Blank design and strain prediction of automobile stamping parts by an inverse finite element approach

A new finite element approach is introduced for direct prediction of blank shapes and strain distributions from desired final shapes in sheet metal forming. The approach deals with the geometric compatibility of finite elements, plastic deformation theory, minimization of plastic work with constraints, and a proper initial guess. The algorithm developed is applied to automobile stamping parts such as an oil pan and a front fender in order to confirm its versatility of application by demonstrating the reasonable numerical results in stamping processes. Rapid calculation with this algorithm enables easy determination of various process variables for design of sheet metal forming process.
Publisher
ELSEVIER SCIENCE SA LAUSANNE
Issue Date
1997-01
Language
ENG
Keywords

METAL

Citation

JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, v.63, no.1-3, pp.645 - 650

ISSN
0924-0136
URI
http://hdl.handle.net/10203/3467
Appears in Collection
ME-Journal Papers(저널논문)
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