Paper Title:
Fast Prediction of Springback at Product Design Stage for Sheet Metal Forming
  Abstract

A novel hybrid method is proposed in the paper, which is an assistant tool for product designers to estimate springback in sheet metal forming process at the preliminary design stage. In the hybrid method, the forming results are obtained firstly by an inverse finite element approach (IA) with a membrance element. The thickness strain and stress can be calculated according to the approximate curvature radius of the discrete meshes. Then, a rotation-free shell element is employed, with only three displacements at the corner nodes of the element, to calculate the springback. To verify the accuracy and efficiency of the hybrid method, the numerical results of the hybrid method on two benchmark tests are compared with experimental results.

  Info
Periodical
Materials Science Forum (Volumes 575-578)
Edited by
Jitai NIU, Zuyan LIU, Cheng JIN and Guangtao Zhou
Pages
525-531
DOI
10.4028/www.scientific.net/MSF.575-578.525
Citation
Z. B. Zhang, Y. Q. Liu, T. Du, Z. G. Li, "Fast Prediction of Springback at Product Design Stage for Sheet Metal Forming", Materials Science Forum, Vols. 575-578, pp. 525-531, 2008
Online since
April 2008
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Price
$32.00
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