#initialization

boundary p p f
units		metal
atom_style	atomic

#Atom Definition

read_data data.cnt.txt

#Settings

pair_style airebo 3.0
pair_coeff * * C:\LAMMPS\CH.airebo.txt C 

group lower id >= 1361
group upper id <= 40
group cnt type == 1
group boundary union lower upper
group body subtract all boundary

fix 1 cnt nvt temp 300.0 300.0 0.5
velocity upper set 0.0 0.0 5.0 units box
velocity lower set 0.0 0.0 -5.0 units box

dump 1 all xyz 10 cntcoord2.xyz
dump 2 upper custom 100 dump.myforceup id type z fz
dump 3 lower custom 100 dump.myforcedown id type z fz

run  100000