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lammps/examples/USER/smtbq/log.smtbq.TiO2
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LAMMPS (23 Oct 2015)
# Al2O3 crystal, qeq on, minimizes, then calculates elastic constants
variable T_depart equal 300
variable dt equal 0.0002
variable a equal 4.5937
variable c equal 2.9587
variable ca equal ${c}/${a}
variable ca equal 2.9587/${a}
variable ca equal 2.9587/4.5937
variable nx equal 6
variable ny equal 6
variable nz equal 11
variable bx equal ${a}*${nx}
variable bx equal 4.5937*${nx}
variable bx equal 4.5937*6
variable by equal ${a}*${ny}
variable by equal 4.5937*${ny}
variable by equal 4.5937*6
variable bz equal ${c}*${nz}
variable bz equal 2.9587*${nz}
variable bz equal 2.9587*11
# =======================================================================
units metal
atom_style charge
dimension 3
boundary p p p
lattice sc 1.0
Lattice spacing in x,y,z = 1 1 1
region box_vide prism 0 ${bx} 0 ${by} 0 ${bz} 0.0 0.0 0.0
region box_vide prism 0 27.5622 0 ${by} 0 ${bz} 0.0 0.0 0.0
region box_vide prism 0 27.5622 0 27.5622 0 ${bz} 0.0 0.0 0.0
region box_vide prism 0 27.5622 0 27.5622 0 32.5457 0.0 0.0 0.0
create_box 2 box_vide
Created triclinic box = (0 0 0) to (27.5622 27.5622 32.5457) with tilt (0 0 0)
1 by 1 by 1 MPI processor grid
#lattice sc 1.0
#region box_TiO2 block 0 ${bx} 0 ${by} 0 ${bz}
# titanium atoms
lattice custom ${a} origin 0.0 0.0 0.0 orient x 1 0 0 orient y 0 1 0 orient z 0 0 1 a1 1.0 0.0 0.0 a2 0.0 1.0 0.0 a3 0.0 0.0 ${ca} basis 0.0 0.0 0.0 basis 0.5 0.5 0.5
lattice custom 4.5937 origin 0.0 0.0 0.0 orient x 1 0 0 orient y 0 1 0 orient z 0 0 1 a1 1.0 0.0 0.0 a2 0.0 1.0 0.0 a3 0.0 0.0 ${ca} basis 0.0 0.0 0.0 basis 0.5 0.5 0.5
lattice custom 4.5937 origin 0.0 0.0 0.0 orient x 1 0 0 orient y 0 1 0 orient z 0 0 1 a1 1.0 0.0 0.0 a2 0.0 1.0 0.0 a3 0.0 0.0 0.644077758669482 basis 0.0 0.0 0.0 basis 0.5 0.5 0.5
Lattice spacing in x,y,z = 4.5937 4.5937 2.9587
create_atoms 2 region box_vide
Created 792 atoms
# Oxygen atoms
lattice custom ${a} origin 0.0 0.0 0.0 orient x 1 0 0 orient y 0 1 0 orient z 0 0 1 a1 1.0 0.0 0.0 a2 0.0 1.0 0.0 a3 0.0 0.0 ${ca} basis 0.30478 0.30478 0.0 basis 0.69522 0.69522 0.0 basis 0.19522 0.80478 0.5 basis 0.80478 0.19522 0.5
lattice custom 4.5937 origin 0.0 0.0 0.0 orient x 1 0 0 orient y 0 1 0 orient z 0 0 1 a1 1.0 0.0 0.0 a2 0.0 1.0 0.0 a3 0.0 0.0 ${ca} basis 0.30478 0.30478 0.0 basis 0.69522 0.69522 0.0 basis 0.19522 0.80478 0.5 basis 0.80478 0.19522 0.5
lattice custom 4.5937 origin 0.0 0.0 0.0 orient x 1 0 0 orient y 0 1 0 orient z 0 0 1 a1 1.0 0.0 0.0 a2 0.0 1.0 0.0 a3 0.0 0.0 0.644077758669482 basis 0.30478 0.30478 0.0 basis 0.69522 0.69522 0.0 basis 0.19522 0.80478 0.5 basis 0.80478 0.19522 0.5
Lattice spacing in x,y,z = 4.5937 4.5937 2.9587
create_atoms 1 region box_vide
Created 1584 atoms
mass 1 16.00
group Oxy type 1
1584 atoms in group Oxy
compute chargeOxy Oxy property/atom q
compute q_Oxy Oxy reduce ave c_chargeOxy
mass 2 47.867
group Ti type 2
792 atoms in group Ti
compute chargeTi Ti property/atom q
compute q_Ti Ti reduce ave c_chargeTi
velocity all create ${T_depart} 277387
velocity all create 300 277387
pair_style smtbq
pair_coeff * * ffield.smtbq.TiO2 O Ti
neighbor 0.5 bin
neigh_modify every 20 delay 0 check yes
timestep ${dt}
timestep 0.0002
thermo_style custom step temp press pe ke etotal c_q_Ti c_q_Oxy lx ly lz vol
thermo_modify flush yes
thermo 1
#dump 5 all custom 500 boxAlpha_alumina.lammpstrj id type q x y z
fix 3 all nve
run 10
Neighbor list info ...
1 neighbor list requests
update every 20 steps, delay 0 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 12.6744
ghost atom cutoff = 12.6744
binsize = 6.3372 -> bins = 5 5 6
Memory usage per processor = 4.77264 Mbytes
Step Temp Press PotEng KinEng TotEng q_Ti q_Oxy Lx Ly Lz Volume
0 300 44365.066 -15815.239 92.097853 -15723.142 2.5521775 -1.2760888 27.5622 27.5622 32.5457 24724.15
1 299.90455 44375.373 -15815.21 92.06855 -15723.142 2.552178 -1.276089 27.5622 27.5622 32.5457 24724.15
2 299.63739 44392.241 -15815.128 91.986534 -15723.142 2.5521725 -1.2760863 27.5622 27.5622 32.5457 24724.15
3 299.19899 44415.606 -15814.994 91.85195 -15723.142 2.5521616 -1.2760808 27.5622 27.5622 32.5457 24724.15
4 298.59012 44445.345 -15814.808 91.665031 -15723.143 2.5521454 -1.2760727 27.5622 27.5622 32.5457 24724.15
5 297.81185 44481.382 -15814.57 91.426105 -15723.144 2.5521238 -1.2760619 27.5622 27.5622 32.5457 24724.15
6 296.86552 44523.683 -15814.28 91.135592 -15723.144 2.5520969 -1.2760484 27.5622 27.5622 32.5457 24724.15
7 295.75281 44572.175 -15813.939 90.793996 -15723.145 2.5520648 -1.2760324 27.5622 27.5622 32.5457 24724.15
8 294.47564 44626.778 -15813.548 90.401913 -15723.147 2.5520274 -1.2760137 27.5622 27.5622 32.5457 24724.15
9 293.03623 44687.401 -15813.108 89.960027 -15723.148 2.5519849 -1.2759925 27.5622 27.5622 32.5457 24724.15
10 291.43711 44753.932 -15812.618 89.469107 -15723.149 2.5519374 -1.2759687 27.5622 27.5622 32.5457 24724.15
Loop time of 570.52 on 1 procs for 10 steps with 2376 atoms
Performance: 0.000 ns/day, 79238.948 hours/ns, 0.018 timesteps/s
99.9% CPU use with 1 MPI tasks x no OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 570.52 | 570.52 | 570.52 | 0.0 |100.00
Neigh | 0 | 0 | 0 | 0.0 | 0.00
Comm | 0.00087428 | 0.00087428 | 0.00087428 | 0.0 | 0.00
Output | 0.00091386 | 0.00091386 | 0.00091386 | 0.0 | 0.00
Modify | 0.00045085 | 0.00045085 | 0.00045085 | 0.0 | 0.00
Other | | 0.0001979 | | | 0.00
Nlocal: 2376 ave 2376 max 2376 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 13138 ave 13138 max 13138 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
FullNghs: 1.9705e+06 ave 1.9705e+06 max 1.9705e+06 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 1970496
Ave neighs/atom = 829.333
Neighbor list builds = 0
Dangerous builds = 0
unfix 3
#thermo 15
fix 1 all box/relax tri 0.0 vmax 0.001
minimize 1.0e-3 1.0e-5 1000 10000
WARNING: Resetting reneighboring criteria during minimization (../min.cpp:168)
Neighbor list info ...
1 neighbor list requests
update every 1 steps, delay 0 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 12.6744
ghost atom cutoff = 12.6744
binsize = 6.3372 -> bins = 5 5 6
Memory usage per processor = 6.14764 Mbytes
Step Temp Press PotEng KinEng TotEng q_Ti q_Oxy Lx Ly Lz Volume
10 291.43711 44753.932 -15812.618 89.469107 -15723.149 2.5519374 -1.2759687 27.5622 27.5622 32.5457 24724.15
11 291.43711 39000.467 -15814.109 89.469107 -15724.639 2.5514249 -1.2757124 27.582771 27.582775 32.578246 24785.834
Loop time of 80.5411 on 1 procs for 1 steps with 2376 atoms
99.9% CPU use with 1 MPI tasks x no OpenMP threads
Minimization stats:
Stopping criterion = energy tolerance
Energy initial, next-to-last, final =
-15812.6183471 -15812.6183471 -15814.1085593
Force two-norm initial, final = 1104.2 951.386
Force max component initial, final = 759.352 657.815
Final line search alpha, max atom move = 1.31691e-06 0.000866285
Iterations, force evaluations = 1 1
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 80.54 | 80.54 | 80.54 | 0.0 |100.00
Neigh | 0 | 0 | 0 | 0.0 | 0.00
Comm | 0.00016761 | 0.00016761 | 0.00016761 | 0.0 | 0.00
Output | 0 | 0 | 0 | 0.0 | 0.00
Modify | 0 | 0 | 0 | 0.0 | 0.00
Other | | 0.0006053 | | | 0.00
Nlocal: 2376 ave 2376 max 2376 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 13138 ave 13138 max 13138 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
FullNghs: 1.96864e+06 ave 1.96864e+06 max 1.96864e+06 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 1968636
Ave neighs/atom = 828.551
Neighbor list builds = 0
Dangerous builds = 0
unfix 1
thermo 1
fix 3 all nve
run 10
Neighbor list info ...
1 neighbor list requests
update every 20 steps, delay 0 steps, check yes
max neighbors/atom: 2000, page size: 100000
master list distance cutoff = 12.6744
ghost atom cutoff = 12.6744
binsize = 6.3372 -> bins = 5 5 6
Memory usage per processor = 5.02264 Mbytes
Step Temp Press PotEng KinEng TotEng q_Ti q_Oxy Lx Ly Lz Volume
11 291.43711 39000.467 -15814.109 89.469107 -15724.639 2.5514249 -1.2757124 27.582771 27.582775 32.578246 24785.834
12 289.69465 39072.309 -15813.575 88.934185 -15724.641 2.551372 -1.275686 27.582771 27.582775 32.578246 24785.834
13 287.79928 39149.855 -15812.994 88.352321 -15724.642 2.5513146 -1.2756573 27.582771 27.582775 32.578246 24785.834
14 285.75427 39232.968 -15812.368 87.724515 -15724.644 2.5512525 -1.2756262 27.582771 27.582775 32.578246 24785.834
15 283.56312 39321.472 -15811.697 87.05185 -15724.645 2.5511856 -1.2755928 27.582771 27.582775 32.578246 24785.834
16 281.22962 39415.185 -15810.983 86.335481 -15724.647 2.5511143 -1.2755571 27.582771 27.582775 32.578246 24785.834
17 278.75777 39513.921 -15810.226 85.57664 -15724.649 2.5510384 -1.2755192 27.582771 27.582775 32.578246 24785.834
18 276.15182 39617.471 -15809.428 84.776632 -15724.651 2.5509583 -1.2754791 27.582771 27.582775 32.578246 24785.834
19 273.41625 39725.622 -15808.591 83.936831 -15724.654 2.5508739 -1.275437 27.582771 27.582775 32.578246 24785.834
20 270.55575 39838.144 -15807.715 83.058679 -15724.656 2.5507855 -1.2753928 27.582771 27.582775 32.578246 24785.834
21 267.57523 39954.804 -15806.802 82.14368 -15724.659 2.5506932 -1.2753466 27.582771 27.582775 32.578246 24785.834
Loop time of 606.774 on 1 procs for 10 steps with 2376 atoms
Performance: 0.000 ns/day, 84274.222 hours/ns, 0.016 timesteps/s
99.9% CPU use with 1 MPI tasks x no OpenMP threads
MPI task timing breakdown:
Section | min time | avg time | max time |%varavg| %total
---------------------------------------------------------------
Pair | 606.77 | 606.77 | 606.77 | 0.0 |100.00
Neigh | 0 | 0 | 0 | 0.0 | 0.00
Comm | 0.00085855 | 0.00085855 | 0.00085855 | 0.0 | 0.00
Output | 0.00087833 | 0.00087833 | 0.00087833 | 0.0 | 0.00
Modify | 0.00041723 | 0.00041723 | 0.00041723 | 0.0 | 0.00
Other | | 0.0001888 | | | 0.00
Nlocal: 2376 ave 2376 max 2376 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost: 13138 ave 13138 max 13138 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
FullNghs: 1.96049e+06 ave 1.96049e+06 max 1.96049e+06 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Total # of neighbors = 1960492
Ave neighs/atom = 825.123
Neighbor list builds = 0
Dangerous builds = 0
Total wall time: 0:23:48
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