variable T equal 0.8
variable p_solid equal 0.05

read_data data.mop

pair_style lj/cut 2.5
pair_coeff * * 1.0 1.0
pair_coeff 1 2 0.5 1.0 
pair_coeff 2 2 0.0 0.0
neigh_modify delay 0

group liquid type 1
group solid type 2
region bottom block INF INF INF INF INF 7.0
group bottom region bottom
group solid_bottom intersect solid bottom
group solid_up subtract solid solid_bottom

variable faSolid equal ${p_solid}*lx*ly/count(solid_up)
fix piston_up solid_up aveforce NULL NULL -${faSolid} 
fix freeze_up solid_up setforce 0.0 0.0 NULL 
fix freeze_bottom solid_bottom setforce 0.0 0.0 0.0
fix nvesol solid nve
compute Tliq liquid temp
fix nvtliq liquid nvt temp $T $T 0.5
fix_modify nvtliq temp Tliq

thermo 1000
thermo_modify flush yes temp Tliq

fix fxbal all balance 1000 1.05 shift z 10 1.05

compute mopz0 all stress/mop z center kin conf
fix mopz0t all ave/time 1 1 1 c_mopz0[*] file mopz0.time

compute moppz liquid stress/mop/profile z 0.0 0.1 kin conf
fix moppzt all ave/time 1 1 1 c_moppz[*] ave running overwrite file moppz.time mode vector

run 0