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Elastic consequences of a single plastic event: A step towards the microscopic modeling of the flow of yield stress fluids

By G. Picard, A. Ajdari, F. Lequeux and L. Bocquet

Abstract

With the eventual aim of describing flowing elasto-plastic materials, we focus here on the elementary process of such a flow, a plastic event, and compute the long-range perturbation it elastically induces in a medium submitted to a global shear strain. We characterize the effect of a nearby wall on this perturbation, and quantify the importance of finite-size effects. Although most of our explicit formulae refer to 2D situations, our statements hold for 3D situations as well

Publisher: Società Italiana di Fisica
Year: 2004
DOI identifier: 10.1140/epje/i2004-10054-8
OAI identifier: oai:edpsciences.org:dkey/10.1140/epje/i2004-10054-8
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