In this paper a corotational constitutive model for the large elastoplastic deformation of hardening materials using subloading surface model is formulated. This formulation is obtained by refining the large deformation theory of Naghdabadi and Saidi (2002) adopting the corotational logarithmic (Hencky) strain rate tensor and incorporating it into the subloading surface model of Hashiguchi (1980, 2003) falling within the framework of the unconventional plasticity. As an application of the proposed constitutive model, the large Elastoplastic deformation of simple shear example has been solved and the results have been compared with classical elasto-plastic model using the Hencky strain tensor. Also the effect of the choice of corotational rates on stress components has been studied.
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ASME 7th Biennial Conference on Engineering Systems Design and Analysis
July 19–22, 2004
Manchester, England
ISBN:
0-7918-4173-1
PROCEEDINGS PAPER
A Corotational Elastoplastic Formulation With Subloading Surface Model for Hardening Materials
Ali Reza Saidi,
Ali Reza Saidi
Bahonar University of Kerman, Kerman, Iran
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Koichi Hashiguchi
Koichi Hashiguchi
Kyushu University, Fukuoka, Japan
Search for other works by this author on:
Ali Reza Saidi
Bahonar University of Kerman, Kerman, Iran
Koichi Hashiguchi
Kyushu University, Fukuoka, Japan
Paper No:
ESDA2004-58401, pp. 357-363; 7 pages
Published Online:
November 11, 2008
Citation
Saidi, AR, & Hashiguchi, K. "A Corotational Elastoplastic Formulation With Subloading Surface Model for Hardening Materials." Proceedings of the ASME 7th Biennial Conference on Engineering Systems Design and Analysis. Volume 1. Manchester, England. July 19–22, 2004. pp. 357-363. ASME. https://doi.org/10.1115/ESDA2004-58401
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