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An algorithm to generate random dense arrangements for discrete element simulations of granular assemblies

机译:一种生成随机密集排列的算法,用于颗粒装配的离散元素模拟

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摘要

A discrete element simulation of a mechanical problem involving granular materials begins with the definition of the geometry of the sample to be analyzed. Since the dynamic sample preparation methods typically used in the practice are very time-consuming, constructive algorithms are becoming increasingly popular. This paper introduces a novel constructive method for the preparation of random, isotropic assemblies of contacting circular discs with a user-defined grain size distribution. The proposed approach is compared with other currently applied sample preparation methods.
机译:涉及粒状材料的机械问题的离散元素模拟始于要分析样品的几何形状的定义。由于通常在实践中使用的动态样本制备方法非常耗时,因此构造性算法越来越受欢迎。本文介绍了一种新颖的构造方法,用于制备具有用户定义的粒度分布的接触圆盘的随机各向同性组件。将提出的方法与其他当前应用的样品制备方法进行了比较。

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