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9. Finite element modeling of sheet forming process with bending effects

Author

Tze-Chi Hsu and Ing-Ren Shien

Subjects
Materials science, Yield (engineering), Bending (metalworking), business.industry, Metals and Alloys, Forming processes, Structural engineering, Mixed finite element method, Industrial and Manufacturing Engineering, Finite element method, Computer Science Applications, Modeling and Simulation, visual_art, Ceramics and Composites, visual_art.visual_art_medium, Deep drawing, business, Sheet metal, Extended finite element method
Abstract

A computational method based on the bending theory for the analysis of axisymmetric sheet metal forming processes such as punch stretching and deep drawing is presented. The elastic-plastic finite element approach is based on the flow rule associated with Hill's quadratic yield criterion for anisotropic material. Numerical solutions obtained from a total Lagrangian formulation of a finite-strain thin shell theory are used to simulate the springback effect in various sheet metal forming operations. Comparisons of the calculated results with available experimental data and existing numerical solutions are given.

Published
1997

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