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汪斌10

新虫 (小有名气)

[求助] MD 平面膜模拟,各向异性的问题

MD仿真,对于平面膜的模拟(长方体盒结构,粗粒化模型),mdp文件参数如下:
Tcoupl = Berendsen
tc_grps =DPPC  Protein  PW_ION
tau_t = 1.0   1.0   1.0
ref_t = 310   310   310
Pcoupl = Berendsen
pcoupltype = semiisotropic
tau_p =  0.2  0.2  
compressibility =  3e-5   3e-5
ref_p =  1.0  1.0

未加入电场时,能够正常的运行;加入电场后,盒子变矮变宽,并报错中断,如下:
Fatal error:
The Z-size of the box (15.861096) times the triclinic skew factor (1.000000) is smaller than the number of DD cells (12) times the smallest allowed cell size (1.321887)
网上说是减少并行核数,但是没啥用,我觉得可能是参数设置问题导致系统不够稳定,希望大神能帮忙看下。(附件是整个mdp文件)
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