The inverse approach with simple triangular shell elements for large strain predictions of sheet metal forming parts-Reference-Cited by-同舟云学术

The inverse approach with simple triangular shell elements for large strain predictions of sheet metal forming parts

Published:1998-11-01 Issue:7 Volume:15 Page:864-892
ISSN:0264-4401
Container-title:Engineering Computations
language:en
Short-container-title:

Author:

Batoz Jean‐Louis,Qiao Guo Ying,Mercier Frederic

Abstract

An efficient algorithm to estimate the large elasto‐plastic strains encountered in thin sheet metal forming parts has been continuously developed by the authors since 1987. The algorithm is based on a finite element discretization of the known final shape. In this paper a new simple triangular shell element with constant membrane and bending strains is presented using discrete Kirchhoff constraints. The expressions of the internal force vector and logarithmic strains through the thickness are derived. Two applications are considered to discuss the validity and efficiency of the numerical procedure.

Publisher

Emerald

Subject

Computational Theory and Mathematics,Computer Science Applications,General Engineering,Software

Reference56 articles.

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3. Altan, T. (Ed.) (1994), “Sheet metal forming technology 1994”, Journal of Materials Processing Technology, Elsevier, Barking, Vol. 46 Nos 3‐4.

4. Batoz, J.L. and Dhatt, G. (1992), Modélisation des Structures par Éléments Finis, Vol. 3, Coques, Hermès Editeur, Paris.

5. Batoz, J.L., Guo, Y.Q. and Detraux, J.M. (1990), “An inverse finite element procedure to estimate the large plastic strain in sheet metal forming”, 3rd Int. Conf. on Technology of Plasticity, Kyoto, pp. 1403‐8.

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