Dynamic fragmentation of a ring: Predictable fragment mass distributions

S. Levy, J. F. Molinari, I. Vicari, and A. C. Davison
Phys. Rev. E 82, 066105 – Published 3 December 2010

Abstract

We employ a finite element framework, coupled to cohesive elements, to model material decohesion of a uniformly expanding ring. Our study focuses on the average fragment mass, the distribution of fragment masses, and the heaviest fragments. The computed fragment mass distributions are best captured by generalized gamma distributions, regardless of the model parameters. However, the distribution of the heaviest fragments depends on toughness, specimen size, and loading rate.

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  • Received 15 March 2010

DOI:https://doi.org/10.1103/PhysRevE.82.066105

© 2010 The American Physical Society

Authors & Affiliations

S. Levy1, J. F. Molinari1,*, I. Vicari2, and A. C. Davison2

  • 1LSMS–IIC–ENAC, Ecole Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland
  • 2STAT–IMA–SB, Ecole Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland

  • *Corresponding author; jean-francois.molinari@epfl.ch

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Issue

Vol. 82, Iss. 6 — December 2010

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