Numerical Simulation of Plastic Deformation of Pressurized Oblate Spheroid-Inscribed Single-Curvature Shells

Author:

Zhang S. H.1,Danckert J.1,Wang Z. R.2,Nielsen K. B.1

Affiliation:

1. Department of Production, Aalborg University, Fibigerstraede 16, DK-9220, Aalborg, Denmark

2. Harbin Institute of Technology, Harbin 150001, China

Abstract

The integral hydro-bulge forming (IHBF) technology is used for manufacturing oblate spheroidal shells. A mild steel oblate spheroidal shell and a stainless steel shell were manufactured by using this new technology. The IHBF processes of the experimental shells are simulated by using an explicit finite element code, the numerical results are discussed and compared with the experimental results. Based on the numerical simulations and experimental results, a few suggestions are made for improving the new technology. [S1087-1357(00)71201-9]

Publisher

ASME International

Subject

Industrial and Manufacturing Engineering,Computer Science Applications,Mechanical Engineering,Control and Systems Engineering

Reference19 articles.

1. Wang, Z. R., Wang, T., Kang, D. C., Zhang, S. H., and Fang, Y., 1989, “The Technology of the Hydro-bulging of Whole Spherical Vessels and Experimental Analysis,” J. Mech. Working Technol., 18, pp. 85–94.

2. Zhang, S. H., and Wang, Z. R., 1994, “Research into the Dieless Hydroforming of Double-layer Spherical Vessels,” Int. J. Pressure Vessels Piping, 60, pp. 145–149.

3. Zhang, S. H., and Wang, Z. R., 1990, “The Stress Distribution and Plastic Hastening-sphere Effect in the Integral Hydro-bulge Forming of Spherical Vessels,” Int. J. Mater. Product. Technol., 5, pp. 293–300.

4. Dong, J. L., Wang, Z. R., and Liu, C. D., 1992, “Single-Curvature Polyhedron Hydrobulging Technology for Manufacturing Spherical Vessels,” Proceedings of 7th International Conference on Pressure Vessel Technology, May 31–June 5, 1992, Dusseldorf, Germany.

5. Zhang, S. H., and Wang, Z. R., 1994, “FEM Simulation of the Hydro-bulging Process for 32-petal Spherical Vessels,” Int. J. Mech. Sci., 36, pp. 13–22.

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