Draw-bead simulation by an elasto-plastic finite element method with directional reduced integration

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An elasto-plastic finite element method is adopted to simulate draw-bead formation and draw-in process through the draw-bead. The finite element method code has to deal with a proper contact algorithm and a stress evaluation algorithm, since the sheet metal undergoes large deformation and rotation with severe geometric changes. The simulation of draw-bead formation produces the distribution of stress and strain in deformed sheet metal along the bead as well as the punch force of a draw-bead. It also pro, ides the resultant elongation of the sheet in the cavity region, which is the fundamental information as a boundary condition to analyze the complicated binder-wrap phenomena.
Publisher
ELSEVIER SCIENCE SA LAUSANNE
Issue Date
1997-01
Language
English
Article Type
Article; Proceedings Paper
Citation

JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, v.63, no.1-3, pp.666 - 671

ISSN
0924-0136
URI
http://hdl.handle.net/10203/3485
Appears in Collection
ME-Journal Papers(저널논문)
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