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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 13    No. 2    April 2003

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Numerical study of influence of anisotropy on flanging earing based on Barlat six-component yield function
LI Da-yong(李大永)1, ZHANG Shao-rui(张少睿)1
PENG Ying-hong(彭颖红)1, HU Ping(胡 平)2

1. School of Mechanical Engineering, 
Shanghai Jiaotong University, Shanghai 200030, China;
2. School of Mechanical Science and Engineering, 
Jilin University, Changchun 130025, China

Abstract:The anisotropy of stamped sheet metal exerts evident effects on the formability. Barlat six-component yield function was introduced into the elastoplastic finite element formulation based on the principle of virtual velocity and the discrete Kirchhoff triangular element model. The flanging earing in cylindrical cup drawing process of circular sheet metal was numerically simulated. The influence of anisotropy on the forming process was studied.

 

Key words:  anisotropy; Barlat six-component yield function; elastoplastic finite element; earing

ISSN 1672-7029
CN 43-1423/U

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