A TWO-DIMENSIONAL DYNAMIC SIMULATION OF SOLID FRACTURE PART I: DESCRIPTION OF THE MODEL

Alexander V. Potapov, Mark A. Hopkins and Charles S. Campbell
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Alexander V. Potapov: Department of Mechanical Engineering, University of Southern California, Los Angeles, California 90089–1453, USA
Mark A. Hopkins: US Army Cold Regions Research and Engineering Laboratory, Hanover, New Hampshire 03755–1290, USA
Charles S. Campbell: Department of Mechanical Engineering, University of Southern California Los Angeles, California 90089–1453, USA

International Journal of Modern Physics C (IJMPC), 1995, vol. 06, issue 03, 371-398

Abstract: This paper describes a two-dimensional computer simulation of solid fracture that allows the body and the fragments to be followed well beyond the point of simple crack formation. The model is based on discrete particle computer simulations used for studying granular flows. Here, macroscopic polygonal solid are constructed by “gluing” together small elements. Depending on the stress conditions the glued bonds between the elements can respond elastically, undergo plastic failure or break, allowing cracks to propagate across the macroscopic particle along the boundaries between their microscopic constituents. In essence, this process creates a simulated material upon which breakage occurs. Several element shapes have been studied.

Keywords: Fracture; Fragmentation; Computer Simulation (search for similar items in EconPapers)
Date: 1995
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DOI: 10.1142/S0129183195000277

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