Numerical Simulation of Magnetic Pressure in Tube-electromagnetic Bulging with Die

J Mater Sci Technol ›› 2003, Vol. 19 ›› Issue (Supl.): 129-132.

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Numerical Simulation of Magnetic Pressure in Tube-electromagnetic Bulging with Die

Hongwei JIANG, Chunfeng LI, Haiping YU, Zhiheng ZHAO

School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China

Received:1900-01-01 Revised:1900-01-01 Online:2003-12-28 Published:2009-10-10
Contact: Hongwei JIANG

Abstract

Abstract: Calculation of magnetic pressure is the basis of application of electromagnetic forming (EMF). This paper carries out a numerical simulation of magnetic pressure under the influence of die by means of finite element method. The analysis model of electromagnetic bulging with die is created by using ANSYS, and the distribution of magnetic pressure acting on the tube and the die is obtained. The differences between EMF and other technologies and the effect of die on tube formability are analyzed. The die has important influence upon the calculation accuracy. The simulating conclusions with different discharge energy and current frequency are verified through the technologic tests. The distribution of magnetic pressure acting on the tube agrees well with the measurements of the deformed tube.

Key words: Electromagnetic bulging, Numerical simulation, Magnetic pressure, Deformation

Hongwei JIANG, Chunfeng LI, Haiping YU, Zhiheng ZHAO. Numerical Simulation of Magnetic Pressure in Tube-electromagnetic Bulging with Die[J]. J Mater Sci Technol, 2003, 19(Supl.): 129-132.

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Numerical Simulation of Magnetic Pressure in Tube-electromagnetic Bulging with Die

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