Numerical Analysis Characterizing the Influence of the Evolution of the Length Scale on Strain Localization in Cosserat Media

Xueyan Liu; Athanassios Scarpas; Cor Kasbergen; Edlira Kondo

doi:10.1061/(ASCE)GM.1943-5622.0000148

Numerical Analysis Characterizing the Influence of the Evolution of the Length Scale on Strain Localization in Cosserat Media

Xueyan Liu
, Athanassios Scarpas
, Cor Kasbergen
, Edlira Kondo

Civil & Environmental Engineering

Delft University of Technology

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

In this paper, on the basis of the micropolar (Cosserat) continua approach, a constitutive model for simulation of granular material (e.g., sand) response in the elastoplastic range has been presented. Numerical analyses on strain localization in this type of material are carried out in the last part of this paper. The influence of the evolution of the internal length-scale micropolar parameters on the formation of strain localization is investigated.

Original language	British English
Pages (from-to)	272-280
Number of pages	9
Journal	International Journal of Geomechanics
Volume	12
Issue number	3
DOIs	https://doi.org/10.1061/(ASCE)GM.1943-5622.0000148
State	Published - 4 Jun 2012

Keywords

Desai Hierarchical model
Implicit Euler integration algorithm
Internal length scale
Micropolar continuum
Strain localization

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10.1061/(ASCE)GM.1943-5622.0000148

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title = "Numerical Analysis Characterizing the Influence of the Evolution of the Length Scale on Strain Localization in Cosserat Media",

abstract = "In this paper, on the basis of the micropolar (Cosserat) continua approach, a constitutive model for simulation of granular material (e.g., sand) response in the elastoplastic range has been presented. Numerical analyses on strain localization in this type of material are carried out in the last part of this paper. The influence of the evolution of the internal length-scale micropolar parameters on the formation of strain localization is investigated.",

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AU - Kasbergen, Cor

AU - Kondo, Edlira

PY - 2012/6/4

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AB - In this paper, on the basis of the micropolar (Cosserat) continua approach, a constitutive model for simulation of granular material (e.g., sand) response in the elastoplastic range has been presented. Numerical analyses on strain localization in this type of material are carried out in the last part of this paper. The influence of the evolution of the internal length-scale micropolar parameters on the formation of strain localization is investigated.

KW - Desai Hierarchical model

KW - Implicit Euler integration algorithm

KW - Internal length scale

KW - Micropolar continuum

KW - Strain localization

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SP - 272

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JO - International Journal of Geomechanics

JF - International Journal of Geomechanics

IS - 3

ER -

Numerical Analysis Characterizing the Influence of the Evolution of the Length Scale on Strain Localization in Cosserat Media

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Keywords

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