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come4c

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[交流] 【求助】请教gromacs中所谓的image到底是什么概念

一直不太明白gromacs中image到底是什么概念?尤其是选择盒子类型的时候的那个image distance是什么?手册里3.2节介绍盒子的俩图都是外面一个立方体框架做参照,内部分别是斜方十二面体和切去角的八面体,它们参数里都有相同的image distance,能否请高手借着两个例子解释一下image distance是什么,谢谢!

另外,3.2.2中还有一句"Each unit cell (cubic, rectangular or triclinic) is surrounded by 26 translated images." 请问这26个 translated image指的是什么?

[ Last edited by come4c on 2011-3-10 at 09:34 ]
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