The Shape Optimization of Axisymmetric Structures Based on Fictitious Loads Variable

Shuguang Gong (), Yunqing Huang (), Guilan Xie and Bo Hong
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Shuguang Gong: Xiangtan University, Department of Mathematics
Yunqing Huang: Xiangtan University, Department of Mathematics
Guilan Xie: Xiangtan University, Institute of Mechanical Engineering
Bo Hong: Xiangtan University, Institute of Mechanical Engineering

A chapter in Recent Progress in Computational and Applied PDES, 2002, pp 195-204 from Springer

Abstract: Abstract A numerical method is developed for shape optimization of axisymmetric structures based on choosing the sets of fictitious loads acting on a structure‘s ’control point’ as the optimizing design variable. The axisymmetric structure is decomposed by using an isoparametric parabolic-type element that has high accuracy for design sensitivity analysis. An efficient analytic method, based on a fictitious load variable, is developed for sensitivity analysis in shape optimization of the axisymmetric structure. Two optimization examples have been tested successfully.

Keywords: Fictitious Loads; FEM; Shape Optimization; Axisymmetric Structures (search for similar items in EconPapers)
Date: 2002
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-1-4615-0113-8_14

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DOI: 10.1007/978-1-4615-0113-8_14

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