Modified membrane finite element formulation for sheet metal forming analysis of planar anisotropic materials

2000 ◽  
Vol 42 (8) ◽  
pp. 1623-1643 ◽  
Author(s):  
Hoon Huh ◽  
Tae Hoon Choi
Keyword(s):  
Finite Element ◽  
Sheet Metal ◽  
Sheet Metal Forming ◽  
Metal Forming ◽  
Anisotropic Materials ◽  
Finite Element Formulation ◽  
Element Formulation ◽  
Forming Analysis ◽  
Modified Membrane

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

2000 ◽  
Vol 123 (1) ◽  
pp. 119-124 ◽  
Author(s):  
G. Y. Li ◽  
M. J. Tan ◽  
K. M. Liew ◽  
Z. H. Zhong
Keyword(s):  
Finite Element ◽  
Sheet Metal ◽  
Contact Force ◽  
Sheet Metal Forming ◽  
Metal Forming ◽  
Sheet Forming ◽  
Simple Approach ◽  
Explicit Finite Element ◽  
Novel Approach ◽  
Forming Analysis

Explicit finite element procedures for the simulation of sheet-metal-forming processes are reviewed. Improved techniques for contact searching and contact force evaluation are then proposed and discussed. In the contact searching algorithm, a new contact territory definition is introduced and only node-to-segment contact pairs are defined, which makes the post-contact searching more efficient and easy to implement. For contact force evaluation, a novel approach is employed to make the simulation of sheet forming processes more accurate. The algorithms are implemented and examined via experiments.

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