Modelling of shear zones in granular materials within hypoplasticity

被引：0
|
作者：
Tejchman, J [1 ]
机构：
[1] Gdansk Tech Univ, Dept Civil Engn, PL-80952 Gdansk, Poland
来源：
COMPUTATIONAL SCIENCE - ICCS 2004, PT 2, PROCEEDINGS | 2004年 / 3037卷
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D O I：
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中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
This paper presents a FE-analysis of shear localization in granular bodies with a finite element method based on a hypoplastic constitutive law. The law can reproduce essential features of granular bodies in dependence on the void ratio, pressure level and deformation direction. To simulate the formation of a spontaneous shear zone inside of cohesionless sand during plane strain compression, a hypoplastic law was extended by polar, non-local and gradient terms. The effects of 3 different models on the thickness of a shear zone was investigated.
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页码：340 / 347
页数：8
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