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#3d indenter simulation
units         metal
dimension       3
boundary      p p s

atom_style    atomic
neighbor      2.0 bin
neigh_modify  delay 5.0
lattice       diamond 3.567

read_data     data.0
mass          1 12.0

#Potential Setting

newton        on
pair_style    tersoff
pair_coeff    * * C.tersoff C

#define groups
region 1 block  O 142.68 O 142.68 0 6.62 units box
region 2 block  O 142.68 O 142.68 6.62 20 units box
region 3 block  O 142.68 O 142.68 22 42.68 units box
region 4 block  O 142.68 O 142.68 O 42.68 units box
group 11 region 1
group 22 region 2
group 33 region 3
group 44 region 4
set group 44 type 1
#define velcity
fix 1 44 nve
fix 2 33 rigid/nve single
fix 3 11 setforce 0.0 0.0 0.0
velocity 33 set 0.0 0.0 -0.01 units box
fix dong 33 setforce 0.0 0.0 -0.01

timestep     0.001
thermo              100
thermo_style custom step pe ke

dump              1  all atom 100 dump.atom
dump_modify  1  scale no

run 1000000

#run without indenter
velocity 33 set 0.0 0.0 0.01 units box
unfix dong
run 1000000
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region 3 block  O 142.68 O 142.68 22 42.68 units box
region 4 block  O 142.68 O 142.68 O 42.68 units box
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