Simulation of the hydroforming process using a new orthotropic yield criterion

被引:10
|
作者
Comsa, S [1 ]
Cosovici, G [1 ]
Jurco, P [1 ]
Paraianu, L [1 ]
Banabic, D [1 ]
机构
[1] Tech Univ Cluj Napoca, Cluj Napoca, Romania
关键词
sheet metal forming; plastic anisotropy; finite-element simulation;
D O I
10.1016/j.jmatprotec.2004.09.018
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The paper presents a new anisotropic yield criterion and its implementation in a finite-element code. The yield criterion is an extension of the formulation proposed by Barlat and Lian in 1989. In order to obtain a better representation of the plastic behaviour of the orthotropic sheet metals, some additional coefficients have been included in the expression of the equivalent stress. The finite-element programme has been used for simulating a hydroforming process. The numerical results have been compared with data published in the literature. (C) 2004 Published by Elsevier B.V.
引用
收藏
页码:67 / 74
页数:8
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