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Enhanced sequential optimization and reliability assessment for reliability-based design optimization

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Abstract

Reliability-based design optimization (RBDO) has been receiving increasing attention for achieving high safety and reliability in engineering design. Sequential optimization and reliability assessment (SORA), as one of the efficient single-loop methods, decouples an RBDO problem into sequential deterministic optimization and reliability analysis. An enhanced SORA (ESORA) method is proposed with the aim of further improving the computational efficiency for RBDO, considering both cases of constant and varying variances of random design inputs while keeping the single-loop framework. Vehicle side impact example is used to test and compare the efficiency of the proposed method with existing approaches.

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Authors and Affiliations

  1. School of Mechanical, Electronic, and Industrial Engineering, University of Electronic Science and Technology of China, Chengdu, Sichuan, 611731, China

    Hong-Zhong Huang, Xudong Zhang, Yu Liu, Debiao Meng & Zhonglai Wang

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  1. Hong-Zhong Huang
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  2. Xudong Zhang
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  3. Yu Liu
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  4. Debiao Meng
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  5. Zhonglai Wang
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Correspondence to Hong-Zhong Huang.

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Recommended by Guest Editor Dong-Ho Bae

Hong-Zhong Huang is the Dean of the School of Mechanical, Electronic, and Industrial Engineering, University of Electronic Science and Technology of China. He received a Ph.D. in Reliability Engineering from Shanghai Jiaotong University, China. He has published 150 journal papers and 5 books in the field of reliability engineering. He has held visiting appointments at several universities in the USA, Canada, and Asia. He received the Golomski Award from the Institute of Industrial Engineers in 2006. His current research interests include system reliability analysis, warranty, maintenance planning and optimization, computational intelligence in product design.

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Huang, HZ., Zhang, X., Liu, Y. et al. Enhanced sequential optimization and reliability assessment for reliability-based design optimization. J Mech Sci Technol 26, 2039–2043 (2012). https://doi.org/10.1007/s12206-012-0511-7

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  • DOI: https://doi.org/10.1007/s12206-012-0511-7

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