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Reliability optimization design of river-sea-going ship hull structure based on agent model technology
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Yu-han KANG1, Zhi-yong PEI2, 3, Wei-guo WU2, 3
Journal of Ship Mechanics | 2024, 28(4) : 551 - 560
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Journal of Ship Mechanics | 2024, 28(4): 551-560
• Structural Mechanics •
Reliability optimization design of river-sea-going ship hull structure based on agent model technology
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Yu-han KANG1, Zhi-yong PEI2, 3, Wei-guo WU2, 3
Affiliations
  • 1.School of Naval Architecture, Ocean and Energy Power Engineering, Wuhan University of Technology, Wuhan 430063, China
  • 2.Green & Smart River-Sea-Going Ship, Cruise and Yacht Research Centre, Wuhan University of Technology, Wuhan 430063, China
  • 3.Hubei Province Engineering Research Center on Green & Smart River-Sea-Going Ship, Wuhan 430063, China
Published: 2024-04-20 doi: 10.3969/j.issn.1007-7294.2024.04.007
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In order to improve the efficiency of multi-parameter, high dimensional and high nonlinear optimization of ship structure reliability optimization design and make up the lack of uncertainty factors affecting structural safety in traditional deterministic optimization design, a river-sea-going ship was taken as the research object. BP (Back Propagation) neural network agent model technique and SMOTE (Synthetic Minority Oversampling Technique) algorithm were used to increase the number of sample points near the failure surface, in order to obtain a high-precision limit state agent model of ship structure with fewer sample points. Combined with Monte Carlo simulation method, the reliability calculation program of hull structure was developed. Structural reliability optimization analysis was performed adopting the simulated annealing optimization algorithm in order to reduce the structural weight. A set of complete and effective reliability optimization design system based on agent model technology was established to improve the efficiency of reliability optimization design, which has guiding significance to the reliability optimization design of river-sea-going ship structures.

reliability optimization design  /  reliability computation  /  river-sea-going ship  /  agent model  /  SMOTE algorithm  /  Monte Carlo simulation
Yu-han KANG, Zhi-yong PEI, Wei-guo WU. Reliability optimization design of river-sea-going ship hull structure based on agent model technology[J]. Journal of Ship Mechanics, 2024 , 28 (4) : 551 -560 . DOI: 10.3969/j.issn.1007-7294.2024.04.007
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Article Info
doi: 10.3969/j.issn.1007-7294.2024.04.007
  • Receive Date：2023-10-28
  • Online Date：2026-03-21
  • Published：2024-04-20
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History
  • Received：2023-10-28
Affiliations
    1.School of Naval Architecture, Ocean and Energy Power Engineering, Wuhan University of Technology, Wuhan 430063, China
    2.Green & Smart River-Sea-Going Ship, Cruise and Yacht Research Centre, Wuhan University of Technology, Wuhan 430063, China
    3.Hubei Province Engineering Research Center on Green & Smart River-Sea-Going Ship, Wuhan 430063, China
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https://castjournals.cast.org.cn/joweb/cblx/EN/10.3969/j.issn.1007-7294.2024.04.007
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