Hypersingular boundary integral equations and the approximation of the stress tensor

被引：14
|
作者：
Salvadori, Alberto [1 ]
机构：
[1] Univ Brescia, DICATA, I-25123 Brescia, Italy
来源：
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING | 2007年 / 72卷 / 06期
关键词：
integral equations; boundary elements; stress field approximation;
D O I：
10.1002/nme.2041
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The present work deals with the application of the traction hypersingular boundary integral equation to approximate the stress tensor along the boundary, by making use of unit vectors that differ from the normal at the boundary. It is proved that special care is required in the evaluation of the free terms, in order to avoid insidious and unexpected errors. Copyright (c) 2007 John Wiley & Sons, Ltd.
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页码：722 / 743
页数：22
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