Chinese Journal of Ship Research, Volume. 18, Issue 5, 133(2023)

General fast optimization method for midship section based on Mars2000

Junze WANG1, Yuan WANG2, Pan ZHANG1, Jiameng WU2, and Yuansheng CHENG1
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(8)
    [in Chinese]
    [in Chinese]
    [in Chinese]
    [in Chinese]
    [in Chinese]
    • Table 1. Physical meaning of notations in mathematical model

      View table
      View in Article

      Table 1. Physical meaning of notations in mathematical model

      编号符号物理意义
      1A剖面面积(总厚度)
      2~3${I_{ {\text{net} } } },{I_{y{\rm{R}}} }$剖面惯性矩(净厚度)及规范要求的最小值
      4~5${Z_{{\rm{Bn}}} },{Z_{{\rm{BR}}} }$船底剖面模数(净厚度)及规范要求的最小值
      6~7${Z_{\rm{Dn}}{} },{Z_{\rm{DR}}{} }$甲板的剖面模数(净厚度)及规范要求的最小值
      8~9${t_i},{t_{{\rm{r}}i} }$板的总厚度及规范要求的最小值
      10~11${\sigma_{i} },{\sigma_{{\rm{r}}i} }$板的弯曲应力与许用弯曲应力
      12~13${\tau_{i} },{\tau }_{{\rm{r} }i}$板的剪切应力与许用剪切应力
      14~15${\eta}_i,{\eta}_{{\rm{r}}i}$板的屈曲利用因子与许用屈曲利用因子
      16~17${\kern 1pt} {t_{{\rm{w}} j},{t_{{\rm{wr}}j} } }$筋的腹板总厚度与规范要求最小值
      18~19$\;{W_{ {\rm{net} }j} },{W_{ {\rm{req} }j} }$筋的净剖面模数及规范要求最小值
      20~21${t_{{\rm{fn}}j} },{t_{{\rm{fnr}}j} }$筋的面板净厚度及规范要求最小值
      22~23${h_{{\rm{fn}}j} },{h_{{\rm{fnr}}j} }$筋的面板净宽度及规范要求最小值
      24~25${I_{{\rm{net} }{j}} },{I_{ {\rm{req} }{j} } }$筋的净剖面惯性矩及规范要求最小值
      26~27${E_{ {\rm{tao} }j} },{E_{{\rm{taor} }{j}} }$板格的屈曲利用因子与许用屈曲利用因子
      28~29${E_{{\rm{tas} }{j}} },{E_{ {\rm{tasr} }j} }$筋的屈曲利用因子与许用屈曲利用因子
      30~31${F_{ {\rm{lf} }j} },{F_{{\rm{lfr} }{j}} }$纵骨端部节点疲劳寿命与规范要求最小值
    • Table 2. Optimization results with different sensitivity updating strategies

      View table
      View in Article

      Table 2. Optimization results with different sensitivity updating strategies

      敏度更新控制参数N最终优化结果/m2最终减小百分比/%迭代计算优化结果/m2迭代计算减小百分比/%迭代计算步数敏度分析次数小范围调整阶段的方案计算次数总方案计算次数
      注:单次敏度分析需要96次中剖面计算;原始方案剖面积为4.823 5 m2
      24.61684.2854.72642.01385431464359
      54.57295.1954.62654.08475161191730
      104.67273.1264.72202.1048091071051
      204.70612.4344.73921.748754107566
      504.69592.6454.75801.358922108392
      $\infty $4.63293.9514.75041.515961139331
    • Table 3. Comparison between the results with different optimization algorithms

      View table
      View in Article

      Table 3. Comparison between the results with different optimization algorithms

      优化算法优化结果/m2约束情况减小百分比/%方案计算总次数
      本文方法(N=5)4.572 9满足5.1951 730
      GA(30,160 0)4.602 3满足4.586约4.8×104
      GA(150,320)4.585 9满足4.926约4.8×104
      GA(300,160)4.552 8满足5.612约4.8×104
      CCEA(继承种群)4.591 4满足4.812约5.3×104
      CCEA(不继承种群)4.593 2满足4.775约5.3×104
    Tools

    Get Citation

    Copy Citation Text

    Junze WANG, Yuan WANG, Pan ZHANG, Jiameng WU, Yuansheng CHENG. General fast optimization method for midship section based on Mars2000[J]. Chinese Journal of Ship Research, 2023, 18(5): 133

    Download Citation

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

    Category: Ship Structure and Fittings

    Received: Jan. 6, 2022

    Accepted: --

    Published Online: Mar. 21, 2025

    The Author Email:

    DOI:10.19693/j.issn.1673-3185.02759

    Topics