Failure of Crushable Grains Using a Three-Dimensional Discrete Element Model

被引：0
|
作者：
Nader, Francois [1 ]
Silvani, Claire [1 ]
Djeran-Maigre, Irini [1 ]
机构：
[1] Univ Lyon, INSA Lyon, LGCIE, SMS ID, Lyon, France
来源：
BIFURCATION AND DEGRADATION OF GEOMATERIALS WITH ENGINEERING APPLICATIONS | 2017年
关键词：
GRANULAR-MATERIALS;
D O I：
10.1007/978-3-319-56397-8_50
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
A three-dimensional grain model based on the concept of particles assembly using cohesive bonds is presented. A script is developed to generate polyhedral grains, by assembling tetrahedral particles using cohesive bonds. A series of single grain crushing simulations is performed, and the effect of the intra-granular cohesion on the grain's strength is studied. Oedometric compression tests are simulated. The effect of grain breakage on the macroscopical behaviour is evaluated.
引用
收藏
页码：407 / 413
页数：7
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