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解子林新蟲 (小有名氣)
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[求助]
本人使用lammps軟件進(jìn)行反應(yīng)模擬時(shí),溫度出現(xiàn)飛溫現(xiàn)象
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本人使用lammps軟件reaxff進(jìn)行反應(yīng)模擬時(shí),體系溫度出現(xiàn)飛溫現(xiàn)象,以下是我的in文件: # ReaxFF potential for MOF units real boundary p p p atom_style charge read_data data.txt mass 1 12.0107 mass 3 1.00794 mass 4 15.9994 mass 5 15.9994 mass 6 65.38 mass 7 15.9994 mass 8 1.00794 pair_style reax 6.0 1 1 1.0e-6 pair_coeff * * ffield.reax 1 1 2 3 3 4 3 2 compute reax all pair reax variable eb equal c_reax[1] variable ea equal c_reax[2] variable elp equal c_reax[3] variable emol equal c_reax[4] variable ev equal c_reax[5] variable epen equal c_reax[6] variable ecoa equal c_reax[7] variable ehb equal c_reax[8] variable et equal c_reax[9] variable eco equal c_reax[10] variable ew equal c_reax[11] variable ep equal c_reax[12] variable efi equal c_reax[13] variable eqeq equal c_reax[14] neighbor 2.5 bin neigh_modify every 10 delay 0 check no group 1 type 1 2 3 4 5 6 group 2 type 7 8 #minimize 1.0e-4 1.0e-6 100 1000 velocity all create 300.0 4928459 units box fix 1 all reax/bonds 1000 bonds.reax fix 2 all npt temp 300.0 300.0 10.0 iso 1.0 1.0 500.0 dump 1 all custom 1000 trj.1water id type q x y z #dump_modify 1 scale no dump_modify 1 sort 1 restart 100 restart1 restart2 thermo 1000 thermo_style custom step cpu temp evdwl ecoul epair etotal press vol enthalpy & v_eb v_ea v_elp v_emol v_ev v_epen v_ecoa v_ehb & v_et v_eco v_ew v_ep v_efi v_eqeq thermo_modify flush yes timestep 1 run 2000000 哪位大神指點(diǎn)一下! |
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