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lammps/examples/PACKAGES/stressprofile/in.flat
2025-01-29 13:29:15 -07:00

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# compute stress/cartesian for a flat liquid-vapor interface
units lj
atom_style atomic
processors * * 1
lattice fcc 0.8442
region box block 0 10 0 10 0 30
region liquid block 0 10 0 10 10 20
create_box 1 box
create_atoms 1 region liquid
mass 1 1.0
velocity all create 0.65 87287 loop geom
pair_style lj/cut 2.5
pair_coeff 1 1 1.0 1.0 2.5
neighbor 0.3 bin
neigh_modify every 20 delay 0 check no
fix 1 all nvt temp 0.7 0.7 0.2
#dump id all atom 50 dump.flat
#dump 2 all image 25 image.*.jpg type type &
# axes yes 0.8 0.02 view 60 -30
#dump_modify 2 pad 3
#dump 3 all movie 25 movie.mpg type type &
# axes yes 0.8 0.02 view 60 -30
#dump_modify 3 pad 3
fix 2 all recenter NULL NULL 15 units lattice
compute p1 all stress/cartesian z 0.5 NULL 0
fix 3 all ave/time 100 1 100 c_p1[*] file flat.out mode vector
thermo 50
thermo_style custom step temp epair emol etotal press c_p1[50][3] c_p1[50][4] c_p1[50][5] c_p1[50][6] c_p1[50][7] c_p1[50][8]
run 1000