From Spheres to Spheropolyhedra: Generalized Distinct Element Methodology and Algorithm Analysis

Lionel Pournin () and Thomas M. Liebling ()
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Lionel Pournin: Mathematics Institute, EPFL – Ecole Polytechnique Fédérale de Lausanne
Thomas M. Liebling: Mathematics Institute, EPFL – Ecole Polytechnique Fédérale de Lausanne

Chapter 16 in Research Trends in Combinatorial Optimization, 2009, pp 347-363 from Springer

Abstract: Summary The Distinct Element Method (DEM) is a popular tool to perform granular media simulations. The two key elements this requires are an adequate model for inter-particulate contact forces and an efficient contact detection method. Originally, this method was designed to handle spherical-shaped grains that allow for efficient contact detection and simple yet realistic contact force models. Here we show that both properties carry over to grains of a much more general shape called spheropolyhedra (Minkowski sums of spheres and polyhedra). We also present some computational experience and results with the new model.

Date: 2009
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-540-76796-1_16

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DOI: 10.1007/978-3-540-76796-1_16

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