Chinese Journal of Ship Research, Volume. 18, Issue 2, 28(2023)

Response of carbon fiber trapezoidal corrugated sandwich structure under air explosion loading

Shuaishuai ZHANG, Jun LIU, Pan ZHANG, and Yuansheng CHENG
Author Affiliations
  • School of Naval Architecture and Ocean Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
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    Figures & Tables(16)
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    • Table 1. Parameters of plain woven carbon fiber composite material laminates[13]

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      Table 1. Parameters of plain woven carbon fiber composite material laminates[13]

      参数数值
      方向1弹性模量${E_{11}}$/GPa62.3
      方向2弹性模量${E_{22}}$/GPa62.3
      厚度方向弹性模量${E_{33}}$/GPa8.5
      泊松比${v_{12}}$${v_{13} }$${v_{23}}$0.06
      剪切模量${G_{12}}$/GPa7.1
      剪切模量${G_{13}}$${G_{23}}$/GPa3
      方向1拉伸强度${X_{\rm{t} } }$/MPa610
      方向1压缩强度${X_{\rm{c} } }$/MPa314.7
      方向2拉伸强度${Y_{\rm{t} } }$/MPa610
      方向2压缩强度${Y_{\rm{c} } }$/MPa314.7
      厚度方向拉伸强度${Z_{\rm{t} } }$/MPa55.6
      厚度方向压缩强度${Z_{\rm{c}}}$/MPa500
      剪切强度${S_{12}}$/MPa101.7
      剪切强度${S_{13}}$${S_{23}}$/MPa59.4
      密度$\rho $/(kg·m−3)1467
    • Table 2. Cohesive element material parameters

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      Table 2. Cohesive element material parameters

      参 数数值
      弹性模量E11/GPa4.3
      G12/GPa2.0
      G13/GPa2.0
      失效应力$ {\sigma }_{\mathrm{N}} $/MPa100
      ${\sigma }_{\mathrm{S} }$/MPa80
      ${\sigma }_{\mathrm{T} }$/MPa80
      断裂能GN/(J·m−2)1 500
      GS/(J·m−2)2 000
      GT/(J·m−2)2 000
    • Table 3. PE4 explosive JWL state equation parameters[13]

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      Table 3. PE4 explosive JWL state equation parameters[13]

      参数数值
      注:ABR1R2ω为JWL状态方程参数。
      密度/(kg·m−3)1 770
      $ A $/GPa617.5
      $ B $/GPa16.9
      $ {R}_{1} $4.4
      $ {R}_{2} $1.2
      $ \omega $0.25
      爆轰速度V/(m·s−1)7 100
      初始内能$ {E}_{\mathrm{m}} $/(J·kg−1)5.707×106
    • Table 4. Air gas state equation parameters[14]

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      Table 4. Air gas state equation parameters[14]

      参数数值
      密度/(kg·m−3)1.225
      大气压强/Pa1.013×105
      体积常数R287.05
      初始温度$ \theta $/℃20
      绝对零度$ {\theta }_{\mathrm{z}} $/℃−273
    • Table 5. Structural parameter design of trapezoidal corrugated plate

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      Table 5. Structural parameter design of trapezoidal corrugated plate

      工况迎爆面面板tf /mm背爆面面板tb /mm芯层高Hc /mm芯层壁板折角θ/(°)单位面积相对质量
      TC-11.561.5614451.00
      TC-20.781.5614450.81
      TC-32.341.5614451.19
      TC-41.560.7814450.81
      TC-51.562.3414451.19
      TC-61.561.5614300.97
      TC-71.561.5614601.05
      TC-81.561.568450.99
      TC-91.561.5620451.01
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    Shuaishuai ZHANG, Jun LIU, Pan ZHANG, Yuansheng CHENG. Response of carbon fiber trapezoidal corrugated sandwich structure under air explosion loading[J]. Chinese Journal of Ship Research, 2023, 18(2): 28

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    Paper Information

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    Received: Oct. 26, 2021

    Accepted: --

    Published Online: Mar. 20, 2025

    The Author Email:

    DOI:10.19693/j.issn.1673-3185.02573

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