Constitutive Relations for Granular Solids Accounting for Heterogeneous Deformation Fields

by Anil Misra, Univ of Missouri, Independence, United States,
Ching S. Chang, Univ of Missouri, Independence, United States,



Document Type: Proceeding Paper

Part of: Mechanics Computing in 1990's and Beyond

Abstract:

Under high deviatoric stress levels corresponding to large strains, the deformation of granular media is highly heterogeneous. A micro-mechanical approach is developed here to model the stress-strain behavior of granular solids accounting for the heterogeneity.

Subject Headings: Stress strain relations | Granular materials | Strain | Heterogeneity | Deformation (mechanics) | Mathematical models | Material properties

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