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lammps/examples/min/log.min.18Feb13.linux.4
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LAMMPS (18 Feb 2013)
# 2d Lennard-Jones melt and subsequent energy minimization
units lj
dimension 2
atom_style atomic
lattice sq2 0.8442
Lattice spacing in x,y,z = 1.53919 1.53919 1.53919
region box block 0 20 0 20 -0.1 0.1
create_box 1 box
Created orthogonal box = (0 0 -0.153919) to (30.7838 30.7838 0.153919)
2 by 2 by 1 MPI processor grid
create_atoms 1 box
Created 800 atoms
mass 1 1.0
velocity all create 5.0 87287 loop geom
pair_style lj/cut 2.5
pair_coeff 1 1 1.0 1.0 2.5
pair_modify shift yes
neighbor 0.3 bin
neigh_modify delay 0 every 1 check yes
fix 1 all nve
fix 2 all enforce2d
#dump 1 all atom 100 dump.min
#dump 1 all image 50 image.*.jpg type type # zoom 1.6 adiam 1.5
#dump_modify 1 pad 4
thermo 100
run 1000
Memory usage per processor = 2.06116 Mbytes
Step Temp E_pair E_mol TotEng Press
0 5 -2.461717 0 2.532033 5.0190509
100 3.2788864 -0.74311698 0 2.5316708 15.912832
200 3.3041082 -0.77000277 0 2.5299752 15.602653
300 3.3840228 -0.84859211 0 2.5312006 15.188203
400 3.3916063 -0.85694601 0 2.5304208 15.383853
500 3.3136052 -0.77935264 0 2.5301106 15.833296
600 3.3888915 -0.85213742 0 2.532518 15.162759
700 3.2123632 -0.67641807 0 2.5319297 16.310592
800 3.3016497 -0.76571656 0 2.531806 15.639198
900 3.4621454 -0.9260857 0 2.531732 14.772965
1000 3.2803075 -0.74465936 0 2.5315477 15.835597
Loop time of 0.067068 on 4 procs for 1000 steps with 800 atoms
Pair time (%) = 0.0325241 (48.4942)
Neigh time (%) = 0.0122744 (18.3014)
Comm time (%) = 0.0142534 (21.2521)
Outpt time (%) = 0.000184894 (0.275681)
Other time (%) = 0.00783122 (11.6765)
Nlocal: 200 ave 202 max 198 min
Histogram: 1 0 1 0 0 0 0 1 0 1
Nghost: 170.25 ave 176 max 167 min
Histogram: 1 0 2 0 0 0 0 0 0 1
Neighs: 1936.75 ave 1963 max 1896 min
Histogram: 1 0 0 0 0 1 0 0 1 1
Total # of neighbors = 7747
Ave neighs/atom = 9.68375
Neighbor list builds = 203
Dangerous builds = 0
neigh_modify delay 0 every 1 check yes
#dump_modify 1 every 25
thermo 50
minimize 1.0e-6 0.001 1000 10000
Memory usage per processor = 2.7478 Mbytes
Step Temp E_pair E_mol TotEng Press
1000 3.2803075 -0.74465936 0 2.5315477 15.835597
1050 3.2803075 -2.8198371 0 0.45636995 1.6553949
1100 3.2803075 -2.8554989 0 0.42070813 1.6571551
1150 3.2803075 -2.8646695 0 0.41153758 1.7045388
1200 3.2803075 -2.8688213 0 0.40738582 1.6922085
1250 3.2803075 -2.8764988 0 0.39970826 1.6948532
1300 3.2803075 -2.8776606 0 0.39854651 1.6821387
1350 3.2803075 -2.8789379 0 0.39726915 1.6715024
1365 3.2803075 -2.879076 0 0.3971311 1.66923
Loop time of 0.103431 on 4 procs for 365 steps with 800 atoms
Minimization stats:
Stopping criterion = energy tolerance
Energy initial, next-to-last, final =
-0.744659361981 -2.87907436106 -2.8790759758
Force two-norm initial, final = 2006.88 0.477401
Force max component initial, final = 395.193 0.0879763
Final line search alpha, max atom move = 0.00334856 0.000294593
Iterations, force evaluations = 365 1437
Pair time (%) = 0.0645013 (62.3616)
Neigh time (%) = 0.0046317 (4.47805)
Comm time (%) = 0.0178814 (17.2882)
Outpt time (%) = 0.000117421 (0.113526)
Other time (%) = 0.0162994 (15.7587)
Nlocal: 200 ave 204 max 194 min
Histogram: 1 0 0 0 0 1 0 0 0 2
Nghost: 171.75 ave 173 max 170 min
Histogram: 1 0 0 1 0 0 0 0 0 2
Neighs: 1762.75 ave 1797 max 1711 min
Histogram: 1 0 0 0 0 0 1 1 0 1
Total # of neighbors = 7051
Ave neighs/atom = 8.81375
Neighbor list builds = 78
Dangerous builds = 0
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