Sheet Forming Analysis Based on Improved Contact Searching Algorithm and Simple Approach for Contact Force Evaluation-Reference-Cited by-同舟云学术

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

Published:2000-03-14 Issue:1 Volume:123 Page:119-124
ISSN:0094-4289
Container-title:Journal of Engineering Materials and Technology
language:en
Short-container-title:

Author:

Li G. Y.¹,Tan M. J.¹,Liew K. M.¹,Zhong Z. H.²

Affiliation:

1. Centre for Advanced Numerical Engineering Simulation, School of Mechanical and Production Engineering, Nanyang Technological University, Nanyang Avenue, Singapore 639798

2. Department of Mechanical Engineering, Hunan University, Changsha 410082, P.R. China

Abstract

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.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Link

http://asmedigitalcollection.asme.org/materialstechnology/article-pdf/123/1/119/5798797/119_1.pdf

Reference11 articles.

1. Hallquist, J. O., 1992, “LS-DYNA3D, Theoretical Manual,” LSTC, Livermore.

2. Zhong, Z. H., 1993, Finite Element Procedures for Contact—Impact Problems, Oxford Press.

3. Benson, D. J., and Hallquist, J. O., 1987, “A Single Surface Contact Algorithm for the Post-buckling Analysis of Shell Structures,” San Diego, La Jolla, University of California.

4. Zhong, Z. H., and Nilsson, L., 1989, “A Contact Searching Algorithm for General Contact Problems,” Comput. Struct., 1, pp. 197–209.

5. Zhong, Z. H., and Nillson, L., 1996, “A Unified Contact Searching Algorithm Based on the Territory Concept,” Comput. Methods Appl. Mech. Eng., 130, pp. 1–16.

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