A Coupling Strategy of FEM and BEM for the Solution of a 3D Industrial Crack Problem

被引：2
|
作者：
Njiwa, Richard Kouitat [1 ]
Niane, Ngadia Taha [2 ,3 ]
Frey, Jeremy [2 ,4 ]
Schwartz, Martin [2 ,5 ]
Bristiel, Philippe [2 ]
机构：
[1] Univ Lorraine, Inst Jean Lamour, Nancy, France
[2] PSA Peugeot Citroen, Garenne Colombes, France
[3] SAFRAN, Gennevilliers, France
[4] IFP Energies Nouvelles, Rueil Malmaison, France
[5] AER ALCEN, Chevilly Larue, France
来源：
INTERNATIONAL JOURNAL FOR COMPUTATIONAL METHODS IN ENGINEERING SCIENCE & MECHANICS | 2015年 / 16卷 / 02期
关键词：
3D Crack; Finite Element; Boundary Element; Coupling Strategy;
D O I：
10.1080/15502287.2015.1009580
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
Analyzing crack stability in an industrial context is challenging due to the geometry of the structure. The finite element method is effective for defect-free problems. The boundary element method is effective for problems in simple geometries with singularities. We present a strategy that takes advantage of both approaches. Within the iterative solution procedure, the FEM solves a defect-free problem over the structure while the BEM solves the crack problem over a fictitious domain with simple geometry. The effectiveness of the approach is demonstrated on some simple examples which allow comparison with literature results and on an industrial problem.
引用
收藏
页码：112 / 120
页数：9
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