Utilize este identificador para referenciar este registo:
https://hdl.handle.net/1822/76668
Título: | A concurrent micro/macro FE-model optimized with a limit analysis tool for the assessment of dry-joint masonry structures |
Autor(es): | Funari, Marco Francesco Silva, Luís Carlos Martins Savalle, Nathanaël Lourenço, Paulo B. |
Palavras-chave: | Masonry Micro-modeling Macro-modeling Two-step approach Homogenization URM applications Concurrent FE model URM ap |
Data: | 11-Dez-2022 |
Editora: | Begell House, Inc. |
Revista: | International Journal for Multiscale Computational Engineering |
Citação: | Funari, M. F., Silva, L. C., Savalle, N., & Lourenço, P. B. (2022). A concurrent micro/macro FE-model optimized with a limit analysis tool for the assessment of dry-joint masonry structures. International Journal for Multiscale Computational Engineering. |
Resumo(s): | A two-step strategy for the mechanical analysis of UnReinforced Masonry (URM) structures, either subjected to in- and out-of-plane loading, is presented. At a first step, a semi-automatic digital tool allows the parametric modeling of the structure that, together with an Upper bound limit analysis tool and a heuristic optimization solver, enables tracking the most prone failure mechanism. At a second step, a coupled concurrent FE model with micro- and macro-scales is assumed. A micro-modeling description of the masonry is allocated to regions within the failure mechanism found in the former step. In converse, the other domain regions are modeled via a macro-approach, whose constitutive response is elastic and orthotropic and formulated through closed-form homogenized-based solutions. The application of the framework is based on non-linear static (pushover) analysis and conducted on three benchmarks: (i) an in-plane loaded URM shear wall; (ii) a U-shaped URM structure; and (iii) a URM church. Results are given in terms of load capacity curves, total displacement fields, and computational running time; and compared against those found with a FE microscopic model and with a limit analysis tool. Lastly, conclusions on the potential of the framework and future research streams are addressed. |
Tipo: | Artigo |
URI: | https://hdl.handle.net/1822/76668 |
DOI: | 10.1615/IntJMultCompEng.2021040212 |
ISSN: | 1543-1649 |
e-ISSN: | 1940-4352 |
Versão da editora: | https://doi.org/10.1615/IntJMultCompEng.2021040212 |
Arbitragem científica: | yes |
Acesso: | Acesso aberto |
Aparece nas coleções: | ISISE - Artigos em Revistas Internacionais |
Ficheiros deste registo:
Ficheiro | Descrição | Tamanho | Formato | |
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Funari et al. - A concurrent micromacro FE-model optimized with a.pdf | 1,54 MB | Adobe PDF | Ver/Abrir |
Este trabalho está licenciado sob uma Licença Creative Commons