Paper Title:
A Coupled Finite Element and Element-Free Galerkin Method for Rigid Plastic Problems
  Abstract

The analysis for rigid plastic forming problems with finite element method can lose considerable accuracy due to severely distortional meshes. By measuring the mesh equality of elements, a coupling algorithm for rigid plastic problems have been proposed based on the interface element method, which converts the FE analysis into the EFG computation to preserve the accuracy in the region where meshes have been severely distorted. Numerical example shows that the present algorithms exploit the respective advantages of both the FE method whose computational efficiency is high and the EFG method which can throws out mesh distortions and be suitable for rigid plastic forming analysis.

  Info
Periodical
Edited by
Daizhong Su, Qingbin Zhang and Shifan Zhu
Pages
490-493
DOI
10.4028/www.scientific.net/KEM.450.490
Citation
D. Li, W. Q. Kang, P. W. Guo, "A Coupled Finite Element and Element-Free Galerkin Method for Rigid Plastic Problems", Key Engineering Materials, Vol. 450, pp. 490-493, 2011
Online since
November 2010
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