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Master's Dissertation
DOI
10.11606/D.18.2012.tde-11072013-083552
Document
Author
Full name
Luiz Henrique da Silva Fernandez
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 2012
Supervisor
Committee
Paiva, João Batista de (President)
Komatsu, José Sergio
Leonel, Edson Denner
Title in Portuguese
Formulação dual do método dos elementos de contorno anisotrópico
Keywords in Portuguese
Anisotropia
Método dos elementos de contorno dual
Processamento em paralelo
Regularização de integrais impróprias
Abstract in Portuguese
Este texto trata do Método dos Elementos de Contorno Dual empregando a solução fundamental anisotrópica. As integrais impróprias que surgem nesta formulação são regularizadas pela técnica da subtração de singularidade. Aplica-se a transformação de coordenadas auto-adaptativa de Telles para a avaliação das integrais quase-singulares. Apresenta-se o programa computacional desenvolvido utilizando os paradigmas da programação orientada a objetos e processamento em paralelo. Foram analisados diversos problemas e os resultados obtidos comparados àqueles da solução analítica. Os resultados alcançados mostraram-se satisfatórios validando a formulação proposta.
Title in English
Dual formulation of the boundary element method anisotropic
Keywords in English
Anisotropy
Dual Boundary Element Method
Parallel processing
Regularization of improper integrals
Abstract in English
This text deals with the Dual Boundary Element Formulation Method using the fundamental solution for anisotropic body. The improper integrals that arise in this formulation are regularized using the singularity subtraction technique. The self-adaptive coordinate transformation developed by Telles is used to evaluate the near-singular integrals. The computer program developed using the paradigms of object-oriented programming and parallel processing is presented. Several problems were analyzed and its results compared with those proposed by analytical solution. The results achieved were satisfactory therefore validating the proposed formulation.
 
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Publishing Date
2013-07-17
 
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