Chinese Journal of Ship Research, Volume. 17, Issue 3, 253(2022)
Impact response of composite lattice sandwich plate structure subjected to underwater explosion
Figures & Tables(21)
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Table 1. Partial material parameters of CFRP (lamina)
View tableView in ArticleTable 1. Partial material parameters of CFRP (lamina)
参数 数值 密度/(g·cm−3) 1.56 杨氏模量/MPa 42 700 剪切模量/MPa 4 400 泊松比 0.05 抗拉强度/MPa 658 抗压强度/MPa 269 剪切损伤初始剪应力/MPa 37
Table 2. Partial material parameters of aluminum alloy
View tableView in ArticleTable 2. Partial material parameters of aluminum alloy
参数 数值 密度/(g·cm−3) 2.7 杨氏模量/MPa 69 000 泊松比 0.33 断裂应变 0.125
Table 3. Material parameters of water
View tableView in ArticleTable 3. Material parameters of water
参数 数值 密度/(g·cm−3) 1 ${c_0}$ /(m·s−1)1 480 $s$ 0 ${\varGamma _0}$ 0 比热/(J·kg−1∙℃−1) 4.2×103 动力黏度/(Pa∙s) 1×10−3
Table 4. Model parameters of CFRP−lattice aluminum sandwich plate
View tableView in ArticleTable 4. Model parameters of CFRP−lattice aluminum sandwich plate
参数 数值 上面板每层纤维厚 ${t_1}$ /mm0.250 Octet点阵杆件直径 ${t_2}$ /mm1.000 下面板每层纤维厚 ${t_3}$ /mm0.250 能量/J 107.211 质量/kg 8.892 比吸收能SEA/(J·kg−1) 12.057 下面板最大位移Deflection/mm 5.499
Table 5. Simulation results at different working conditions
View tableView in ArticleTable 5. Simulation results at different working conditions
工况编号 上面板每层纤维厚 ${t_1}$ Octet杆件直径 ${t_2}$ 下面板每层纤维厚 ${t_3}$ 能量/J 质量/kg 比吸收能 SEA/(J·kg−1) 下面板最大位移 Deflection/mm A 0.25 1.0 0.25 107.211 8.892 12.057 5.499 B 0.10 1.0 0.25 33.467 8.725 3.836 5.796 C 0.40 1.0 0.25 41.025 9.059 4.529 5.516 D 0.25 0.8 0.25 82.567 8.873 9.306 5.032 E 0.25 1.2 0.25 120.051 8.916 13.464 5.699 F 0.25 1.0 0.10 105.024 8.725 12.036 7.232 G 0.25 1.0 0.40 103.309 9.059 11.404 4.801
Table 6. Experimental design surrogate optimization model and its simulation results
View tableView in ArticleTable 6. Experimental design surrogate optimization model and its simulation results
工况编号 上面板每层 纤维厚 ${t_1}$ Octet杆件 直径 ${t_2}$ 下面板每层 纤维厚 ${t_3}$ 能量/J 质量/kg 比吸能 SEA/(J·kg−1) 下面板最大位移 Deflection/mm 1 0.250 1.000 0.250 107.211 8.892 12.057 5.499 2 0.366 1.312 0.386 210.062 9.212 22.803 5.352 3 0.106 0.873 0.313 74.100 8.789 8.431 5.391 4 0.141 1.441 0.150 216.952 8.719 24.883 7.522 5 0.144 0.782 0.103 51.873 8.590 6.039 6.443 6 0.289 0.981 0.367 108.320 9.064 11.951 4.872 7 0.348 0.526 0.189 37.265 8.894 4.190 4.679 8 0.398 1.393 0.220 291.282 9.075 32.097 6.580 9 0.304 1.096 0.122 168.305 8.821 19.080 7.027 10 0.325 1.058 0.280 165.571 9.016 18.365 5.361 11 0.185 1.560 0.263 386.789 8.913 43.397 6.406 12 0.239 0.484 0.350 26.754 8.949 2.989 4.351 13 0.267 0.640 0.178 44.872 8.799 5.100 5.189 14 0.192 1.233 0.233 221.490 8.837 25.063 6.165 15 0.215 0.726 0.334 30.697 8.921 3.441 4.794
Table 7. Optimization design and simulation results of energy absorption
View tableView in ArticleTable 7. Optimization design and simulation results of energy absorption
参数 优化结果 模拟结果 能量/J − 411.272 质量/kg − 8.885 比吸收能SEA/(J·kg−1) 45.300 46.287 下面板最大位移Deflection/mm 8.757 8.327
Table 8. Optimization design and simulation results of energy absorption and deformation
View tableView in ArticleTable 8. Optimization design and simulation results of energy absorption and deformation
参数 优化结果 模拟结果 能量/J − 170.233 质量/kg − 8.889 比吸收能SEA/(J·kg−1) 18.367 19.151 下面板位移Deflection/mm 5.499 5.467
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Liuwei MAO, Xinming ZHU, Zhixin HUANG, Ying LI. Impact response of composite lattice sandwich plate structure subjected to underwater explosion[J]. Chinese Journal of Ship Research, 2022, 17(3): 253
Paper Information
Category: Ship Structure and Fittings
Received: Aug. 26, 2021
Accepted: --
Published Online: Mar. 25, 2025
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