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

Riccardo Fincato; Seiichiro Tsutsumi; Alex Zilio; Gianluca Mazzucco; Valentina Salomoni

doi:10.3221/IGF-ESIS.57.10

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

Authors

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

DOI:

https://doi.org/10.3221/IGF-ESIS.57.10

Keywords:

Bounding surface model, return mapping, workhardening stagnation, finite strain, finite element analyses

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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Published

22-06-2021

Issue

Vol. 15 No. 57 (2021): July 2021

Section

Analytical, Numerical and Physical Models

License

This work is licensed under a Creative Commons Attribution 4.0 International License.

Copyright
Authors are allowed to retain both the copyright and the publishing rights of their articles without restrictions.

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How to Cite

Fully implicit numerical integration of the Yoshida-Uemori two-surface plasticity model with isotropic hardening stagnation. (2021). Frattura Ed Integrità Strutturale, 15(57), 114-126. https://doi.org/10.3221/IGF-ESIS.57.10