Chinese Journal of Ship Research, Volume. 18, Issue 2, 38(2023)
Numerical analysis of impact resistance of honeycomb structures with different Poisson's ratios
Figures & Tables(18)
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Table 1. Three types of different Poisson's ratio honeycomb structure and corresponding Poisson's ratio expression
View tableView in ArticleTable 1. Three types of different Poisson's ratio honeycomb structure and corresponding Poisson's ratio expression
蜂窝类型 泊松比公式 六边形蜂窝 $\nu = \dfrac{{{{\cos }^2}\theta }}{{(h/l + \sin \theta )\sin \theta }}$ 内凹六边形蜂窝 $\nu = - \dfrac{{{{\cos }^2}\theta }}{{(h{\text{/}}l - \sin \theta )\sin \theta }}$ 半内凹六边形蜂窝 ν = 0
Table 2. Deformation modes of different geometrical honeycomb structures under three impact loads
View tableView in ArticleTable 2. Deformation modes of different geometrical honeycomb structures under three impact loads
t/l θ/(°) 六边形蜂窝 内凹六边形蜂窝 半内凹六边形蜂窝 V = 10 m/s V = 50 m/s V = 100 m/s V = 10 m/s V = 50 m/s V = 100 m/s V = 10 m/s V = 50 m/s V = 100 m/s 0.04 15 1 2 3 X X X 1 3 3 20 1 2 3 X 2 2 1 3 3 25 1 2 3 X 2 3 3 3 3 30 2 3 3 X 3 3 3 3 3 0.05 15 1 2 3 X 2 X 1 3 3 20 1 2 3 1 2 3 3 3 3 25 2 3 3 1 3 3 3 3 3 30 2 3 3 2 3 3 3 3 3 0.06 15 1 2 3 X X 2 1 3 3 20 2 3 3 1 3 3 3 3 3 25 2 3 3 2 3 3 3 3 3 30 3 X 3 3 3 3 3 3 3 0.07 15 2 X 3 X X 3 3 3 3 20 2 3 3 1 3 3 3 3 3 25 2 3 3 X 3 3 3 3 3 30 3 3 3 3 3 3 3 3 3
Table 3. Plateau stress of different geometrical honeycomb structures under three impact loads
View tableView in ArticleTable 3. Plateau stress of different geometrical honeycomb structures under three impact loads
t/l θ（°） 平台应力/MPa 六边形蜂窝 内凹六边形蜂窝 半内凹六边形蜂窝 V = 10 m/s V = 50 m/s V = 100 m/s V = 10 m/s V = 50 m/s V = 100 m/s V = 10 m/s V = 50 m/s V = 100 m/s 0.04 15 1.60 4.62 6.12 1.63 4.49 5.99 1.47 4.49 5.99 20 1.32 4.30 5.82 1.38 4.22 5.76 1.13 4.11 5.63 25 1.24 4.25 5.68 1.24 4.17 5.62 1.10 4.06 5.49 30 1.10 4.08 5.53 1.14 4.06 5.52 1.05 4.01 5.46 0.05 15 1.66 4.63 6.10 1.76 4.73 6.20 1.61 4.64 6.11 20 1.45 4.41 5.95 1.53 4.38 5.89 1.35 4.31 5.85 25 1.30 4.30 5.72 1.25 4.25 5.67 1.31 4.31 5.73 30 1.13 4.12 5.61 1.15 4.11 5.64 1.11 4.02 5.53 0.06 15 1.78 4.78 6.30 1.81 4.71 6.22 1.67 4.58 6.14 20 1.55 4.54 6.10 1.55 4.56 6.12 1.44 4.43 5.91 25 1.33 4.33 5.81 1.28 4.28 5.77 1.32 4.26 5.76 30 1.17 4.13 5.62 1.18 4.27 5.77 1.25 4.32 5.82 0.07 15 1.81 4.80 6.32 1.86 4.80 6.30 1.83 4.82 6.32 20 1.56 4.56 6.06 1.58 4.57 6.07 1.60 4.78 6.26 25 1.38 4.35 5.84 1.45 4.42 5.91 1.42 4.57 5.92 30 1.22 4.22 5.65 1.26 4.33 5.67 1.39 4.46 5.85
Table 4. Densified strain ofdifferent geometrical honeycomb structures under three impact loads
View tableView in ArticleTable 4. Densified strain ofdifferent geometrical honeycomb structures under three impact loads
t/l θ/(°) 致密应变/% 六边形蜂窝 内凹六边形蜂窝 半内凹六边形蜂窝 V = 10 m/s V = 50 m/s V = 100 m/s V = 10 m/s V = 50 m/s V = 100 m/s V = 10 m/s V = 50 m/s V = 100 m/s 0.04 15 88.3 93.2 95.6 80.2 84.6 88.1 85.2 87.1 92.2 20 86.2 92.1 95.3 79.8 89.8 94.1 83.4 85.7 90.9 25 84.8 91.4 94.7 79.2 90.4 94.4 83.0 84.8 90.0 30 84.2 90.3 93.4 78.9 86.0 90.0 80.3 82.5 87.5 0.05 15 86.6 92.5 95.6 79.5 90.1 88.5 84.3 86.3 91.3 20 85.7 91.8 95.0 79.2 89.4 93.4 82.7 85.0 89.7 25 85.1 90.5 93.1 86.7 88.7 92.8 82.4 84.4 89.4 30 84.1 90.1 93.4 84.6 86.6 90.9 81.4 83.1 88.2 0.06 15 86.5 92.6 95.6 78.3 84.1 93.4 83.9 85.9 90.9 20 86.4 92.7 95.0 86.2 88.2 92.2 82.1 84.0 89.1 25 84.9 90.1 93.1 84.0 86.0 90.0 81.2 83.1 88.1 30 81.0 87.2 93.4 81.2 83.2 87.8 80.5 82.5 87.5 0.07 15 85.3 88.3 95.0 78.0 80.5 92.5 82.4 84.5 89.4 20 84.3 91.7 94.7 82.9 84.9 88.8 82.1 83.9 89.1 25 83.1 91.2 93.1 77.6 83.7 87.8 79.9 81.6 86.9 30 82.7 89.7 92.8 79.9 81.9 86.3 78.7 80.1 85.9
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Xiaobo GONG, Yuhong LIU, Changli YU, Hongbin GUI. Numerical analysis of impact resistance of honeycomb structures with different Poisson's ratios[J]. Chinese Journal of Ship Research, 2023, 18(2): 38
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Received: Dec. 31, 2021
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Published Online: Mar. 20, 2025
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