lammps/bench/in.eam

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# bulk Cu lattice
variable x index 20
variable y index 20
variable z index 20
units metal
atom_style atomic
lattice fcc 3.615
region box block 0 $x 0 $y 0 $z
create_box 1 box
create_atoms 1
pair_style eam
pair_coeff 1 1 cuu3.eam
velocity all create 1600.0 376847 loop geom
neighbor 1.0 bin
neigh_modify every 1 delay 5 check yes
fix 1 all nve
timestep 0.005
thermo 50
run 100