in.npt_biaxial
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			# biaxial NPT deformation of WCA fluid

			units lj
			atom_style atomic


			pair_style lj/cut 1.122562
			read_data data.wca
			pair_coeff 1 1 1.0 1.0
			pair_modify shift yes

			neighbor 0.5 bin
			neigh_modify delay 0

			change_box all triclinic

			# these commads show the different methods that may be used to impose
			# a constant stress through isotropic or anisotropic coupling
			fix 1 all npt/uef temp 0.722 0.722 0.5 iso 10 10 5 erate 0.5 0.5 ext z
			#fix 1 all npt/uef temp 0.722 0.722 0.5 z 10 10 5 erate 0.5 0.5 ext xyz

			fix 2 all momentum 100 linear 1 1 1

			#dump 1 all atom 25 dump.lammpstrj

			#dump 2 all cfg/uef 25 dump.*.cfg mass type xs ys zs

			thermo_style custom step c_1_press[1] c_1_press[2] c_1_press[3]

			thermo 50
			run 10000

lammps/examples/USER/uef/npt_biaxial/in.npt_biaxial6dd55e49cbc4lammm-devel