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http://dx.doi.org/10.3795/KSME-A.2015.39.3.259

Preliminary Study on Optimization of the Tube Hydroforming Process Using the Equivalent Static Loads  

Jang, Hwan-Hak (Dept. of Mechanical Engineering, Hanyang Univ.)
Park, Gyung-Jin (Dept. of Mechanical Engineering, Hanyang Univ.)
Kim, Tai-Kyung (School of Mechanical Engineering, Hoseo Univ.)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.39, no.3, 2015 , pp. 259-268 More about this Journal
Abstract
An optimization method for the tube hydroforming process is developed using the equivalent static loads method for non linear static response structural optimization (ESLSO). The aims of the tube hydroforming optimization are to determine the axial forces (axial feedings) and the internal pressures, and to obtain the desired shape without failures after hydroforming analysis. Therefore, the magnitude of the forces should be design variables in the optimization process. Also, some tube hydroforming optimization needs to consider the result of the thickness in nonlinear dynamic analysis as responses. However, the external forces are considered as constants and the thickness is not a response in the linear response optimization process of the original ESLSO. Thus, a new ESLSO process is proposed to overcome the difficulties and some examples are solved to validate the proposed method.
Keywords
Optimization; Equivalent Static Loads; Tube Hydroforming;
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Times Cited By KSCI : 3  (Citation Analysis)
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