in.melt-opt
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			# 3d Lennard-Jones melt

			units lj
			atom_style atomic

			lattice fcc 0.8442
			region box block 0 20 0 20 0 20
			create_box 1 box
			create_atoms 1 box
			mass 1 1.0

			velocity all create 3.0 87287

			pair_style lj/cut/opt 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 nve

			dump id all atom 50 dump.melt

			thermo 50
			run 250

lammps/examples/USER/openmp/in.melt-opt89a04320a2f7lammps-icms