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Mathematical Problems in Engineering
Volume 2012 (2012), Article ID 647127, 21 pages
doi:10.1155/2012/647127
A Novel Sensitivity Analysis Method in Structural Performance of Hydraulic Press
School of Mechanical Engineering, Tianjin University, Tianjin 300072, China
Received 8 May 2012; Accepted 5 September 2012
Academic Editor: Alexei Mailybaev
Copyright © 2012 Peihao Zhu et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Sensitivity analysis plays a key role in structural optimization, but traditional methods of sensitivity analysis in strength and stiffness are time consuming and of high cost. In order to effectively carry out structural optimization of hydraulic press, this paper presents a novel sensitivity analysis method in structural performance of hydraulic press, which saves a great deal of time and design costs. The key dimension parameters of the optimization of design variables, which remarkably impact on the structural performance of hydraulic press, are efficiently selected. The impact order of various sensitivity parameters in strength and stiffness of machine tools is consistent with the sensitivity ranking of regression analysis. The research results provide the basis for the hydraulic machine design and references in research of machine tools and equipment.