Evolution of the effective moduli of an anisotropic, dense, granular material

L. La Ragione, Vanessa Magnanimo

Research output: Contribution to journalArticleAcademicpeer-review

14 Citations (Scopus)

Abstract

We analyze the behavior of a dense granular aggregate made by identical, elastic spheres, uni-axially compressed at constant pressure. Our goal is to predict the evolution of the effective moduli along the loading path when small perturbations are applied to stressed states. The analytical model is based upon the average strain theory. We show that the moduli in the anisotropic state normalized with the corresponding initial isotropic value, are captured by a so crude model. Numerical simulations support this result.
Original languageEnglish
Pages (from-to)749-757
Number of pages8
JournalGranular matter
Volume14
Issue number6
DOIs
Publication statusPublished - 2012

Keywords

  • METIS-294207
  • IR-84143

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