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#  in.ni

units metal
boundary p p p
atom_style atomic
dimension 3

lattice fcc 3.52  orient y 0 1 1 orient z 0 -1 1
region box block 0 24 0 13 0 2
create_box 1 box
create_atoms 1 box
region left block INF 0 INF INF INF INF
region right block 23 INF INF INF INF INF
group left region left
group right region right
group boundary union left right
group mobile subtract all boundary
region void cylinder z 42.24 32.4815 7.465 INF INF units box  
delete_atoms region void

pair_style  meam
pair_coeff  * * library.meam Ni ni.meam Ni

neighbor     2 bin
neigh_modify  every 5  check yes
timestep     0.001

velocity  all  create  300  345678  
fix  1  all  npt  temp  300  300  0.1  y  0 0 5  z  0  0  5

thermo_style custom step temp etotal pe ke press pxx pyy pzz
thermo       1000
run          10000

fix  1  all  npt  temp  300  300  0.1  y  0 0 5  z  0  0  5
fix          tensile  all  deform 1  x erate  0.01 units box

# define strain
variable     tmp equal "lx"
variable     L0 equal ${tmp}  
variable     strain equal "(lx - v_L0)/v_L0"

variable     p1  equal "-pxx/10000"
variable     p2  equal "-pyy/10000"
variable     p3  equal "-pzz/10000"
variable     st      equal   "step"
variable     p0      equal   "v_strain*100"

fix          def1 all print 1000 "${st}  ${p0}  ${p1} ${p2} ${p3}" file x-Ni.txt screen no
dump         1 all custom  1000  dump.dat id x y z     
thermo       1000
run          41000
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