A least-squares coupling method between a finite element code and a discrete element code

被引：5
|
作者：
Christian, Mariotti [1 ]
Francoise, Le Piver [1 ]
Ludovic, Aubry [1 ]
机构：
[1] CEA, DAM, DIF, F-91297 Arpajon, France
来源：
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING | 2015年 / 101卷 / 10期
关键词：
discrete element method; finite element method; coupling; least-squares method; seismic wave propagation;
D O I：
10.1002/nme.4822
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper presents a coupling method between a discrete element code CeaMka3D and a finite element code Sem. The coupling is based on a least-squares method, which adds terms of forces to finite element code and imposes the velocity at coupling particles. For each coupling face, a small linear system with a constant matrix is solved. This method remains conservative in energy and shows good results in applications. Copyright (c) 2014 John Wiley & Sons, Ltd.
引用
收藏
页码：731 / 743
页数：13
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