Shear-induced clustering in a simple driven diffusive model

O J O'Loan, M R Evans, M E Cates

Research output: Contribution to journalArticlepeer-review

Abstract

We study a simple lattice model of shear-induced clustering in two dimensions in which clusters of particles aggregate under an imposed shear flow and fragment stochastically. Two non-equilibrium steady states are identified: an unjammed state and a jammed slate characterised by a system-spanning cluster. A discontinuous jamming transition with strong hysteresis occurs as the shear rate is increased or fragmentation rate decreased. We study the kinetics of jamming and measure power law cluster size distributions. We also consider some general simulation issues including the role of Galilean invariance. (C) 1998 Elsevier Science B.V. All rights reserved.

Original languageEnglish
Pages (from-to)109-122
Number of pages14
JournalPhysica a-Statistical mechanics and its applications
Volume258
Issue number1-2
DOIs
Publication statusPublished - 1 Sep 1998

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