248 | | | 2.83
Nlocal: 2000 ave 2000 max 2000 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: 1537 ave 1537 max 1537 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 1537
Ave neighs/atom = 0.7685
Neighbor list builds = 69
Dangerous builds = 0
unfix ins
run 150000
Per MPI rank memory allocation (min/avg/max) = 12.77 | 12.77 | 12.77 Mbytes
Step CPU Atoms KinEng
20000 0 2000 6443.7665
21000 0.3826313 2000 6572.3531
22000 0.76688981 2000 6723.8376
23000 1.1534231 2000 6853.1812
24000 1.5391715 2000 6976.0209
25000 1.9263508 2000 7096.9955
26000 2.3168406 2000 7215.5795
27000 2.7065961 2000 7349.2382
28000 3.096664 2000 7471.8719
29000 3.4905531 2000 7574.8228
30000 3.8877606 2000 7659.3836
31000 4.2839894 2000 7703.6856
32000 4.6859732 2000 7644.279
33000 5.0932801 2000 7526.6944
34000 5.5045564 2000 7370.0821
35000 5.9206297 2000 7193.0457
36000 6.343729 2000 6990.9899
37000 6.7719142 2000 6849.2841
38000 7.2016783 2000 6701.7433
39000 7.6354482 2000 6538.9557
40000 8.078445 2000 6381.9346
41000 8.5191586 2000 6217.5253
42000 8.9630713 2000 6093.5344
43000 9.4097741 2000 5943.0479
44000 9.8652256 2000 5841.0782
45000 10.331057 2000 5652.8319
46000 10.803253 2000 5476.1466
47000 11.278766 2000 5267.7855
48000 11.759121 2000 5131.4036
49000 12.248896 2000 4972.7696
50000 12.747719 2000 4867.0868
51000 13.246704 2000 4681.897
52000 13.757842 2000 4506.8185
53000 14.276078 2000 4346.8045
54000 14.795933 2000 4193.8194
55000 15.311241 2000 4058.2049
56000 15.828737 2000 3879.0325
57000 16.359453 2000 3696.3154
58000 16.905406 2000 3504.0399
59000 17.460454 2000 3284.6522
60000 18.027276 2000 3061.0727
61000 18.586931 2000 2874.2926
62000 19.158563 2000 2653.0722
63000 19.738442 2000 2437.4941
64000 20.331411 2000 2124.1876
65000 20.936204 2000 1864.5661
66000 21.547443 2000 1610.2335
67000 22.166888 2000 1390.0428
68000 22.789106 2000 1163.7679
69000 23.416016 2000 933.0928
70000 24.038879 2000 745.66667
71000 24.663115 2000 605.58458
72000 25.294193 2000 444.31183
73000 25.932019 2000 357.19162
74000 26.568184 2000 291.16762
75000 27.203393 2000 230.58362
76000 27.836079 2000 197.59502
77000 28.467344 2000 166.55702
78000 29.099997 2000 139.89052
79000 29.741694 2000 117.1145
80000 30.388097 2000 100.12353
81000 31.036193 2000 85.233155
82000 31.688463 2000 71.145302
83000 32.343411 2000 61.545348
84000 32.999346 2000 54.099358
85000 33.652976 2000 46.922028
86000 34.306931 2000 41.606645
87000 34.967787 2000 37.462793
88000 35.633721 2000 33.698298
89000 36.310035 2000 29.340455
90000 36.995441 2000 26.072122
91000 37.67904 2000 23.20848
92000 38.367699 2000 21.015862
93000 39.058641 2000 20.134175
94000 39.749342 2000 19.196075
95000 40.442651 2000 18.285127
96000 41.140177 2000 17.476411
97000 41.840761 2000 16.55882
98000 42.543845 2000 15.444541
99000 43.256415 2000 14.41642
100000 43.97382 2000 13.818738
101000 44.684596 2000 12.878373
102000 45.401082 2000 12.11804
103000 46.120936 2000 11.016885
104000 46.83935 2000 10.531044
105000 47.559419 2000 10.46735
106000 48.286016 2000 10.246007
107000 49.012266 2000 9.6423041
108000 49.74013 2000 9.3948808
109000 50.471961 2000 9.5178141
110000 51.206152 2000 9.4143884
111000 51.939123 2000 9.5058226
112000 52.673443 2000 9.6911516
113000 53.410485 2000 9.7756849
114000 54.152537 2000 9.3876232
115000 54.891784 2000 8.6725333
116000 55.631474 2000 8.6691065
117000 56.371762 2000 8.0156055
118000 57.110131 2000 7.9150786
119000 57.8533 2000 7.5310892
120000 58.599064 2000 7.2940498
121000 59.340753 2000 6.8347898
122000 60.084676 2000 6.696484
123000 60.826952 2000 6.7799146
124000 61.569413 2000 6.7901567
125000 62.316334 2000 6.7532108
126000 63.061374 2000 6.762162
127000 63.806385 2000 6.6317366
128000 64.555969 2000 6.8246399
129000 65.308131 2000 6.9130358
130000 66.060967 2000 7.1750566
131000 66.809725 2000 6.9507379
132000 67.559796 2000 6.7987445
133000 68.314249 2000 6.8535775
134000 69.065513 2000 7.0255144
135000 69.817604 2000 6.7381064
136000 70.572079 2000 6.5567748
137000 71.324444 2000 6.2655395
138000 72.079147 2000 6.1923013
139000 72.831323 2000 6.0958081
140000 73.59117 2000 5.9185709
141000 74.343753 2000 5.9151241
142000 75.096509 2000 5.4743035
143000 75.852151 2000 5.438642
144000 76.605005 2000 4.6646664
145000 77.357571 2000 4.6899837
146000 78.113125 2000 4.5357917
147000 78.867751 2000 4.5993842
148000 79.625344 2000 4.7076884
149000 80.37992 2000 4.8306642
150000 81.143175 2000 4.8282147
151000 81.899326 2000 4.546308
152000 82.658645 2000 4.6700755
153000 83.41837 2000 4.7557633
154000 84.17509 2000 4.9004538
155000 84.934161 2000 5.0552949
156000 85.695466 2000 4.0672495
157000 86.453115 2000 3.5819543
158000 87.212663 2000 3.3533477
159000 87.967768 2000 3.3281001
160000 88.729631 2000 3.0831743
161000 89.498983 2000 3.0519269
162000 90.259424 2000 3.0951675
163000 91.019656 2000 2.9868352
164000 91.776359 2000 2.9195788
165000 92.536374 2000 2.5637813
166000 93.296332 2000 2.5553272
167000 94.05653 2000 2.0752912
168000 94.814559 2000 1.9689845
169000 95.576005 2000 1.9117916
170000 96.337863 2000 1.8568914
Loop time of 96.3379 on 1 procs for 150000 steps with 2000 atoms
99.8% CPU use with 1 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 37.121 | 37.121 | 37.121 | 0.0 | 38.53
Neigh | 0.8454 | 0.8454 | 0.8454 | 0.0 | 0.88
Comm | 0.11506 | 0.11506 | 0.11506 | 0.0 | 0.12
Output | 0.004431 | 0.004431 | 0.004431 | 0.0 | 0.00
Modify | 56.517 | 56.517 | 56.517 | 0.0 | 58.67
Other | | 1.735 | | | 1.80
Nlocal: 2000 ave 2000 max 2000 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: 15524 ave 15524 max 15524 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 15524
Ave neighs/atom = 7.762
Neighbor list builds = 388
Dangerous builds = 0
# remove "plug" - need to redefine cylinder region & union
region cylreg delete
region hopreg delete
region cylreg cylinder z ${xc} ${yc} ${radconelo} ${zcyllo} ${zconelo} side in units box open 1 open 2 #Bottom & top are open
region cylreg cylinder z 25 ${yc} ${radconelo} ${zcyllo} ${zconelo} side in units box open 1 open 2
region cylreg cylinder z 25 25 ${radconelo} ${zcyllo} ${zconelo} side in units box open 1 open 2
region cylreg cylinder z 25 25 2 ${zcyllo} ${zconelo} side in units box open 1 open 2
region cylreg cylinder z 25 25 2 0 ${zconelo} side in units box open 1 open 2
region cylreg cylinder z 25 25 2 0 10 side in units box open 1 open 2
region hopreg union 2 cylreg conereg
unfix hopper3
fix hopper3 all wall/gran/region hertz/history ${kn} ${kt} ${gamma_n} ${gamma_t} ${coeffFric} 1 region hopreg
fix hopper3 all wall/gran/region hertz/history 72592.5925925926 ${kt} ${gamma_n} ${gamma_t} ${coeffFric} 1 region hopreg
fix hopper3 all wall/gran/region hertz/history 72592.5925925926 90740.7407407408 ${gamma_n} ${gamma_t} ${coeffFric} 1 region hopreg
fix hopper3 all wall/gran/region hertz/history 72592.5925925926 90740.7407407408 903.503751814138 ${gamma_t} ${coeffFric} 1 region hopreg
fix hopper3 all wall/gran/region hertz/history 72592.5925925926 90740.7407407408 903.503751814138 451.751875907069 ${coeffFric} 1 region hopreg
fix hopper3 all wall/gran/region hertz/history 72592.5925925926 90740.7407407408 903.503751814138 451.751875907069 0.5 1 region hopreg
run 100000
Per MPI rank memory allocation (min/avg/max) = 18.64 | 18.64 | 18.64 Mbytes
Step CPU Atoms KinEng
170000 0 2000 1.8568914
171000 0.75704765 2000 2.4011583
172000 1.5101345 2000 3.176628
173000 2.2556529 2000 4.5364486
174000 2.9946566 2000 6.5494125
175000 3.7253478 2000 9.1934319
176000 4.4570525 2000 12.25765
177000 5.1876664 2000 15.799657
178000 5.9178619 2000 19.982558
179000 6.6439464 2000 24.927165
180000 7.3749168 2000 30.428362
181000 8.1011977 2000 36.74232
182000 8.8207343 2000 43.820448
183000 9.5397925 2000 50.903222
184000 10.253098 2000 59.425781
185000 10.965505 2000 69.143119
186000 11.673319 2000 79.210705
187000 12.373966 2000 90.411346
188000 13.075475 2000 102.35389
189000 13.770632 2000 114.93888
190000 14.469445 2000 128.63341
191000 15.158381 2000 143.44526
192000 15.846267 2000 159.04574
193000 16.527754 2000 174.3114
194000 17.204808 2000 190.42123
195000 17.881059 2000 207.70459
196000 18.556555 2000 224.90931
197000 19.229818 2000 242.64914
198000 19.905086 2000 261.48312
199000 20.578518 2000 281.28308
200000 21.25632 2000 302.95108
201000 21.921347 2000 325.95534
202000 22.583873 2000 350.6874
203000 23.244724 2000 376.31773
204000 23.904842 2000 404.21947
205000 24.562788 2000 432.96116
206000 25.217762 2000 462.4113
207000 25.875814 2000 491.91207
208000 26.531285 2000 522.15395
209000 27.184766 2000 553.1024
210000 27.842961 2000 585.7133
211000 28.489339 2000 619.96357
212000 29.139612 2000 653.96189
213000 29.783866 2000 689.8027
214000 30.426881 2000 727.28401
215000 31.06706 2000 766.40354
216000 31.706399 2000 805.65433
217000 32.343033 2000 845.40981
218000 32.989384 2000 884.24637
219000 33.633664 2000 923.5998
220000 34.285172 2000 965.01779
221000 34.931959 2000 1009.1763
222000 35.571624 2000 1054.7789
223000 36.207868 2000 1101.9922
224000 36.836062 2000 1151.1205
225000 37.464514 2000 1201.3979
226000 38.09746 2000 1252.4054
227000 38.732507 1999 1296.6784
228000 39.371367 1997 1342.3466
229000 40.012553 1992 1368.8559
230000 40.652111 1977 1360.2259
231000 41.275478 1965 1340.3793
232000 41.892734 1953 1318.8318
233000 42.50588 1938 1295.5667
234000 43.121427 1924 1270.0641
235000 43.740727 1914 1258.296
236000 44.359241 1902 1224.3945
237000 44.979463 1899 1248.3905
238000 45.597358 1885 1206.9229
239000 46.210114 1875 1195.5429
240000 46.818148 1861 1142.6591
241000 47.411079 1851 1131.5523
242000 48.002522 1841 1116.8741
243000 48.594254 1830 1099.9978
244000 49.191798 1822 1078.6068
245000 49.791332 1814 1072.1498
246000 50.389728 1803 1020.7842
247000 50.984212 1794 1000.1936
248000 51.571047 1781 942.02462
249000 52.149428 1772 916.83697
250000 52.726202 1758 825.10751
251000 53.29913 1748 789.06351
252000 53.871912 1739 753.92258
253000 54.441009 1729 697.83686
254000 55.010203 1718 648.98541
255000 55.573602 1710 620.38129
256000 56.134709 1705 622.43466
257000 56.701827 1700 595.79102
258000 57.264463 1698 608.49223
259000 57.827817 1695 614.0119
260000 58.398994 1690 601.50438
261000 58.964611 1687 608.5892
262000 59.526765 1683 597.07884
263000 60.082729 1682 618.65041
264000 60.640105 1678 615.47784
265000 61.195717 1675 605.27658
266000 61.751087 1671 583.69853
267000 62.305546 1669 600.11043
268000 62.86105 1666 598.79807
269000 63.417551 1663 588.40338
270000 63.974486 1660 579.59387
Loop time of 63.9745 on 1 procs for 100000 steps with 1660 atoms
99.8% CPU use with 1 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 26.514 | 26.514 | 26.514 | 0.0 | 41.44
Neigh | 0.60324 | 0.60324 | 0.60324 | 0.0 | 0.94
Comm | 0.075881 | 0.075881 | 0.075881 | 0.0 | 0.12
Output | 0.0029137 | 0.0029137 | 0.0029137 | 0.0 | 0.00
Modify | 35.686 | 35.686 | 35.686 | 0.0 | 55.78
Other | | 1.092 | | | 1.71
Nlocal: 1660 ave 1660 max 1660 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: 11681 ave 11681 max 11681 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 11681
Ave neighs/atom = 7.03675
Neighbor list builds = 249
Dangerous builds = 0
Total wall time: 0:02:48

View File

@ -1,601 +0,0 @@
LAMMPS (27 Nov 2018)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:87)
using 1 OpenMP thread(s) per MPI task
# pour particles into cone-shaped funnel, settle them, let them run out bottom
variable name string funnel_pour
thermo_modify flush yes
units si
variable PI equal 3.141592653589
variable seed equal 14314
###############################################
# Geometry-related parameters
###############################################
variable xlo equal 10
variable xhi equal 40
variable ylo equal 10
variable yhi equal 40
variable zlo equal -20
variable zhi equal 50
variable xc equal 25
variable yc equal 25
variable zconehi equal 50
variable zconelo equal 10
variable zcyllo equal 0
variable radconelo equal 2
variable radconehi equal 20
################################################
# Particle sizes
################################################
variable rlo equal 0.25
variable rhi equal 0.5
variable dlo equal 2.0*${rlo}
variable dlo equal 2.0*0.25
variable dhi equal 2.0*${rhi}
variable dhi equal 2.0*0.5
variable skin equal ${rhi}
variable skin equal 0.5
###############################################
# Granular contact parameters
###############################################
variable coeffRes equal 0.1
variable coeffFric equal 0.5
variable density equal 1.0
variable EYoung equal 10^5
variable Poisson equal 2.0/7.0
variable GShear equal ${EYoung}/(2*(1+${Poisson}))
variable GShear equal 100000/(2*(1+${Poisson}))
variable GShear equal 100000/(2*(1+0.285714285714286))
variable gravity equal 1.0
variable reff equal 0.5*(${rhi}+${rlo})
variable reff equal 0.5*(0.5+${rlo})
variable reff equal 0.5*(0.5+0.25)
variable meff equal ${density}*4.0/3.0*${PI}*${reff}^3
variable meff equal 1*4.0/3.0*${PI}*${reff}^3
variable meff equal 1*4.0/3.0*3.141592653589*${reff}^3
variable meff equal 1*4.0/3.0*3.141592653589*0.375^3
variable min_mass equal ${density}*4.0/3.0*${PI}*${rlo}*${rlo}*${rlo}
variable min_mass equal 1*4.0/3.0*${PI}*${rlo}*${rlo}*${rlo}
variable min_mass equal 1*4.0/3.0*3.141592653589*${rlo}*${rlo}*${rlo}
variable min_mass equal 1*4.0/3.0*3.141592653589*0.25*${rlo}*${rlo}
variable min_mass equal 1*4.0/3.0*3.141592653589*0.25*0.25*${rlo}
variable min_mass equal 1*4.0/3.0*3.141592653589*0.25*0.25*0.25
variable max_mass equal ${density}*4.0/3.0*${PI}*${rhi}*${rhi}*${rhi}
variable max_mass equal 1*4.0/3.0*${PI}*${rhi}*${rhi}*${rhi}
variable max_mass equal 1*4.0/3.0*3.141592653589*${rhi}*${rhi}*${rhi}
variable max_mass equal 1*4.0/3.0*3.141592653589*0.5*${rhi}*${rhi}
variable max_mass equal 1*4.0/3.0*3.141592653589*0.5*0.5*${rhi}
variable max_mass equal 1*4.0/3.0*3.141592653589*0.5*0.5*0.5
## Typical way to set kn, kt, etc.:
variable kn equal 4.0*${GShear}/(3*(1-${Poisson}))
variable kn equal 4.0*38888.8888888889/(3*(1-${Poisson}))
variable kn equal 4.0*38888.8888888889/(3*(1-0.285714285714286))
variable kt equal 4.0*${GShear}/(2-${Poisson})
variable kt equal 4.0*38888.8888888889/(2-${Poisson})
variable kt equal 4.0*38888.8888888889/(2-0.285714285714286)
variable a equal (-2.0*log(${coeffRes})/${PI})^2
variable a equal (-2.0*log(0.1)/${PI})^2
variable a equal (-2.0*log(0.1)/3.141592653589)^2
variable gamma_n equal sqrt($a*2*${kn}/${min_mass}/(1+0.25*$a))
variable gamma_n equal sqrt(0.405284734569556*2*${kn}/${min_mass}/(1+0.25*$a))
variable gamma_n equal sqrt(0.405284734569556*2*72592.5925925926/${min_mass}/(1+0.25*$a))
variable gamma_n equal sqrt(0.405284734569556*2*72592.5925925926/0.0654498469497708/(1+0.25*$a))
variable gamma_n equal sqrt(0.405284734569556*2*72592.5925925926/0.0654498469497708/(1+0.25*0.405284734569556))
variable gamma_t equal ${gamma_n}*0.5
variable gamma_t equal 903.503751814138*0.5
variable tcol equal ${PI}/sqrt(2*${kn}/${min_mass}-${gamma_n}/4.0)
variable tcol equal 3.141592653589/sqrt(2*${kn}/${min_mass}-${gamma_n}/4.0)
variable tcol equal 3.141592653589/sqrt(2*72592.5925925926/${min_mass}-${gamma_n}/4.0)
variable tcol equal 3.141592653589/sqrt(2*72592.5925925926/0.0654498469497708-${gamma_n}/4.0)
variable tcol equal 3.141592653589/sqrt(2*72592.5925925926/0.0654498469497708-903.503751814138/4.0)
variable dt equal ${tcol}*0.05
variable dt equal 0.00210943016014969*0.05
timestep ${dt}
timestep 0.000105471508007485
###############################################
variable dumpfreq equal 1000
variable logfreq equal 1000
newton off
atom_style sphere
boundary p p f
region boxreg block ${xlo} ${xhi} ${ylo} ${yhi} ${zlo} ${zhi}
region boxreg block 10 ${xhi} ${ylo} ${yhi} ${zlo} ${zhi}
region boxreg block 10 40 ${ylo} ${yhi} ${zlo} ${zhi}
region boxreg block 10 40 10 ${yhi} ${zlo} ${zhi}
region boxreg block 10 40 10 40 ${zlo} ${zhi}
region boxreg block 10 40 10 40 -20 ${zhi}
region boxreg block 10 40 10 40 -20 50
create_box 1 boxreg
Created orthogonal box = (10 10 -20) to (40 40 50)
1 by 1 by 4 MPI processor grid
pair_style gran/hertz/history ${kn} ${kt} ${gamma_n} ${gamma_t} ${coeffFric} 1
pair_style gran/hertz/history 72592.5925925926 ${kt} ${gamma_n} ${gamma_t} ${coeffFric} 1
pair_style gran/hertz/history 72592.5925925926 90740.7407407408 ${gamma_n} ${gamma_t} ${coeffFric} 1
pair_style gran/hertz/history 72592.5925925926 90740.7407407408 903.503751814138 ${gamma_t} ${coeffFric} 1
pair_style gran/hertz/history 72592.5925925926 90740.7407407408 903.503751814138 451.751875907069 ${coeffFric} 1
pair_style gran/hertz/history 72592.5925925926 90740.7407407408 903.503751814138 451.751875907069 0.5 1
pair_coeff * *
neighbor ${skin} bin
neighbor 0.5 bin
thermo ${logfreq}
thermo 1000
comm_style brick
comm_modify mode multi group all vel yes
balance 1.1 shift xyz 20 1.1
Neighbor list info ...
update every 1 steps, delay 10 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 0
ghost atom cutoff = 0
binsize = 30, bins = 1 1 3
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair gran/hertz/history, perpetual
attributes: half, newton off, size, history
pair build: half/size/bin/newtoff
stencil: half/bin/3d/newtoff
bin: standard
fix bal all balance 10000 1.1 shift xyz 20 1.01
####################### Options specific to pouring #########################
# insertion region for fix/pour
region insreg cylinder z ${xc} ${yc} 10 30 50 side in units box
region insreg cylinder z 25 ${yc} 10 30 50 side in units box
region insreg cylinder z 25 25 10 30 50 side in units box
# define cone and cylinder regions - see lammps doc on region command
# note new open options
region cylreg cylinder z ${xc} ${yc} ${radconelo} ${zcyllo} ${zconelo} side in units box open 2 #Top is open
region cylreg cylinder z 25 ${yc} ${radconelo} ${zcyllo} ${zconelo} side in units box open 2
region cylreg cylinder z 25 25 ${radconelo} ${zcyllo} ${zconelo} side in units box open 2
region cylreg cylinder z 25 25 2 ${zcyllo} ${zconelo} side in units box open 2
region cylreg cylinder z 25 25 2 0 ${zconelo} side in units box open 2
region cylreg cylinder z 25 25 2 0 10 side in units box open 2
region conereg cone z ${xc} ${yc} ${radconelo} ${radconehi} ${zconelo} ${zconehi} side in units box open 1 open 2 #Bottom and top are open
region conereg cone z 25 ${yc} ${radconelo} ${radconehi} ${zconelo} ${zconehi} side in units box open 1 open 2
region conereg cone z 25 25 ${radconelo} ${radconehi} ${zconelo} ${zconehi} side in units box open 1 open 2
region conereg cone z 25 25 2 ${radconehi} ${zconelo} ${zconehi} side in units box open 1 open 2
region conereg cone z 25 25 2 20 ${zconelo} ${zconehi} side in units box open 1 open 2
region conereg cone z 25 25 2 20 10 ${zconehi} side in units box open 1 open 2
region conereg cone z 25 25 2 20 10 50 side in units box open 1 open 2
region hopreg union 2 conereg cylreg
fix grav all gravity ${gravity} vector 0 0 -1
fix grav all gravity 1 vector 0 0 -1
fix 1 all nve/sphere
fix hopper3 all wall/gran/region hertz/history ${kn} ${kt} ${gamma_n} ${gamma_t} ${coeffFric} 1 region hopreg
fix hopper3 all wall/gran/region hertz/history 72592.5925925926 ${kt} ${gamma_n} ${gamma_t} ${coeffFric} 1 region hopreg
fix hopper3 all wall/gran/region hertz/history 72592.5925925926 90740.7407407408 ${gamma_n} ${gamma_t} ${coeffFric} 1 region hopreg
fix hopper3 all wall/gran/region hertz/history 72592.5925925926 90740.7407407408 903.503751814138 ${gamma_t} ${coeffFric} 1 region hopreg
fix hopper3 all wall/gran/region hertz/history 72592.5925925926 90740.7407407408 903.503751814138 451.751875907069 ${coeffFric} 1 region hopreg
fix hopper3 all wall/gran/region hertz/history 72592.5925925926 90740.7407407408 903.503751814138 451.751875907069 0.5 1 region hopreg
fix ins all pour 2000 1 42424 region insreg diam range ${dlo} ${dhi} dens ${density} ${density}
fix ins all pour 2000 1 42424 region insreg diam range 0.5 ${dhi} dens ${density} ${density}
fix ins all pour 2000 1 42424 region insreg diam range 0.5 1 dens ${density} ${density}
fix ins all pour 2000 1 42424 region insreg diam range 0.5 1 dens 1 ${density}
fix ins all pour 2000 1 42424 region insreg diam range 0.5 1 dens 1 1
Particle insertion: 3000 every 59965 steps, 2000 by step 1
#dump 1 all custom ${dumpfreq} ${name}.dump # id type mass diameter x y z
#dump 2 all image 4000 image.*.jpg type type # axes yes 0.8 0.02 view 60 -30 zoom 3.0 # box no 0.0 axes no 0.0 0.0
#dump_modify 2 pad 6
thermo_style custom step cpu atoms ke
WARNING: New thermo_style command, previous thermo_modify settings will be lost (src/output.cpp:705)
thermo_modify flush yes lost warn
# Initial run to fill up the cone
run 20000
Per MPI rank memory allocation (min/avg/max) = 6.05 | 6.05 | 6.05 Mbytes
Step CPU Atoms KinEng
0 0 0 -0
1000 0.63366675 2000 -0
2000 1.0221362 2000 -0
3000 1.3905275 2000 -0
4000 1.7514329 2000 -0
5000 2.1040537 2000 -0
6000 2.4468088 2000 -0
7000 2.7853072 2000 -0
8000 3.1109948 2000 -0
9000 3.4281557 2000 -0
10000 3.7435207 2000 -0
11000 3.8612552 2000 -0
12000 3.9786677 2000 -0
13000 4.0988154 2000 -0
14000 4.2249811 2000 -0
15000 4.3562138 2000 -0
16000 4.4940333 2000 -0
17000 4.6394637 2000 -0
18000 4.7909062 2000 -0
19000 4.9482198 2000 -0
20000 5.1116607 2000 -0
Loop time of 5.11176 on 4 procs for 20000 steps with 2000 atoms
97.4% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.050997 | 0.14884 | 0.36048 | 32.0 | 2.91
Neigh | 0.01374 | 0.025199 | 0.043743 | 7.0 | 0.49
Comm | 0.063387 | 0.1781 | 0.29748 | 22.6 | 3.48
Output | 0.0016627 | 0.0060938 | 0.015082 | 6.8 | 0.12
Modify | 1.1198 | 1.987 | 3.7195 | 72.6 | 38.87
Other | | 2.767 | | | 54.12
Nlocal: 500 ave 505 max 493 min
Histogram: 1 0 0 0 0 1 0 1 0 1
Nghost: 159.25 ave 254 max 71 min
Histogram: 1 0 0 1 0 1 0 0 0 1
Neighs: 397.5 ave 616 max 214 min
Histogram: 1 0 1 0 0 0 1 0 0 1
Total # of neighbors = 1590
Ave neighs/atom = 0.795
Neighbor list builds = 69
Dangerous builds = 0
unfix ins
run 150000
Per MPI rank memory allocation (min/avg/max) = 12.37 | 12.51 | 12.7 Mbytes
Step CPU Atoms KinEng
20000 0 2000 6443.7665
21000 0.11261106 2000 6572.3531
22000 0.23091817 2000 6723.8376
23000 0.35577631 2000 6853.1812
24000 0.48790455 2000 6976.0209
25000 0.63509274 2000 7096.9955
26000 0.78251743 2000 7215.5795
27000 0.93707466 2000 7349.2382
28000 1.1032445 2000 7471.8719
29000 1.2721858 2000 7574.8228
30000 1.449265 2000 7659.3836
31000 1.5742557 2000 7703.6856
32000 1.7076068 2000 7644.279
33000 1.8527873 2000 7526.6944
34000 2.009855 2000 7370.0821
35000 2.1766446 2000 7193.0459
36000 2.3557482 2000 6990.9912
37000 2.5468907 2000 6849.286
38000 2.7480681 2000 6701.7548
39000 2.9574037 2000 6538.6915
40000 3.1807711 2000 6382.3209
41000 3.3486595 2000 6216.424
42000 3.5162592 2000 6091.29
43000 3.687057 2000 5945.3256
44000 3.8662596 2000 5840.875
45000 4.0557241 2000 5649.763
46000 4.2541051 2000 5476.2837
47000 4.4571214 2000 5277.0701
48000 4.6628008 2000 5123.9796
49000 4.8686502 2000 4968.3344
50000 5.0788848 2000 4869.5754
51000 5.2552598 2000 4704.8517
52000 5.4428713 2000 4522.8978
53000 5.6520596 2000 4393.8047
54000 5.8613031 2000 4235.438
55000 6.0776098 2000 4082.3073
56000 6.2998042 2000 3901.0483
57000 6.5321434 2000 3718.0882
58000 6.7745438 2000 3504.621
59000 7.0237701 2000 3285.7484
60000 7.2791855 2000 3047.3386
61000 7.489058 2000 2875.4032
62000 7.7044094 2000 2647.83
63000 7.9194827 2000 2396.5343
64000 8.1429474 2000 2107.2113
65000 8.3745618 2000 1858.1977
66000 8.610673 2000 1615.8096
67000 8.8505244 2000 1416.5065
68000 9.0955915 2000 1206.8534
69000 9.3609676 2000 953.93974
70000 9.6382594 2000 766.9148
71000 9.8719468 2000 611.45063
72000 10.095534 2000 464.94805
73000 10.317962 2000 364.31415
74000 10.547287 2000 298.77524
75000 10.764052 2000 245.73022
76000 10.978769 2000 207.8035
77000 11.199921 2000 179.1305
78000 11.410296 2000 151.21032
79000 11.624499 2000 124.49675
80000 11.849562 2000 106.71504
81000 12.077449 2000 93.299034
82000 12.306904 2000 81.220408
83000 12.539016 2000 67.383955
84000 12.773108 2000 57.287165
85000 13.009487 2000 49.255887
86000 13.252544 2000 44.082536
87000 13.502564 2000 40.193574
88000 13.747198 2000 36.903867
89000 13.993028 2000 33.55332
90000 14.240036 2000 30.730912
91000 14.472719 2000 28.650574
92000 14.708542 2000 26.377609
93000 14.948106 2000 24.433165
94000 15.186653 2000 22.933076
95000 15.428022 2000 22.31788
96000 15.676323 2000 20.829124
97000 15.916326 2000 19.401354
98000 16.160197 2000 18.943699
99000 16.404796 2000 17.690599
100000 16.659731 2000 17.215943
101000 16.904498 2000 15.948087
102000 17.150993 2000 15.140324
103000 17.39584 2000 14.885674
104000 17.643707 2000 14.414752
105000 17.889343 2000 14.270676
106000 18.136159 2000 13.943799
107000 18.383653 2000 13.840145
108000 18.630952 2000 12.826341
109000 18.878218 2000 12.209012
110000 19.125558 2000 11.916194
111000 19.3726 2000 11.970849
112000 19.621494 2000 11.56909
113000 19.869978 2000 11.390562
114000 20.123402 2000 11.276545
115000 20.370963 2000 11.171298
116000 20.619975 2000 11.686225
117000 20.869585 2000 11.379805
118000 21.118875 2000 10.539511
119000 21.36837 2000 10.064595
120000 21.629511 2000 10.003722
121000 21.877867 2000 9.6974586
122000 22.127922 2000 9.7156209
123000 22.378215 2000 9.615256
124000 22.630463 2000 8.8979008
125000 22.882154 2000 8.2220003
126000 23.135763 2000 8.3153866
127000 23.392389 2000 8.0945497
128000 23.645521 2000 7.8942467
129000 23.89965 2000 7.4794776
130000 24.153195 2000 7.3635341
131000 24.406239 2000 7.5757743
132000 24.66016 2000 7.7047492
133000 24.914093 2000 8.0142133
134000 25.173429 2000 8.1716714
135000 25.433318 2000 7.7803343
136000 25.692997 2000 6.3545482
137000 25.947787 2000 6.313769
138000 26.200427 2000 6.4948596
139000 26.452514 2000 6.6183259
140000 26.714963 2000 6.7922281
141000 26.968235 2000 7.0752448
142000 27.220962 2000 7.2328717
143000 27.474819 2000 7.626453
144000 27.728029 2000 7.4576787
145000 27.981958 2000 7.124435
146000 28.236591 2000 7.2581589
147000 28.489842 2000 7.0622049
148000 28.744432 2000 7.1672801
149000 28.998739 2000 7.3248363
150000 29.253511 2000 7.0092266
151000 29.50567 2000 6.8124438
152000 29.759836 2000 6.9808705
153000 30.015359 2000 7.1516731
154000 30.275488 2000 6.6245443
155000 30.533407 2000 5.5867165
156000 30.788683 2000 5.318949
157000 31.043126 2000 5.1195805
158000 31.297011 2000 5.2045485
159000 31.551327 2000 5.24992
160000 31.807728 2000 5.3270577
161000 32.061371 2000 4.995281
162000 32.315467 2000 5.0755874
163000 32.57628 2000 5.0788135
164000 32.83119 2000 4.5917317
165000 33.085634 2000 4.6255452
166000 33.344148 2000 4.2563299
167000 33.599342 2000 3.3808566
168000 33.853488 2000 3.218931
169000 34.121464 2000 3.0839289
170000 34.378727 2000 3.0358838
Loop time of 34.3788 on 4 procs for 150000 steps with 2000 atoms
98.5% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 6.5861 | 10.058 | 12.152 | 68.4 | 29.26
Neigh | 0.17612 | 0.25274 | 0.30005 | 9.2 | 0.74
Comm | 1.5024 | 2.6626 | 3.4174 | 44.9 | 7.74
Output | 0.006542 | 0.019532 | 0.046425 | 11.5 | 0.06
Modify | 11.945 | 14.674 | 16.29 | 42.7 | 42.68
Other | | 6.711 | | | 19.52
Nlocal: 500 ave 508 max 489 min
Histogram: 1 0 0 1 0 0 0 0 0 2
Nghost: 446.75 ave 708 max 191 min
Histogram: 1 0 0 1 0 1 0 0 0 1
Neighs: 4498 ave 5441 max 3786 min
Histogram: 1 1 0 0 0 0 1 0 0 1
Total # of neighbors = 17992
Ave neighs/atom = 8.996
Neighbor list builds = 403
Dangerous builds = 0
# remove "plug" - need to redefine cylinder region & union
region cylreg delete
region hopreg delete
region cylreg cylinder z ${xc} ${yc} ${radconelo} ${zcyllo} ${zconelo} side in units box open 1 open 2 #Bottom & top are open
region cylreg cylinder z 25 ${yc} ${radconelo} ${zcyllo} ${zconelo} side in units box open 1 open 2
region cylreg cylinder z 25 25 ${radconelo} ${zcyllo} ${zconelo} side in units box open 1 open 2
region cylreg cylinder z 25 25 2 ${zcyllo} ${zconelo} side in units box open 1 open 2
region cylreg cylinder z 25 25 2 0 ${zconelo} side in units box open 1 open 2
region cylreg cylinder z 25 25 2 0 10 side in units box open 1 open 2
region hopreg union 2 cylreg conereg
unfix hopper3
fix hopper3 all wall/gran/region hertz/history ${kn} ${kt} ${gamma_n} ${gamma_t} ${coeffFric} 1 region hopreg
fix hopper3 all wall/gran/region hertz/history 72592.5925925926 ${kt} ${gamma_n} ${gamma_t} ${coeffFric} 1 region hopreg
fix hopper3 all wall/gran/region hertz/history 72592.5925925926 90740.7407407408 ${gamma_n} ${gamma_t} ${coeffFric} 1 region hopreg
fix hopper3 all wall/gran/region hertz/history 72592.5925925926 90740.7407407408 903.503751814138 ${gamma_t} ${coeffFric} 1 region hopreg
fix hopper3 all wall/gran/region hertz/history 72592.5925925926 90740.7407407408 903.503751814138 451.751875907069 ${coeffFric} 1 region hopreg
fix hopper3 all wall/gran/region hertz/history 72592.5925925926 90740.7407407408 903.503751814138 451.751875907069 0.5 1 region hopreg
run 100000
Per MPI rank memory allocation (min/avg/max) = 13.68 | 15.35 | 16.59 Mbytes
Step CPU Atoms KinEng
170000 0 2000 3.0358838
171000 0.25455499 2000 3.7725185
172000 0.50768304 2000 4.727285
173000 0.76122355 2000 5.9840449
174000 1.0141416 2000 8.0335022
175000 1.2750733 2000 10.177259
176000 1.5277736 2000 13.655163
177000 1.7810826 2000 17.987975
178000 2.0348532 2000 23.266471
179000 2.2915859 2000 29.266364
180000 2.547174 2000 35.84089
181000 2.8009758 2000 43.130989
182000 3.0531759 2000 51.177142
183000 3.3130636 2000 60.031831
184000 3.5651338 2000 69.52374
185000 3.8185399 2000 79.941907
186000 4.070199 2000 91.195382
187000 4.3204038 2000 102.1696
188000 4.5699775 2000 112.73657
189000 4.8184452 2000 123.57252
190000 5.0653601 2000 135.59942
191000 5.3119307 2000 147.37757
192000 5.5574484 2000 159.12931
193000 5.8029084 2000 170.90271
194000 6.0463562 2000 185.71189
195000 6.2883332 2000 201.83733
196000 6.5281694 2000 218.30785
197000 6.7682493 2000 236.05694
198000 7.0084231 2000 255.23099
199000 7.2519951 2000 273.94566
200000 7.5010133 2000 293.91107
201000 7.7396591 2000 316.52142
202000 7.9784184 2000 340.91391
203000 8.224021 2000 364.81801
204000 8.4597676 2000 390.06478
205000 8.6934731 2000 415.90918
206000 8.9342225 2000 441.0995
207000 9.1714027 2000 467.40314
208000 9.4081488 2000 494.93631
209000 9.6457636 2000 524.70539
210000 9.8831718 2000 556.52058
211000 10.118018 2000 589.36821
212000 10.3541 2000 622.6887
213000 10.587226 2000 657.05888
214000 10.820744 2000 691.14292
215000 11.055785 2000 726.94959
216000 11.298702 2000 762.92802
217000 11.534793 2000 801.23648
218000 11.769849 2000 841.1559
219000 12.000917 2000 882.4342
220000 12.232812 2000 924.8466
221000 12.461166 2000 968.86229
222000 12.698451 2000 1013.1381
223000 12.930287 2000 1058.2988
224000 13.172862 2000 1105.2911
225000 13.405001 2000 1152.8617
226000 13.633187 1999 1197.6777
227000 13.857126 1998 1243.1211
228000 14.079622 1992 1262.1402
229000 14.303362 1987 1281.9162
230000 14.530392 1973 1264.0674
231000 14.756486 1964 1277.8347
232000 14.984495 1953 1266.7926
233000 15.213102 1940 1244.0038
234000 15.441666 1925 1206.4472
235000 15.667547 1914 1193.33
236000 15.895047 1901 1160.4096
237000 16.120833 1890 1141.6816
238000 16.346628 1883 1149.1584
239000 16.573303 1877 1141.7514
240000 16.801035 1871 1146.8662
241000 17.024775 1866 1152.561
242000 17.248651 1858 1148.2529
243000 17.47241 1847 1114.7239
244000 17.70222 1832 1070.9996
245000 17.926477 1824 1066.7549
246000 18.157588 1813 1027.1865
247000 18.378868 1804 1011.5024
248000 18.599988 1797 993.10451
249000 18.819007 1787 951.89778
250000 19.044634 1777 926.30475
251000 19.254408 1764 875.07091
252000 19.465788 1755 824.89358
253000 19.676327 1742 742.51957
254000 19.887648 1731 708.30958
255000 20.094912 1722 690.09761
256000 20.299963 1713 638.00218
257000 20.506153 1705 596.86839
258000 20.713994 1701 583.71937
259000 20.919755 1691 549.0049
260000 21.123122 1688 549.4278
261000 21.332215 1684 535.35719
262000 21.533673 1682 546.74031
263000 21.737042 1678 532.69324
264000 21.941306 1676 537.89254
265000 22.15135 1676 559.50898
266000 22.358371 1670 540.21452
267000 22.563236 1668 557.19857
268000 22.764648 1665 569.52869
269000 22.96391 1658 543.77057
270000 23.172415 1656 550.23716
Loop time of 23.1725 on 4 procs for 100000 steps with 1656 atoms
98.5% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 3.3849 | 7.3002 | 10.192 | 91.3 | 31.50
Neigh | 0.14271 | 0.16781 | 0.19054 | 4.5 | 0.72
Comm | 1.086 | 1.9721 | 2.6157 | 42.7 | 8.51
Output | 0.0018437 | 0.013918 | 0.041359 | 13.5 | 0.06
Modify | 8.6598 | 9.3198 | 9.8874 | 16.6 | 40.22
Other | | 4.399 | | | 18.98
Nlocal: 414 ave 454 max 385 min
Histogram: 2 0 0 0 0 0 1 0 0 1
Nghost: 395.25 ave 645 max 157 min
Histogram: 1 0 0 1 0 1 0 0 0 1
Neighs: 3498.5 ave 4524 max 2034 min
Histogram: 1 0 0 0 1 0 0 0 0 2
Total # of neighbors = 13994
Ave neighs/atom = 8.45048
Neighbor list builds = 240
Dangerous builds = 0
Total wall time: 0:01:02

View File

@ -1,602 +0,0 @@
LAMMPS (27 Nov 2018)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:87)
using 1 OpenMP thread(s) per MPI task
variable name string mixer
thermo_modify flush yes
variable seed equal 14314
###############################################
# Particle parameters
################################################
variable rlo equal 0.3
variable rhi equal 0.6
variable dlo equal 2.0*${rlo}
variable dlo equal 2.0*0.3
variable dhi equal 2.0*${rhi}
variable dhi equal 2.0*0.6
variable skin equal ${rhi}
variable skin equal 0.6
variable coeffRes equal 0.1
variable coeffFric equal 0.5
variable kn equal 10^5
variable kt equal 0.2*${kn}
variable kt equal 0.2*100000
variable gravity equal 1.0
variable density equal 1.0
variable min_mass equal ${density}*4.0/3.0*PI*${rlo}*${rlo}*${rlo}
variable min_mass equal 1*4.0/3.0*PI*${rlo}*${rlo}*${rlo}
variable min_mass equal 1*4.0/3.0*PI*0.3*${rlo}*${rlo}
variable min_mass equal 1*4.0/3.0*PI*0.3*0.3*${rlo}
variable min_mass equal 1*4.0/3.0*PI*0.3*0.3*0.3
variable a equal (-2.0*log(${coeffRes})/PI)^2
variable a equal (-2.0*log(0.1)/PI)^2
variable gamma_n equal sqrt($a*2*${kn}/${min_mass}/(1+0.25*$a))
variable gamma_n equal sqrt(0.405284734569351*2*${kn}/${min_mass}/(1+0.25*$a))
variable gamma_n equal sqrt(0.405284734569351*2*100000/${min_mass}/(1+0.25*$a))
variable gamma_n equal sqrt(0.405284734569351*2*100000/0.113097335529233/(1+0.25*$a))
variable gamma_n equal sqrt(0.405284734569351*2*100000/0.113097335529233/(1+0.25*0.405284734569351))
variable gamma_t equal ${gamma_n}*0.5
variable gamma_t equal 806.699778405191*0.5
variable tcol equal PI/sqrt(2*${kn}/${min_mass}-${gamma_n}/4.0)
variable tcol equal PI/sqrt(2*100000/${min_mass}-${gamma_n}/4.0)
variable tcol equal PI/sqrt(2*100000/0.113097335529233-${gamma_n}/4.0)
variable tcol equal PI/sqrt(2*100000/0.113097335529233-806.699778405191/4.0)
variable dt equal ${tcol}*0.02
variable dt equal 0.00236257621510454*0.02
timestep ${dt}
timestep 4.72515243020908e-05
###############################################
variable dumpfreq equal 1000
variable logfreq equal 1000
newton on
atom_style sphere
boundary p p f
region boxreg block 0 20 0 20 0 20
create_box 1 boxreg
Created orthogonal box = (0 0 0) to (20 20 20)
1 by 1 by 1 MPI processor grid
pair_style gran/hertz/history ${kn} ${kt} ${gamma_n} ${gamma_t} ${coeffFric} 1
pair_style gran/hertz/history 100000 ${kt} ${gamma_n} ${gamma_t} ${coeffFric} 1
pair_style gran/hertz/history 100000 20000 ${gamma_n} ${gamma_t} ${coeffFric} 1
pair_style gran/hertz/history 100000 20000 806.699778405191 ${gamma_t} ${coeffFric} 1
pair_style gran/hertz/history 100000 20000 806.699778405191 403.349889202595 ${coeffFric} 1
pair_style gran/hertz/history 100000 20000 806.699778405191 403.349889202595 0.5 1
pair_coeff * *
neighbor ${skin} bin
neighbor 0.6 bin
thermo ${logfreq}
thermo 1000
comm_style brick
comm_modify mode multi group all vel yes
balance 1.1 shift xyz 20 1.1
Neighbor list info ...
update every 1 steps, delay 10 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 0
ghost atom cutoff = 0
binsize = 20, bins = 1 1 1
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair gran/hertz/history, perpetual
attributes: half, newton on, size, history
pair build: half/size/bin/newton
stencil: half/bin/3d/newton
bin: standard
fix bal all balance 10000 1.1 shift xyz 20 1.01
####################### Options specific to pouring #########################
region insreg cylinder z 10 10 8 10 18 side in units box
region cylreg cylinder z 10 10 10 0 20 side in units box
variable theta equal (step/400000)*2*PI
region b1 block 2 18 9 11 0 4 side out rotate v_theta 10 10 0 0 0 1 units box
region b2 block 9 11 2 18 0 3.99999 side out rotate v_theta 10 10 0 0 0 1 units box
region mixer intersect 3 cylreg b1 b2 side in
fix grav all gravity ${gravity} vector 0 0 -1
fix grav all gravity 1 vector 0 0 -1
fix 1 all nve/sphere
fix mixwall all wall/gran/region hertz/history ${kn} ${kt} ${gamma_n} ${gamma_t} ${coeffFric} 1 region mixer
fix mixwall all wall/gran/region hertz/history 100000 ${kt} ${gamma_n} ${gamma_t} ${coeffFric} 1 region mixer
fix mixwall all wall/gran/region hertz/history 100000 20000 ${gamma_n} ${gamma_t} ${coeffFric} 1 region mixer
fix mixwall all wall/gran/region hertz/history 100000 20000 806.699778405191 ${gamma_t} ${coeffFric} 1 region mixer
fix mixwall all wall/gran/region hertz/history 100000 20000 806.699778405191 403.349889202595 ${coeffFric} 1 region mixer
fix mixwall all wall/gran/region hertz/history 100000 20000 806.699778405191 403.349889202595 0.5 1 region mixer
fix ins all pour 1000 1 42424 region insreg diam range ${dlo} ${dhi} dens ${density} ${density}
fix ins all pour 1000 1 42424 region insreg diam range 0.6 ${dhi} dens ${density} ${density}
fix ins all pour 1000 1 42424 region insreg diam range 0.6 1.2 dens ${density} ${density}
fix ins all pour 1000 1 42424 region insreg diam range 0.6 1.2 dens 1 ${density}
fix ins all pour 1000 1 42424 region insreg diam range 0.6 1.2 dens 1 1
Particle insertion: 444 every 84653 steps, 1000 by step 169307
#dump 1 all custom ${dumpfreq} ${name}_pour.dump # id type mass diameter x y z
#dump 2 all image 4000 image.*.jpg type type # axes yes 0.8 0.02 view 60 -30 zoom 1.5 # box no 0.0 axes no 0.0 0.0
#dump_modify 2 pad 6
thermo_style custom step cpu atoms ke v_theta
WARNING: New thermo_style command, previous thermo_modify settings will be lost (src/output.cpp:705)
thermo_modify flush yes lost warn
run 200000
Per MPI rank memory allocation (min/avg/max) = 5.862 | 5.862 | 5.862 Mbytes
Step CPU Atoms KinEng v_theta
0 0 0 -0 0
1000 0.15327144 444 -0 0.015707963
2000 0.30070925 444 -0 0.031415927
3000 0.44653535 444 -0 0.04712389
4000 0.59226131 444 -0 0.062831853
5000 0.73794818 444 -0 0.078539816
6000 0.88327622 444 -0 0.09424778
7000 1.0286083 444 -0 0.10995574
8000 1.1740625 444 -0 0.12566371
9000 1.3224797 444 -0 0.14137167
10000 1.4717772 444 -0 0.15707963
11000 1.6204555 444 -0 0.1727876
12000 1.7690799 444 -0 0.18849556
13000 1.918304 444 -0 0.20420352
14000 2.0670426 444 -0 0.21991149
15000 2.2157068 444 -0 0.23561945
16000 2.3642888 444 -0 0.25132741
17000 2.5129776 444 -0 0.26703538
18000 2.6614521 444 -0 0.28274334
19000 2.8100598 444 -0 0.2984513
20000 2.9591351 444 -0 0.31415927
21000 3.1073661 444 -0 0.32986723
22000 3.2557554 444 -0 0.34557519
23000 3.4041324 444 -0 0.36128316
24000 3.5526814 444 -0 0.37699112
25000 3.700824 444 -0 0.39269908
26000 3.8496137 444 -0 0.40840704
27000 3.9986103 444 -0 0.42411501
28000 4.1475384 444 -0 0.43982297
29000 4.2963772 444 -0 0.45553093
30000 4.4454341 444 -0 0.4712389
31000 4.5942066 444 -0 0.48694686
32000 4.7434044 444 -0 0.50265482
33000 4.893549 444 -0 0.51836279
34000 5.0427935 444 -0 0.53407075
35000 5.1920972 444 -0 0.54977871
36000 5.3411844 444 -0 0.56548668
37000 5.4904606 444 -0 0.58119464
38000 5.6397707 444 -0 0.5969026
39000 5.7900345 444 -0 0.61261057
40000 5.9405882 444 -0 0.62831853
41000 6.089345 444 -0 0.64402649
42000 6.2388933 444 -0 0.65973446
43000 6.3888056 444 -0 0.67544242
44000 6.5379841 444 -0 0.69115038
45000 6.6875141 444 -0 0.70685835
46000 6.8370855 444 -0 0.72256631
47000 6.9866009 444 -0 0.73827427
48000 7.1364653 444 -0 0.75398224
49000 7.2859883 444 -0 0.7696902
50000 7.4368248 444 -0 0.78539816
51000 7.5870779 444 -0 0.80110613
52000 7.7370813 444 -0 0.81681409
53000 7.8879561 444 -0 0.83252205
54000 8.0383027 444 -0 0.84823002
55000 8.1916294 444 -0 0.86393798
56000 8.3458471 444 -0 0.87964594
57000 8.5010631 444 -0 0.89535391
58000 8.6560545 444 -0 0.91106187
59000 8.8110209 444 -0 0.92676983
60000 8.9674675 444 -0 0.9424778
61000 9.1231239 444 -0 0.95818576
62000 9.2785382 444 -0 0.97389372
63000 9.4343674 444 -0 0.98960169
64000 9.5911541 444 -0 1.0053096
65000 9.7477772 444 -0 1.0210176
66000 9.9050307 444 -0 1.0367256
67000 10.063978 444 -0 1.0524335
68000 10.221835 444 -0 1.0681415
69000 10.37944 444 -0 1.0838495
70000 10.537409 444 -0 1.0995574
71000 10.695649 444 -0 1.1152654
72000 10.85453 444 -0 1.1309734
73000 11.013438 444 -0 1.1466813
74000 11.172689 444 -0 1.1623893
75000 11.332172 444 -0 1.1780972
76000 11.492824 444 -0 1.1938052
77000 11.653915 444 -0 1.2095132
78000 11.815798 444 -0 1.2252211
79000 11.97868 444 -0 1.2409291
80000 12.141392 444 -0 1.2566371
81000 12.30536 444 -0 1.272345
82000 12.468797 444 -0 1.288053
83000 12.633028 444 -0 1.303761
84000 12.797936 444 -0 1.3194689
85000 13.019726 888 -0 1.3351769
86000 13.333436 888 -0 1.3508848
87000 13.648179 888 -0 1.3665928
88000 13.962435 888 -0 1.3823008
89000 14.276158 888 -0 1.3980087
90000 14.590669 888 -0 1.4137167
91000 14.904268 888 -0 1.4294247
92000 15.216788 888 -0 1.4451326
93000 15.529868 888 -0 1.4608406
94000 15.843157 888 -0 1.4765485
95000 16.156564 888 -0 1.4922565
96000 16.469569 888 -0 1.5079645
97000 16.784048 888 -0 1.5236724
98000 17.100451 888 -0 1.5393804
99000 17.416338 888 -0 1.5550884
100000 17.733482 888 -0 1.5707963
101000 18.052522 888 -0 1.5865043
102000 18.371428 888 -0 1.6022123
103000 18.690222 888 -0 1.6179202
104000 19.009665 888 -0 1.6336282
105000 19.328189 888 -0 1.6493361
106000 19.647804 888 -0 1.6650441
107000 19.96805 888 -0 1.6807521
108000 20.286857 888 -0 1.69646
109000 20.607965 888 -0 1.712168
110000 20.931749 888 -0 1.727876
111000 21.251903 888 -0 1.7435839
112000 21.572158 888 -0 1.7592919
113000 21.892612 888 -0 1.7749998
114000 22.214408 888 -0 1.7907078
115000 22.535498 888 -0 1.8064158
116000 22.856752 888 -0 1.8221237
117000 23.178885 888 -0 1.8378317
118000 23.501127 888 -0 1.8535397
119000 23.8241 888 -0 1.8692476
120000 24.147258 888 -0 1.8849556
121000 24.472969 888 -0 1.9006636
122000 24.799108 888 -0 1.9163715
123000 25.125275 888 -0 1.9320795
124000 25.453866 888 -0 1.9477874
125000 25.784766 888 -0 1.9634954
126000 26.117013 888 -0 1.9792034
127000 26.448734 888 -0 1.9949113
128000 26.780032 888 -0 2.0106193
129000 27.113678 888 -0 2.0263273
130000 27.450001 888 -0 2.0420352
131000 27.782047 888 -0 2.0577432
132000 28.114287 888 -0 2.0734512
133000 28.446648 888 -0 2.0891591
134000 28.780438 888 -0 2.1048671
135000 29.116443 888 -0 2.120575
136000 29.451848 888 -0 2.136283
137000 29.787778 888 -0 2.151991
138000 30.12804 888 -0 2.1676989
139000 30.46814 888 -0 2.1834069
140000 30.808946 888 -0 2.1991149
141000 31.147584 888 -0 2.2148228
142000 31.486475 888 -0 2.2305308
143000 31.826754 888 -0 2.2462387
144000 32.165796 888 -0 2.2619467
145000 32.506074 888 -0 2.2776547
146000 32.847604 888 -0 2.2933626
147000 33.188988 888 -0 2.3090706
148000 33.532869 888 -0 2.3247786
149000 33.876629 888 -0 2.3404865
150000 34.221172 888 -0 2.3561945
151000 34.562559 888 -0 2.3719025
152000 34.904679 888 -0 2.3876104
153000 35.247727 888 -0 2.4033184
154000 35.591228 888 -0 2.4190263
155000 35.949192 888 -0 2.4347343
156000 36.320157 888 -0 2.4504423
157000 36.693571 888 -0 2.4661502
158000 37.069463 888 -0 2.4818582
159000 37.44221 888 -0 2.4975662
160000 37.81863 888 -0 2.5132741
161000 38.195121 888 -0 2.5289821
162000 38.573424 888 -0 2.54469
163000 38.950044 888 -0 2.560398
164000 39.331977 888 -0 2.576106
165000 39.714367 888 -0 2.5918139
166000 40.097099 888 -0 2.6075219
167000 40.477443 888 -0 2.6232299
168000 40.860404 888 -0 2.6389378
169000 41.244357 888 -0 2.6546458
170000 41.658126 1000 -0 2.6703538
171000 42.082517 1000 -0 2.6860617
172000 42.507502 1000 -0 2.7017697
173000 42.93363 1000 -0 2.7174776
174000 43.361133 1000 -0 2.7331856
175000 43.792381 1000 -0 2.7488936
176000 44.223827 1000 -0 2.7646015
177000 44.656581 1000 -0 2.7803095
178000 45.087615 1000 -0 2.7960175
179000 45.521129 1000 -0 2.8117254
180000 45.957808 1000 -0 2.8274334
181000 46.391451 1000 -0 2.8431414
182000 46.825486 1000 -0 2.8588493
183000 47.26091 1000 -0 2.8745573
184000 47.694263 1000 -0 2.8902652
185000 48.123312 1000 -0 2.9059732
186000 48.554081 1000 -0 2.9216812
187000 48.982617 1000 -0 2.9373891
188000 49.414355 1000 -0 2.9530971
189000 49.84753 1000 -0 2.9688051
190000 50.284462 1000 -0 2.984513
191000 50.71899 1000 -0 3.000221
192000 51.157278 1000 -0 3.0159289
193000 51.586171 1000 -0 3.0316369
194000 52.011691 1000 -0 3.0473449
195000 52.437732 1000 -0 3.0630528
196000 52.863703 1000 -0 3.0787608
197000 53.290403 1000 -0 3.0944688
198000 53.7191 1000 -0 3.1101767
199000 54.147195 1000 -0 3.1258847
200000 54.575967 1000 -0 3.1415927
Loop time of 54.576 on 1 procs for 200000 steps with 1000 atoms
Performance: 14960.907 tau/day, 3664.615 timesteps/s
98.9% CPU use with 1 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 3.7989 | 3.7989 | 3.7989 | 0.0 | 6.96
Neigh | 0.067629 | 0.067629 | 0.067629 | 0.0 | 0.12
Comm | 0.63734 | 0.63734 | 0.63734 | 0.0 | 1.17
Output | 0.0049303 | 0.0049303 | 0.0049303 | 0.0 | 0.01
Modify | 49.1 | 49.1 | 49.1 | 0.0 | 89.97
Other | | 0.9668 | | | 1.77
Nlocal: 1000 ave 1000 max 1000 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 196 ave 196 max 196 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 3910 ave 3910 max 3910 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 3910
Ave neighs/atom = 3.91
Neighbor list builds = 219
Dangerous builds = 0
unfix ins
run 200000
Per MPI rank memory allocation (min/avg/max) = 12.65 | 12.65 | 12.65 Mbytes
Step CPU Atoms KinEng v_theta
200000 0 1000 0.93873133 3.1415927
201000 0.4261198 1000 0.93239566 3.1573006
202000 0.84928846 1000 0.90333835 3.1730086
203000 1.2720087 1000 0.89351493 3.1887165
204000 1.6929317 1000 0.87648478 3.2044245
205000 2.114043 1000 0.86818482 3.2201325
206000 2.5357664 1000 0.86033251 3.2358404
207000 2.9579847 1000 0.85442625 3.2515484
208000 3.3812878 1000 0.8517451 3.2672564
209000 3.8124611 1000 0.84406987 3.2829643
210000 4.2440236 1000 0.83964642 3.2986723
211000 4.6781921 1000 0.82994066 3.3143802
212000 5.1116509 1000 0.82908369 3.3300882
213000 5.5468135 1000 0.83115482 3.3457962
214000 5.9802556 1000 0.82680518 3.3615041
215000 6.4107294 1000 0.8223909 3.3772121
216000 6.8419023 1000 0.81872537 3.3929201
217000 7.2763367 1000 0.82446065 3.408628
218000 7.7160695 1000 0.82278874 3.424336
219000 8.1540956 1000 0.83017397 3.440044
220000 8.5917952 1000 0.82232305 3.4557519
221000 9.0296218 1000 0.82584132 3.4714599
222000 9.4719794 1000 0.82143909 3.4871678
223000 9.9180939 1000 0.82925587 3.5028758
224000 10.361852 1000 0.84546265 3.5185838
225000 10.803539 1000 0.84436452 3.5342917
226000 11.248456 1000 0.84849375 3.5499997
227000 11.695092 1000 0.8409057 3.5657077
228000 12.136044 1000 0.83139305 3.5814156
229000 12.579807 1000 0.83098473 3.5971236
230000 13.02219 1000 0.81335147 3.6128316
231000 13.463863 1000 0.78946649 3.6285395
232000 13.906293 1000 0.78807613 3.6442475
233000 14.348807 1000 0.79086655 3.6599554
234000 14.793175 1000 0.79358862 3.6756634
235000 15.238316 1000 0.79444252 3.6913714
236000 15.683342 1000 0.79392156 3.7070793
237000 16.12611 1000 0.80416034 3.7227873
238000 16.5711 1000 0.80365093 3.7384953
239000 17.014355 1000 0.80860323 3.7542032
240000 17.454467 1000 0.80245788 3.7699112
241000 17.89162 1000 0.79602568 3.7856191
242000 18.330859 1000 0.79023692 3.8013271
243000 18.769301 1000 0.79066782 3.8170351
244000 19.211293 1000 0.77671368 3.832743
245000 19.651443 1000 0.77121874 3.848451
246000 20.092102 1000 0.74658977 3.864159
247000 20.532732 1000 0.73825017 3.8798669
248000 20.975646 1000 0.7187986 3.8955749
249000 21.418807 1000 0.71707058 3.9112829
250000 21.862497 1000 0.72983635 3.9269908
251000 22.311832 1000 0.7355358 3.9426988
252000 22.75883 1000 0.74427811 3.9584067
253000 23.203455 1000 0.74968093 3.9741147
254000 23.651472 1000 0.75350303 3.9898227
255000 24.102152 1000 0.75617916 4.0055306
256000 24.554236 1000 0.74949839 4.0212386
257000 25.008718 1000 0.73534118 4.0369466
258000 25.461913 1000 0.73761942 4.0526545
259000 25.916674 1000 0.75485851 4.0683625
260000 26.373941 1000 0.77147511 4.0840704
261000 26.832072 1000 0.76658917 4.0997784
262000 27.28741 1000 0.76441563 4.1154864
263000 27.742157 1000 0.74449444 4.1311943
264000 28.192718 1000 0.7403314 4.1469023
265000 28.642541 1000 0.74262656 4.1626103
266000 29.09406 1000 0.74117022 4.1783182
267000 29.547747 1000 0.73877643 4.1940262
268000 29.998243 1000 0.75062626 4.2097342
269000 30.449751 1000 0.74649396 4.2254421
270000 30.901232 1000 0.75371324 4.2411501
271000 31.354755 1000 0.75254842 4.256858
272000 31.810717 1000 0.74245946 4.272566
273000 32.265754 1000 0.73056023 4.288274
274000 32.719719 1000 0.72004393 4.3039819
275000 33.173929 1000 0.70665742 4.3196899
276000 33.628581 1000 0.69417262 4.3353979
277000 34.080936 1000 0.67343474 4.3511058
278000 34.532053 1000 0.66922758 4.3668138
279000 34.985569 1000 0.66239909 4.3825218
280000 35.443496 1000 0.66406486 4.3982297
281000 35.901536 1000 0.67123654 4.4139377
282000 36.357765 1000 0.67660885 4.4296456
283000 36.811956 1000 0.6809288 4.4453536
284000 37.266937 1000 0.69561154 4.4610616
285000 37.720866 1000 0.70874512 4.4767695
286000 38.177032 1000 0.72957833 4.4924775
287000 38.633109 1000 0.72891066 4.5081855
288000 39.086933 1000 0.72673285 4.5238934
289000 39.538699 1000 0.72583062 4.5396014
290000 39.991294 1000 0.7209406 4.5553093
291000 40.437987 1000 0.70642559 4.5710173
292000 40.885753 1000 0.69074151 4.5867253
293000 41.326601 1000 0.68041469 4.6024332
294000 41.763719 1000 0.6712034 4.6181412
295000 42.198532 1000 0.66140336 4.6338492
296000 42.635139 1000 0.65458145 4.6495571
297000 43.071132 1000 0.63884999 4.6652651
298000 43.507309 1000 0.63182296 4.6809731
299000 43.943936 1000 0.6324286 4.696681
300000 44.383148 1000 0.62640427 4.712389
301000 44.819379 1000 0.62138494 4.7280969
302000 45.260834 1000 0.62902694 4.7438049
303000 45.705719 1000 0.63308052 4.7595129
304000 46.14622 1000 0.63266845 4.7752208
305000 46.586693 1000 0.63464534 4.7909288
306000 47.028768 1000 0.62941378 4.8066368
307000 47.470183 1000 0.62801025 4.8223447
308000 47.914518 1000 0.62291875 4.8380527
309000 48.365654 1000 0.62529494 4.8537606
310000 48.817185 1000 0.62504442 4.8694686
311000 49.269423 1000 0.63074915 4.8851766
312000 49.722869 1000 0.64292914 4.9008845
313000 50.175859 1000 0.65319818 4.9165925
314000 50.630132 1000 0.66755513 4.9323005
315000 51.084836 1000 0.67585436 4.9480084
316000 51.539391 1000 0.67676226 4.9637164
317000 51.995233 1000 0.67394312 4.9794244
318000 52.453581 1000 0.67299959 4.9951323
319000 52.906322 1000 0.68074615 5.0108403
320000 53.362206 1000 0.67696004 5.0265482
321000 53.813824 1000 0.67899008 5.0422562
322000 54.264433 1000 0.67901671 5.0579642
323000 54.715627 1000 0.67620354 5.0736721
324000 55.168 1000 0.67165541 5.0893801
325000 55.620891 1000 0.67820953 5.1050881
326000 56.073685 1000 0.67490808 5.120796
327000 56.526012 1000 0.67238149 5.136504
328000 56.977525 1000 0.66885914 5.152212
329000 57.431088 1000 0.66876389 5.1679199
330000 57.886694 1000 0.66879597 5.1836279
331000 58.338381 1000 0.66577546 5.1993358
332000 58.791084 1000 0.6602875 5.2150438
333000 59.242965 1000 0.65879422 5.2307518
334000 59.698559 1000 0.6581474 5.2464597
335000 60.153261 1000 0.6521249 5.2621677
336000 60.605605 1000 0.63371979 5.2778757
337000 61.059824 1000 0.62373279 5.2935836
338000 61.510606 1000 0.6212013 5.3092916
339000 61.962049 1000 0.62303395 5.3249995
340000 62.413564 1000 0.63183785 5.3407075
341000 62.86366 1000 0.64387158 5.3564155
342000 63.317623 1000 0.65045982 5.3721234
343000 63.772034 1000 0.65401192 5.3878314
344000 64.225206 1000 0.65181077 5.4035394
345000 64.681317 1000 0.64098248 5.4192473
346000 65.136483 1000 0.63163559 5.4349553
347000 65.588996 1000 0.64182161 5.4506633
348000 66.042215 1000 0.65528889 5.4663712
349000 66.501687 1000 0.66603277 5.4820792
350000 66.960896 1000 0.67362185 5.4977871
351000 67.417316 1000 0.68867905 5.5134951
352000 67.876742 1000 0.6907547 5.5292031
353000 68.336836 1000 0.69043981 5.544911
354000 68.797396 1000 0.68676964 5.560619
355000 69.255062 1000 0.68019369 5.576327
356000 69.711663 1000 0.66189875 5.5920349
357000 70.172728 1000 0.65275709 5.6077429
358000 70.632655 1000 0.64560617 5.6234508
359000 71.091165 1000 0.63865266 5.6391588
360000 71.548341 1000 0.6366388 5.6548668
361000 72.006137 1000 0.63619567 5.6705747
362000 72.466621 1000 0.63986167 5.6862827
363000 72.928505 1000 0.656198 5.7019907
364000 73.391876 1000 0.66522563 5.7176986
365000 73.852366 1000 0.67330205 5.7334066
366000 74.317924 1000 0.67997811 5.7491146
367000 74.781431 1000 0.67734915 5.7648225
368000 75.24363 1000 0.66811078 5.7805305
369000 75.704319 1000 0.67232161 5.7962384
370000 76.165294 1000 0.67262944 5.8119464
371000 76.624971 1000 0.68614241 5.8276544
372000 77.085918 1000 0.70293842 5.8433623
373000 77.544679 1000 0.71889856 5.8590703
374000 78.007103 1000 0.7170296 5.8747783
375000 78.468913 1000 0.71258031 5.8904862
376000 78.93354 1000 0.70758873 5.9061942
377000 79.39396 1000 0.69486822 5.9219022
378000 79.850685 1000 0.68311194 5.9376101
379000 80.307228 1000 0.67317549 5.9533181
380000 80.767418 1000 0.67691049 5.969026
381000 81.227579 1000 0.69231691 5.984734
382000 81.686924 1000 0.69998609 6.000442
383000 82.145783 1000 0.69328258 6.0161499
384000 82.604827 1000 0.69903908 6.0318579
385000 83.056443 1000 0.69455744 6.0475659
386000 83.507131 1000 0.68865933 6.0632738
387000 83.95695 1000 0.68630439 6.0789818
388000 84.404079 1000 0.6800564 6.0946897
389000 84.851053 1000 0.66747339 6.1103977
390000 85.298614 1000 0.65695883 6.1261057
391000 85.744507 1000 0.65659359 6.1418136
392000 86.191348 1000 0.65933663 6.1575216
393000 86.632782 1000 0.65170236 6.1732296
394000 87.074105 1000 0.65631817 6.1889375
395000 87.5177 1000 0.66205838 6.2046455
396000 87.963111 1000 0.65512694 6.2203535
397000 88.408348 1000 0.65266011 6.2360614
398000 88.854042 1000 0.64593806 6.2517694
399000 89.298754 1000 0.64940473 6.2674773
400000 89.745445 1000 0.66033435 6.2831853
Loop time of 89.7455 on 1 procs for 200000 steps with 1000 atoms
Performance: 9098.023 tau/day, 2228.525 timesteps/s
98.9% CPU use with 1 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 10.924 | 10.924 | 10.924 | 0.0 | 12.17
Neigh | 0.10266 | 0.10266 | 0.10266 | 0.0 | 0.11
Comm | 1.9424 | 1.9424 | 1.9424 | 0.0 | 2.16
Output | 0.0056458 | 0.0056458 | 0.0056458 | 0.0 | 0.01
Modify | 75.442 | 75.442 | 75.442 | 0.0 | 84.06
Other | | 1.329 | | | 1.48
Nlocal: 1000 ave 1000 max 1000 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 272 ave 272 max 272 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 4933 ave 4933 max 4933 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 4933
Ave neighs/atom = 4.933
Neighbor list builds = 171
Dangerous builds = 0
Total wall time: 0:02:24

View File

@ -1,602 +0,0 @@
LAMMPS (27 Nov 2018)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:87)
using 1 OpenMP thread(s) per MPI task
variable name string mixer
thermo_modify flush yes
variable seed equal 14314
###############################################
# Particle parameters
################################################
variable rlo equal 0.3
variable rhi equal 0.6
variable dlo equal 2.0*${rlo}
variable dlo equal 2.0*0.3
variable dhi equal 2.0*${rhi}
variable dhi equal 2.0*0.6
variable skin equal ${rhi}
variable skin equal 0.6
variable coeffRes equal 0.1
variable coeffFric equal 0.5
variable kn equal 10^5
variable kt equal 0.2*${kn}
variable kt equal 0.2*100000
variable gravity equal 1.0
variable density equal 1.0
variable min_mass equal ${density}*4.0/3.0*PI*${rlo}*${rlo}*${rlo}
variable min_mass equal 1*4.0/3.0*PI*${rlo}*${rlo}*${rlo}
variable min_mass equal 1*4.0/3.0*PI*0.3*${rlo}*${rlo}
variable min_mass equal 1*4.0/3.0*PI*0.3*0.3*${rlo}
variable min_mass equal 1*4.0/3.0*PI*0.3*0.3*0.3
variable a equal (-2.0*log(${coeffRes})/PI)^2
variable a equal (-2.0*log(0.1)/PI)^2
variable gamma_n equal sqrt($a*2*${kn}/${min_mass}/(1+0.25*$a))
variable gamma_n equal sqrt(0.405284734569351*2*${kn}/${min_mass}/(1+0.25*$a))
variable gamma_n equal sqrt(0.405284734569351*2*100000/${min_mass}/(1+0.25*$a))
variable gamma_n equal sqrt(0.405284734569351*2*100000/0.113097335529233/(1+0.25*$a))
variable gamma_n equal sqrt(0.405284734569351*2*100000/0.113097335529233/(1+0.25*0.405284734569351))
variable gamma_t equal ${gamma_n}*0.5
variable gamma_t equal 806.699778405191*0.5
variable tcol equal PI/sqrt(2*${kn}/${min_mass}-${gamma_n}/4.0)
variable tcol equal PI/sqrt(2*100000/${min_mass}-${gamma_n}/4.0)
variable tcol equal PI/sqrt(2*100000/0.113097335529233-${gamma_n}/4.0)
variable tcol equal PI/sqrt(2*100000/0.113097335529233-806.699778405191/4.0)
variable dt equal ${tcol}*0.02
variable dt equal 0.00236257621510454*0.02
timestep ${dt}
timestep 4.72515243020908e-05
###############################################
variable dumpfreq equal 1000
variable logfreq equal 1000
newton on
atom_style sphere
boundary p p f
region boxreg block 0 20 0 20 0 20
create_box 1 boxreg
Created orthogonal box = (0 0 0) to (20 20 20)
1 by 2 by 2 MPI processor grid
pair_style gran/hertz/history ${kn} ${kt} ${gamma_n} ${gamma_t} ${coeffFric} 1
pair_style gran/hertz/history 100000 ${kt} ${gamma_n} ${gamma_t} ${coeffFric} 1
pair_style gran/hertz/history 100000 20000 ${gamma_n} ${gamma_t} ${coeffFric} 1
pair_style gran/hertz/history 100000 20000 806.699778405191 ${gamma_t} ${coeffFric} 1
pair_style gran/hertz/history 100000 20000 806.699778405191 403.349889202595 ${coeffFric} 1
pair_style gran/hertz/history 100000 20000 806.699778405191 403.349889202595 0.5 1
pair_coeff * *
neighbor ${skin} bin
neighbor 0.6 bin
thermo ${logfreq}
thermo 1000
comm_style brick
comm_modify mode multi group all vel yes
balance 1.1 shift xyz 20 1.1
Neighbor list info ...
update every 1 steps, delay 10 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 0
ghost atom cutoff = 0
binsize = 20, bins = 1 1 1
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair gran/hertz/history, perpetual
attributes: half, newton on, size, history
pair build: half/size/bin/newton
stencil: half/bin/3d/newton
bin: standard
fix bal all balance 10000 1.1 shift xyz 20 1.01
####################### Options specific to pouring #########################
region insreg cylinder z 10 10 8 10 18 side in units box
region cylreg cylinder z 10 10 10 0 20 side in units box
variable theta equal (step/400000)*2*PI
region b1 block 2 18 9 11 0 4 side out rotate v_theta 10 10 0 0 0 1 units box
region b2 block 9 11 2 18 0 3.99999 side out rotate v_theta 10 10 0 0 0 1 units box
region mixer intersect 3 cylreg b1 b2 side in
fix grav all gravity ${gravity} vector 0 0 -1
fix grav all gravity 1 vector 0 0 -1
fix 1 all nve/sphere
fix mixwall all wall/gran/region hertz/history ${kn} ${kt} ${gamma_n} ${gamma_t} ${coeffFric} 1 region mixer
fix mixwall all wall/gran/region hertz/history 100000 ${kt} ${gamma_n} ${gamma_t} ${coeffFric} 1 region mixer
fix mixwall all wall/gran/region hertz/history 100000 20000 ${gamma_n} ${gamma_t} ${coeffFric} 1 region mixer
fix mixwall all wall/gran/region hertz/history 100000 20000 806.699778405191 ${gamma_t} ${coeffFric} 1 region mixer
fix mixwall all wall/gran/region hertz/history 100000 20000 806.699778405191 403.349889202595 ${coeffFric} 1 region mixer
fix mixwall all wall/gran/region hertz/history 100000 20000 806.699778405191 403.349889202595 0.5 1 region mixer
fix ins all pour 1000 1 42424 region insreg diam range ${dlo} ${dhi} dens ${density} ${density}
fix ins all pour 1000 1 42424 region insreg diam range 0.6 ${dhi} dens ${density} ${density}
fix ins all pour 1000 1 42424 region insreg diam range 0.6 1.2 dens ${density} ${density}
fix ins all pour 1000 1 42424 region insreg diam range 0.6 1.2 dens 1 ${density}
fix ins all pour 1000 1 42424 region insreg diam range 0.6 1.2 dens 1 1
Particle insertion: 444 every 84653 steps, 1000 by step 169307
#dump 1 all custom ${dumpfreq} ${name}_pour.dump # id type mass diameter x y z
#dump 2 all image 4000 image.*.jpg type type # axes yes 0.8 0.02 view 60 -30 zoom 1.5 # box no 0.0 axes no 0.0 0.0
#dump_modify 2 pad 6
thermo_style custom step cpu atoms ke v_theta
WARNING: New thermo_style command, previous thermo_modify settings will be lost (src/output.cpp:705)
thermo_modify flush yes lost warn
run 200000
Per MPI rank memory allocation (min/avg/max) = 5.817 | 5.817 | 5.817 Mbytes
Step CPU Atoms KinEng v_theta
0 0 0 -0 0
1000 0.096722603 444 -0 0.015707963
2000 0.18796778 444 -0 0.031415927
3000 0.27916241 444 -0 0.04712389
4000 0.37111688 444 -0 0.062831853
5000 0.46224833 444 -0 0.078539816
6000 0.55190682 444 -0 0.09424778
7000 0.64120579 444 -0 0.10995574
8000 0.73025131 444 -0 0.12566371
9000 0.82121348 444 -0 0.14137167
10000 0.91006637 444 -0 0.15707963
11000 0.97034311 444 -0 0.1727876
12000 1.030247 444 -0 0.18849556
13000 1.0894752 444 -0 0.20420352
14000 1.1483686 444 -0 0.21991149
15000 1.2138393 444 -0 0.23561945
16000 1.2744856 444 -0 0.25132741
17000 1.3361425 444 -0 0.26703538
18000 1.3998857 444 -0 0.28274334
19000 1.4625463 444 -0 0.2984513
20000 1.5255082 444 -0 0.31415927
21000 1.5845048 444 -0 0.32986723
22000 1.6437175 444 -0 0.34557519
23000 1.7022173 444 -0 0.36128316
24000 1.7614172 444 -0 0.37699112
25000 1.8209105 444 -0 0.39269908
26000 1.8818901 444 -0 0.40840704
27000 1.9439991 444 -0 0.42411501
28000 2.0067189 444 -0 0.43982297
29000 2.0697014 444 -0 0.45553093
30000 2.1327429 444 -0 0.4712389
31000 2.1904151 444 -0 0.48694686
32000 2.2478669 444 -0 0.50265482
33000 2.3062997 444 -0 0.51836279
34000 2.3723967 444 -0 0.53407075
35000 2.4331915 444 -0 0.54977871
36000 2.4937904 444 -0 0.56548668
37000 2.5550685 444 -0 0.58119464
38000 2.6170652 444 -0 0.5969026
39000 2.6789875 444 -0 0.61261057
40000 2.7414019 444 -0 0.62831853
41000 2.799027 444 -0 0.64402649
42000 2.8570235 444 -0 0.65973446
43000 2.9140713 444 -0 0.67544242
44000 2.9702985 444 -0 0.69115038
45000 3.0274565 444 -0 0.70685835
46000 3.0860338 444 -0 0.72256631
47000 3.1450455 444 -0 0.73827427
48000 3.2057948 444 -0 0.75398224
49000 3.267339 444 -0 0.7696902
50000 3.3300545 444 -0 0.78539816
51000 3.3942592 444 -0 0.80110613
52000 3.4522727 444 -0 0.81681409
53000 3.5117693 444 -0 0.83252205
54000 3.5717957 444 -0 0.84823002
55000 3.6338761 444 -0 0.86393798
56000 3.7006576 444 -0 0.87964594
57000 3.7648654 444 -0 0.89535391
58000 3.829128 444 -0 0.91106187
59000 3.8930187 444 -0 0.92676983
60000 3.9581499 444 -0 0.9424778
61000 4.0213017 444 -0 0.95818576
62000 4.0822632 444 -0 0.97389372
63000 4.1443422 444 -0 0.98960169
64000 4.2072315 444 -0 1.0053096
65000 4.2711387 444 -0 1.0210176
66000 4.3361402 444 -0 1.0367256
67000 4.4031398 444 -0 1.0524335
68000 4.4698064 444 -0 1.0681415
69000 4.5374978 444 -0 1.0838495
70000 4.6051283 444 -0 1.0995574
71000 4.6694169 444 -0 1.1152654
72000 4.7335079 444 -0 1.1309734
73000 4.7967482 444 -0 1.1466813
74000 4.8603547 444 -0 1.1623893
75000 4.9250085 444 -0 1.1780972
76000 4.9909372 444 -0 1.1938052
77000 5.0578024 444 -0 1.2095132
78000 5.1250138 444 -0 1.2252211
79000 5.1929755 444 -0 1.2409291
80000 5.2627637 444 -0 1.2566371
81000 5.3280981 444 -0 1.272345
82000 5.3957336 444 -0 1.288053
83000 5.4648135 444 -0 1.303761
84000 5.5368683 444 -0 1.3194689
85000 5.6352935 888 -0 1.3351769
86000 5.7708502 888 -0 1.3508848
87000 5.9051492 888 -0 1.3665928
88000 6.0384896 888 -0 1.3823008
89000 6.1714747 888 -0 1.3980087
90000 6.3042989 888 -0 1.4137167
91000 6.4114611 888 -0 1.4294247
92000 6.5164247 888 -0 1.4451326
93000 6.6219602 888 -0 1.4608406
94000 6.728405 888 -0 1.4765485
95000 6.8411646 888 -0 1.4922565
96000 6.9479821 888 -0 1.5079645
97000 7.0569239 888 -0 1.5236724
98000 7.1673372 888 -0 1.5393804
99000 7.2778809 888 -0 1.5550884
100000 7.398834 888 -0 1.5707963
101000 7.5066864 888 -0 1.5865043
102000 7.6158357 888 -0 1.6022123
103000 7.725111 888 -0 1.6179202
104000 7.8344197 888 -0 1.6336282
105000 7.9532022 888 -0 1.6493361
106000 8.0643187 888 -0 1.6650441
107000 8.1765473 888 -0 1.6807521
108000 8.2890661 888 -0 1.69646
109000 8.4048562 888 -0 1.712168
110000 8.5208168 888 -0 1.727876
111000 8.6303153 888 -0 1.7435839
112000 8.7401052 888 -0 1.7592919
113000 8.8518219 888 -0 1.7749998
114000 8.9638157 888 -0 1.7907078
115000 9.0766122 888 -0 1.8064158
116000 9.1908746 888 -0 1.8221237
117000 9.306145 888 -0 1.8378317
118000 9.4229569 888 -0 1.8535397
119000 9.5407412 888 -0 1.8692476
120000 9.6574531 888 -0 1.8849556
121000 9.7683234 888 -0 1.9006636
122000 9.8812008 888 -0 1.9163715
123000 9.9952521 888 -0 1.9320795
124000 10.111879 888 -0 1.9477874
125000 10.228812 888 -0 1.9634954
126000 10.347842 888 -0 1.9792034
127000 10.47052 888 -0 1.9949113
128000 10.593136 888 -0 2.0106193
129000 10.718124 888 -0 2.0263273
130000 10.844211 888 -0 2.0420352
131000 10.959177 888 -0 2.0577432
132000 11.075781 888 -0 2.0734512
133000 11.191418 888 -0 2.0891591
134000 11.313376 888 -0 2.1048671
135000 11.432321 888 -0 2.120575
136000 11.551893 888 -0 2.136283
137000 11.672695 888 -0 2.151991
138000 11.793487 888 -0 2.1676989
139000 11.914089 888 -0 2.1834069
140000 12.037441 888 -0 2.1991149
141000 12.161974 888 -0 2.2148228
142000 12.286641 888 -0 2.2305308
143000 12.414012 888 -0 2.2462387
144000 12.540939 888 -0 2.2619467
145000 12.66985 888 -0 2.2776547
146000 12.79975 888 -0 2.2933626
147000 12.932702 888 -0 2.3090706
148000 13.066088 888 -0 2.3247786
149000 13.200814 888 -0 2.3404865
150000 13.33565 888 -0 2.3561945
151000 13.465995 888 -0 2.3719025
152000 13.586622 888 -0 2.3876104
153000 13.711423 888 -0 2.4033184
154000 13.835058 888 -0 2.4190263
155000 13.967661 888 -0 2.4347343
156000 14.100609 888 -0 2.4504423
157000 14.234485 888 -0 2.4661502
158000 14.373325 888 -0 2.4818582
159000 14.510608 888 -0 2.4975662
160000 14.651416 888 -0 2.5132741
161000 14.785767 888 -0 2.5289821
162000 14.921569 888 -0 2.54469
163000 15.058895 888 -0 2.560398
164000 15.198786 888 -0 2.576106
165000 15.341662 888 -0 2.5918139
166000 15.487128 888 -0 2.6075219
167000 15.649383 888 -0 2.6232299
168000 15.795388 888 -0 2.6389378
169000 15.942671 888 -0 2.6546458
170000 16.091824 1000 -0 2.6703538
171000 16.239863 1000 -0 2.6860617
172000 16.391118 1000 -0 2.7017697
173000 16.5417 1000 -0 2.7174776
174000 16.69479 1000 -0 2.7331856
175000 16.847412 1000 -0 2.7488936
176000 17.000374 1000 -0 2.7646015
177000 17.15471 1000 -0 2.7803095
178000 17.31284 1000 -0 2.7960175
179000 17.46991 1000 -0 2.8117254
180000 17.629018 1000 -0 2.8274334
181000 17.787736 1000 -0 2.8431414
182000 17.946197 1000 -0 2.8588493
183000 18.105271 1000 -0 2.8745573
184000 18.263731 1000 -0 2.8902652
185000 18.433277 1000 -0 2.9059732
186000 18.594456 1000 -0 2.9216812
187000 18.755532 1000 -0 2.9373891
188000 18.918447 1000 -0 2.9530971
189000 19.080359 1000 -0 2.9688051
190000 19.243927 1000 -0 2.984513
191000 19.395044 1000 -0 3.000221
192000 19.546837 1000 -0 3.0159289
193000 19.695827 1000 -0 3.0316369
194000 19.843856 1000 -0 3.0473449
195000 19.993821 1000 -0 3.0630528
196000 20.145787 1000 -0 3.0787608
197000 20.298114 1000 -0 3.0944688
198000 20.45074 1000 -0 3.1101767
199000 20.607595 1000 -0 3.1258847
200000 20.760979 1000 -0 3.1415927
Loop time of 20.7611 on 4 procs for 200000 steps with 1000 atoms
Performance: 39328.699 tau/day, 9633.409 timesteps/s
98.0% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.57172 | 0.93292 | 1.2995 | 37.1 | 4.49
Neigh | 0.015648 | 0.018747 | 0.02175 | 2.1 | 0.09
Comm | 3.17 | 3.6151 | 4.0856 | 23.0 | 17.41
Output | 0.0051017 | 0.012686 | 0.033359 | 10.6 | 0.06
Modify | 12.36 | 13.269 | 14.095 | 21.8 | 63.91
Other | | 2.912 | | | 14.03
Nlocal: 250 ave 270 max 230 min
Histogram: 1 0 0 0 1 0 1 0 0 1
Nghost: 297 ave 337 max 234 min
Histogram: 1 0 0 0 0 1 0 0 0 2
Neighs: 982.5 ave 1580 max 496 min
Histogram: 2 0 0 0 0 0 0 1 0 1
Total # of neighbors = 3930
Ave neighs/atom = 3.93
Neighbor list builds = 218
Dangerous builds = 0
unfix ins
run 200000
Per MPI rank memory allocation (min/avg/max) = 12 | 12.19 | 12.35 Mbytes
Step CPU Atoms KinEng v_theta
200000 0 1000 0.89289812 3.1415927
201000 0.15554476 1000 0.90162438 3.1573006
202000 0.31118774 1000 0.89175077 3.1730086
203000 0.47266722 1000 0.88068523 3.1887165
204000 0.64758801 1000 0.88775074 3.2044245
205000 0.85137105 1000 0.89009449 3.2201325
206000 1.0712745 1000 0.89031724 3.2358404
207000 1.3620427 1000 0.90901476 3.2515484
208000 1.6051998 1000 0.91977358 3.2672564
209000 1.7975032 1000 0.92044257 3.2829643
210000 1.9654117 1000 0.90550844 3.2986723
211000 2.1186137 1000 0.90179135 3.3143802
212000 2.2714169 1000 0.90474936 3.3300882
213000 2.4236252 1000 0.9011002 3.3457962
214000 2.5737655 1000 0.89619815 3.3615041
215000 2.7326233 1000 0.89129064 3.3772121
216000 2.8794787 1000 0.88785486 3.3929201
217000 3.0264313 1000 0.89448821 3.408628
218000 3.1743443 1000 0.89323746 3.424336
219000 3.3225086 1000 0.88176869 3.440044
220000 3.4717121 1000 0.86989815 3.4557519
221000 3.6229391 1000 0.85900389 3.4714599
222000 3.7768724 1000 0.85440461 3.4871678
223000 3.9287963 1000 0.8604449 3.5028758
224000 4.082505 1000 0.84537374 3.5185838
225000 4.234731 1000 0.84526488 3.5342917
226000 4.3872988 1000 0.85877362 3.5499997
227000 4.5396216 1000 0.86762074 3.5657077
228000 4.7092509 1000 0.86460359 3.5814156
229000 4.8631954 1000 0.85409682 3.5971236
230000 5.0194352 1000 0.83902718 3.6128316
231000 5.1765387 1000 0.83908755 3.6285395
232000 5.3335299 1000 0.83178808 3.6442475
233000 5.4917257 1000 0.83369584 3.6599554
234000 5.654233 1000 0.8530074 3.6756634
235000 5.8163757 1000 0.86385009 3.6913714
236000 5.9791231 1000 0.86453337 3.7070793
237000 6.1401029 1000 0.86137572 3.7227873
238000 6.300632 1000 0.8656285 3.7384953
239000 6.4597898 1000 0.85993724 3.7542032
240000 6.6216707 1000 0.8484153 3.7699112
241000 6.7793672 1000 0.84624799 3.7856191
242000 6.939244 1000 0.83739227 3.8013271
243000 7.1013088 1000 0.83026469 3.8170351
244000 7.267416 1000 0.81060567 3.832743
245000 7.4318523 1000 0.81081038 3.848451
246000 7.6077905 1000 0.80857771 3.864159
247000 7.7763391 1000 0.80353315 3.8798669
248000 7.9485247 1000 0.80191903 3.8955749
249000 8.1208956 1000 0.79865102 3.9112829
250000 8.2921841 1000 0.79407385 3.9269908
251000 8.4614651 1000 0.7880275 3.9426988
252000 8.6266186 1000 0.79212521 3.9584067
253000 8.7913449 1000 0.78976714 3.9741147
254000 8.9596558 1000 0.79720779 3.9898227
255000 9.1278918 1000 0.79329363 4.0055306
256000 9.3016815 1000 0.80851295 4.0212386
257000 9.4701304 1000 0.82322071 4.0369466
258000 9.6399531 1000 0.83042211 4.0526545
259000 9.8090186 1000 0.82773068 4.0683625
260000 9.9798045 1000 0.8246773 4.0840704
261000 10.148952 1000 0.81374287 4.0997784
262000 10.318855 1000 0.79936963 4.1154864
263000 10.496092 1000 0.78124408 4.1311943
264000 10.671031 1000 0.77790646 4.1469023
265000 10.843052 1000 0.77212005 4.1626103
266000 11.01867 1000 0.77977752 4.1783182
267000 11.192151 1000 0.79237542 4.1940262
268000 11.362491 1000 0.80631398 4.2097342
269000 11.53223 1000 0.82380407 4.2254421
270000 11.7123 1000 0.82477127 4.2411501
271000 11.883593 1000 0.81655074 4.256858
272000 12.052348 1000 0.80678676 4.272566
273000 12.220196 1000 0.79162789 4.288274
274000 12.395164 1000 0.78896081 4.3039819
275000 12.569757 1000 0.77904648 4.3196899
276000 12.748754 1000 0.78252999 4.3353979
277000 12.91648 1000 0.78293295 4.3511058
278000 13.086087 1000 0.78311337 4.3668138
279000 13.260159 1000 0.77657634 4.3825218
280000 13.428503 1000 0.76835711 4.3982297
281000 13.596094 1000 0.75586438 4.4139377
282000 13.763325 1000 0.74600306 4.4296456
283000 13.932867 1000 0.73228762 4.4453536
284000 14.098865 1000 0.72344939 4.4610616
285000 14.269317 1000 0.72160289 4.4767695
286000 14.441196 1000 0.71321619 4.4924775
287000 14.614458 1000 0.72631772 4.5081855
288000 14.783358 1000 0.74390396 4.5238934
289000 14.953564 1000 0.77320352 4.5396014
290000 15.12428 1000 0.77249469 4.5553093
291000 15.283974 1000 0.7583723 4.5710173
292000 15.449553 1000 0.74568347 4.5867253
293000 15.611965 1000 0.74108034 4.6024332
294000 15.770807 1000 0.72706174 4.6181412
295000 15.927151 1000 0.71122597 4.6338492
296000 16.086734 1000 0.70272297 4.6495571
297000 16.245418 1000 0.6945394 4.6652651
298000 16.406617 1000 0.69541258 4.6809731
299000 16.568989 1000 0.71696092 4.696681
300000 16.754911 1000 0.72939561 4.712389
301000 16.919453 1000 0.73621801 4.7280969
302000 17.07794 1000 0.72052605 4.7438049
303000 17.234397 1000 0.71057318 4.7595129
304000 17.39014 1000 0.70014814 4.7752208
305000 17.550789 1000 0.68855925 4.7909288
306000 17.718802 1000 0.68665019 4.8066368
307000 17.874036 1000 0.6831349 4.8223447
308000 18.029367 1000 0.67929468 4.8380527
309000 18.188065 1000 0.67833006 4.8537606
310000 18.348243 1000 0.67764037 4.8694686
311000 18.512475 1000 0.68271978 4.8851766
312000 18.676519 1000 0.69021026 4.9008845
313000 18.836426 1000 0.68795473 4.9165925
314000 18.997681 1000 0.68308892 4.9323005
315000 19.158794 1000 0.68086977 4.9480084
316000 19.318186 1000 0.67879169 4.9637164
317000 19.479364 1000 0.68128526 4.9794244
318000 19.645085 1000 0.68718719 4.9951323
319000 19.806831 1000 0.68419901 5.0108403
320000 19.97005 1000 0.68045269 5.0265482
321000 20.130643 1000 0.68430036 5.0422562
322000 20.291637 1000 0.68195368 5.0579642
323000 20.457605 1000 0.67964011 5.0736721
324000 20.621699 1000 0.67681293 5.0893801
325000 20.78525 1000 0.67601868 5.1050881
326000 20.950321 1000 0.67600265 5.120796
327000 21.11346 1000 0.68484094 5.136504
328000 21.276964 1000 0.68526189 5.152212
329000 21.440971 1000 0.67602072 5.1679199
330000 21.609791 1000 0.68222852 5.1836279
331000 21.773574 1000 0.68825647 5.1993358
332000 21.93854 1000 0.68168415 5.2150438
333000 22.102281 1000 0.67460357 5.2307518
334000 22.265741 1000 0.67747925 5.2464597
335000 22.436954 1000 0.681763 5.2621677
336000 22.614367 1000 0.67611867 5.2778757
337000 22.779064 1000 0.66903217 5.2935836
338000 22.945739 1000 0.6684293 5.3092916
339000 23.111375 1000 0.66465194 5.3249995
340000 23.278674 1000 0.66226848 5.3407075
341000 23.444642 1000 0.66407188 5.3564155
342000 23.614615 1000 0.65762812 5.3721234
343000 23.785007 1000 0.66936507 5.3878314
344000 23.956265 1000 0.67424224 5.4035394
345000 24.129057 1000 0.684271 5.4192473
346000 24.303073 1000 0.68294352 5.4349553
347000 24.475812 1000 0.69795697 5.4506633
348000 24.652771 1000 0.69818863 5.4663712
349000 24.830973 1000 0.69578798 5.4820792
350000 25.00923 1000 0.69377251 5.4977871
351000 25.185421 1000 0.69638202 5.5134951
352000 25.363647 1000 0.70115823 5.5292031
353000 25.540517 1000 0.70891635 5.544911
354000 25.718709 1000 0.70876639 5.560619
355000 25.893633 1000 0.71130235 5.576327
356000 26.068423 1000 0.69380913 5.5920349
357000 26.243801 1000 0.67934899 5.6077429
358000 26.418883 1000 0.67024516 5.6234508
359000 26.594722 1000 0.66145645 5.6391588
360000 26.770322 1000 0.65335546 5.6548668
361000 26.946396 1000 0.65495192 5.6705747
362000 27.12296 1000 0.64973833 5.6862827
363000 27.298461 1000 0.64532381 5.7019907
364000 27.473586 1000 0.64282855 5.7176986
365000 27.653872 1000 0.64451862 5.7334066
366000 27.830317 1000 0.64366439 5.7491146
367000 28.007037 1000 0.64395479 5.7648225
368000 28.184079 1000 0.65827587 5.7805305
369000 28.376009 1000 0.66311341 5.7962384
370000 28.557287 1000 0.66165026 5.8119464
371000 28.736569 1000 0.66878374 5.8276544
372000 28.91063 1000 0.66944548 5.8433623
373000 29.084648 1000 0.66061945 5.8590703
374000 29.258649 1000 0.65320954 5.8747783
375000 29.433156 1000 0.64641195 5.8904862
376000 29.611781 1000 0.64631388 5.9061942
377000 29.78531 1000 0.64232398 5.9219022
378000 29.955917 1000 0.63805257 5.9376101
379000 30.126378 1000 0.63666047 5.9533181
380000 30.297285 1000 0.63651856 5.969026
381000 30.471635 1000 0.6377374 5.984734
382000 30.644813 1000 0.64750107 6.000442
383000 30.816208 1000 0.65655138 6.0161499
384000 30.986444 1000 0.65408935 6.0318579
385000 31.156501 1000 0.64437236 6.0475659
386000 31.327665 1000 0.63862174 6.0632738
387000 31.49731 1000 0.64133807 6.0789818
388000 31.682031 1000 0.64174374 6.0946897
389000 31.85148 1000 0.64480071 6.1103977
390000 32.020336 1000 0.64982943 6.1261057
391000 32.187634 1000 0.6461109 6.1418136
392000 32.357282 1000 0.64044412 6.1575216
393000 32.527796 1000 0.64662995 6.1732296
394000 32.704323 1000 0.65330527 6.1889375
395000 32.880643 1000 0.66026265 6.2046455
396000 33.048614 1000 0.6718969 6.2203535
397000 33.222059 1000 0.66481385 6.2360614
398000 33.391738 1000 0.66685494 6.2517694
399000 33.560431 1000 0.6612594 6.2674773
400000 33.729715 1000 0.65289572 6.2831853
Loop time of 33.7298 on 4 procs for 200000 steps with 1000 atoms
Performance: 24207.249 tau/day, 5929.470 timesteps/s
97.9% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 1.6748 | 2.6848 | 3.6646 | 58.4 | 7.96
Neigh | 0.021206 | 0.026438 | 0.03191 | 3.1 | 0.08
Comm | 6.133 | 7.3745 | 8.6652 | 45.0 | 21.86
Output | 0.0053763 | 0.016101 | 0.044719 | 13.0 | 0.05
Modify | 18.26 | 20.115 | 22.413 | 39.2 | 59.64
Other | | 3.513 | | | 10.42
Nlocal: 250 ave 266 max 230 min
Histogram: 1 0 0 0 0 1 1 0 0 1
Nghost: 401.5 ave 476 max 325 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Neighs: 1264 ave 1634 max 895 min
Histogram: 1 0 1 0 0 0 0 1 0 1
Total # of neighbors = 5056
Ave neighs/atom = 5.056
Neighbor list builds = 160
Dangerous builds = 0
Total wall time: 0:00:54

View File

@ -51,7 +51,7 @@ region insreg cylinder z ${xc} ${yc} ${cyl_rad_inner} ${drum_height} ${
fix 0 all balance 100 1.0 shift xy 5 1.1 fix 0 all balance 100 1.0 shift xy 5 1.1
fix 1 all nve/sphere fix 1 all nve/sphere
fix 2 all temp/integrate constant 1.0 fix 2 all heat/flow/sphere/temp constant 1.0
fix grav all gravity 10 vector 0 0 -1 fix grav all gravity 10 vector 0 0 -1
fix ins1 all pour 1000 1 1234 region insreg diam range ${dlo} ${dhi} dens ${dens} ${dens} fix ins1 all pour 1000 1 1234 region insreg diam range ${dlo} ${dhi} dens ${dens} ${dens}
fix ins2 all pour 1000 2 1234 region insreg diam range ${dlo} ${dhi} dens ${dens} ${dens} fix ins2 all pour 1000 2 1234 region insreg diam range ${dlo} ${dhi} dens ${dens} ${dens}

View File

@ -0,0 +1,272 @@
LAMMPS (15 Sep 2022)
# pour two types of particles (cohesive and non-cohesive) into cylinder
# 'turn' cylinder by changing direction of gravity, then rotate it.
# This simulates a rotating drum powder characterization experiment.
variable name string rotating_drum_two_types
atom_style sphere
units lj
###############################################
# Geometry-related parameters
###############################################
variable boxx equal 30
variable boxy equal 30
variable boxz equal 50
variable drum_rad equal ${boxx}*0.5
variable drum_rad equal 30*0.5
variable drum_height equal 20
variable xc equal 0.5*${boxx}
variable xc equal 0.5*30
variable yc equal 0.5*${boxx}
variable yc equal 0.5*30
variable zc equal 0.5*${boxz}
variable zc equal 0.5*50
###############################################
# Particle-related parameters
###############################################
variable rlo equal 0.25
variable rhi equal 0.5
variable dlo equal 2.0*${rlo}
variable dlo equal 2.0*0.25
variable dhi equal 2.0*${rhi}
variable dhi equal 2.0*0.5
variable cyl_rad_inner equal ${drum_rad}-1.1*${rhi}
variable cyl_rad_inner equal 15-1.1*${rhi}
variable cyl_rad_inner equal 15-1.1*0.5
variable dens equal 1.0
variable skin equal 0.4*${rhi}
variable skin equal 0.4*0.5
#############
processors * * 1
region boxreg block 0 ${boxx} 0 ${boxy} 0 ${boxz}
region boxreg block 0 30 0 ${boxy} 0 ${boxz}
region boxreg block 0 30 0 30 0 ${boxz}
region boxreg block 0 30 0 30 0 50
create_box 2 boxreg
Created orthogonal box = (0 0 0) to (30 30 50)
1 by 1 by 1 MPI processor grid
change_box all boundary p p f
Changing box ...
pair_style granular
pair_coeff 1 * hertz/material 1e5 0.2 0.3 tangential mindlin NULL 1.0 0.5 damping tsuji
pair_coeff 2 2 jkr 1e5 0.1 0.3 50 tangential mindlin NULL 1.0 0.5 rolling sds 1e3 1e3 0.1 twisting marshall
variable theta equal 0
region curved_wall cylinder z ${xc} ${yc} ${drum_rad} 0 ${drum_height} side in rotate v_theta ${xc} ${yc} 0 0 0 1
region curved_wall cylinder z 15 ${yc} ${drum_rad} 0 ${drum_height} side in rotate v_theta ${xc} ${yc} 0 0 0 1
region curved_wall cylinder z 15 15 ${drum_rad} 0 ${drum_height} side in rotate v_theta ${xc} ${yc} 0 0 0 1
region curved_wall cylinder z 15 15 15 0 ${drum_height} side in rotate v_theta ${xc} ${yc} 0 0 0 1
region curved_wall cylinder z 15 15 15 0 20 side in rotate v_theta ${xc} ${yc} 0 0 0 1
region curved_wall cylinder z 15 15 15 0 20 side in rotate v_theta 15 ${yc} 0 0 0 1
region curved_wall cylinder z 15 15 15 0 20 side in rotate v_theta 15 15 0 0 0 1
region bottom_wall plane ${xc} ${yc} 0 0 0 1 side in rotate v_theta ${xc} ${yc} 0 0 0 1
region bottom_wall plane 15 ${yc} 0 0 0 1 side in rotate v_theta ${xc} ${yc} 0 0 0 1
region bottom_wall plane 15 15 0 0 0 1 side in rotate v_theta ${xc} ${yc} 0 0 0 1
region bottom_wall plane 15 15 0 0 0 1 side in rotate v_theta 15 ${yc} 0 0 0 1
region bottom_wall plane 15 15 0 0 0 1 side in rotate v_theta 15 15 0 0 0 1
region insreg cylinder z ${xc} ${yc} ${cyl_rad_inner} ${drum_height} ${boxz}
region insreg cylinder z 15 ${yc} ${cyl_rad_inner} ${drum_height} ${boxz}
region insreg cylinder z 15 15 ${cyl_rad_inner} ${drum_height} ${boxz}
region insreg cylinder z 15 15 14.45 ${drum_height} ${boxz}
region insreg cylinder z 15 15 14.45 20 ${boxz}
region insreg cylinder z 15 15 14.45 20 50
fix 0 all balance 100 1.0 shift xy 5 1.1
fix 1 all nve/sphere
fix grav all gravity 10 vector 0 0 -1
fix ins1 all pour 2000 1 1234 region insreg diam range ${dlo} ${dhi} dens ${dens} ${dens}
fix ins1 all pour 2000 1 1234 region insreg diam range 0.5 ${dhi} dens ${dens} ${dens}
fix ins1 all pour 2000 1 1234 region insreg diam range 0.5 1 dens ${dens} ${dens}
fix ins1 all pour 2000 1 1234 region insreg diam range 0.5 1 dens 1 ${dens}
fix ins1 all pour 2000 1 1234 region insreg diam range 0.5 1 dens 1 1
Particle insertion: 9396 every 490 steps, 2000 by step 1
fix ins2 all pour 2000 2 1234 region insreg diam range ${dlo} ${dhi} dens ${dens} ${dens}
fix ins2 all pour 2000 2 1234 region insreg diam range 0.5 ${dhi} dens ${dens} ${dens}
fix ins2 all pour 2000 2 1234 region insreg diam range 0.5 1 dens ${dens} ${dens}
fix ins2 all pour 2000 2 1234 region insreg diam range 0.5 1 dens 1 ${dens}
fix ins2 all pour 2000 2 1234 region insreg diam range 0.5 1 dens 1 1
Particle insertion: 9396 every 490 steps, 2000 by step 1
comm_modify vel yes
neighbor ${skin} bin
neighbor 0.2 bin
neigh_modify delay 0 every 1 check yes
fix 3 all wall/gran/region granular hertz/material 1e5 0.1 0.3 tangential mindlin NULL 1.0 0.5 damping tsuji region curved_wall
fix 4 all wall/gran/region granular hertz/material 1e5 0.1 0.3 tangential mindlin NULL 1.0 0.5 damping tsuji region bottom_wall
thermo_style custom step atoms ke v_theta
thermo_modify lost warn
thermo 100
timestep 0.001
#dump 1 all custom 100 ${name}.dump id type radius mass x y z
#For removal later
compute 1 all property/atom radius
variable zmax atom z+c_1>0.5*${drum_height}
variable zmax atom z+c_1>0.5*20
group delgroup dynamic all var zmax every 10000
dynamic group delgroup defined
run 2000
Generated 0 of 1 mixed pair_coeff terms from geometric mixing rule
Neighbor list info ...
update: every = 1 steps, delay = 0 steps, check = yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 1.2
ghost atom cutoff = 1.2
binsize = 0.6, bins = 50 50 84
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair granular, perpetual
attributes: half, newton on, size, history
pair build: half/size/bin/newton
stencil: half/bin/3d
bin: standard
Per MPI rank memory allocation (min/avg/max) = 16.08 | 16.08 | 16.08 Mbytes
Step Atoms KinEng v_theta
0 0 -0 0
100 4000 -0 0
200 4000 -0 0
300 4000 -0 0
400 4000 -0 0
500 4000 -0 0
600 4000 -0 0
700 4000 -0 0
800 4000 -0 0
900 4000 -0 0
1000 4000 -0 0
1100 4000 -0 0
1200 4000 -0 0
1300 4000 -0 0
1400 4000 -0 0
1500 4000 -0 0
1600 4000 -0 0
1700 4000 -0 0
1800 4000 -0 0
1900 4000 -0 0
2000 4000 -0 0
Loop time of 2.81549 on 1 procs for 2000 steps with 4000 atoms
Performance: 61374.657 tau/day, 710.355 timesteps/s, 2.841 Matom-step/s
98.4% CPU use with 1 MPI tasks x no OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.35362 | 0.35362 | 0.35362 | 0.0 | 12.56
Neigh | 1.0852 | 1.0852 | 1.0852 | 0.0 | 38.54
Comm | 0.041891 | 0.041891 | 0.041891 | 0.0 | 1.49
Output | 0.00059151 | 0.00059151 | 0.00059151 | 0.0 | 0.02
Modify | 1.2814 | 1.2814 | 1.2814 | 0.0 | 45.51
Other | | 0.0528 | | | 1.88
Nlocal: 4000 ave 4000 max 4000 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 179 ave 179 max 179 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 7019 ave 7019 max 7019 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 7019
Ave neighs/atom = 1.75475
Neighbor list builds = 1000
Dangerous builds = 0
#Remove any particles that are above z > 0.5*drum_height
delete_atoms group delgroup
Deleted 0 atoms, new total = 4000
#Add top lid
region top_wall plane ${xc} ${yc} ${drum_height} 0 0 -1 side in rotate v_theta ${xc} ${yc} 0 0 0 1
region top_wall plane 15 ${yc} ${drum_height} 0 0 -1 side in rotate v_theta ${xc} ${yc} 0 0 0 1
region top_wall plane 15 15 ${drum_height} 0 0 -1 side in rotate v_theta ${xc} ${yc} 0 0 0 1
region top_wall plane 15 15 20 0 0 -1 side in rotate v_theta ${xc} ${yc} 0 0 0 1
region top_wall plane 15 15 20 0 0 -1 side in rotate v_theta 15 ${yc} 0 0 0 1
region top_wall plane 15 15 20 0 0 -1 side in rotate v_theta 15 15 0 0 0 1
fix 5 all wall/gran/region granular hertz/material 1e5 0.1 0.3 tangential mindlin NULL 1.0 0.5 damping tsuji region top_wall
# 'Turn' drum by switching the direction of gravity
unfix grav
unfix ins1
unfix ins2
fix grav all gravity 10 vector 0 -1 0
variable theta equal 2*PI*elapsed/20000.0
run 3000
Generated 0 of 1 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 22.42 | 22.42 | 22.42 Mbytes
Step Atoms KinEng v_theta
2000 4000 59.969827 0
2100 4000 47.251389 0.031415927
2200 4000 33.726755 0.062831853
2300 4000 24.212479 0.09424778
2400 4000 17.366268 0.12566371
2500 4000 18.502318 0.15707963
2600 4000 17.44981 0.18849556
2700 4000 16.068315 0.21991149
2800 4000 14.252644 0.25132741
2900 4000 11.544019 0.28274334
3000 4000 9.0353662 0.31415927
3100 4000 6.9955912 0.34557519
3200 4000 5.955137 0.37699112
3300 4000 5.8947849 0.40840704
3400 4000 6.0544729 0.43982297
3500 4000 6.5326359 0.4712389
3600 4000 6.6047764 0.50265482
3700 4000 6.7073614 0.53407075
3800 4000 6.7367804 0.56548668
3900 4000 6.6178006 0.5969026
4000 4000 6.3834858 0.62831853
4100 4000 5.8660652 0.65973446
4200 4000 5.308513 0.69115038
4300 4000 4.7270842 0.72256631
4400 4000 4.1920733 0.75398224
4500 4000 3.7068814 0.78539816
4600 4000 3.3259615 0.81681409
4700 4000 2.9339231 0.84823002
4800 4000 2.670752 0.87964594
4900 4000 2.4509115 0.91106187
5000 4000 2.2609335 0.9424778
Loop time of 9.82178 on 1 procs for 3000 steps with 4000 atoms
Performance: 26390.330 tau/day, 305.444 timesteps/s, 1.222 Matom-step/s
99.4% CPU use with 1 MPI tasks x no OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 3.2932 | 3.2932 | 3.2932 | 0.0 | 33.53
Neigh | 2.2872 | 2.2872 | 2.2872 | 0.0 | 23.29
Comm | 0.067117 | 0.067117 | 0.067117 | 0.0 | 0.68
Output | 0.00093425 | 0.00093425 | 0.00093425 | 0.0 | 0.01
Modify | 4.0986 | 4.0986 | 4.0986 | 0.0 | 41.73
Other | | 0.07476 | | | 0.76
Nlocal: 4000 ave 4000 max 4000 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 363 ave 363 max 363 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 13089 ave 13089 max 13089 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 13089
Ave neighs/atom = 3.27225
Neighbor list builds = 1247
Dangerous builds = 130
Total wall time: 0:00:12

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LAMMPS (15 Sep 2022)
# pour two types of particles (cohesive and non-cohesive) into cylinder
# 'turn' cylinder by changing direction of gravity, then rotate it.
# This simulates a rotating drum powder characterization experiment.
variable name string rotating_drum_two_types
atom_style sphere
units lj
###############################################
# Geometry-related parameters
###############################################
variable boxx equal 30
variable boxy equal 30
variable boxz equal 50
variable drum_rad equal ${boxx}*0.5
variable drum_rad equal 30*0.5
variable drum_height equal 20
variable xc equal 0.5*${boxx}
variable xc equal 0.5*30
variable yc equal 0.5*${boxx}
variable yc equal 0.5*30
variable zc equal 0.5*${boxz}
variable zc equal 0.5*50
###############################################
# Particle-related parameters
###############################################
variable rlo equal 0.25
variable rhi equal 0.5
variable dlo equal 2.0*${rlo}
variable dlo equal 2.0*0.25
variable dhi equal 2.0*${rhi}
variable dhi equal 2.0*0.5
variable cyl_rad_inner equal ${drum_rad}-1.1*${rhi}
variable cyl_rad_inner equal 15-1.1*${rhi}
variable cyl_rad_inner equal 15-1.1*0.5
variable dens equal 1.0
variable skin equal 0.4*${rhi}
variable skin equal 0.4*0.5
#############
processors * * 1
region boxreg block 0 ${boxx} 0 ${boxy} 0 ${boxz}
region boxreg block 0 30 0 ${boxy} 0 ${boxz}
region boxreg block 0 30 0 30 0 ${boxz}
region boxreg block 0 30 0 30 0 50
create_box 2 boxreg
Created orthogonal box = (0 0 0) to (30 30 50)
2 by 2 by 1 MPI processor grid
change_box all boundary p p f
Changing box ...
pair_style granular
pair_coeff 1 * hertz/material 1e5 0.2 0.3 tangential mindlin NULL 1.0 0.5 damping tsuji
pair_coeff 2 2 jkr 1e5 0.1 0.3 50 tangential mindlin NULL 1.0 0.5 rolling sds 1e3 1e3 0.1 twisting marshall
variable theta equal 0
region curved_wall cylinder z ${xc} ${yc} ${drum_rad} 0 ${drum_height} side in rotate v_theta ${xc} ${yc} 0 0 0 1
region curved_wall cylinder z 15 ${yc} ${drum_rad} 0 ${drum_height} side in rotate v_theta ${xc} ${yc} 0 0 0 1
region curved_wall cylinder z 15 15 ${drum_rad} 0 ${drum_height} side in rotate v_theta ${xc} ${yc} 0 0 0 1
region curved_wall cylinder z 15 15 15 0 ${drum_height} side in rotate v_theta ${xc} ${yc} 0 0 0 1
region curved_wall cylinder z 15 15 15 0 20 side in rotate v_theta ${xc} ${yc} 0 0 0 1
region curved_wall cylinder z 15 15 15 0 20 side in rotate v_theta 15 ${yc} 0 0 0 1
region curved_wall cylinder z 15 15 15 0 20 side in rotate v_theta 15 15 0 0 0 1
region bottom_wall plane ${xc} ${yc} 0 0 0 1 side in rotate v_theta ${xc} ${yc} 0 0 0 1
region bottom_wall plane 15 ${yc} 0 0 0 1 side in rotate v_theta ${xc} ${yc} 0 0 0 1
region bottom_wall plane 15 15 0 0 0 1 side in rotate v_theta ${xc} ${yc} 0 0 0 1
region bottom_wall plane 15 15 0 0 0 1 side in rotate v_theta 15 ${yc} 0 0 0 1
region bottom_wall plane 15 15 0 0 0 1 side in rotate v_theta 15 15 0 0 0 1
region insreg cylinder z ${xc} ${yc} ${cyl_rad_inner} ${drum_height} ${boxz}
region insreg cylinder z 15 ${yc} ${cyl_rad_inner} ${drum_height} ${boxz}
region insreg cylinder z 15 15 ${cyl_rad_inner} ${drum_height} ${boxz}
region insreg cylinder z 15 15 14.45 ${drum_height} ${boxz}
region insreg cylinder z 15 15 14.45 20 ${boxz}
region insreg cylinder z 15 15 14.45 20 50
fix 0 all balance 100 1.0 shift xy 5 1.1
fix 1 all nve/sphere
fix grav all gravity 10 vector 0 0 -1
fix ins1 all pour 2000 1 1234 region insreg diam range ${dlo} ${dhi} dens ${dens} ${dens}
fix ins1 all pour 2000 1 1234 region insreg diam range 0.5 ${dhi} dens ${dens} ${dens}
fix ins1 all pour 2000 1 1234 region insreg diam range 0.5 1 dens ${dens} ${dens}
fix ins1 all pour 2000 1 1234 region insreg diam range 0.5 1 dens 1 ${dens}
fix ins1 all pour 2000 1 1234 region insreg diam range 0.5 1 dens 1 1
Particle insertion: 9396 every 490 steps, 2000 by step 1
fix ins2 all pour 2000 2 1234 region insreg diam range ${dlo} ${dhi} dens ${dens} ${dens}
fix ins2 all pour 2000 2 1234 region insreg diam range 0.5 ${dhi} dens ${dens} ${dens}
fix ins2 all pour 2000 2 1234 region insreg diam range 0.5 1 dens ${dens} ${dens}
fix ins2 all pour 2000 2 1234 region insreg diam range 0.5 1 dens 1 ${dens}
fix ins2 all pour 2000 2 1234 region insreg diam range 0.5 1 dens 1 1
Particle insertion: 9396 every 490 steps, 2000 by step 1
comm_modify vel yes
neighbor ${skin} bin
neighbor 0.2 bin
neigh_modify delay 0 every 1 check yes
fix 3 all wall/gran/region granular hertz/material 1e5 0.1 0.3 tangential mindlin NULL 1.0 0.5 damping tsuji region curved_wall
fix 4 all wall/gran/region granular hertz/material 1e5 0.1 0.3 tangential mindlin NULL 1.0 0.5 damping tsuji region bottom_wall
thermo_style custom step atoms ke v_theta
thermo_modify lost warn
thermo 100
timestep 0.001
#dump 1 all custom 100 ${name}.dump id type radius mass x y z
#For removal later
compute 1 all property/atom radius
variable zmax atom z+c_1>0.5*${drum_height}
variable zmax atom z+c_1>0.5*20
group delgroup dynamic all var zmax every 10000
dynamic group delgroup defined
run 2000
Generated 0 of 1 mixed pair_coeff terms from geometric mixing rule
Neighbor list info ...
update: every = 1 steps, delay = 0 steps, check = yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 1.2
ghost atom cutoff = 1.2
binsize = 0.6, bins = 50 50 84
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair granular, perpetual
attributes: half, newton on, size, history
pair build: half/size/bin/newton
stencil: half/bin/3d
bin: standard
Per MPI rank memory allocation (min/avg/max) = 15.3 | 15.3 | 15.3 Mbytes
Step Atoms KinEng v_theta
0 0 -0 0
100 4000 -0 0
200 4000 -0 0
300 4000 -0 0
400 4000 -0 0
500 4000 -0 0
600 4000 -0 0
700 4000 -0 0
800 4000 -0 0
900 4000 -0 0
1000 4000 -0 0
1100 4000 -0 0
1200 4000 -0 0
1300 4000 -0 0
1400 4000 -0 0
1500 4000 -0 0
1600 4000 -0 0
1700 4000 -0 0
1800 4000 -0 0
1900 4000 -0 0
2000 4000 -0 0
Loop time of 0.744926 on 4 procs for 2000 steps with 4000 atoms
Performance: 231969.322 tau/day, 2684.830 timesteps/s, 10.739 Matom-step/s
98.1% CPU use with 4 MPI tasks x no OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.064917 | 0.069813 | 0.074844 | 1.7 | 9.37
Neigh | 0.15075 | 0.15915 | 0.1692 | 1.9 | 21.36
Comm | 0.11223 | 0.11821 | 0.12247 | 1.1 | 15.87
Output | 0.00030739 | 0.00036898 | 0.00046777 | 0.0 | 0.05
Modify | 0.36068 | 0.36657 | 0.37031 | 0.7 | 49.21
Other | | 0.03082 | | | 4.14
Nlocal: 1000 ave 1010 max 990 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Nghost: 285 ave 287 max 283 min
Histogram: 1 0 1 0 0 0 0 1 0 1
Neighs: 1714.25 ave 1764 max 1651 min
Histogram: 1 0 1 0 0 0 0 0 0 2
Total # of neighbors = 6857
Ave neighs/atom = 1.71425
Neighbor list builds = 1000
Dangerous builds = 0
#Remove any particles that are above z > 0.5*drum_height
delete_atoms group delgroup
Deleted 0 atoms, new total = 4000
#Add top lid
region top_wall plane ${xc} ${yc} ${drum_height} 0 0 -1 side in rotate v_theta ${xc} ${yc} 0 0 0 1
region top_wall plane 15 ${yc} ${drum_height} 0 0 -1 side in rotate v_theta ${xc} ${yc} 0 0 0 1
region top_wall plane 15 15 ${drum_height} 0 0 -1 side in rotate v_theta ${xc} ${yc} 0 0 0 1
region top_wall plane 15 15 20 0 0 -1 side in rotate v_theta ${xc} ${yc} 0 0 0 1
region top_wall plane 15 15 20 0 0 -1 side in rotate v_theta 15 ${yc} 0 0 0 1
region top_wall plane 15 15 20 0 0 -1 side in rotate v_theta 15 15 0 0 0 1
fix 5 all wall/gran/region granular hertz/material 1e5 0.1 0.3 tangential mindlin NULL 1.0 0.5 damping tsuji region top_wall
# 'Turn' drum by switching the direction of gravity
unfix grav
unfix ins1
unfix ins2
fix grav all gravity 10 vector 0 -1 0
variable theta equal 2*PI*elapsed/20000.0
run 3000
Generated 0 of 1 mixed pair_coeff terms from geometric mixing rule
Per MPI rank memory allocation (min/avg/max) = 21.6 | 21.6 | 21.6 Mbytes
Step Atoms KinEng v_theta
2000 4000 60.10546 0
2100 4000 47.274123 0.031415927
2200 4000 33.475582 0.062831853
2300 4000 24.083669 0.09424778
2400 4000 17.36351 0.12566371
2500 4000 18.576501 0.15707963
2600 4000 17.39 0.18849556
2700 4000 15.789254 0.21991149
2800 4000 14.08156 0.25132741
2900 4000 11.636681 0.28274334
3000 4000 8.9897685 0.31415927
3100 4000 7.0703519 0.34557519
3200 4000 6.0741809 0.37699112
3300 4000 5.8286097 0.40840704
3400 4000 6.059001 0.43982297
3500 4000 6.4310861 0.4712389
3600 4000 6.3957528 0.50265482
3700 4000 6.4858292 0.53407075
3800 4000 6.4685962 0.56548668
3900 4000 6.3469676 0.5969026
4000 4000 6.2808022 0.62831853
4100 4000 5.957048 0.65973446
4200 4000 5.5378951 0.69115038
4300 4000 4.8523264 0.72256631
4400 4000 4.2485239 0.75398224
4500 4000 3.7587486 0.78539816
4600 4000 3.327008 0.81681409
4700 4000 2.9421013 0.84823002
4800 4000 2.75247 0.87964594
4900 4000 2.5306332 0.91106187
5000 4000 2.352504 0.9424778
Loop time of 2.48704 on 4 procs for 3000 steps with 4000 atoms
Performance: 104220.238 tau/day, 1206.253 timesteps/s, 4.825 Matom-step/s
98.6% CPU use with 4 MPI tasks x no OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.51605 | 0.70407 | 0.86299 | 14.7 | 28.31
Neigh | 0.3522 | 0.42808 | 0.50041 | 8.0 | 17.21
Comm | 0.17318 | 0.42324 | 0.7046 | 29.0 | 17.02
Output | 0.00079725 | 0.0013956 | 0.002092 | 1.3 | 0.06
Modify | 0.68507 | 0.79676 | 0.90954 | 8.9 | 32.04
Other | | 0.1335 | | | 5.37
Nlocal: 1000 ave 1330 max 670 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Nghost: 525.5 ave 781 max 417 min
Histogram: 2 1 0 0 0 0 0 0 0 1
Neighs: 3243.75 ave 4460 max 2012 min
Histogram: 1 1 0 0 0 0 0 0 1 1
Total # of neighbors = 12975
Ave neighs/atom = 3.24375
Neighbor list builds = 1299
Dangerous builds = 129
Total wall time: 0:00:03

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LAMMPS (15 Sep 2022)
# pour two types of particles (cohesive and non-cohesive) on flat wall
variable name string pour_two_types
atom_style sphere
units lj
###############################################
# Geometry-related parameters
###############################################
variable boxx equal 20
variable boxy equal 20
variable boxz equal 30
variable xc1 equal 0.3*${boxx}
variable xc1 equal 0.3*20
variable xc2 equal 0.7*${boxx}
variable xc2 equal 0.7*20
variable yc equal 0.5*${boxy}
variable yc equal 0.5*20
###############################################
# Particle-related parameters
###############################################
variable rlo equal 0.25
variable rhi equal 0.5
variable dlo equal 2.0*${rlo}
variable dlo equal 2.0*0.25
variable dhi equal 2.0*${rhi}
variable dhi equal 2.0*0.5
variable dens equal 1.0
variable skin equal 0.3*${rhi}
variable skin equal 0.3*0.5
#############
processors * * 1
region boxreg block 0 ${boxx} 0 ${boxy} 0 ${boxz}
region boxreg block 0 20 0 ${boxy} 0 ${boxz}
region boxreg block 0 20 0 20 0 ${boxz}
region boxreg block 0 20 0 20 0 30
create_box 2 boxreg
Created orthogonal box = (0 0 0) to (20 20 30)
1 by 1 by 1 MPI processor grid
change_box all boundary p p f
Changing box ...
pair_style granular
pair_coeff 1 * jkr 1000.0 50.0 0.3 10 tangential mindlin 800.0 1.0 0.5 rolling sds 500.0 200.0 0.5 twisting marshall
pair_coeff 2 2 hertz 200.0 20.0 tangential linear_history 300.0 1.0 0.1 rolling sds 200.0 100.0 0.1 twisting marshall
comm_modify vel yes
region insreg1 cylinder z ${xc1} ${yc} 5 15 ${boxz}
region insreg1 cylinder z 6 ${yc} 5 15 ${boxz}
region insreg1 cylinder z 6 10 5 15 ${boxz}
region insreg1 cylinder z 6 10 5 15 30
region insreg2 cylinder z ${xc2} ${yc} 5 15 ${boxz}
region insreg2 cylinder z 14 ${yc} 5 15 ${boxz}
region insreg2 cylinder z 14 10 5 15 ${boxz}
region insreg2 cylinder z 14 10 5 15 30
fix 1 all nve/sphere
fix grav all gravity 10.0 vector 0 0 -1
fix ins1 all pour 1500 1 3123 region insreg1 diam range ${dlo} ${dhi} dens ${dens} ${dens}
fix ins1 all pour 1500 1 3123 region insreg1 diam range 0.5 ${dhi} dens ${dens} ${dens}
fix ins1 all pour 1500 1 3123 region insreg1 diam range 0.5 1 dens ${dens} ${dens}
fix ins1 all pour 1500 1 3123 region insreg1 diam range 0.5 1 dens 1 ${dens}
fix ins1 all pour 1500 1 3123 region insreg1 diam range 0.5 1 dens 1 1
Particle insertion: 562 every 346 steps, 1500 by step 693
fix ins2 all pour 1500 2 3123 region insreg2 diam range ${dlo} ${dhi} dens ${dens} ${dens}
fix ins2 all pour 1500 2 3123 region insreg2 diam range 0.5 ${dhi} dens ${dens} ${dens}
fix ins2 all pour 1500 2 3123 region insreg2 diam range 0.5 1 dens ${dens} ${dens}
fix ins2 all pour 1500 2 3123 region insreg2 diam range 0.5 1 dens 1 ${dens}
fix ins2 all pour 1500 2 3123 region insreg2 diam range 0.5 1 dens 1 1
Particle insertion: 562 every 346 steps, 1500 by step 693
neighbor ${skin} bin
neighbor 0.15 bin
neigh_modify delay 0 every 1 check yes
fix 3 all wall/gran granular hertz/material 1e5 1e3 0.3 tangential mindlin NULL 1.0 0.5 zplane 0 NULL
thermo_style custom step atoms ke
thermo_modify lost warn
thermo 100
timestep 0.001
#dump 1 all custom 100 ${name}.dump id type radius mass x y z
run 5000
Generated 0 of 1 mixed pair_coeff terms from geometric mixing rule
Neighbor list info ...
update: every = 1 steps, delay = 0 steps, check = yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 1.15
ghost atom cutoff = 1.15
binsize = 0.575, bins = 35 35 53
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair granular, perpetual
attributes: half, newton on, size, history
pair build: half/size/bin/newton
stencil: half/bin/3d
bin: standard
Per MPI rank memory allocation (min/avg/max) = 15.27 | 15.27 | 15.27 Mbytes
Step Atoms KinEng
0 0 -0
WARNING: Less insertions than requested (../fix_pour.cpp:681)
WARNING: Less insertions than requested (../fix_pour.cpp:681)
100 926 -0
200 926 -0
300 926 -0
WARNING: Less insertions than requested (../fix_pour.cpp:681)
WARNING: Less insertions than requested (../fix_pour.cpp:681)
400 1498 -0
500 1498 -0
600 1498 -0
WARNING: Less insertions than requested (../fix_pour.cpp:681)
WARNING: Less insertions than requested (../fix_pour.cpp:681)
700 2275 -0
800 2275 -0
900 2275 -0
1000 2275 -0
WARNING: Less insertions than requested (../fix_pour.cpp:681)
1100 2954 -0
1200 2954 -0
1300 2954 -0
1400 3000 -0
1500 3000 -0
1600 3000 -0
1700 3000 -0
1800 3000 -0
1900 3000 -0
2000 3000 -0
2100 3000 -0
2200 3000 -0
2300 3000 -0
2400 3000 -0
2500 3000 -0
2600 3000 -0
2700 3000 -0
2800 3000 -0
2900 3000 -0
3000 3000 -0
3100 3000 -0
3200 3000 -0
3300 3000 -0
3400 3000 -0
3500 3000 -0
3600 3000 -0
3700 3000 -0
3800 3000 -0
3900 3000 -0
4000 3000 -0
4100 3000 -0
4200 3000 -0
4300 3000 -0
4400 3000 -0
4500 3000 -0
4600 3000 -0
4700 3000 -0
4800 3000 -0
4900 3000 -0
5000 3000 -0
Loop time of 10.7721 on 1 procs for 5000 steps with 3000 atoms
Performance: 40103.467 tau/day, 464.160 timesteps/s, 1.392 Matom-step/s
99.5% CPU use with 1 MPI tasks x no OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 8.1117 | 8.1117 | 8.1117 | 0.0 | 75.30
Neigh | 1.2885 | 1.2885 | 1.2885 | 0.0 | 11.96
Comm | 0.059888 | 0.059888 | 0.059888 | 0.0 | 0.56
Output | 0.0011158 | 0.0011158 | 0.0011158 | 0.0 | 0.01
Modify | 1.2436 | 1.2436 | 1.2436 | 0.0 | 11.54
Other | | 0.06727 | | | 0.62
Nlocal: 3000 ave 3000 max 3000 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 471 ave 471 max 471 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 16713 ave 16713 max 16713 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 16713
Ave neighs/atom = 5.571
Neighbor list builds = 1102
Dangerous builds = 0
Total wall time: 0:00:10

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LAMMPS (15 Sep 2022)
# pour two types of particles (cohesive and non-cohesive) on flat wall
variable name string pour_two_types
atom_style sphere
units lj
###############################################
# Geometry-related parameters
###############################################
variable boxx equal 20
variable boxy equal 20
variable boxz equal 30
variable xc1 equal 0.3*${boxx}
variable xc1 equal 0.3*20
variable xc2 equal 0.7*${boxx}
variable xc2 equal 0.7*20
variable yc equal 0.5*${boxy}
variable yc equal 0.5*20
###############################################
# Particle-related parameters
###############################################
variable rlo equal 0.25
variable rhi equal 0.5
variable dlo equal 2.0*${rlo}
variable dlo equal 2.0*0.25
variable dhi equal 2.0*${rhi}
variable dhi equal 2.0*0.5
variable dens equal 1.0
variable skin equal 0.3*${rhi}
variable skin equal 0.3*0.5
#############
processors * * 1
region boxreg block 0 ${boxx} 0 ${boxy} 0 ${boxz}
region boxreg block 0 20 0 ${boxy} 0 ${boxz}
region boxreg block 0 20 0 20 0 ${boxz}
region boxreg block 0 20 0 20 0 30
create_box 2 boxreg
Created orthogonal box = (0 0 0) to (20 20 30)
2 by 2 by 1 MPI processor grid
change_box all boundary p p f
Changing box ...
pair_style granular
pair_coeff 1 * jkr 1000.0 50.0 0.3 10 tangential mindlin 800.0 1.0 0.5 rolling sds 500.0 200.0 0.5 twisting marshall
pair_coeff 2 2 hertz 200.0 20.0 tangential linear_history 300.0 1.0 0.1 rolling sds 200.0 100.0 0.1 twisting marshall
comm_modify vel yes
region insreg1 cylinder z ${xc1} ${yc} 5 15 ${boxz}
region insreg1 cylinder z 6 ${yc} 5 15 ${boxz}
region insreg1 cylinder z 6 10 5 15 ${boxz}
region insreg1 cylinder z 6 10 5 15 30
region insreg2 cylinder z ${xc2} ${yc} 5 15 ${boxz}
region insreg2 cylinder z 14 ${yc} 5 15 ${boxz}
region insreg2 cylinder z 14 10 5 15 ${boxz}
region insreg2 cylinder z 14 10 5 15 30
fix 1 all nve/sphere
fix grav all gravity 10.0 vector 0 0 -1
fix ins1 all pour 1500 1 3123 region insreg1 diam range ${dlo} ${dhi} dens ${dens} ${dens}
fix ins1 all pour 1500 1 3123 region insreg1 diam range 0.5 ${dhi} dens ${dens} ${dens}
fix ins1 all pour 1500 1 3123 region insreg1 diam range 0.5 1 dens ${dens} ${dens}
fix ins1 all pour 1500 1 3123 region insreg1 diam range 0.5 1 dens 1 ${dens}
fix ins1 all pour 1500 1 3123 region insreg1 diam range 0.5 1 dens 1 1
Particle insertion: 562 every 346 steps, 1500 by step 693
fix ins2 all pour 1500 2 3123 region insreg2 diam range ${dlo} ${dhi} dens ${dens} ${dens}
fix ins2 all pour 1500 2 3123 region insreg2 diam range 0.5 ${dhi} dens ${dens} ${dens}
fix ins2 all pour 1500 2 3123 region insreg2 diam range 0.5 1 dens ${dens} ${dens}
fix ins2 all pour 1500 2 3123 region insreg2 diam range 0.5 1 dens 1 ${dens}
fix ins2 all pour 1500 2 3123 region insreg2 diam range 0.5 1 dens 1 1
Particle insertion: 562 every 346 steps, 1500 by step 693
neighbor ${skin} bin
neighbor 0.15 bin
neigh_modify delay 0 every 1 check yes
fix 3 all wall/gran granular hertz/material 1e5 1e3 0.3 tangential mindlin NULL 1.0 0.5 zplane 0 NULL
thermo_style custom step atoms ke
thermo_modify lost warn
thermo 100
timestep 0.001
#dump 1 all custom 100 ${name}.dump id type radius mass x y z
run 5000
Generated 0 of 1 mixed pair_coeff terms from geometric mixing rule
Neighbor list info ...
update: every = 1 steps, delay = 0 steps, check = yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 1.15
ghost atom cutoff = 1.15
binsize = 0.575, bins = 35 35 53
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair granular, perpetual
attributes: half, newton on, size, history
pair build: half/size/bin/newton
stencil: half/bin/3d
bin: standard
Per MPI rank memory allocation (min/avg/max) = 15.04 | 15.04 | 15.04 Mbytes
Step Atoms KinEng
0 0 -0
WARNING: Less insertions than requested (../fix_pour.cpp:681)
WARNING: Less insertions than requested (../fix_pour.cpp:681)
100 926 -0
200 926 -0
300 926 -0
WARNING: Less insertions than requested (../fix_pour.cpp:681)
WARNING: Less insertions than requested (../fix_pour.cpp:681)
400 1498 -0
500 1498 -0
600 1498 -0
WARNING: Less insertions than requested (../fix_pour.cpp:681)
WARNING: Less insertions than requested (../fix_pour.cpp:681)
700 2275 -0
800 2275 -0
900 2275 -0
1000 2275 -0
WARNING: Less insertions than requested (../fix_pour.cpp:681)
1100 2954 -0
1200 2954 -0
1300 2954 -0
1400 3000 -0
1500 3000 -0
1600 3000 -0
1700 3000 -0
1800 3000 -0
1900 3000 -0
2000 3000 -0
2100 3000 -0
2200 3000 -0
2300 3000 -0
2400 3000 -0
2500 3000 -0
2600 3000 -0
2700 3000 -0
2800 3000 -0
2900 3000 -0
3000 3000 -0
3100 3000 -0
3200 3000 -0
3300 3000 -0
3400 3000 -0
3500 3000 -0
3600 3000 -0
3700 3000 -0
3800 3000 -0
3900 3000 -0
4000 3000 -0
4100 3000 -0
4200 3000 -0
4300 3000 -0
4400 3000 -0
4500 3000 -0
4600 3000 -0
4700 3000 -0
4800 3000 -0
4900 3000 -0
5000 3000 -0
Loop time of 4.06277 on 4 procs for 5000 steps with 3000 atoms
Performance: 106331.276 tau/day, 1230.686 timesteps/s, 3.692 Matom-step/s
98.7% CPU use with 4 MPI tasks x no OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.85426 | 1.7801 | 2.7631 | 64.4 | 43.82
Neigh | 0.18775 | 0.25657 | 0.3279 | 11.5 | 6.32
Comm | 0.23605 | 1.3334 | 2.3703 | 81.6 | 32.82
Output | 0.00059456 | 0.0008165 | 0.0012002 | 0.0 | 0.02
Modify | 0.59336 | 0.64066 | 0.6864 | 4.3 | 15.77
Other | | 0.05122 | | | 1.26
Nlocal: 750 ave 1032 max 463 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Nghost: 426.5 ave 482 max 375 min
Histogram: 1 1 0 0 0 0 0 1 0 1
Neighs: 4164.25 ave 6310 max 1941 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Total # of neighbors = 16657
Ave neighs/atom = 5.5523333
Neighbor list builds = 1114
Dangerous builds = 0
Total wall time: 0:00:04

File diff suppressed because it is too large Load Diff

File diff suppressed because it is too large Load Diff

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@ -1,271 +0,0 @@
LAMMPS (29 Oct 2020)
using 1 OpenMP thread(s) per MPI task
# pour two types of particles (cohesive and non-cohesive) into cylinder
# 'turn' cylinder by changing direction of gravity, then rotate it.
# This simulates a rotating drum powder characterization experiment.
variable name string rotating_drum_two_types
atom_style sphere
units lj
###############################################
# Geometry-related parameters
###############################################
variable boxx equal 30
variable boxy equal 30
variable boxz equal 50
variable drum_rad equal ${boxx}*0.5
variable drum_rad equal 30*0.5
variable drum_height equal 20
variable xc equal 0.5*${boxx}
variable xc equal 0.5*30
variable yc equal 0.5*${boxx}
variable yc equal 0.5*30
variable zc equal 0.5*${boxz}
variable zc equal 0.5*50
###############################################
# Particle-related parameters
###############################################
variable rlo equal 0.25
variable rhi equal 0.5
variable dlo equal 2.0*${rlo}
variable dlo equal 2.0*0.25
variable dhi equal 2.0*${rhi}
variable dhi equal 2.0*0.5
variable cyl_rad_inner equal ${drum_rad}-1.1*${rhi}
variable cyl_rad_inner equal 15-1.1*${rhi}
variable cyl_rad_inner equal 15-1.1*0.5
variable dens equal 1.0
variable skin equal 0.4*${rhi}
variable skin equal 0.4*0.5
#############
processors * * 1
region boxreg block 0 ${boxx} 0 ${boxy} 0 ${boxz}
region boxreg block 0 30 0 ${boxy} 0 ${boxz}
region boxreg block 0 30 0 30 0 ${boxz}
region boxreg block 0 30 0 30 0 50
create_box 2 boxreg
Created orthogonal box = (0.0000000 0.0000000 0.0000000) to (30.000000 30.000000 50.000000)
1 by 1 by 1 MPI processor grid
change_box all boundary p p f
Changing box ...
pair_style granular
pair_coeff 1 * hertz/material 1e5 0.2 0.3 tangential mindlin NULL 1.0 0.5 damping tsuji
pair_coeff 2 2 jkr 1e5 0.1 0.3 50 tangential mindlin NULL 1.0 0.5 rolling sds 1e3 1e3 0.1 twisting marshall damping tsuji
variable theta equal 0
region curved_wall cylinder z ${xc} ${yc} ${drum_rad} 0 ${drum_height} side in rotate v_theta ${xc} ${yc} 0 0 0 1
region curved_wall cylinder z 15 ${yc} ${drum_rad} 0 ${drum_height} side in rotate v_theta ${xc} ${yc} 0 0 0 1
region curved_wall cylinder z 15 15 ${drum_rad} 0 ${drum_height} side in rotate v_theta ${xc} ${yc} 0 0 0 1
region curved_wall cylinder z 15 15 15 0 ${drum_height} side in rotate v_theta ${xc} ${yc} 0 0 0 1
region curved_wall cylinder z 15 15 15 0 20 side in rotate v_theta ${xc} ${yc} 0 0 0 1
region curved_wall cylinder z 15 15 15 0 20 side in rotate v_theta 15 ${yc} 0 0 0 1
region curved_wall cylinder z 15 15 15 0 20 side in rotate v_theta 15 15 0 0 0 1
region bottom_wall plane ${xc} ${yc} 0 0 0 1 side in rotate v_theta ${xc} ${yc} 0 0 0 1
region bottom_wall plane 15 ${yc} 0 0 0 1 side in rotate v_theta ${xc} ${yc} 0 0 0 1
region bottom_wall plane 15 15 0 0 0 1 side in rotate v_theta ${xc} ${yc} 0 0 0 1
region bottom_wall plane 15 15 0 0 0 1 side in rotate v_theta 15 ${yc} 0 0 0 1
region bottom_wall plane 15 15 0 0 0 1 side in rotate v_theta 15 15 0 0 0 1
region insreg cylinder z ${xc} ${yc} ${cyl_rad_inner} ${drum_height} ${boxz}
region insreg cylinder z 15 ${yc} ${cyl_rad_inner} ${drum_height} ${boxz}
region insreg cylinder z 15 15 ${cyl_rad_inner} ${drum_height} ${boxz}
region insreg cylinder z 15 15 14.45 ${drum_height} ${boxz}
region insreg cylinder z 15 15 14.45 20 ${boxz}
region insreg cylinder z 15 15 14.45 20 50
fix 0 all balance 100 1.0 shift xy 5 1.1
fix 1 all nve/sphere
fix grav all gravity 10 vector 0 0 -1
fix ins1 all pour 2000 1 1234 region insreg diam range ${dlo} ${dhi} dens ${dens} ${dens}
fix ins1 all pour 2000 1 1234 region insreg diam range 0.5 ${dhi} dens ${dens} ${dens}
fix ins1 all pour 2000 1 1234 region insreg diam range 0.5 1 dens ${dens} ${dens}
fix ins1 all pour 2000 1 1234 region insreg diam range 0.5 1 dens 1 ${dens}
fix ins1 all pour 2000 1 1234 region insreg diam range 0.5 1 dens 1 1
Particle insertion: 9396 every 490 steps, 2000 by step 1
fix ins2 all pour 2000 2 1234 region insreg diam range ${dlo} ${dhi} dens ${dens} ${dens}
fix ins2 all pour 2000 2 1234 region insreg diam range 0.5 ${dhi} dens ${dens} ${dens}
fix ins2 all pour 2000 2 1234 region insreg diam range 0.5 1 dens ${dens} ${dens}
fix ins2 all pour 2000 2 1234 region insreg diam range 0.5 1 dens 1 ${dens}
fix ins2 all pour 2000 2 1234 region insreg diam range 0.5 1 dens 1 1
Particle insertion: 9396 every 490 steps, 2000 by step 1
comm_modify vel yes
neighbor ${skin} bin
neighbor 0.2 bin
neigh_modify delay 0 every 1 check yes
fix 3 all wall/gran/region granular hertz/material 1e5 0.1 0.3 tangential mindlin NULL 1.0 0.5 damping tsuji region curved_wall
fix 4 all wall/gran/region granular hertz/material 1e5 0.1 0.3 tangential mindlin NULL 1.0 0.5 damping tsuji region bottom_wall
thermo_style custom step atoms ke v_theta
thermo_modify lost warn
thermo 100
timestep 0.001
#dump 1 all custom 100 ${name}.dump id type radius mass x y z
#For removal later
compute 1 all property/atom radius
variable zmax atom z+c_1>0.5*${drum_height}
variable zmax atom z+c_1>0.5*20
group delgroup dynamic all var zmax every 10000
dynamic group delgroup defined
run 2000
Neighbor list info ...
update every 1 steps, delay 0 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 1.2
ghost atom cutoff = 1.2
binsize = 0.6, bins = 50 50 84
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair granular, perpetual
attributes: half, newton on, size, history
pair build: half/size/bin/newton
stencil: half/bin/3d/newton
bin: standard
Per MPI rank memory allocation (min/avg/max) = 13.03 | 13.03 | 13.03 Mbytes
Step Atoms KinEng v_theta
0 0 -0 0
100 4000 -0 0
200 4000 -0 0
300 4000 -0 0
400 4000 -0 0
500 4000 -0 0
600 4000 -0 0
700 4000 -0 0
800 4000 -0 0
900 4000 -0 0
1000 4000 -0 0
1100 4000 -0 0
1200 4000 -0 0
1300 4000 -0 0
1400 4000 -0 0
1500 4000 -0 0
1600 4000 -0 0
1700 4000 -0 0
1800 4000 -0 0
1900 4000 -0 0
2000 4000 -0 0
Loop time of 10.5178 on 1 procs for 2000 steps with 4000 atoms
Performance: 16429.309 tau/day, 190.154 timesteps/s
99.8% CPU use with 1 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 1.0701 | 1.0701 | 1.0701 | 0.0 | 10.17
Neigh | 4.2135 | 4.2135 | 4.2135 | 0.0 | 40.06
Comm | 0.38276 | 0.38276 | 0.38276 | 0.0 | 3.64
Output | 0.0013647 | 0.0013647 | 0.0013647 | 0.0 | 0.01
Modify | 4.7076 | 4.7076 | 4.7076 | 0.0 | 44.76
Other | | 0.1424 | | | 1.35
Nlocal: 4000.00 ave 4000 max 4000 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 171.000 ave 171 max 171 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 8093.00 ave 8093 max 8093 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 8093
Ave neighs/atom = 2.0232500
Neighbor list builds = 1004
Dangerous builds = 4
#Remove any particles that are above z > 0.5*drum_height
delete_atoms group delgroup
Deleted 0 atoms, new total = 4000
#Add top lid
region top_wall plane ${xc} ${yc} ${drum_height} 0 0 -1 side in rotate v_theta ${xc} ${yc} 0 0 0 1
region top_wall plane 15 ${yc} ${drum_height} 0 0 -1 side in rotate v_theta ${xc} ${yc} 0 0 0 1
region top_wall plane 15 15 ${drum_height} 0 0 -1 side in rotate v_theta ${xc} ${yc} 0 0 0 1
region top_wall plane 15 15 20 0 0 -1 side in rotate v_theta ${xc} ${yc} 0 0 0 1
region top_wall plane 15 15 20 0 0 -1 side in rotate v_theta 15 ${yc} 0 0 0 1
region top_wall plane 15 15 20 0 0 -1 side in rotate v_theta 15 15 0 0 0 1
fix 5 all wall/gran/region granular hertz/material 1e5 0.1 0.3 tangential mindlin NULL 1.0 0.5 damping tsuji region top_wall
# 'Turn' drum by switching the direction of gravity
unfix grav
unfix ins1
unfix ins2
fix grav all gravity 10 vector 0 -1 0
variable theta equal 2*PI*elapsed/20000.0
run 3000
Per MPI rank memory allocation (min/avg/max) = 19.37 | 19.37 | 19.37 Mbytes
Step Atoms KinEng v_theta
2000 4000 65.647582 0
2100 4000 105.60001 0.031415927
2200 4000 112.27573 0.062831853
2300 4000 92.758671 0.09424778
2400 4000 88.925835 0.12566371
2500 4000 81.369163 0.15707963
2600 4000 32.046943 0.18849556
2700 4000 4.1926368 0.21991149
2800 4000 3.9933453 0.25132741
2900 4000 4.5062193 0.28274334
3000 4000 5.3409521 0.31415927
3100 4000 6.0165991 0.34557519
3200 4000 6.606767 0.37699112
3300 4000 7.3997751 0.40840704
3400 4000 8.1098807 0.43982297
3500 4000 8.6552424 0.4712389
3600 4000 9.8445204 0.50265482
3700 4000 10.098753 0.53407075
3800 4000 10.039489 0.56548668
3900 4000 9.6376278 0.5969026
4000 4000 9.2598836 0.62831853
4100 4000 8.7116037 0.65973446
4200 4000 8.1274117 0.69115038
4300 4000 7.1487627 0.72256631
4400 4000 6.2253778 0.75398224
4500 4000 5.3061398 0.78539816
4600 4000 4.4319316 0.81681409
4700 4000 4.205607 0.84823002
4800 4000 3.2112987 0.87964594
4900 4000 2.6449777 0.91106187
5000 4000 2.3475497 0.9424778
Loop time of 32.4926 on 1 procs for 3000 steps with 4000 atoms
Performance: 7977.205 tau/day, 92.329 timesteps/s
99.9% CPU use with 1 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 8.0124 | 8.0124 | 8.0124 | 0.0 | 24.66
Neigh | 10.993 | 10.993 | 10.993 | 0.0 | 33.83
Comm | 0.86697 | 0.86697 | 0.86697 | 0.0 | 2.67
Output | 0.0021827 | 0.0021827 | 0.0021827 | 0.0 | 0.01
Modify | 12.367 | 12.367 | 12.367 | 0.0 | 38.06
Other | | 0.2515 | | | 0.77
Nlocal: 4000.00 ave 4000 max 4000 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 318.000 ave 318 max 318 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 14807.0 ave 14807 max 14807 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 14807
Ave neighs/atom = 3.7017500
Neighbor list builds = 2189
Dangerous builds = 1536
Total wall time: 0:00:43

View File

@ -1,271 +0,0 @@
LAMMPS (29 Oct 2020)
using 1 OpenMP thread(s) per MPI task
# pour two types of particles (cohesive and non-cohesive) into cylinder
# 'turn' cylinder by changing direction of gravity, then rotate it.
# This simulates a rotating drum powder characterization experiment.
variable name string rotating_drum_two_types
atom_style sphere
units lj
###############################################
# Geometry-related parameters
###############################################
variable boxx equal 30
variable boxy equal 30
variable boxz equal 50
variable drum_rad equal ${boxx}*0.5
variable drum_rad equal 30*0.5
variable drum_height equal 20
variable xc equal 0.5*${boxx}
variable xc equal 0.5*30
variable yc equal 0.5*${boxx}
variable yc equal 0.5*30
variable zc equal 0.5*${boxz}
variable zc equal 0.5*50
###############################################
# Particle-related parameters
###############################################
variable rlo equal 0.25
variable rhi equal 0.5
variable dlo equal 2.0*${rlo}
variable dlo equal 2.0*0.25
variable dhi equal 2.0*${rhi}
variable dhi equal 2.0*0.5
variable cyl_rad_inner equal ${drum_rad}-1.1*${rhi}
variable cyl_rad_inner equal 15-1.1*${rhi}
variable cyl_rad_inner equal 15-1.1*0.5
variable dens equal 1.0
variable skin equal 0.4*${rhi}
variable skin equal 0.4*0.5
#############
processors * * 1
region boxreg block 0 ${boxx} 0 ${boxy} 0 ${boxz}
region boxreg block 0 30 0 ${boxy} 0 ${boxz}
region boxreg block 0 30 0 30 0 ${boxz}
region boxreg block 0 30 0 30 0 50
create_box 2 boxreg
Created orthogonal box = (0.0000000 0.0000000 0.0000000) to (30.000000 30.000000 50.000000)
2 by 2 by 1 MPI processor grid
change_box all boundary p p f
Changing box ...
pair_style granular
pair_coeff 1 * hertz/material 1e5 0.2 0.3 tangential mindlin NULL 1.0 0.5 damping tsuji
pair_coeff 2 2 jkr 1e5 0.1 0.3 50 tangential mindlin NULL 1.0 0.5 rolling sds 1e3 1e3 0.1 twisting marshall damping tsuji
variable theta equal 0
region curved_wall cylinder z ${xc} ${yc} ${drum_rad} 0 ${drum_height} side in rotate v_theta ${xc} ${yc} 0 0 0 1
region curved_wall cylinder z 15 ${yc} ${drum_rad} 0 ${drum_height} side in rotate v_theta ${xc} ${yc} 0 0 0 1
region curved_wall cylinder z 15 15 ${drum_rad} 0 ${drum_height} side in rotate v_theta ${xc} ${yc} 0 0 0 1
region curved_wall cylinder z 15 15 15 0 ${drum_height} side in rotate v_theta ${xc} ${yc} 0 0 0 1
region curved_wall cylinder z 15 15 15 0 20 side in rotate v_theta ${xc} ${yc} 0 0 0 1
region curved_wall cylinder z 15 15 15 0 20 side in rotate v_theta 15 ${yc} 0 0 0 1
region curved_wall cylinder z 15 15 15 0 20 side in rotate v_theta 15 15 0 0 0 1
region bottom_wall plane ${xc} ${yc} 0 0 0 1 side in rotate v_theta ${xc} ${yc} 0 0 0 1
region bottom_wall plane 15 ${yc} 0 0 0 1 side in rotate v_theta ${xc} ${yc} 0 0 0 1
region bottom_wall plane 15 15 0 0 0 1 side in rotate v_theta ${xc} ${yc} 0 0 0 1
region bottom_wall plane 15 15 0 0 0 1 side in rotate v_theta 15 ${yc} 0 0 0 1
region bottom_wall plane 15 15 0 0 0 1 side in rotate v_theta 15 15 0 0 0 1
region insreg cylinder z ${xc} ${yc} ${cyl_rad_inner} ${drum_height} ${boxz}
region insreg cylinder z 15 ${yc} ${cyl_rad_inner} ${drum_height} ${boxz}
region insreg cylinder z 15 15 ${cyl_rad_inner} ${drum_height} ${boxz}
region insreg cylinder z 15 15 14.45 ${drum_height} ${boxz}
region insreg cylinder z 15 15 14.45 20 ${boxz}
region insreg cylinder z 15 15 14.45 20 50
fix 0 all balance 100 1.0 shift xy 5 1.1
fix 1 all nve/sphere
fix grav all gravity 10 vector 0 0 -1
fix ins1 all pour 2000 1 1234 region insreg diam range ${dlo} ${dhi} dens ${dens} ${dens}
fix ins1 all pour 2000 1 1234 region insreg diam range 0.5 ${dhi} dens ${dens} ${dens}
fix ins1 all pour 2000 1 1234 region insreg diam range 0.5 1 dens ${dens} ${dens}
fix ins1 all pour 2000 1 1234 region insreg diam range 0.5 1 dens 1 ${dens}
fix ins1 all pour 2000 1 1234 region insreg diam range 0.5 1 dens 1 1
Particle insertion: 9396 every 490 steps, 2000 by step 1
fix ins2 all pour 2000 2 1234 region insreg diam range ${dlo} ${dhi} dens ${dens} ${dens}
fix ins2 all pour 2000 2 1234 region insreg diam range 0.5 ${dhi} dens ${dens} ${dens}
fix ins2 all pour 2000 2 1234 region insreg diam range 0.5 1 dens ${dens} ${dens}
fix ins2 all pour 2000 2 1234 region insreg diam range 0.5 1 dens 1 ${dens}
fix ins2 all pour 2000 2 1234 region insreg diam range 0.5 1 dens 1 1
Particle insertion: 9396 every 490 steps, 2000 by step 1
comm_modify vel yes
neighbor ${skin} bin
neighbor 0.2 bin
neigh_modify delay 0 every 1 check yes
fix 3 all wall/gran/region granular hertz/material 1e5 0.1 0.3 tangential mindlin NULL 1.0 0.5 damping tsuji region curved_wall
fix 4 all wall/gran/region granular hertz/material 1e5 0.1 0.3 tangential mindlin NULL 1.0 0.5 damping tsuji region bottom_wall
thermo_style custom step atoms ke v_theta
thermo_modify lost warn
thermo 100
timestep 0.001
#dump 1 all custom 100 ${name}.dump id type radius mass x y z
#For removal later
compute 1 all property/atom radius
variable zmax atom z+c_1>0.5*${drum_height}
variable zmax atom z+c_1>0.5*20
group delgroup dynamic all var zmax every 10000
dynamic group delgroup defined
run 2000
Neighbor list info ...
update every 1 steps, delay 0 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 1.2
ghost atom cutoff = 1.2
binsize = 0.6, bins = 50 50 84
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair granular, perpetual
attributes: half, newton on, size, history
pair build: half/size/bin/newton
stencil: half/bin/3d/newton
bin: standard
Per MPI rank memory allocation (min/avg/max) = 12.25 | 12.25 | 12.25 Mbytes
Step Atoms KinEng v_theta
0 0 -0 0
100 4000 -0 0
200 4000 -0 0
300 4000 -0 0
400 4000 -0 0
500 4000 -0 0
600 4000 -0 0
700 4000 -0 0
800 4000 -0 0
900 4000 -0 0
1000 4000 -0 0
1100 4000 -0 0
1200 4000 -0 0
1300 4000 -0 0
1400 4000 -0 0
1500 4000 -0 0
1600 4000 -0 0
1700 4000 -0 0
1800 4000 -0 0
1900 4000 -0 0
2000 4000 -0 0
Loop time of 3.86825 on 4 procs for 2000 steps with 4000 atoms
Performance: 44671.398 tau/day, 517.030 timesteps/s
96.7% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 0.26114 | 0.27918 | 0.28728 | 2.0 | 7.22
Neigh | 1.2044 | 1.2414 | 1.3105 | 3.7 | 32.09
Comm | 0.38592 | 0.47065 | 0.51052 | 7.4 | 12.17
Output | 0.0007236 | 0.0013456 | 0.0024846 | 1.8 | 0.03
Modify | 1.6217 | 1.6723 | 1.7801 | 5.0 | 43.23
Other | | 0.2034 | | | 5.26
Nlocal: 1000.00 ave 1012 max 988 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Nghost: 269.250 ave 278 max 256 min
Histogram: 1 0 0 0 0 0 1 1 0 1
Neighs: 2060.50 ave 2156 max 1921 min
Histogram: 1 0 0 1 0 0 0 0 0 2
Total # of neighbors = 8242
Ave neighs/atom = 2.0605000
Neighbor list builds = 1004
Dangerous builds = 4
#Remove any particles that are above z > 0.5*drum_height
delete_atoms group delgroup
Deleted 0 atoms, new total = 4000
#Add top lid
region top_wall plane ${xc} ${yc} ${drum_height} 0 0 -1 side in rotate v_theta ${xc} ${yc} 0 0 0 1
region top_wall plane 15 ${yc} ${drum_height} 0 0 -1 side in rotate v_theta ${xc} ${yc} 0 0 0 1
region top_wall plane 15 15 ${drum_height} 0 0 -1 side in rotate v_theta ${xc} ${yc} 0 0 0 1
region top_wall plane 15 15 20 0 0 -1 side in rotate v_theta ${xc} ${yc} 0 0 0 1
region top_wall plane 15 15 20 0 0 -1 side in rotate v_theta 15 ${yc} 0 0 0 1
region top_wall plane 15 15 20 0 0 -1 side in rotate v_theta 15 15 0 0 0 1
fix 5 all wall/gran/region granular hertz/material 1e5 0.1 0.3 tangential mindlin NULL 1.0 0.5 damping tsuji region top_wall
# 'Turn' drum by switching the direction of gravity
unfix grav
unfix ins1
unfix ins2
fix grav all gravity 10 vector 0 -1 0
variable theta equal 2*PI*elapsed/20000.0
run 3000
Per MPI rank memory allocation (min/avg/max) = 18.55 | 18.55 | 18.55 Mbytes
Step Atoms KinEng v_theta
2000 4000 65.819213 0
2100 4000 105.02389 0.031415927
2200 4000 112.02469 0.062831853
2300 4000 92.271262 0.09424778
2400 4000 89.369506 0.12566371
2500 4000 80.910925 0.15707963
2600 4000 31.620722 0.18849556
2700 4000 4.3019937 0.21991149
2800 4000 3.9913967 0.25132741
2900 4000 4.5203726 0.28274334
3000 4000 5.484886 0.31415927
3100 4000 6.1085958 0.34557519
3200 4000 6.7085635 0.37699112
3300 4000 7.4787777 0.40840704
3400 4000 8.2116413 0.43982297
3500 4000 8.7979302 0.4712389
3600 4000 9.871649 0.50265482
3700 4000 10.012426 0.53407075
3800 4000 9.9067754 0.56548668
3900 4000 9.725458 0.5969026
4000 4000 9.3350056 0.62831853
4100 4000 8.8337295 0.65973446
4200 4000 8.2712493 0.69115038
4300 4000 6.9609934 0.72256631
4400 4000 6.0120294 0.75398224
4500 4000 5.0490036 0.78539816
4600 4000 4.2796544 0.81681409
4700 4000 4.1736483 0.84823002
4800 4000 3.0860106 0.87964594
4900 4000 2.6670909 0.91106187
5000 4000 2.2901814 0.9424778
Loop time of 10.7627 on 4 procs for 3000 steps with 4000 atoms
Performance: 24083.252 tau/day, 278.741 timesteps/s
97.9% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 1.6731 | 2.0701 | 2.3327 | 18.9 | 19.23
Neigh | 2.7389 | 3.1706 | 3.5146 | 15.7 | 29.46
Comm | 0.93507 | 1.5441 | 2.1182 | 39.1 | 14.35
Output | 0.0021682 | 0.0044412 | 0.006026 | 2.2 | 0.04
Modify | 3.0031 | 3.4223 | 3.9262 | 18.3 | 31.80
Other | | 0.5511 | | | 5.12
Nlocal: 1000.00 ave 1277 max 723 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Nghost: 569.750 ave 809 max 454 min
Histogram: 1 2 0 0 0 0 0 0 0 1
Neighs: 3690.50 ave 4937 max 2426 min
Histogram: 1 1 0 0 0 0 0 0 0 2
Total # of neighbors = 14762
Ave neighs/atom = 3.6905000
Neighbor list builds = 2187
Dangerous builds = 1610
Total wall time: 0:00:14

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@ -1,188 +0,0 @@
LAMMPS (29 Oct 2020)
using 1 OpenMP thread(s) per MPI task
# pour two types of particles (cohesive and non-cohesive) on flat wall
variable name string pour_two_types
atom_style sphere
units lj
###############################################
# Geometry-related parameters
###############################################
variable boxx equal 20
variable boxy equal 20
variable boxz equal 30
variable xc1 equal 0.3*${boxx}
variable xc1 equal 0.3*20
variable xc2 equal 0.7*${boxx}
variable xc2 equal 0.7*20
variable yc equal 0.5*${boxy}
variable yc equal 0.5*20
###############################################
# Particle-related parameters
###############################################
variable rlo equal 0.25
variable rhi equal 0.5
variable dlo equal 2.0*${rlo}
variable dlo equal 2.0*0.25
variable dhi equal 2.0*${rhi}
variable dhi equal 2.0*0.5
variable dens equal 1.0
variable skin equal 0.3*${rhi}
variable skin equal 0.3*0.5
#############
processors * * 1
region boxreg block 0 ${boxx} 0 ${boxy} 0 ${boxz}
region boxreg block 0 20 0 ${boxy} 0 ${boxz}
region boxreg block 0 20 0 20 0 ${boxz}
region boxreg block 0 20 0 20 0 30
create_box 2 boxreg
Created orthogonal box = (0.0000000 0.0000000 0.0000000) to (20.000000 20.000000 30.000000)
1 by 1 by 1 MPI processor grid
change_box all boundary p p f
Changing box ...
pair_style granular
pair_coeff 1 * jkr 1000.0 50.0 0.3 10 tangential mindlin 800.0 1.0 0.5 rolling sds 500.0 200.0 0.5 twisting marshall
pair_coeff 2 2 hertz 200.0 20.0 tangential linear_history 300.0 1.0 0.1 rolling sds 200.0 100.0 0.1 twisting marshall
comm_modify vel yes
region insreg1 cylinder z ${xc1} ${yc} 5 15 ${boxz}
region insreg1 cylinder z 6 ${yc} 5 15 ${boxz}
region insreg1 cylinder z 6 10 5 15 ${boxz}
region insreg1 cylinder z 6 10 5 15 30
region insreg2 cylinder z ${xc2} ${yc} 5 15 ${boxz}
region insreg2 cylinder z 14 ${yc} 5 15 ${boxz}
region insreg2 cylinder z 14 10 5 15 ${boxz}
region insreg2 cylinder z 14 10 5 15 30
fix 1 all nve/sphere
fix grav all gravity 10.0 vector 0 0 -1
fix ins1 all pour 1500 1 3123 region insreg1 diam range ${dlo} ${dhi} dens ${dens} ${dens}
fix ins1 all pour 1500 1 3123 region insreg1 diam range 0.5 ${dhi} dens ${dens} ${dens}
fix ins1 all pour 1500 1 3123 region insreg1 diam range 0.5 1 dens ${dens} ${dens}
fix ins1 all pour 1500 1 3123 region insreg1 diam range 0.5 1 dens 1 ${dens}
fix ins1 all pour 1500 1 3123 region insreg1 diam range 0.5 1 dens 1 1
Particle insertion: 562 every 346 steps, 1500 by step 693
fix ins2 all pour 1500 2 3123 region insreg2 diam range ${dlo} ${dhi} dens ${dens} ${dens}
fix ins2 all pour 1500 2 3123 region insreg2 diam range 0.5 ${dhi} dens ${dens} ${dens}
fix ins2 all pour 1500 2 3123 region insreg2 diam range 0.5 1 dens ${dens} ${dens}
fix ins2 all pour 1500 2 3123 region insreg2 diam range 0.5 1 dens 1 ${dens}
fix ins2 all pour 1500 2 3123 region insreg2 diam range 0.5 1 dens 1 1
Particle insertion: 562 every 346 steps, 1500 by step 693
neighbor ${skin} bin
neighbor 0.15 bin
neigh_modify delay 0 every 1 check yes
fix 3 all wall/gran granular hertz/material 1e5 1e3 0.3 tangential mindlin NULL 1.0 0.5 zplane 0 NULL
thermo_style custom step atoms ke
thermo_modify lost warn
thermo 100
timestep 0.001
#dump 1 all custom 100 ${name}.dump id type radius mass x y z
run 5000
Neighbor list info ...
update every 1 steps, delay 0 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 1.15
ghost atom cutoff = 1.15
binsize = 0.575, bins = 35 35 53
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair granular, perpetual
attributes: half, newton on, size, history
pair build: half/size/bin/newton
stencil: half/bin/3d/newton
bin: standard
Per MPI rank memory allocation (min/avg/max) = 12.22 | 12.22 | 12.22 Mbytes
Step Atoms KinEng
0 0 -0
100 926 -0
200 926 -0
300 926 -0
400 1498 -0
500 1498 -0
600 1498 -0
700 2275 -0
800 2275 -0
900 2275 -0
1000 2275 -0
1100 2954 -0
1200 2954 -0
1300 2954 -0
1400 3000 -0
1500 3000 -0
1600 3000 -0
1700 3000 -0
1800 3000 -0
1900 3000 -0
2000 3000 -0
2100 3000 -0
2200 3000 -0
2300 3000 -0
2400 3000 -0
2500 3000 -0
2600 3000 -0
2700 3000 -0
2800 3000 -0
2900 3000 -0
3000 3000 -0
3100 3000 -0
3200 3000 -0
3300 3000 -0
3400 3000 -0
3500 3000 -0
3600 3000 -0
3700 3000 -0
3800 3000 -0
3900 3000 -0
4000 3000 -0
4100 3000 -0
4200 3000 -0
4300 3000 -0
4400 3000 -0
4500 3000 -0
4600 3000 -0
4700 3000 -0
4800 3000 -0
4900 3000 -0
5000 3000 -0
Loop time of 24.3889 on 1 procs for 5000 steps with 3000 atoms
Performance: 17713.003 tau/day, 205.012 timesteps/s
99.9% CPU use with 1 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 14.362 | 14.362 | 14.362 | 0.0 | 58.89
Neigh | 3.3483 | 3.3483 | 3.3483 | 0.0 | 13.73
Comm | 0.42893 | 0.42893 | 0.42893 | 0.0 | 1.76
Output | 0.0025065 | 0.0025065 | 0.0025065 | 0.0 | 0.01
Modify | 6.059 | 6.059 | 6.059 | 0.0 | 24.84
Other | | 0.1876 | | | 0.77
Nlocal: 3000.00 ave 3000 max 3000 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 462.000 ave 462 max 462 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs: 17694.0 ave 17694 max 17694 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 17694
Ave neighs/atom = 5.8980000
Neighbor list builds = 1133
Dangerous builds = 0
Total wall time: 0:00:24

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@ -1,188 +0,0 @@
LAMMPS (29 Oct 2020)
using 1 OpenMP thread(s) per MPI task
# pour two types of particles (cohesive and non-cohesive) on flat wall
variable name string pour_two_types
atom_style sphere
units lj
###############################################
# Geometry-related parameters
###############################################
variable boxx equal 20
variable boxy equal 20
variable boxz equal 30
variable xc1 equal 0.3*${boxx}
variable xc1 equal 0.3*20
variable xc2 equal 0.7*${boxx}
variable xc2 equal 0.7*20
variable yc equal 0.5*${boxy}
variable yc equal 0.5*20
###############################################
# Particle-related parameters
###############################################
variable rlo equal 0.25
variable rhi equal 0.5
variable dlo equal 2.0*${rlo}
variable dlo equal 2.0*0.25
variable dhi equal 2.0*${rhi}
variable dhi equal 2.0*0.5
variable dens equal 1.0
variable skin equal 0.3*${rhi}
variable skin equal 0.3*0.5
#############
processors * * 1
region boxreg block 0 ${boxx} 0 ${boxy} 0 ${boxz}
region boxreg block 0 20 0 ${boxy} 0 ${boxz}
region boxreg block 0 20 0 20 0 ${boxz}
region boxreg block 0 20 0 20 0 30
create_box 2 boxreg
Created orthogonal box = (0.0000000 0.0000000 0.0000000) to (20.000000 20.000000 30.000000)
2 by 2 by 1 MPI processor grid
change_box all boundary p p f
Changing box ...
pair_style granular
pair_coeff 1 * jkr 1000.0 50.0 0.3 10 tangential mindlin 800.0 1.0 0.5 rolling sds 500.0 200.0 0.5 twisting marshall
pair_coeff 2 2 hertz 200.0 20.0 tangential linear_history 300.0 1.0 0.1 rolling sds 200.0 100.0 0.1 twisting marshall
comm_modify vel yes
region insreg1 cylinder z ${xc1} ${yc} 5 15 ${boxz}
region insreg1 cylinder z 6 ${yc} 5 15 ${boxz}
region insreg1 cylinder z 6 10 5 15 ${boxz}
region insreg1 cylinder z 6 10 5 15 30
region insreg2 cylinder z ${xc2} ${yc} 5 15 ${boxz}
region insreg2 cylinder z 14 ${yc} 5 15 ${boxz}
region insreg2 cylinder z 14 10 5 15 ${boxz}
region insreg2 cylinder z 14 10 5 15 30
fix 1 all nve/sphere
fix grav all gravity 10.0 vector 0 0 -1
fix ins1 all pour 1500 1 3123 region insreg1 diam range ${dlo} ${dhi} dens ${dens} ${dens}
fix ins1 all pour 1500 1 3123 region insreg1 diam range 0.5 ${dhi} dens ${dens} ${dens}
fix ins1 all pour 1500 1 3123 region insreg1 diam range 0.5 1 dens ${dens} ${dens}
fix ins1 all pour 1500 1 3123 region insreg1 diam range 0.5 1 dens 1 ${dens}
fix ins1 all pour 1500 1 3123 region insreg1 diam range 0.5 1 dens 1 1
Particle insertion: 562 every 346 steps, 1500 by step 693
fix ins2 all pour 1500 2 3123 region insreg2 diam range ${dlo} ${dhi} dens ${dens} ${dens}
fix ins2 all pour 1500 2 3123 region insreg2 diam range 0.5 ${dhi} dens ${dens} ${dens}
fix ins2 all pour 1500 2 3123 region insreg2 diam range 0.5 1 dens ${dens} ${dens}
fix ins2 all pour 1500 2 3123 region insreg2 diam range 0.5 1 dens 1 ${dens}
fix ins2 all pour 1500 2 3123 region insreg2 diam range 0.5 1 dens 1 1
Particle insertion: 562 every 346 steps, 1500 by step 693
neighbor ${skin} bin
neighbor 0.15 bin
neigh_modify delay 0 every 1 check yes
fix 3 all wall/gran granular hertz/material 1e5 1e3 0.3 tangential mindlin NULL 1.0 0.5 zplane 0 NULL
thermo_style custom step atoms ke
thermo_modify lost warn
thermo 100
timestep 0.001
#dump 1 all custom 100 ${name}.dump id type radius mass x y z
run 5000
Neighbor list info ...
update every 1 steps, delay 0 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 1.15
ghost atom cutoff = 1.15
binsize = 0.575, bins = 35 35 53
1 neighbor lists, perpetual/occasional/extra = 1 0 0
(1) pair granular, perpetual
attributes: half, newton on, size, history
pair build: half/size/bin/newton
stencil: half/bin/3d/newton
bin: standard
Per MPI rank memory allocation (min/avg/max) = 11.98 | 11.98 | 11.98 Mbytes
Step Atoms KinEng
0 0 -0
100 926 -0
200 926 -0
300 926 -0
400 1498 -0
500 1498 -0
600 1498 -0
700 2275 -0
800 2275 -0
900 2275 -0
1000 2275 -0
1100 2954 -0
1200 2954 -0
1300 2954 -0
1400 3000 -0
1500 3000 -0
1600 3000 -0
1700 3000 -0
1800 3000 -0
1900 3000 -0
2000 3000 -0
2100 3000 -0
2200 3000 -0
2300 3000 -0
2400 3000 -0
2500 3000 -0
2600 3000 -0
2700 3000 -0
2800 3000 -0
2900 3000 -0
3000 3000 -0
3100 3000 -0
3200 3000 -0
3300 3000 -0
3400 3000 -0
3500 3000 -0
3600 3000 -0
3700 3000 -0
3800 3000 -0
3900 3000 -0
4000 3000 -0
4100 3000 -0
4200 3000 -0
4300 3000 -0
4400 3000 -0
4500 3000 -0
4600 3000 -0
4700 3000 -0
4800 3000 -0
4900 3000 -0
5000 3000 -0
Loop time of 12.1982 on 4 procs for 5000 steps with 3000 atoms
Performance: 35414.923 tau/day, 409.895 timesteps/s
97.0% CPU use with 4 MPI tasks x 1 OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 1.7141 | 3.8131 | 6.2143 | 107.3 | 31.26
Neigh | 0.77648 | 0.96585 | 1.1892 | 18.3 | 7.92
Comm | 0.7427 | 3.5566 | 5.9731 | 128.4 | 29.16
Output | 0.0067544 | 0.0086352 | 0.011408 | 1.8 | 0.07
Modify | 3.3476 | 3.5826 | 3.8235 | 11.5 | 29.37
Other | | 0.2715 | | | 2.23
Nlocal: 750.000 ave 1033 max 463 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Nghost: 435.000 ave 492 max 378 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Neighs: 4434.50 ave 7028 max 1967 min
Histogram: 2 0 0 0 0 0 0 0 0 2
Total # of neighbors = 17738
Ave neighs/atom = 5.9126667
Neighbor list builds = 1139
Dangerous builds = 0
Total wall time: 0:00:12