Frozen-Penguin 发表于 2022-10-7 13:58 啊!那我应该是当成步数了!感谢提示!!!! |
| annealing-time 的单位好像是ps吧,模拟总时长比这几个时间短多了 |
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不过我在md阶段的温度是平衡在398k的 这是我md的文件 ; Run parameters integrator = md ; leap-frog integrator ;nsteps = 5000000000 ; 10us nsteps = 50000000 ; 100 ns dt = 0.002 ; 2 fs comm-mode = Angular ; remove center of mass translational and rotational velocity ; Output control ;nstxout = 0 ; save coordinates every 10.0 ps nstxout = 10000 ; save every 20.0 ps nstvout = 10000 ; save velocities every 10.0 ps nstenergy = 20000 ; save energies every 10.0 ps nstlog = 20000 ; update log file every 10.0 ps nstxout-compressed = 5000 compressed-x-precision =1000 compressed-x-grps = Protein ; Bond parameters continuation = yes ; Restarting after NPT constraint_algorithm = SHAKE ; holonomic constraints shake-tol = 0.0001 ; for shake algorithm constraints = H-bonds ; all bonds (even heavy atom-H bonds) constrained lincs_iter = 1 ; accuracy of LINCS lincs_order = 4 ; also related to accuracy ; Neighborsearching cutoff-scheme = Verlet ns_type = grid ; search neighboring grid cells ;nstlist = 10 ; 20 fs, largely irrelevant with Verlet scheme ;nstlist = 5 ;rlist = 0.8 ;rlist = 1.4 rcoulomb = 0.8 ; short-range electrostatic cutoff (in nm) vdwtype = cutoff rvdw = 0.8 ; short-range van der Waals cutoff (in nm) ; Electrostatics coulombtype = PME ; Particle Mesh Ewald for long-range electrostatics pme_order = 4 ; cubic interpolation fourierspacing = 0.16 ; grid spacing for FFT ; Temperature coupling is on tcoupl = V-rescale ; modified Berendsen thermostat tc-grps = Protein Non-Protein ; two coupling groups - more accurate tau_t = 0.1 0.1 ; time constant, in ps ref_t = 398 398 ; reference temperature, one for each group, in K ; Pressure coupling is on pcoupl = Parrinello-Rahman ; Pressure coupling on in NPT pcoupltype = isotropic ; uniform scaling of box vectors tau_p = 0.5 ; time constant, in ps ref_p = 1.013 ; reference pressure, in bar compressibility = 4.5e-5 ; isothermal compressibility of water, bar^-1 ; Periodic boundary conditions pbc = xyz ; 3-D PBC ; Dispersion correction DispCorr = EnerPres ; account for cut-off vdW scheme ; Velocity generation gen_vel = no ; Velocity generation is off |
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