Deakin University
Browse

File(s) under permanent embargo

Springback prediction for sheet metal forming process using a 3D hybrid membrane/shell method

Version 2 2024-06-03, 17:06
Version 1 2017-05-17, 13:48
journal contribution
posted on 2024-06-03, 17:06 authored by Jeong YoonJeong Yoon, F Pourboghrat, K Chung, DY Yang
To reduce the computational time of finite element analyses for sheet forming, a 3D hybrid membrane/shell method has been developed and applied to study the springback of anisotropic sheet metals. In the hybrid method, the bending strains and stresses were calculated as post-processing, considering the incremental change of the sheet geometry obtained from the membrane finite element analysis beforehand. To calculate the springback, a shell finite element model was used to unload the sheet. For verification purposes, the hybrid method was applied for a 2036-T4 aluminum alloy square blank formed into a cylindrical cup, in which stretching is dominant. Also, as a bending-dominant problem, unconstraint cylindrical bending of a 6111-T4 aluminum alloy sheet was considered. The predicted springback showed good agreement with experiments for both cases.

History

Journal

International journal of mechanical sciences

Volume

44

Pagination

2133-2153

Location

Amsterdam, The Netherlands

ISSN

0020-7403

Language

eng

Publication classification

C1.1 Refereed article in a scholarly journal

Copyright notice

2002, Elsevier Science

Issue

10

Publisher

Elsevier Science