Analise de problemas de anisotropia 3D com sub regiões utilizando o metodo dos elementos de contorno / 3D anisotropic problems analysis with sub regions using the boundary element method

AUTOR(ES)

Anderson Gabriel Santiago Cravo

DATA DE PUBLICAÇÃO

2008

RESUMO

This work presents a tool for sub-domains analysis using the 3D Boundary Element Method (BEM3D). For its implementation are considered rectangular, quadratic and continuous elements, which means that the nodes share degrees of freedom and so, a proper formulation to deal with corners and edges between the sub regions is required. The matrices [H] and [G] are computed independent of the sub regions program. This makes possible an efficient computational treatment, since the actual computers have more than on processor, and parallel computing is used. Also presents the implementation and the study of the fundamental solution for anisotropic elasticity using the Radon Transform. This formulation is especially attractive due to its simplicity for computational implementations, but it requires a numerical integration in the kernel and then, some strategies are proposed to improve the computational performance

ASSUNTO(S)

anisotropia 3d anisotropy sub regions metodo dos elementos de contorno boundary elements

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