Homogenized Plastic Macroscopic Models using the RVE concept for porous materials

Authors

DOI:

https://doi.org/10.5216/reec.v19i2.75451

Keywords:

RVE, Microstructure, Porous Materials, Plastic Macroscopic Models

Abstract

This work deals with macroscopic constitutive models for analysis of porous materials using the concept of Representative Volume Element (RVE) and homogenization technique leading to low computational cost when compared to full coupled multiscale analyses. For this propose, macroscopic strain states are imposed to the RVE to obtain models expressed by homogenized plastic stress versus plastic strain relationship. The RVEs represent porous microstructures with ductile matrix. A homogenization technique is used in conjunction with von Mises´ model. The results show the obtained constitutive models for complex materials to be applied in analysis of structures composed of porous materials overcoming the using of complex phenomenological models with many parameters to be identified, making their use in engineering applications unfeasible.         

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Author Biographies

Leandro Damas de Oliveira, Universidade Federal de Catalão (UFCAT), Catalão, Goiás, Brasil. leandro_oliveira@live.com

Engenheiro Civil, Mestrando, Engenharia de Estruturas, Universidade Federal de Catalão

Luiz Gustavo Barichello, Universidade Federal de Catalão (UFCAT), Catalão, Goiás, Brasil. luizgustavobarichello@live.com

Engenheiro Civil, Graduação, Universidade Federal de Catalão

José Julio de Cerqueira Pituba , Universidade Federal de Catalão (UFCAT), Catalão, Goiás, Brasil. julio_pituba@ufcat.edu.br

Engenheiro Civil, Prof Associado, Laboratório de Modelagem Computacional, Faculdade de Engenharia, Universidade Federal de Catalão

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Published

2023-12-28

How to Cite

DAMAS DE OLIVEIRA, L.; GUSTAVO BARICHELLO, L.; JULIO DE CERQUEIRA PITUBA , J. Homogenized Plastic Macroscopic Models using the RVE concept for porous materials. REEC - Revista Eletrônica de Engenharia Civil, Goiânia, v. 19, n. 2, p. 49–64, 2023. DOI: 10.5216/reec.v19i2.75451. Disponível em: https://revistas.ufg.br/reec/article/view/75451. Acesso em: 16 aug. 2024.