A 2D BEM formulation considering dissipative phenomena and a full coupled multiscale modelling

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Federal de Goiás (UFG)-
Autor(es): dc.contributorUniversidade Estadual Paulista (Unesp)-
Autor(es): dc.creatorFernandes, G. R.-
Autor(es): dc.creatorPontes, G. B.S. [UNESP]-
Autor(es): dc.creatorOliveira, V. N.-
Data de aceite: dc.date.accessioned2022-02-22T00:26:26Z-
Data de disponibilização: dc.date.available2022-02-22T00:26:26Z-
Data de envio: dc.date.issued2020-12-11-
Data de envio: dc.date.issued2020-12-11-
Data de envio: dc.date.issued2020-10-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1016/j.enganabound.2020.07.004-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/199095-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/199095-
Descrição: dc.descriptionA full coupled multi-scale modelling using the Boundary Element Method for analysing the 2D problem of stretched plates composed of heterogeneous materials, where dissipative phenomena can be considered, is presented. Both the macro-scale and the micro-scale are modelled by BEM formulations where the consistent tangent operator (CTO) is used to achieve the equilibrium of the iterative procedures. The equilibrium equation of the plate (macro-continuum) is written in terms of in-plane strains while the equilibrium problem of the microstructure, which is defined by the RVE (Representative Volume Element), is solved in terms of displacements fluctuations. In this kind of modelling, the mechanical behaviour of the material is governed by the homogenized response of the RVE, obtained after solving its equilibrium problem. As this kind of modelling is expensive computationally, it is important to investigate other numerical methods to have faster formulations, but which are still accurate. To validate the presented model, the numerical results are compared to the ones where the material microstructure (RVE) is modelled by the FEM.-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de Goiás-
Descrição: dc.descriptionCivil Engineering Department Regional Catalão – Federal University of Goiás (UFG) Av. Dr. Lamartine Pinto de Avelar, 1120, Setor Universitário-
Descrição: dc.descriptionCivil Engineering Department of São Paulo State University – UNESP, Al. Bahia, 550-
Descrição: dc.descriptionCivil Engineering Department of São Paulo State University – UNESP, Al. Bahia, 550-
Formato: dc.format25-43-
Idioma: dc.languageen-
Relação: dc.relationEngineering Analysis with Boundary Elements-
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Palavras-chave: dc.subject2D problem-
Palavras-chave: dc.subjectBoundary elements-
Palavras-chave: dc.subjectHomogenization-
Palavras-chave: dc.subjectMulti-scale modelling-
Palavras-chave: dc.subjectRVE-
Título: dc.titleA 2D BEM formulation considering dissipative phenomena and a full coupled multiscale modelling-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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