Transition from damage to fragmentation in collision of solids

Details Transition from damage to fragmentation in collision of solids Transition from damage to fragmentation in collision of solids

1998-10-23

arxiv.org/abs/cond-mat/9810315v1

Physics

Condensed Matter

Statistical Mechanics

Revtex, 12 figures included. accepted by Phys. Rev. E

Scientific paper

10.1103/PhysRevE.59.2623

We investigate fracture and fragmentation of solids due to impact at low energies using a two-dimensional dynamical model of granular solids. Simulating collisions of two solid discs we show that, depending on the initial energy, the outcome of a collision process can be classified into two states: a damaged and a fragmented state with a sharp transition in between. We give numerical evidence that the transition point between the two states behaves as a critical point, and we discuss the possible mechanism of the transition.

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