0
TECHNICAL PAPERS

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

[+] Author and Article Information
G. Y. Li, M. J. Tan, K. M. Liew

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

Z. H. Zhong

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

J. Eng. Mater. Technol 123(1), 119-124 (Mar 14, 2000) (6 pages) doi:10.1115/1.1288594 History: Received February 18, 1998; Revised March 14, 2000
Copyright © 2001 by ASME
Your Session has timed out. Please sign back in to continue.

References

Hallquist, J. O., 1992, “LS-DYNA3D, Theoretical Manual,” LSTC, Livermore.
Zhong, Z. H., 1993, Finite Element Procedures for Contact—Impact Problems, Oxford Press.
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.
Zhong,  Z. H., and Nilsson,  L., 1989, “A Contact Searching Algorithm for General Contact Problems,” Comput. Struct., 1, pp. 197–209.
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.
Hallquist, J. O., 1979, “NIKE2D—A Vectorized, Implicit, Finite Deformation, Finite Element Code for Analysing the Static and Dynamic Response of 2D Solids,” RPT. UCRL-52678, LLNL, Livermore.
EUROPORT, 1996, “Insights, Industrial Application Codes on Parallel Computers—Fluid Dynamics and Structural Mechanics,” GMD.
Li, G . Y., Yang, D. Y., and Zhong, Z. H., 1996, “3D Dynamic Explicit Finite Element Analysis for Sheet Forming by Using a General Contact Searching Algorithm and Different Shell Elements,” NUMISHEET’96, pp. 421–426.
Zhong, Z. H., and Li., G. Y., 1998, Computer Simulation of Sheet Metal Forming Processes with Applications, Beijing, Beijing University of Science and Technology Press.
Li, G. Y., Tan, M. J., and Liew, K. M., 1998, “An Accurate and Efficient Shell Element,” Proc. HPC’98, Singapore, pp. 226–238.
Li,  G. Y., Tan,  M. J., and Liew,  K. M., 1999, “Springback Analysis for Sheet Forming Processes By Explicit Finite Element Method in Conjunction with the Orthogonal Regression Analysis,” Int. J. Solids Struct., 36, pp. 4653–4668.

Figures

Grahic Jump Location
The contact territory of a segment
Grahic Jump Location
The sheet forming system; 1-punch; 2-blank holder; 3-blank; 4-die
Grahic Jump Location
The deformed configuration of numerical result for square 80 mm blank. (a) Result by LS-DYNA3D; (b) result by present method; (c) experimental result.
Grahic Jump Location
The deformed configuration of numerical result for square 100 mm blank. (a) Numerical result; (b) experimental result.
Grahic Jump Location
The dimensions of the blank and the tools for s_rail forming
Grahic Jump Location
The deformed configuration after springback with blank holder force of 10 KN
Grahic Jump Location
The shape of a section after springback by present method (solid) and by LS-DYNA3D (dash)
Grahic Jump Location
The deformed configuration after springback with the blank holder force of 200 KN

Tables

Errata

Discussions

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In