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Multi-sphere approximation of real particles
 发布时间:2016/3/28 浏览次数:2445

Multi-sphere approximation of real particles for DEM simulation based on a modified greedy heuristic algorithm

Abstract:We transfer the multiple spheres approximation problem to a set covering problem.61We use a 0–1 matrix to describe the multiple spheres approximation.61The modified heuristic greedy algorithm is applied to solve the problem in short time.61A simply connected particle is represented with less than 60 spheres.61The error of volume, area and moment of inertia is almost less than 3%.

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