312 lines
16 KiB
Groff
312 lines
16 KiB
Groff
LAMMPS (20 Aug 2010)
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# Cu2O crystal, qeq on, minimizes, then calculates elastic constants
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units metal
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atom_style charge
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dimension 3
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boundary p p p
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read_data data.Cu2O
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triclinic box = (0 0 0) to (25.62 25.62 25.62) with tilt (0 0 0)
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1 by 2 by 2 processor grid
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1296 atoms
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mass 1 63.5
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mass 2 16.0
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velocity all create 1.0 277387
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pair_style comb
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pair_coeff * * ffield.comb Cu O
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neighbor 0.5 bin
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neigh_modify every 20 delay 0 check no
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timestep 0.00020
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thermo_style custom step temp etotal pe evdwl ecoul lx ly lz vol
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thermo_modify norm yes
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thermo 1
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fix 1 all nve
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fix 2 all qeq/comb 1 0.0001
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dump 1 all cfg 1 *.cfg id type xs ys zs q f_2 vx vy vz fx fy fz
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dump_modify 1 append yes element Cu O
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run 2
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Memory usage per processor = 2.89174 Mbytes
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Step Temp TotEng PotEng E_vdwl E_coul Lx Ly Lz Volume
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0 1 -3.829214 -3.8293431 -1.1478494 -2.6814937 25.62 25.62 25.62 16816.568
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1 0.99856549 -3.8247839 -3.8249129 -0.98856777 -2.8363451 25.62 25.62 25.62 16816.568
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2 0.99567536 -3.8247849 -3.8249135 -0.98856242 -2.8363511 25.62 25.62 25.62 16816.568
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Loop time of 0.283128 on 4 procs for 2 steps with 1296 atoms
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Pair time (%) = 0.0761476 (26.8951)
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Neigh time (%) = 0 (0)
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Comm time (%) = 0.00257343 (0.908929)
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Outpt time (%) = 0.017866 (6.31021)
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Other time (%) = 0.186541 (65.8857)
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Nlocal: 324 ave 324 max 324 min
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Histogram: 4 0 0 0 0 0 0 0 0 0
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Nghost: 4943 ave 4943 max 4943 min
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Histogram: 4 0 0 0 0 0 0 0 0 0
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Neighs: 0 ave 0 max 0 min
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Histogram: 4 0 0 0 0 0 0 0 0 0
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FullNghs: 202608 ave 202608 max 202608 min
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Histogram: 4 0 0 0 0 0 0 0 0 0
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Total # of neighbors = 810432
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Ave neighs/atom = 625.333
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Neighbor list builds = 0
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Dangerous builds = 0
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thermo_style custom step temp etotal pe evdwl ecoul lx ly lz vol
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thermo_modify norm yes
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thermo 1
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unfix 1
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fix 1 all box/relax aniso 0.0 vmax 0.001
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minimize 1.0e-14 1.0e-20 1000 10000
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Memory usage per processor = 3.83986 Mbytes
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Step Temp TotEng PotEng E_vdwl E_coul Lx Ly Lz Volume
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2 0.99567536 -3.8351396 -3.8352682 -0.97470326 -2.860565 25.62 25.62 25.62 16816.568
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3 0.99567536 -3.8351396 -3.8352682 -0.97470326 -2.860565 25.62 25.62 25.62 16816.568
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Loop time of 0.582395 on 4 procs for 1 steps with 1296 atoms
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Minimization stats:
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Stopping criterion = linesearch alpha is zero
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Energy initial, next-to-last, final =
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-3.83526822048 -3.83526822048 -3.83526822048
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Force two-norm initial, final = 24.0512 24.0512
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Force max component initial, final = 13.892 13.892
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Final line search alpha, max atom move = 1.75742e-08 2.44141e-07
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Iterations, force evaluations = 1 13
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Pair time (%) = 0.543527 (93.3262)
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Neigh time (%) = 0 (0)
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Comm time (%) = 0.0210947 (3.62207)
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Outpt time (%) = 0 (0)
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Other time (%) = 0.0177733 (3.05175)
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Nlocal: 324 ave 331 max 321 min
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Histogram: 1 2 0 0 0 0 0 0 0 1
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Nghost: 4943 ave 4946 max 4936 min
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Histogram: 1 0 0 0 0 0 0 0 0 3
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Neighs: 0 ave 0 max 0 min
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Histogram: 4 0 0 0 0 0 0 0 0 0
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FullNghs: 202608 ave 207074 max 200694 min
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Histogram: 1 2 0 0 0 0 0 0 0 1
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Total # of neighbors = 810432
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Ave neighs/atom = 625.333
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Neighbor list builds = 0
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Dangerous builds = 0
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min_modify dmax 0.2 line quadratic
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thermo_style custom step temp etotal pe evdwl ecoul lx ly lz vol
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thermo_modify norm yes
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thermo 1
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unfix 1
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fix 1 all nve
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run 1
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Memory usage per processor = 2.89244 Mbytes
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Step Temp TotEng PotEng E_vdwl E_coul Lx Ly Lz Volume
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3 0.99567536 -3.8351396 -3.8352682 -0.97470326 -2.860565 25.62 25.62 25.62 16816.568
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4 0.99345143 -3.8298017 -3.82993 -0.99430003 -2.83563 25.62 25.62 25.62 16816.568
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Loop time of 0.131975 on 4 procs for 1 steps with 1296 atoms
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Pair time (%) = 0.0390449 (29.5852)
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Neigh time (%) = 0 (0)
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Comm time (%) = 0.0017758 (1.34556)
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Outpt time (%) = 0.00901824 (6.83332)
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Other time (%) = 0.0821356 (62.2359)
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Nlocal: 324 ave 331 max 321 min
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Histogram: 1 2 0 0 0 0 0 0 0 1
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Nghost: 4943 ave 4946 max 4936 min
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Histogram: 1 0 0 0 0 0 0 0 0 3
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Neighs: 0 ave 0 max 0 min
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Histogram: 4 0 0 0 0 0 0 0 0 0
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FullNghs: 202608 ave 207074 max 200694 min
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Histogram: 1 2 0 0 0 0 0 0 0 1
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Total # of neighbors = 810432
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Ave neighs/atom = 625.333
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Neighbor list builds = 0
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Dangerous builds = 0
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unfix 1
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unfix 2
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undump 1
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### copy lines after this to any input script for elastic calculations ###
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## Elastic constants calculations: strain box, measure box stress
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## strain x, measure s_x, s_y, s_z, s_yz:
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## calculates C11, C12, C13 and C14
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fix 2 all deform 1 x scale 1.0001 remap x
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compute perfx all stress/atom pair
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compute fx all reduce sum c_perfx[1] c_perfx[2] c_perfx[3] c_perfx[4] c_perfx[5] c_perfx[6]
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thermo_style custom step lx ly lz xy xz yz c_fx[1] c_fx[2] c_fx[3] c_fx[4] c_fx[5] c_fx[6]
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run 10
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Memory usage per processor = 2.97812 Mbytes
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Step Lx Ly Lz Xy Xz Yz fx[1] fx[2] fx[3] fx[4] fx[5] fx[6]
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4 25.62 25.62 25.62 0 0 0 -21746646 -21740667 -21741827 -70786.767 -93074.742 -74160.519
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5 25.620256 25.62 25.62 0 0 0 -21746646 -21740667 -21741827 -70786.767 -93074.742 -74160.519
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6 25.620512 25.62 25.62 0 0 0 -21502725 -21677635 -21678795 -70785.42 -93073.091 -74155.594
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7 25.620769 25.62 25.62 0 0 0 -21258805 -21614609 -21615768 -70784.073 -93071.441 -74150.67
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8 25.621025 25.62 25.62 0 0 0 -21014886 -21551587 -21552747 -70782.726 -93069.792 -74145.746
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9 25.621281 25.62 25.62 0 0 0 -20770968 -21488571 -21489730 -70781.379 -93068.143 -74140.823
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10 25.621537 25.62 25.62 0 0 0 -20527050 -21425559 -21426719 -70780.032 -93066.493 -74135.901
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11 25.621793 25.62 25.62 0 0 0 -20283134 -21362553 -21363712 -70778.685 -93064.844 -74130.978
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12 25.62205 25.62 25.62 0 0 0 -20039219 -21299551 -21300711 -70777.338 -93063.196 -74126.055
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13 25.622306 25.62 25.62 0 0 0 -19795305 -21236555 -21237715 -70775.991 -93061.546 -74121.133
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14 25.622562 25.62 25.62 0 0 0 -19551392 -21173564 -21174723 -70774.644 -93059.897 -74116.211
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Loop time of 0.454987 on 4 procs for 10 steps with 1296 atoms
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Pair time (%) = 0.417214 (91.6981)
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Neigh time (%) = 0 (0)
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Comm time (%) = 0.0204811 (4.50146)
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Outpt time (%) = 0.0166161 (3.652)
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Other time (%) = 0.000675619 (0.148492)
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Nlocal: 324 ave 331 max 321 min
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Histogram: 1 2 0 0 0 0 0 0 0 1
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Nghost: 4943 ave 4946 max 4936 min
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Histogram: 1 0 0 0 0 0 0 0 0 3
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Neighs: 0 ave 0 max 0 min
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Histogram: 4 0 0 0 0 0 0 0 0 0
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FullNghs: 202608 ave 207074 max 200694 min
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Histogram: 1 2 0 0 0 0 0 0 0 1
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Total # of neighbors = 810432
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Ave neighs/atom = 625.333
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Neighbor list builds = 0
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Dangerous builds = 0
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## strain z, measure s_z: calculates C33
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fix 2 all deform 1 z scale 1.0001 remap x
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compute perfz all stress/atom pair
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compute fz all reduce sum c_perfz[1] c_perfz[2] c_perfz[3] c_perfz[4] c_perfz[5] c_perfz[6]
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thermo_style custom step lx ly lz xy xz yz c_fz[1] c_fz[2] c_fz[3] c_fz[4] c_fz[5] c_fz[6]
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run 10
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Memory usage per processor = 3.45218 Mbytes
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Step Lx Ly Lz Xy Xz Yz fz[1] fz[2] fz[3] fz[4] fz[5] fz[6]
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14 25.622562 25.62 25.62 0 0 0 -19307480 -21110577 -21111737 -70773.297 -93058.247 -74111.289
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15 25.622562 25.62 25.620256 0 0 0 -19307480 -21110577 -21111737 -70773.297 -93058.247 -74111.289
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16 25.622562 25.62 25.620512 0 0 0 -19244493 -21047558 -20867860 -70767.49 -93056.598 -74110.079
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17 25.622562 25.62 25.620769 0 0 0 -19181510 -20984543 -20623984 -70761.684 -93054.948 -74108.869
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18 25.622562 25.62 25.621025 0 0 0 -19118533 -20921533 -20380109 -70755.878 -93053.298 -74107.659
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19 25.622562 25.62 25.621281 0 0 0 -19055560 -20858528 -20136235 -70750.072 -93051.649 -74106.449
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20 25.622562 25.62 25.621537 0 0 0 -18992593 -20795528 -19892363 -70744.267 -93049.999 -74105.239
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21 25.622562 25.62 25.621793 0 0 0 -18929631 -20732534 -19648491 -70738.463 -93048.348 -74104.029
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22 25.622562 25.62 25.62205 0 0 0 -18866674 -20669544 -19404620 -70732.659 -93046.698 -74102.819
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23 25.622562 25.62 25.622306 0 0 0 -18803721 -20606559 -19160750 -70726.855 -93045.048 -74101.609
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24 25.622562 25.62 25.622562 0 0 0 -18740774 -20543580 -18916881 -70721.052 -93043.398 -74100.398
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Loop time of 0.45449 on 4 procs for 10 steps with 1296 atoms
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Pair time (%) = 0.417112 (91.7759)
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Neigh time (%) = 0 (0)
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Comm time (%) = 0.0202234 (4.44969)
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Outpt time (%) = 0.0165236 (3.63564)
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Other time (%) = 0.000630558 (0.13874)
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Nlocal: 324 ave 331 max 321 min
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Histogram: 1 2 0 0 0 0 0 0 0 1
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Nghost: 4943 ave 4946 max 4936 min
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Histogram: 1 0 0 0 0 0 0 0 0 3
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Neighs: 0 ave 0 max 0 min
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Histogram: 4 0 0 0 0 0 0 0 0 0
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FullNghs: 202608 ave 207074 max 200694 min
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Histogram: 1 2 0 0 0 0 0 0 0 1
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Total # of neighbors = 810432
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Ave neighs/atom = 625.333
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Neighbor list builds = 0
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Dangerous builds = 0
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## strain yz, measure s_yz: calculates C44
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fix 2 all deform 1 yz erate 0.0001 remap x
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compute perfyz all stress/atom pair
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compute fyz all reduce sum c_perfyz[1] c_perfyz[2] c_perfyz[3] c_perfyz[4] c_perfyz[5] c_perfyz[6]
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thermo_style custom step lx ly lz xy xz yz c_fyz[1] c_fyz[2] c_fyz[3] c_fyz[4] c_fyz[5] c_fyz[6]
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run 10
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Memory usage per processor = 3.92624 Mbytes
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Step Lx Ly Lz Xy Xz Yz fyz[1] fyz[2] fyz[3] fyz[4] fyz[5] fyz[6]
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24 25.622562 25.62 25.622562 0 0 0 -18677832 -20480605 -18673014 -70715.249 -93041.748 -74099.188
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25 25.622562 25.62 25.622562 0 0 5.1245124e-07 -18677832 -20480605 -18673014 -70715.249 -93041.748 -74099.188
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26 25.622562 25.62 25.622562 0 0 1.0249025e-06 -18677832 -20480605 -18673014 -70715.244 -93041.743 -73864.49
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27 25.622562 25.62 25.622562 0 0 1.5373537e-06 -18677832 -20480605 -18673014 -70715.24 -93041.738 -73629.792
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28 25.622562 25.62 25.622562 0 0 2.049805e-06 -18677832 -20480605 -18673014 -70715.235 -93041.733 -73395.093
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29 25.622562 25.62 25.622562 0 0 2.5622562e-06 -18677832 -20480605 -18673014 -70715.231 -93041.728 -73160.395
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30 25.622562 25.62 25.622562 0 0 3.0747074e-06 -18677832 -20480605 -18673014 -70715.226 -93041.723 -72925.696
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31 25.622562 25.62 25.622562 0 0 3.5871587e-06 -18677832 -20480605 -18673014 -70715.222 -93041.718 -72690.998
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32 25.622562 25.62 25.622562 0 0 4.0996099e-06 -18677832 -20480605 -18673014 -70715.217 -93041.713 -72456.3
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33 25.622562 25.62 25.622562 0 0 4.6120612e-06 -18677832 -20480605 -18673014 -70715.213 -93041.708 -72221.601
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34 25.622562 25.62 25.622562 0 0 5.1245124e-06 -18677832 -20480605 -18673014 -70715.208 -93041.702 -71986.903
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Loop time of 0.453631 on 4 procs for 10 steps with 1296 atoms
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Pair time (%) = 0.416858 (91.8936)
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Neigh time (%) = 0 (0)
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Comm time (%) = 0.020052 (4.42033)
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Outpt time (%) = 0.0161096 (3.55125)
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Other time (%) = 0.000611365 (0.134771)
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Nlocal: 324 ave 331 max 321 min
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Histogram: 1 2 0 0 0 0 0 0 0 1
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Nghost: 4943 ave 4946 max 4936 min
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Histogram: 1 0 0 0 0 0 0 0 0 3
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Neighs: 0 ave 0 max 0 min
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Histogram: 4 0 0 0 0 0 0 0 0 0
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FullNghs: 202608 ave 207074 max 200694 min
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Histogram: 1 2 0 0 0 0 0 0 0 1
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Total # of neighbors = 810432
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Ave neighs/atom = 625.333
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Neighbor list builds = 0
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Dangerous builds = 0
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## strain xy, measure s_xy: calculates C66
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fix 2 all deform 1 xy erate 0.0001 remap x
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compute perfxy all stress/atom pair
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compute fxy all reduce sum c_perfxy[1] c_perfxy[2] c_perfxy[3] c_perfxy[4] c_perfxy[5] c_perfxy[6]
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thermo_style custom step lx ly lz xy xz yz c_fxy[1] c_fxy[2] c_fxy[3] c_fxy[4] c_fxy[5] c_fxy[6]
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run 10
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Memory usage per processor = 4.4003 Mbytes
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Step Lx Ly Lz Xy Xz Yz fxy[1] fxy[2] fxy[3] fxy[4] fxy[5] fxy[6]
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34 25.622562 25.62 25.622562 0 0 5.1245124e-06 -18677832 -20480605 -18673014 -70715.204 -93041.697 -71752.205
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35 25.622562 25.62 25.622562 5.124e-07 0 5.1245124e-06 -18677832 -20480605 -18673014 -70715.204 -93041.697 -71752.205
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36 25.622562 25.62 25.622562 1.0248e-06 0 5.1245124e-06 -18677832 -20480605 -18673014 -70480.541 -93041.694 -71752.198
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37 25.622562 25.62 25.622562 1.5372e-06 0 5.1245124e-06 -18677832 -20480605 -18673014 -70245.879 -93041.691 -71752.192
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38 25.622562 25.62 25.622562 2.0496e-06 0 5.1245124e-06 -18677832 -20480605 -18673014 -70011.217 -93041.688 -71752.186
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39 25.622562 25.62 25.622562 2.562e-06 0 5.1245124e-06 -18677832 -20480605 -18673014 -69776.555 -93041.684 -71752.179
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40 25.622562 25.62 25.622562 3.0744e-06 0 5.1245124e-06 -18677832 -20480605 -18673014 -69541.892 -93041.681 -71752.173
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41 25.622562 25.62 25.622562 3.5868e-06 0 5.1245124e-06 -18677832 -20480605 -18673014 -69307.23 -93041.678 -71752.166
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42 25.622562 25.62 25.622562 4.0992e-06 0 5.1245124e-06 -18677832 -20480605 -18673014 -69072.568 -93041.675 -71752.16
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43 25.622562 25.62 25.622562 4.6116e-06 0 5.1245124e-06 -18677832 -20480605 -18673014 -68837.906 -93041.671 -71752.154
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44 25.622562 25.62 25.622562 5.124e-06 0 5.1245124e-06 -18677832 -20480605 -18673014 -68603.243 -93041.668 -71752.147
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Loop time of 0.454455 on 4 procs for 10 steps with 1296 atoms
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Pair time (%) = 0.416851 (91.7254)
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Neigh time (%) = 0 (0)
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Comm time (%) = 0.0202795 (4.46238)
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Outpt time (%) = 0.0167049 (3.6758)
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Other time (%) = 0.000620067 (0.136442)
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Nlocal: 324 ave 331 max 321 min
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Histogram: 1 2 0 0 0 0 0 0 0 1
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Nghost: 4943 ave 4946 max 4936 min
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Histogram: 1 0 0 0 0 0 0 0 0 3
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Neighs: 0 ave 0 max 0 min
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Histogram: 4 0 0 0 0 0 0 0 0 0
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FullNghs: 202608 ave 207074 max 200694 min
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Histogram: 1 2 0 0 0 0 0 0 0 1
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Total # of neighbors = 810432
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Ave neighs/atom = 625.333
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Neighbor list builds = 0
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Dangerous builds = 0
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