, Volume 6, Issue 4, pp 219-229
Date: 17 Nov 2011

A double slip non-coaxial flow rule for viscous-plastic Cosserat materials

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Abstract

We propose a double slip non-coaxial plastic model within the framework of a Cosserat continuum theory. In a Cosserat continuum, a material point possesses the degrees of freedom of an infinitesimal rigid body: two translations and one rotation in 2D. We formulate the plastic model into viscous-plastic constitutive relationships and illustrate the viscous-plastic behaviour of the model by means of numerical solution of a simple shear problem.