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Shearing self-propelled suspensions: Arrest of coarsening and suppression of giant density fluctuations

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Original languageEnglish
Article number031930
Pages (from-to)-
Number of pages5
JournalPhysical Review E - Statistical, Nonlinear and Soft Matter Physics
Volume84
Issue number3
DOIs
StatePublished - 29 Sep 2011

Abstract

We study the effect of a linear shear flow on a collection of interacting active, self-propelled particles modeled via the Vicsek model. The imposed flow has a dramatic effect on the behavior of the model. We find that in the presence of shear there is no order-disorder transition, and that coarsening of the domains is arrested. Shear also suppresses the so-called giant density fluctuations that are observed in the quiescent limit.

    Research areas

  • PHASE-SEPARATION, DYNAMICS, MODEL, PARTICLES, TRANSPORT

ID: 1451530