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A coupled Element Free Galerkin / Boundary Element method for stress analysis of two-dimensional solids

Gu, YuanTong & Liu, Gui-Rong (2001) A coupled Element Free Galerkin / Boundary Element method for stress analysis of two-dimensional solids. Computer Methods in Applied Mechanics and Engineering, 190(34), pp. 4405-4419.

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Abstract

Element Free Galerkin (EFG) method is a newly developed meshless method for solving partial differential equations using Moving Least Squares interpolants. It is, however, computationally expensive for many problems. A coupled EFG/Boundary Element (BE) method is proposed in this paper to improve the solution efficiency. A procedure is developed for the coupled EFG/BE method so that the continuity and compatibility are preserved on the interface of the two domains where the EFG and BE methods are applied. The present coupled EFG/BE method has been coded in FORTRAN. The validity and efficiency of the EFG/BE method are demonstrated through a number of examples. It is found that the present method can take the full advantages of both EFG and BE methods. It is very easy to implement, and very flexible for computing displacements and stresses of desired accuracy in solids with or without infinite domains.

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ID Code: 13843
Item Type: Journal Article
Keywords: Meshless Method, Mesh Free Method, Element Free Galerkin Method, Boundary Element Method, Stress Analysis
DOI: 10.1016/S0045-7825(00)00324-8
ISSN: 0045-7825
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > OTHER ENGINEERING (099900)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Copyright Owner: Copyright 2001 Elsevier
Copyright Statement: Reproduced in accordance with the copyright policy of the publisher.
Deposited On: 23 Jun 2008
Last Modified: 11 Aug 2011 01:39

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