Chinese Journal of Ship Research, Volume. 19, Issue 6, 126(2024)

Multi-fidelity optimization design of pressure-resistant cabin fixing brackets for blended-wing-body underwater glider

Chengshan LI1, Da LÜ2, Xiaoyi AN1, and Xuding SONG1
Author Affiliations
  • 1School of Construction Machinery, Chang'an University, Xi'an 710064, China
  • 2Wuhan Second Ship Design and Research Institute, Wuhan 430205, China
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    Figures & Tables(22)
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    • Table 1. Structural parameters for fixing bracket and initial conditions

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      Table 1. Structural parameters for fixing bracket and initial conditions

      参数数值
      D/mm60
      DR/mm300
      L/mm50
      H1/mm30
      H2/mm35
      T1/mm10
      T2/mm45
      中间舱体质量m1/kg250
      两侧舱体质量m2/kg175
      机身质量m3/kg200
      固定架材料铝合金
      机身模拟结构材料铝合金
    • Table 2. Properties of aluminum alloy material

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      Table 2. Properties of aluminum alloy material

      参数数值
      密度/(kg·m-3)2 770
      杨氏模量/GPa71
      泊松比0.33
      屈服强度/MPa280
      拉伸极限强度/MPa310
    • Table 3. Maximum stress and strain of fixing bracket during glider lifting

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      Table 3. Maximum stress and strain of fixing bracket during glider lifting

      加速度工况最大应变/mm最大应力/MPa
      a=3 m/s214.29282.54
      a=0 m/s213.53250.90
      a=−3 m/s212.78219.27
    • Table 4. Scope of design variables

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      Table 4. Scope of design variables

      变量下限Lb上限Ub
      D/mm4554
      DR/mm285315
      L/mm4045
      H1/mm2027
      H2/mm2531.5
      T1/mm1113
      T2/mm4955
    • Table 5. Comparison of optimization results

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      Table 5. Comparison of optimization results

      优化方法
      HKGOPSO
      最优质量/kg2.492.51
      质量减少量/%16.415.8
      高保真度计算次数72420
      低保真度计算次数107
      优化总耗时/h≈29.7≈116.7
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    Chengshan LI, Da LÜ, Xiaoyi AN, Xuding SONG. Multi-fidelity optimization design of pressure-resistant cabin fixing brackets for blended-wing-body underwater glider[J]. Chinese Journal of Ship Research, 2024, 19(6): 126

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    Paper Information

    Category: Theory and Method of Intelligent Design for Ship and Ocean Engineering

    Received: Dec. 21, 2023

    Accepted: --

    Published Online: Mar. 14, 2025

    The Author Email:

    DOI:10.19693/j.issn.1673-3185.03693

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