Influence of Anisotropic Yield Functions on Parameters of Yoshida-Uemori Model

Hirotaka Kano; Jiro Hiramoto; Toru Inazumi; Takeshi Uemori; Fusahito Yoshida

doi:10.4028/www.scientific.net/KEM.554-557.2440

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 554-557Influence of Anisotropic Yield Functions on...

Influence of Anisotropic Yield Functions on Parameters of Yoshida-Uemori Model

Abstract:

Yoshida-Uemori model (Y-U model) can be used with any types of yield functions. The calculated stress strain response will be, however, different depending on the chosen yield function if the yield function and the effective strain definition are inappropriate. Thus several modifications to Y-U model were proposed in the 10th International Conference on Technology of Plasticity. It was ascertained that in the modified Y-U model, the same set of material parameters can be used with von Mises, Hill’s 1948, and Hill’s 1990 yield function. In this study, Yld2000-2d and Yoshida’s 6th-order polynomial type 3D yield function were examined and it was clarified that the same set of Y-U parameters can be used with these yield functions.

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Periodical:

Key Engineering Materials (Volumes 554-557)

Pages:

2440-2452

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.554-557.2440

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Online since:

June 2013

Authors:

Hirotaka Kano, Jiro Hiramoto, Toru Inazumi, Takeshi Uemori, Fusahito Yoshida

Keywords:

Anisotropic Yield Function, Numerical Method, Parameter

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