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首页> 外文期刊>The Journal of Chemical Physics >Some issues on the calculation of interfacial properties by molecular simulation
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Some issues on the calculation of interfacial properties by molecular simulation

机译:分子模拟计算界面性质的若干问题

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摘要

Some of the pitfalls that may befall molecular simulations of interfaces are discussed. They are all related to the calculation of the pressure tensor profiles, which are needed in order to compute surface tensions. We focus on three controversial points: (1) the calculation of the pressure tensor profiles for polyatomic systems, in particular, when the SHAKE algorithm is employed, (2) the addition of long-range corrections to compensate the truncation of the potential, and (3) the importance of including adequate error intervals with the results. Most of the conclusions are general, but some specifically apply to multiple site molecular-dynamics simulations. (C) 2004 American Institute of Physics.
机译:讨论了可能在界面分子模拟方面遇到的一些陷阱。它们都与压力张量曲线的计算有关,这是计算表面张力所必需的。我们着眼于三个有争议的点:(1)多原子系统的压力张量分布的计算,特别是当使用SHAKE算法时;(2)添加远程校正以补偿电位的截断;以及(3)在结果中包括足够的错误间隔的重要性。大多数结论是笼统的,但有些结论特别适用于多部位分子动力学模拟。 (C)2004年美国物理研究所。

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