A study of fragmentation processes using a discrete element method

Details A study of fragmentation processes using a discrete element method A study of fragmentation processes using a discrete element method

1995-12-04

arxiv.org/abs/cond-mat/9512017v2

Physics

Condensed Matter

16 pages in LaTex format, 17 PostScript figures. Figures are available upon request from the authors. Submitted to Int. J. of

Scientific paper

We present a model of solids made from polygonal cells connected via beams. We calculate the macroscopic elastic moduli from the beam and cell parameters. This modellisation is particularly suited for the simulation of fragmentation processes. We study the effects of an explosion inside a circular disk and the impact of a projectile and obtain the fragment size distribution. We find that if breaking only happens under tensile forces a layer on the free wall opposed to impact is first ejected. In that case the distribution follows a power-law with an exponent that in most cases is around two.

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