Fully implicit numerical integration of the Yoshida-Uemori two-surface plasticity model with isotropic hardening stagnation

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Published Jun 22, 2021
DOI https://doi.org/10.3221/IGF-ESIS.57.10

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Riccardo Fincato
Osaka University, JWRI - Joining and Welding Research Institute, Japan
Seiichiro Tsutsumi
Joining and Welding Research Institute, Osaka University
Alex Zilio
Department of Civil, Environmental and Architectural Engineering, Padova University
Gianluca Mazzucco
Department of Civil, Environmental and Architectural Engineering, Padova University
Valentina Salomoni
Department of Civil, Environmental and Architectural Engineering, Padova University

Abstract

The paper deals with the numerical investigation and implementation of the two-surface plasticity model (or bounding surface model). This plasticity theory allows to describe the deformation behavior under large strain cyclic plasticity and the material stress-strain responses at small-scale re-yielding after large pre-straining. A novel strategy to model the isotropic hardening stagnation is developed within a fully implicit integration scheme in order to speed up the computation and to improve the material description.

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Issue
Vol. 15 No. 57 (2021): July 2021
Section
Analytical, Numerical and Physical Models

How to Cite

Fincato, R., Tsutsumi, S., Zilio, A., Mazzucco, G. and Salomoni, V. (2021) “Fully implicit numerical integration of the Yoshida-Uemori two-surface plasticity model with isotropic hardening stagnation”, Frattura ed Integrità Strutturale, 15(57), pp. 114–126. doi: 10.3221/IGF-ESIS.57.10.
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