Dynamic fracture in a discrete model of a brittle elastic solid

Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics
T MartínI Zuniga

Abstract

Dynamic fracture of brittle materials is studied by means of a molecular dynamics simulation of a two-dimensional (2D) lattice of point particles. By a particular discretization of the continuum equations of elasticity, we derive the Born model in such a way that the model parameters are related to the material properties. Numerical simulations are performed, which show a branching instability, under Mode I loading, occurring at a critical crack tip speed. The analysis of the dynamical stress tensor field near the tip shows a qualitative similarity to Yoffe's stress field.

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Citations

Feb 17, 2011·The Journal of Chemical Physics·David KauzlarićJan G Korvink
May 21, 2005·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·T MartínM A Rubio
Sep 21, 2002·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Shay I HeizlerHerbert Levine
Jun 4, 2008·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Marcel B J Meinders, Ton van Vliet
May 1, 2021·Polymers·Matías BraunJosé Fernández-Sáez

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