# small Peridynamic cylinder hit by projectile

units           si
boundary        s s s
atom_style      peri
atom_modify     map array
neighbor        0.0010 bin

# small target

lattice         sc 0.0005
region          target cylinder y 0.0 0.0 0.0050 -0.0050 0.0 units box
create_box      1 target
create_atoms    1 region target

pair_style      peri/eps
pair_coeff      * * 14.9e9 14.9e9 0.0015001 0.0005 0.25 10.0e8
set             group all density 2200
set             group all volume 1.25e-10
velocity        all set 0.0 0.0 0.0 sum no units box
fix             1 all nve

# spherical indenter to shatter target

variable        y0 equal 0.00155
variable        vy equal -100
variable        y equal "v_y0 + step*dt*v_vy"

fix             2 all indent 1e17 sphere 0.0000 v_y 0.0000 0.0015 units box

compute         1 all damage/atom
timestep        1.0e-7
thermo          100

#dump            1 all custom 100 dump.peri id type x y z c_1

#dump           2 all image 50 image.*.jpg type type &
#               axes yes 0.8 0.02 view 80 -30 adiam 0.0006
#dump_modify    2 pad 4

#dump           3 all movie 50 movie.mpg type type &
#               axes yes 0.8 0.02 view 80 -30 adiam 0.0006
#dump_modify    3 pad 4

run             1000