Reliability-based multidisciplinary design optimization using incremental shifting vector strategy and its application in electronic product design

Z.L.Huang; Y.S.Zhou; C.Jiang; J.Zheng; X.Han

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Reliability-based multidisciplinary design optimization using incremental shifting vector strategy and its application in electronic product design

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摘要

Use of multidisciplinary analysis in reliability-based design optimization(RBDO)results in the emergence of the important method of reliability-based multidisci-plinary design optimization (RBMDO). To enhance the efficiency and convergence of the overall solution process, a decoupling algorithm for RBMDO is proposed herein. Firstly,to decouple the multidisciplinary analysis using the individual disciplinary feasible(IDF)approach,the RBMDO is converted into a conventional form of RBDO.Secondly, the incremental shifting vector(ISV)strategy is adopted to decouple the nested optimization of RBDO into a sequen-tial iteration process composed of design optimization and reliability analysis,thereby improving the efficiency signif-icantly.Finally,the proposed RBMDO method is applied to the design of two actual electronic products:an aerial cam-era and a car pad.For these two applications,two RBMDO models are created, each containing several finite element models(FEMs)and relatively strong coupling between the involved disciplines.The computational results demonstrate the effectiveness of the proposed method.

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《力学学报：英文版》 |2018年第002期|285-302|共18页
作者
Z.L.Huang; Y.S.Zhou; C.Jiang; J.Zheng; X.Han;
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School of Mechanical and Electrical Engineering,Hunan City University,Yiyang 413002,China;

State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body,College of Mechanical and Vehicle Engineering,Hunan University,Changsha 410082,China;

State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body,College of Mechanical and Vehicle Engineering,Hunan University,Changsha 410082,China;

State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body,College of Mechanical and Vehicle Engineering,Hunan University,Changsha 410082,China;

State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body,College of Mechanical and Vehicle Engineering,Hunan University,Changsha 410082,China;

State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body,College of Mechanical and Vehicle Engineering,Hunan University,Changsha 410082,China;

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Reliability-based multidisciplinary design optimization using incremental shifting vector strategy and its application in electronic product design

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