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seagullor

铜虫 (小有名气)

[求助] 在LAMMPS中如何模拟线性CO2刚性分子,求解温度和压力条件下的密度

LAMMPS中好像对三点线性刚体分子的处理比较麻烦,不能用fix shake,只能用fix rigid。但是在fix rigid下,初始化速度后,其温度和设置速度时的温度都不一致,而且计算压力时,一会就出现nan。
初始化速度时的错误:
WARNING: Cannot count rigid body degrees-of-freedom before bodies are initialized
WARNING: Changing velocities of atoms in rigid bodies. This has no effect unless rigid bodies are rebuild

不知道这个该怎么解决
有知道的指导一下吗
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jacky li

新虫 (小有名气)

楼主解决这个问题了吗?
2楼2022-01-13 21:46:23
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