Sheet Forming Analysis Based on Improved Contact Searching Algorithm and Simple Approach for Contact Force Evaluation

[+] Author and Article Information
G. Y. Li, M. J. Tan, K. M. Liew

Centre for Advanced Numerical Engineering Simulation, School of Mechanical and Production Engineering, Nanyang Technological University, Nanyang Avenue, Singapore 639798

Z. H. Zhong

Department of Mechanical Engineering, Hunan University, Changsha 410082, P.R. China

J. Eng. Mater. Technol 123(1), 119-124 (Mar 14, 2000) (6 pages) doi:10.1115/1.1288594 History: Received February 18, 1998; Revised March 14, 2000
Copyright © 2001 by ASME
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The contact territory of a segment
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The sheet forming system; 1-punch; 2-blank holder; 3-blank; 4-die
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The deformed configuration of numerical result for square 80 mm blank. (a) Result by LS-DYNA3D; (b) result by present method; (c) experimental result.
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The deformed configuration of numerical result for square 100 mm blank. (a) Numerical result; (b) experimental result.
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The dimensions of the blank and the tools for s_rail forming
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The deformed configuration after springback with blank holder force of 10 KN
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The shape of a section after springback by present method (solid) and by LS-DYNA3D (dash)
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The deformed configuration after springback with the blank holder force of 200 KN



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