Weakly nonlocal continuum theories of granular media: Restrictions from the Second Law

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Abstract

The classical continuum mechanical model of granular media of rational thermodynamics results in a Coulomb-Mohr type equilibrium stress-strain relation. The proof is based on a two component material model introducing a scalar internal variable. Here we will show how one can get similar stress-strain relations without assuming a balance of substructural interactions, considering only the restrictions of the Second Law of thermodynamics.

Original languageEnglish
Pages (from-to)5921-5927
Number of pages7
JournalInternational Journal of Solids and Structures
Volume41
Issue number21
DOIs
Publication statusPublished - Oct 1 2004

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Keywords

  • Continuum theories of granular material
  • Nonequilibrium thermodynamics
  • Second Law

ASJC Scopus subject areas

  • Modelling and Simulation
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Applied Mathematics

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