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Bessel

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fix                2 lo move linear 0 0 0

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fix             1 hi nvt temp 3 3 200

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fix                2 lo move linear 0 0 NULL

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units           lj
atom_style      atomic
lattice         fcc 0.8442
region          box block 0 5 0 5 0 5
create_box      2 box
region                hi block  0 5 0 5 2.5 5
region                lo block  0 5 0 5 0 2.5
create_atoms    1 region hi
create_atoms    2 region lo
mass            * 1.0
velocity        all create 3.0 825577 dist gaussian
pair_style      lj/cut 2.5
pair_coeff      * * 1.0 1.0 2.5
neighbor        2.0 nsq
neigh_modify    every 20 delay 0 check no
group                hi type 1
group                lo type 2
fix             1 hi nvt temp 3 3 200
fix                2 lo move linear 0 0 0
#fix                2 lo setforce 0 0 0
dump                1 all atom 100 dump.friction
dump_modify     1 sort id
dump                2 all image 200 *.jpg type type
timestep        0.005
thermo          1000
run                5000
clear


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