atom_style  atomic
lattice         fcc 1.0
region    simRegion block -50 50  0 1 0 1
boundary  f p p
create_box  1 simRegion
mass    1 39.95 # need to keep this
atom_modify     sort 0 1

lattice         fcc 5.405 origin 0.25 0.25 0.25
region          atcRegion block -6.25 19.25 -3 3 -3 3
fix             AtC all   atc shear     Ar_visc_no_atoms.mat
#               ID  part keywords    nx ny nz region    periodicity
fix_modify      AtC mesh create 12 1  1   atcRegion f p p
# add nodesets
#               ID  mesh create_nodeset tag xmin xmax ymin ymax zmin zmax
fix_modify      AtC mesh create_nodeset rbc  19.2  19.3   -INF  INF   -INF  INF
fix_modify	AtC mesh create_nodeset lbc -6.3 -6.2 -INF INF -INF INF
fix_modify     AtC  fix velocity x all 0.
fix_modify     AtC  initial velocity y all 0.
fix_modify     AtC  fix velocity z all 0.

# turn on kinetostat
reset_timestep 0
fix_modify      AtC  reset_time
fix_modify      AtC  fix velocity y rbc 0.1
fix_modify	AtC fix velocity y lbc 0.

# ouput commands
fix_modify      AtC  output shear_no_atomsFE 200 text binary
# set-up non-equilibrium IC
thermo          100
run             5000