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lammps/examples/srd/log.srd.pure.9Jan12.linux.1
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LAMMPS (10 Jan 2012)
# 2d SRD only test
units lj
atom_style atomic
atom_modify first empty
dimension 2
# create box with big lattice
lattice sq 0.4
Lattice spacing in x,y,z = 1.58114 1.58114 1.58114
region box block 0 10 0 10 -0.5 0.5
create_box 1 box
Created orthogonal box = (0 0 -0.790569) to (15.8114 15.8114 0.790569)
1 by 1 by 1 MPI processor grid
# add SRD particles as hi density lattice
lattice sq 0.4
Lattice spacing in x,y,z = 1.58114 1.58114 1.58114
region plane block 0 10 0 10 -0.001 0.001
lattice sq 85.0
Lattice spacing in x,y,z = 0.108465 0.108465 0.108465
create_atoms 1 region plane
Created 21316 atoms
group empty type 2
0 atoms in group empty
mass 1 0.01
velocity all create 1.0 593849 loop geom
# settings - need dummy empty group to enable no communication
neighbor 0.3 bin
neigh_modify delay 1 every 1 check no
communicate single group empty
# timestep is big and SRD frequency is 1
timestep 0.02
fix 1 all srd 1 NULL 1.0 0.25 49894 collision slip
fix 2 all enforce2d
# diagnostics
thermo_style custom step temp f_1[7] etotal press f_1[3] f_1[4] f_1[6]
thermo 100
dump 1 all atom 250 dump.srd.pure
run 5000
SRD info:
SRD/big particles = 21316 0
big particle diameter max/min = 0 1e+20
SRD temperature & lamda = 1 0.2
SRD max distance & max velocity = 0.8 40
SRD grid counts: 63 63 1
SRD grid size: request, actual (xyz) = 0.25, 0.250974 0.250974 1.58114
SRD per actual grid cell = 5.37062
SRD viscosity = 0.439647
big/SRD mass density ratio = 0
# of rescaled SRD velocities = 0
ave/max all velocity = 13.2735 24.2873
Memory usage per processor = 4.08603 Mbytes
Step Temp 1[7] TotEng Press 1[3] 1[4] 1[6]
0 1 0 0.99995309 85.26 0 0 0
100 0.97820615 3969 0.97816026 83.401857 0 0 0
200 0.9609326 3969 0.96088752 81.929113 0 0 0
300 0.94460302 3969 0.9445587 80.536853 0 0 0
400 0.93098293 3969 0.93093925 79.375605 0 0 0
500 0.91803208 3969 0.91798901 78.271415 0 0 0
600 0.90779378 3969 0.90775119 77.398497 0 0 0
700 0.89695247 3969 0.89691039 76.474168 0 0 0
800 0.88637078 3969 0.88632919 75.571972 0 0 0
900 0.87833669 3969 0.87829548 74.886986 0 0 0
1000 0.87030089 3969 0.87026006 74.201854 0 0 0
1100 0.86318709 3969 0.86314659 73.595331 0 0 0
1200 0.85736665 3969 0.85732643 73.099081 0 0 0
1300 0.85147901 3969 0.85143906 72.5971 0 0 0
1400 0.84496088 3969 0.84492124 72.041365 0 0 0
1500 0.83857476 3969 0.83853542 71.496884 0 0 0
1600 0.8336916 3969 0.83365249 71.080546 0 0 0
1700 0.82954371 3969 0.8295048 70.726897 0 0 0
1800 0.82570979 3969 0.82567105 70.400016 0 0 0
1900 0.82189413 3969 0.82185557 70.074693 0 0 0
2000 0.81818525 3969 0.81814687 69.758475 0 0 0
2100 0.81436257 3969 0.81432436 69.432552 0 0 0
2200 0.80997949 3969 0.80994149 69.058851 0 0 0
2300 0.80685831 3969 0.80682045 68.792739 0 0 0
2400 0.80374622 3969 0.80370851 68.527402 0 0 0
2500 0.80103773 3969 0.80100015 68.296477 0 0 0
2600 0.79858358 3969 0.79854611 68.087236 0 0 0
2700 0.79617295 3969 0.7961356 67.881706 0 0 0
2800 0.79312496 3969 0.79308775 67.621834 0 0 0
2900 0.79126456 3969 0.79122744 67.463216 0 0 0
3000 0.78897033 3969 0.78893331 67.26761 0 0 0
3100 0.78632296 3969 0.78628607 67.041895 0 0 0
3200 0.78442284 3969 0.78438604 66.879892 0 0 0
3300 0.78168316 3969 0.78164649 66.646306 0 0 0
3400 0.7788658 3969 0.77882926 66.406098 0 0 0
3500 0.77703408 3969 0.77699762 66.249925 0 0 0
3600 0.77441139 3969 0.77437506 66.026315 0 0 0
3700 0.7723528 3969 0.77231656 65.850799 0 0 0
3800 0.77019626 3969 0.77016013 65.666933 0 0 0
3900 0.76835687 3969 0.76832082 65.510107 0 0 0
4000 0.76701071 3969 0.76697473 65.395333 0 0 0
4100 0.76552115 3969 0.76548523 65.268333 0 0 0
4200 0.76360426 3969 0.76356843 65.104899 0 0 0
4300 0.76173186 3969 0.76169613 64.945259 0 0 0
4400 0.75933463 3969 0.759299 64.74087 0 0 0
4500 0.75806391 3969 0.75802835 64.632529 0 0 0
4600 0.75692832 3969 0.75689281 64.535709 0 0 0
4700 0.75569109 3969 0.75565564 64.430222 0 0 0
4800 0.75446697 3969 0.75443157 64.325854 0 0 0
4900 0.75276753 3969 0.75273221 64.180959 0 0 0
5000 0.75113693 3969 0.75110169 64.041935 0 0 0
Loop time of 8.027 on 1 procs for 5000 steps with 21316 atoms
Pair time (%) = 0 (0)
Neigh time (%) = 5.17779 (64.5047)
Comm time (%) = 0.631268 (7.8643)
Outpt time (%) = 0.325017 (4.04905)
Other time (%) = 1.89293 (23.582)
Nlocal: 21316 ave 21316 max 21316 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: 0 ave 0 max 0 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 0
Ave neighs/atom = 0
Neighbor list builds = 5000
Dangerous builds = 0
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