# 1d bar
units			si
dimension		2
boundary                s s p
atom_style         peri
atom_modify		map array
neighbor       0.003 bin

lattice         sq 0.0005
region          box block -0.0048 0.0048 -0.0006 0.0006 -0.00052 0.00052 units box
region          plate block -0.00475 0.00475 -0.0005 0.0005 -0.0005 0.0005 units box
create_box      4 box

create_atoms    1 region plate
pair_style      peri/lps
pair_coeff      * * 68e9 24e9 0.001 0.00335 0.2
pair_coeff      3 * 68e9 24e9 0.001 1 0.2
pair_coeff      4 * 68e9 24e9 0.001 1 0.2
set             group all density 2700
set             group all volume 125e-12
velocity        all set 0.0 0.0 0.0 sum no units box

region         3 block -0.00475 -0.00445 INF INF INF INF units box
group          left region 3
region         4 block 0.00445 0.00475 INF INF INF INF units box
group          right region 4
region         2 block -0.00445 0.00445 INF INF INF INF units box
group          center region 2
set            group center type 2
set            group right type 4
set            group left type 3
fix            1 all nve
fix            3 left addforce -4e8 0 0
fix            4 right addforce 4e8 0 0
fix            5 all enforce2d
compute        1 all displace/atom
timestep        5e-8
thermo          20
dump            MyDump all custom 1  dump.data    id   x  y  z
run             50000