Chinese Journal of Ship Research, Volume. 16, Issue 4, 44(2021)

Genetic optimization method of ship strong frame based on sequential surrogate model

Junze WANG1, Yuan WANG2, Jiaxiang YI1, Tao HAN2, Puyu JIANG1, Jiameng WU2, Yuansheng CHENG1, and Jun LIU1
Author Affiliations
  • 1School of Naval Architecture and Ocean Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
  • 2Marine Design and Research Institute of China, Shanghai 200011, China
  • show less
    Figures & Tables(9)
    [in Chinese]
    [in Chinese]
    [in Chinese]
    [in Chinese]
    [in Chinese]
    [in Chinese]
    • Table 1. Definition and ranges of design variables in the middle-lower part of strong frame

      View table
      View in Article

      Table 1. Definition and ranges of design variables in the middle-lower part of strong frame

      变量取值范围
      区域1竖桁腹板厚$ {x}_{1} $/mm[10.25,14.25]
      区域2竖桁腹板厚$ {x}_{2} $/mm[10.25,14.25]
      区域3竖桁腹板厚$ {x}_{3} $/mm[10.25,14.25]
      区域4竖桁腹板厚$ {x}_{4} $/mm[10.25,14.25]
      区域5肋板厚$ {x}_{5/{\rm{m}}{\rm{m}}} $[10.50,14.50]
      区域6肋板厚$ {x}_{6}/{\rm{m}}{\rm{m}} $[10.50,14.50]
      区域7肋板厚$ {x}_{7}/{\rm{m}}{\rm{m}} $[10.50,14.50]
      区域8肋板厚$ {x}_{8} $/mm[10.50,14.50]
      区域9肋板厚$ {x}_{9}/{\rm{m}}{\rm{m}} $[10.50,14.50]
      区域10肘板厚$ {x}_{10/{\rm{m}}{\rm{m}}} $[10.25,14.25]
      区域11肘板趾端厚$ {x}_{11}/{\rm{m}}{\rm{m}} $[13.25,17.25]
      区域12肘板厚$ {x}_{12} $/mm[10.25,14.25]
      区域13肘板趾端厚$ {x}_{13}/{\rm{m}}{\rm{m}} $[13.25,17.25]
      A面板厚$ {x}_{14} $/mm[17.25,21.25]
      B面板厚$ {x}_{15} $/mm[17.25,21.25]
    • Table 2. Optimization results of the middle-lower part of strong frame

      View table
      View in Article

      Table 2. Optimization results of the middle-lower part of strong frame

      初始质量静态代理模型序贯代理模型
      70个样本点100个样本点150个样本点(30+2×20=70个样本点)(60+2×20=100个样本点)
      中下区域总质量/t64.9064.768 764.537 664.89663.903 963.890 7
      总质量下降百分比/%0.006 21.534 81.555 2
      设计区域质量/t6.489 46.358 16.127 06.485 45.493 35.480 1
      设计区域质量下降百分比/%0.061 615.349 615.553 1
      粗网格模型约束满足程度/%−18.55−3.21−3.57−18.74−17.64−12.54
      细网格模型约束满足程度/%−11.262.632.16−3.84−0.85−0.60
    • Table 3. Optimized design variable values of the middle-lower part of strong frame

      View table
      View in Article

      Table 3. Optimized design variable values of the middle-lower part of strong frame

      变量原始值规范下限静态代理模型(150个样本点)序贯代理模型
      (30+2×20=70个样本点)(60+2×20=100个样本点)
      区域1竖桁腹板厚$ {x}_{1} $/mm15.7510.2514.2513.7513.75
      区域2竖桁腹板厚$ {x}_{2} $/mm12.7510.2514.2512.2511.75
      区域3竖桁腹板厚$ {x}_{3} $/mm12.7510.2512.7514.2513.25
      区域4竖桁腹板厚$ {x}_{4} $/mm11.7510.2511.7510.2510.25
      区域5肋板厚$ {x}_{5} $/mm12.510.514.5010.5010.50
      区域6肋板厚$ {x}_{6} $/mm12.510.514.5010.5010.50
      区域7肋板厚$ {x}_{7} $/mm11.510.512.5010.5010.50
      区域8肋板厚$ {x}_{8} $/mm11.510.510.5010.5010.50
      区域9肋板厚$ {x}_{9} $/mm12.510.511.5010.5010.50
      区域10肘板厚$ {x}_{10} $/mm11.7510.2513.2510.2510.25
      区域11肘板趾端厚$ {x}_{11} $/mm19.2510.2515.7513.2513.25
      区域12肘板厚$ {x}_{12} $/mm14.2510.2511.2510.2510.25
      区域13肘板趾端厚$ {x}_{13} $/mm19.2510.2517.2517.2513.25
      A面板厚$ {x}_{14} $/mm23.2510.7520.2517.2521.25
      B面板厚$ {x}_{15} $/mm23.2510.7520.7517.2517.25
    Tools

    Get Citation

    Copy Citation Text

    Junze WANG, Yuan WANG, Jiaxiang YI, Tao HAN, Puyu JIANG, Jiameng WU, Yuansheng CHENG, Jun LIU. Genetic optimization method of ship strong frame based on sequential surrogate model[J]. Chinese Journal of Ship Research, 2021, 16(4): 44

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Save article for my favorites
    Paper Information

    Category:

    Received: Sep. 20, 2020

    Accepted: --

    Published Online: Mar. 28, 2025

    The Author Email:

    DOI:10.19693/j.issn.1673-3185.02118

    Topics