MODELING MULTI-SCALE FLOW USING THE MATERIAL POINT METHOD

被引：0
|
作者：
Arduino, Pedro [1 ]
Mackenzie-Helnwein, Peter [1 ]
Miller, Gregory R. [1 ]
机构：
[1] Univ Washington, Dept Civil & Environm Engn, Seattle, WA 98195 USA
来源：
MULTISCALE AND MULTIPHYSICS PROCESSES IN GEOMECHANICS: RESULTS OF THE WORKSHOP ON MULTISCALE AND MULTIPHYSICS PROCESSES IN GEOMECHANICS | 2011年
关键词：
granular flow; meshfree methods; MPM; volumetric locking;
D O I：
暂无
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
We demonstrate that the multi-linear interpolation functions used on an Eulerian grid in standard MPM generate volumetric locking, which dominates the solution as bulk compressibility approaches the incompressible limit. We propose a simple relaxation procedure based on a three-field Hu-Washizu principle and demonstrate its applicability to modeling of granular flow problems.
引用
收藏
页码：133 / 136
页数：4
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