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Campo Dublin Core | Valor | Idioma |
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dc.contributor.author | Araújo, Francisco Célio de | - |
dc.contributor.author | D'Azevedo, Eduardo F. | - |
dc.contributor.author | Gray, Leonard J. | - |
dc.date.accessioned | 2013-01-28T16:28:21Z | - |
dc.date.available | 2013-01-28T16:28:21Z | - |
dc.date.issued | 2011 | - |
dc.identifier.citation | ARAÚJO, F. C. de; D'AZEVEDO, E. F.; GRAY, L. J. Constructing efficient substructure-based preconditioners for BEM systems of equations? Engineering Analysis with Boundary Elements, v. 35, n. 3, p. 517-526, mar. 2011. Disponível em: <https://www.sciencedirect.com/science/article/pii/S0955799710002468>. Acesso em: 11 jan. 2013. | pt_BR |
dc.identifier.issn | 09557997 | - |
dc.identifier.uri | http://www.repositorio.ufop.br/handle/123456789/2074 | - |
dc.description.abstract | In this work, a generic substructuring algorithm is employed to construct global block-diagonal preconditioners for BEM systems of equations. In this strategy, the allowable fill-in positions are those on-diagonal block matrices corresponding to each BE subregion. As these subsystems are independently assembled, the preconditioner for a particular BE model, after the LU decomposition of all subsystem matrices, is easily formed. So as to highlight the efficiency of the preconditioning proposed, the Bi-CG solver, which presents a quite erratic convergence behavior, is considered. In the particular applications of this paper, 3D representative volume elements (RVEs) of carbon-nanotube (CNT) composites are analyzed. The models contain up to several tens of thousands of degrees of freedom. The efficiency and relevance of the preconditioning technique is also discussed in the context of developing general (parallel) BE codes. | pt_BR |
dc.language.iso | en_US | pt_BR |
dc.subject | Subregion by subregion algorithm | pt_BR |
dc.subject | Substructure based block diagonal preconditioners | pt_BR |
dc.subject | Krylov solvers | pt_BR |
dc.subject | 3D boundary element models | pt_BR |
dc.title | Constructing efficient substructure-based preconditioners for BEM systems of equations? | pt_BR |
dc.type | Artigo publicado em periodico | pt_BR |
dc.rights.license | O periódico Engineering Analysis with Boundary Elements concede permissão para depósito do artigo no Repositório Institucional da UFOP. Número da licença: 3243640054467. | - |
Aparece nas coleções: | DECIV - Artigos publicados em periódicos |
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ARTIGO_ConstructingEfficientSubstructure.pdf | 2,08 MB | Adobe PDF | Visualizar/Abrir |
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