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Journal of the Brazilian Society of Mechanical Sciences

versão impressa ISSN 0100-7386


ARAUJO, Francisco Célio de  e  MANSUR, Webe João. Be-Fe coupled method for the analysis of 3D elastodynamic problems in the time domain. J. Braz. Soc. Mech. Sci. [online]. 1999, vol.21, n.4, pp.699-712. ISSN 0100-7386.

By coupling the Boundary Element Method (BEM) and the Finite Element Method (FEM) an algorithm that combines the advantages of both numerical processes is developed. The main aim of the work concerns the time domain analysis of general three-dimensional wave propagation problems in elastic media. In addition, mathematical and numerical aspects of the related BE-, FE- and BE/FE-formulations are discussed. The coupling algorithm allows investigations of elastodynamic problems with a BE- and a FE-subdomain. In order to observe the performance of the coupling algorithm two problems are solved and their results compared to other numerical solutions.

Palavras-chave : BE-FE coupling; time domain analysis; 3D problems; soil-structure interaction.

        · texto em Inglês


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