Stress and strain in flat piling of disks

Shio Inagaki, James T. Jenkins

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

We have created a flat piling of disks in a numerical experiment, using the Distinct Element Method (DEM), by depositing them under gravity. In the resulting pile, we then measured increments in stress and strain that were associated with a small decrease in gravity. We first describe the stress in terms of the strain using isotropic elasticity theory. Then, from a micro-mechanical view point, we calculate the relation between the stress and strain using the mean strain assumption. We compare the predicted values of Young's modulus and Poisson's ratio with those that were measured in the numerical experiment.

Original languageEnglish
Pages (from-to)926-931
Number of pages6
Journaljournal of the physical society of japan
Volume73
Issue number4
DOIs
Publication statusPublished - Apr 1 2004
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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