| tau_p太大了,设小再试 |
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本帖最后由 lyl 于 2021-3-8 15:38 编辑 带有CH2OH极性基团的五元环烃与乙烯交替共聚,为了使密度稳定,进行分段压缩。不带极性基团密度比较稳定,随着极性基团含量增加密度出现周期变化 mpirun -np 4 gmx_mpi mdrun -ntomp 6,使用了4块GPU 采用Berendsen热浴和Berendsen控压 mdp参数 title = POSS integrator = md dt = 0.001 nsteps = 100000 nstxout = 10000 nstvout = nstlog = 1000 nstenergy = 1000 nstxout-compressed = 10000 ; output for .xtc file compressed-x-grps = System nstlist = 10 ns_type = grid rlist = 1.0 coulombtype = PME rcoulomb = 1.0 vdw_type = Cut-off cutoff-scheme = Verlet rvdw = 1.0 rvdw_switch = 0 tcoupl = Berendsen ;tcoupl = nose-hoover tc-grps = system tau_t = 0.5 ref_t = 800 Pcoupl = Berendsen Pcoupltype = isotropic tau_p = 5.0 compressibility = 4.5e-5 ref_p = 1.0 gen_vel = yes gen_temp = 1000 gen_seed = 13029 constraint-algorithm = SHAKE constraints = none pbc = xyz epsilon_rf = 0 DispCorr = EnerPres fourierspacing = 0.12 |
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说清楚什么体系、什么热浴、什么控压参数。“分段压缩盒子”语义不明 如果是PR压浴,尝试改成berendsen |
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