Numerical investigation of spatial distribution of deformation in granular media

研究成果: Conference contribution

抄録

The change in the microstructure of granular materials under a biaxial loading condition was investigated by numerically simulating an idealized assembly of two-dimensional particles. The distinct element method was employed for simulating an idealized assembly. Local strain increments were calculated from relative displacements of particles within triangle elements which were defi ned by particle centers. The obtained local strain increment was analyzed from spatial statistical point of view. The coeffi cient of spatial autocorrelation of the local strain increment distribution was calculated to estimate the intensity of spatial dependence of the local strains in the entire area of the specimen. The spatial analysis results indicate that the range of autocorrelation designating the range of the presence of spatial autocorrelation increased during the biaxial compression loading. This variation of the range of autocorrelation implies that the spatial microstructure of granular materials varies throughout deformation processes.

本文言語English
ホスト出版物のタイトルComputer Methods for Geomechanics
ホスト出版物のサブタイトルFrontiers and New Applications
ページ381-386
ページ数6
出版ステータスPublished - 2011 12 1
外部発表はい
イベント13th International Conference of the International Association for Computer Methods and Advances in Geomechanics, IACMAG 2011 - Melbourne, VIC, Australia
継続期間: 2011 5 92011 5 11

出版物シリーズ

名前Computer Methods for Geomechanics: Frontiers and New Applications
1

Conference

Conference13th International Conference of the International Association for Computer Methods and Advances in Geomechanics, IACMAG 2011
国/地域Australia
CityMelbourne, VIC
Period11/5/911/5/11

ASJC Scopus subject areas

  • 計算理論と計算数学
  • 地球化学および岩石学

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