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Micro-deformation mechanism of granular materials under different boundary conditions based on DEM simulation

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Series of biaxial compression simulations are carried out to investigate the effects of boundary condition on the deformation of granular materials by using DEM. The parameters used in DEM are validated by the biaxial compression experiments on elliptical steel bars. The effects of boundary condition on the stress-strain relationship are analyzed. And special focus are put in the analysis of particle displacement, particle rotation, void distribution, particle long axis orientation and contact force with the development of deformation.

Original languageEnglish
Title of host publicationProgress in Civil Engineering
Pages3361-3366
Number of pages6
DOIs
StatePublished - 2012
Event2nd International Conference on Civil Engineering, Architecture and Building Materials, CEABM 2012 - Yantai, China
Duration: 25 May 201227 May 2012

Publication series

NameApplied Mechanics and Materials
Volume170-173
ISSN (Print)1660-9336
ISSN (Electronic)1662-7482

Conference

Conference2nd International Conference on Civil Engineering, Architecture and Building Materials, CEABM 2012
Country/TerritoryChina
CityYantai
Period25/05/1227/05/12

Keywords

  • Boundary condition
  • Discrete element method (DEM)
  • Granular material
  • Micromechanics

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