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EFFICIENT EWALD ELECTROSTATIC CALCULATIONS FOR LARGE SYSTEMS

机译:大型系统的有效EWALD静电计算

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A method is described which improves the efficiency of Ewald simulations of large condensed phase systems. This is achieved by partitioning the real space sum into a short and long range component. The long range component is calculated every time the pair list is generated and included in subsequent steps using a multiple time:step algorithm. The corresponding increase in the effective cutoff distance results in an algorithm which is only slightly more expensive than a traditional cutoff simulation, but with fewer artifacts than obtained using a cutoff. The method is tested on a 1.0M solution of sodium chloride. [References: 17]
机译:描述了一种提高大型冷凝相系统的Ewald模拟效率的方法。这是通过将实空间和划分为短距离和长距离分量来实现的。每次生成配对列表时都会计算远距离分量,并使用多重时间步长算法将其包含在后续步骤中。有效截止距离的相应增加导致了一种算法,该算法仅比传统的截止仿真稍贵,但是与使用截止获得的伪像相比,伪像更少。该方法在1.0M氯化钠溶液中测试。 [参考:17]

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