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# 3d Lennard-Jones melt

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variable	x index 1
variable	y index 1
variable	z index 1
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variable	xx equal 20*$x
variable	yy equal 20*$y
variable	zz equal 20*$z

units		lj
atom_style	atomic

lattice		fcc 0.8442
region		box block 0 ${xx} 0 ${yy} 0 ${zz}
create_box	1 box
create_atoms	1 box
mass		1 1.0

velocity	all create 1.44 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	delay 0 every 20 check no

fix		1 all nve

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thermo 100
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run		300000