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Type: Artigo de periódico
Title: Dual reciprocity boundary element method in Laplace domain applied to anisotropic dynamic crack problems
Author: Albuquerque, EL
Sollero, P
Fedelinski, P
Abstract: In this paper the dual reciprocity boundary element method in the Laplace domain for anisotropic dynamic fracture mechanic problems is presented. Crack problems are analyzed using the subregion technique. The dynamic stress intensity factors are computed using traction singular quarter-point elements positioned at the tip of the crack. Numerical inversion from the Laplace domain to the time domain is achieved by the Durbin method. Numerical examples of dynamic stress intensity factor evaluation are considered for symmetric and non-symmetric problems. The influence of the number of Laplace parameters and internal points in the solution is investigated. (C) 2003 Elsevier Science Ltd. All rights reserved.
Subject: boundary element method
dynamic stress intensity factors
fracture mechanics
anisotropic materials
transient problems
Laplace transform
Country: Inglaterra
Editor: Pergamon-elsevier Science Ltd
Citation: Computers & Structures. Pergamon-elsevier Science Ltd, v. 81, n. 17, n. 1703, n. 1713, 2003.
Rights: fechado
Identifier DOI: 10.1016/S0045-7949(03)00184-6
Date Issue: 2003
Appears in Collections:Unicamp - Artigos e Outros Documentos

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