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[ÇóÖú] fix viscosityÃüÁîÇóÖú

¸Õ¸Õ¿ªÊ¼Ñ§Ï°lammps£¬ÏëÏÈÊÔ×ÅÓÃdpd·½·¨¼ÆËãÒ»¸öµ¥Ò»Öé×ÓÌåϵµÄÕ³¶È£¬ÆäÖÐÕ³¶ÈÓÉfix viscosityÃüÁî¼ÆË㡣дµÄinÎļþÈçÏ£º
dimension 3
units lj
atom_style atomic

read_data data.initial

neighbor 1.2 bin
neigh_modify delay 3

pair_style dpd 1.0 1.0 1234567
pair_coeff 1 1 25.0 4.5

communicate single vel yes

velocity all create 1.0 4928259 dist gaussian
fix 1 all nve
fix 2 all viscosity 50 x z 10

timestep 0.05
thermo 10

dump 1 all local 1000 initial.dump f_2
run 30000
write_restart initial.restart

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