Adaptive Simulations of T-Shape Tube Hydroforming Processes

Abstract:

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A successful THF process depends largely on the loading paths for controlling the relationship between the internal pressure, axial feeding and the counter punch. In this study, an adaptive algorithm combined with a finite element code LS-DYNA 3D is proposed to control the simulation of T-shape hydroforming with a counter punch. The effects of the friction coefficients at the interface between the tube and die on the loading path and thickness distribution of the formed product are discussed. Experiments of protrusion hydroforming are also conducted. The final shape and thickness distribution of the formed product are compared with the simulation results to verify the validity of this modeling.

Info:

Periodical:

Key Engineering Materials (Volumes 340-341)

Edited by:

N. Ohno and T. Uehara

Pages:

627-632

DOI:

10.4028/www.scientific.net/KEM.340-341.627

Citation:

Y. M. Hwang et al., "Adaptive Simulations of T-Shape Tube Hydroforming Processes", Key Engineering Materials, Vols. 340-341, pp. 627-632, 2007

Online since:

June 2007

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Price:

$35.00

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