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A general regularization of the hypersingular integrals in the symmetric Galerkin boundary element method

✍ Scribed by G. Bonnet

Publisher: John Wiley and Sons
Year: 2009
Tongue: English
Weight: 125 KB
Volume: 80
Category: Article
ISSN: 0029-5981
DOI: 10.1002/nme.2658

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✦ Synopsis

Abstract

The symmetric Galerkin boundary element method is used to solve boundary value problems by keeping the symmetric nature of the matrix obtained after discretization. The matrix elements are obtained from a double integral involving the double derivative of Green's operator, which is highly singular. The paper presents a regularization of the hypersingular integrals which depend only on the properties of Green's tensor. The method is presented in the case of Laplace's operator, with an example of application. The case of elasticity is finally addressed theoretically, showing an easy extension to any case of anisotropy. Copyright © 2009 John Wiley & Sons, Ltd.

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