Volume 9, Issue 37 (2011)                   Modares Mechanical Engineering 2011, 9(37): 121-133 | Back to browse issues page

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1- Islamic Azad University,khomeinishahr branch
2- Babol Noshirveini University of Technology
3- Toyohashi University of Technology, Japan
4- Isfahan University of Technology
Abstract:   (3361 Views)
In this study, pulsating hydroforming of tube in a box die is simulated using the three dimensional finite element method to investigate the mechanism of improvement of the corner filling. In addition, the results obtained from the simulation are compared with experimental observations, and the validity of the simulation results is verified. Based on a better understanding of the mechanism of improvement of the corner filling, a new pulsating pressure path is proposed to increase the corner filling. It has been shown that the proposed pulsating pressure path is more effective in increasing the corner filling of the box shape tube hydroforming process.
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Received: 2007/08/10 | Accepted: 2008/04/7 | Published: 2009/10/13