Internal Stress in a Model Elasto-Plastic Fluid

Abstract

Plastic materials can carry memory of past mechanical treatment in the form of internal stress. We introduce a natural definition of the vorticity of internal stress in a simple two-dimensional model of elasto-plastic fluids, which generates the internal stress. We demonstrate how the internal stress is induced under external loading, and how the presence of the internal stress modifies the plastic behavior.

4 pages, 3 figures

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• Strain localization and anisotropic correlations in a mesoscopic model of amorphous plasticity
• Transition in the pattern of cracks resulting from memory effects in paste
• Derivation of Hydrodynamics from the Hamiltonian description of particle systems
• An elasto-visco-plastic model for immortal foams or emulsions
• Memory effect on the formation of drying cracks
• Effect of Interaction on the Formation of Memories in Paste
• Continuum theory of memory effect in crack patterns of drying pastes
• Internal stress as a link between macroscale and mesoscale mechanics