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zhuimeng08銀蟲 (正式寫手)
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gromacs npt出現(xiàn)問題 已有1人參與
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在對(duì)體系跑npt平衡時(shí),盒子中出現(xiàn)了空洞,這是怎么回事? 下面是我跑完npt的pdb。一共跑了500ps,在大約300ps是開始出現(xiàn)洞。 我分別嘗試了 在z軸不同的壓力,一個(gè)是1atm 2atm 都出現(xiàn)了洞。 參數(shù)應(yīng)該怎樣調(diào)整呢? ; Temperature coupling is on in three groups Tcoupl = Nose-Hoover ; Weak coupling tc_grps = protein_HEM_UHD SOL DPPC ; three coupling groups - more accurate tau_t = 0.5 0.5 0.5 ; time constant, in ps ref_t = 325 325 325 ; reference temperature, one for each group, in K Pressure coupling Pcoupl = Parrinello-Rahman ; Weak coupling Pcoupltype = semiisotropic ; uniform scaling of x-y vectors, independent z tau_p = 5.0 ref_p = 2.0 2.0 ; reference pressure, x-y, z (in bar) compressibility = 4.5e-5 4.5e-5 ; isothermal compressibility, bar^-1 ; Generate velocities is off gen_vel = no ; Velocity generation is off ; Periodic boundary conditions are on in all directions pbc = xyz ; 3-D PBC |
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