# This test calculates several Hardy fields for a system subjected to # unaxial strain using the "quartic_cylinder" Hardy localization function. units metal atom_style atomic # create domain lattice fcc 3.615 origin 0.25 0.25 0.25 region simRegion block -18 18 -3 3 -3 3 region feRegion block -18 18 -3 3 -3 3 boundary f p p create_box 1 simRegion # create atoms region mdRegion block -17 17 -3 3 -3 3 create_atoms 1 region mdRegion mass 1 63.550 # specify interal atoms region mdInternal block -16 16 -3 3 -3 3 group internal region mdInternal # specify inter-atomic potential pair_style eam pair_coeff * * ../../../../potentials/Cu_u3.eam # specify neighbor/re-neighboring parameters neighbor 0.3 bin neigh_modify every 10 delay 0 check no # setup thermal output thermo 10 thermo_style custom step pe ke press lx ly lz # ID group atc PhysicsType ParameterFile fix AtC internal atc hardy fix_modify AtC kernel quartic_cylinder 9.0375 # fix_modify AtC atom_element_map eulerian 1 fix_modify AtC fields none fix_modify AtC fields add mass_density displacement stress internal_energy fix_modify AtC gradients add displacement # fix_modify AtC on_the_fly kernel on # fix_modify AtC on_the_fly bond on # ID part keywords nx ny nz region fix_modify AtC mesh create 9 1 1 feRegion f p p # equilibrate MD field timestep 0.001 reset_timestep 0 run 1 displace_atoms all ramp x -0.6507 0.6507 x -65.07 65.07 fix_modify AtC output eam_unistrain_qcylinderFE 1 text run 1