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

页码：112 / 120

页数：9

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