Chinese Journal of Ship Research, Volume. 19, Issue 2, 98(2024)

Collaborative optimization method of surrogate model for ship cabin structure based on sub-model decomposition

Junze WANG... Pan ZHANG, Jun LIU and Yuansheng CHENG |Show fewer author(s)
Author Affiliations
  • School of Naval Architecture and Ocean engineering, Huazhong University of Science and Technology, Wuhan 430074, China
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    Figures & Tables(10)
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    • Table 1. The value space of design variables of deck 1 grillage

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      Table 1. The value space of design variables of deck 1 grillage

      板架名称设计变量下限上限水平数
      1甲板(主舱部分)甲板板厚度x1162611
      纵桁型号x220278
      纵骨型号x3386
      横梁型号x422276
      1甲板(边舱部分)甲板板厚度x541411
      纵骨型号x6287
      横梁型号x7142411
    • Table 2. The statistical results of different optimization methods for cabin structure

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      Table 2. The statistical results of different optimization methods for cabin structure

      统计指标子模型法(1轮)子模型法(2轮)子模型法(3轮)子模型法(4轮)降维法
      平均方案计算次数3316229071198887
      最优值/t1 435.151 422.941 418.861 449.431 461.57
      最优减小百分比/%3.874.684.962.912.10
      平均值/t1 455.781 445.441 437.101 467.221 467.36
      平均减小百分比/%2.483.183.731.721.71
      减小百分比标准差/%0.881.441.621.060.29
    • Table 3. The comparison of partial design variables between the initial scheme and the final optimized scheme of cabin structure

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      Table 3. The comparison of partial design variables between the initial scheme and the final optimized scheme of cabin structure

      板架名称设计变量物理意义下限上限水平数原始方案最终优化方案
      1甲板(主舱部分)$ x_{\text{1}} $甲板板厚度1626112116
      $ x_{\text{2}} $纵桁型号202782520
      $ x_{\text{3}} $纵骨型号38683
      $ x_{\text{4}} $横梁型号222762727
      1甲板(边舱部分)$ x_{\text{5}} $甲板板厚度4141194
      $ x_{\text{6}} $纵骨型号28752
      $ x_{\text{7}} $横梁型号1424111924
      舷侧板架(1~2甲板间)$ x_{\text{8}} $舷侧板厚度2121176
      $ x_{9} $舷侧纵骨型号28777
      $ x_{\text{10}} $肋骨型号818111315
      舷侧板架(2~3甲板间)$ x_{\text{11}} $舷侧板厚度210955
      $ x_{\text{12}} $舷侧纵骨型号28766
      $ x_{\text{13}} $肋骨型号61611119
      舷侧板架(5~6甲板间)$ x_{20} $舷侧板厚度2111065
      $ x_{21} $舷侧纵骨型号28776
      $ x_{22} $肋骨型号818111313
      舷侧板架(6甲板以下)$ x_{23} $舷侧板厚度3131188
      $ x_{\text{24}} $舷侧纵骨型号38687
      $ x_{\text{25}} $肋骨型号919111415
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    Junze WANG, Pan ZHANG, Jun LIU, Yuansheng CHENG. Collaborative optimization method of surrogate model for ship cabin structure based on sub-model decomposition[J]. Chinese Journal of Ship Research, 2024, 19(2): 98

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    Paper Information

    Category: Ship Structure and Fittings

    Received: Jan. 3, 2023

    Accepted: --

    Published Online: Mar. 18, 2025

    The Author Email:

    DOI:10.19693/j.issn.1673-3185.03237

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