Boundary Element Analysis of Thin-walled Structures in Elasticity Problems with Exact Geometrical Representation

CHINESE JOURNAL OF COMPUTATIONAL PHYSICS ›› 2011, Vol. 28 ›› Issue (3): 397-403.

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Boundary Element Analysis of Thin-walled Structures in Elasticity Problems with Exact Geometrical Representation

GU Yan¹, ZHANG Yaoming^1,2, LI Gongsheng²

1. School of Science, Shandong University of Technology, Zibo 255049, China;
2. Industrial Equipment State Key Laborating of Structures Analysis, Dalian University of Technology, Dalian 116024, China

Received:2010-04-15 Revised:2010-09-13 Online:2011-05-25 Published:2011-05-25

Abstract

Abstract: An exact geometrical representation,arc element,is introduced for thin bodies with circular boundary.A general nonlinear transformation available for arc elements is constructed.With exact geometrical representation,numerical accuracy of nearly singular integrals is greatly improved,which makes possible to deal with ultra-thin structures.

Key words: boundary element method, elastic problem, boundary layer effect, thin-walled structures, exact geometrical representation

CLC Number:

O343.1
O342

GU Yan, ZHANG Yaoming, LI Gongsheng. Boundary Element Analysis of Thin-walled Structures in Elasticity Problems with Exact Geometrical Representation[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 2011, 28(3): 397-403.

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Boundary Element Analysis of Thin-walled Structures in Elasticity Problems with Exact Geometrical Representation

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