Volume 81, Number 4, February 2008
|Number of page(s)||6|
|Section||Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics|
|Published online||24 January 2008|
Generic behaviours in impact fragmentation
Laboratoire de Physique Théorique de la Matière Condensée, Université Pierre et Marie Curie (Paris 6), UMR CNRS 7600 - 4 place Jussieu, 75252 Paris Cedex 05, France
2 Laboratoire de Physique Statistique, Ecole Normale Supérieure - 24 rue Lhomond, 75231 Paris Cedex 05, France
Corresponding author: email@example.com
Accepted: 18 December 2007
We present a simple numerical model for investigating the general properties of fragmentation. By use of molecular dynamics simulations, we study the impact fragmentation of a solid disk of interacting particles with a wall. Regardless of the particular form of the interaction potential, the fragment size distribution exhibits a power law behaviour with an exponent that increases logarithmically with the energy deposited in the system, in agreement with experiments. We expect this behaviour to be generic in fragmentation phenomena.
PACS: 46.50.+a – Fracture mechanics, fatigue and cracks / 62.20.Mk – Fatigue, brittleness, fracture, and cracks / 89.75.Da – Systems obeying scaling laws
© EPLA, 2008
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