Numerical simulation analysis of the collision between ship side and small iceberg

Biye YANG; Zhigang HUANG; Ning LIU; Zhe SUN; Guiyong ZHANG

doi:10.19693/j.issn.1673-3185.02220

Chinese Journal of Ship Research, Volume. 16, Issue 5, 78(2021)

Numerical simulation analysis of the collision between ship side and small iceberg

Biye YANG¹, Zhigang HUANG², Ning LIU¹, Zhe SUN¹, and Guiyong ZHANG^1,3,4

¹Liaoning Engineering Laboratory for Deep-Sea Floating Structure, School of Naval Architecture Engineering, Dalian University of Technology, Dalian 116024, China

²CATARC Automotive Test Center (Tianjin) Co., Ltd., Tianjin 300399, China

³State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, Dalian 116024, China

⁴Collaborative Innovation Center for Advanced Ship and Deep-Sea Exploration, Shanghai 200240, China

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Figures & Tables(18)

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Table 1. Main material parameters of iceberg
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Table 1. Main material parameters of iceberg
参数数值
密度/(kg·m⁻³) 900
弹性模量/Pa 9.5×10⁹
泊松比 0.3
屈服应力/Pa 6.9×10⁶
剪切模量/Pa 6.7×10⁹
塑性失效应变 0.001^[16]

Table 2. Thickness of the side shell
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Table 2. Thickness of the side shell
区域参数数值
A 舷侧外板厚/mm 32
B 舷侧内板厚/mm 24
C 肋板厚/mm 14
D 纵桁材厚/mm 10
E 舷侧内板厚/mm 18
其余区域底部加强构件等的厚度/mm 16

Table 3. Main material parameters of the side shell
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Table 3. Main material parameters of the side shell
参数数值
密度/(kg·m⁻³) 7 850
弹性模量/Pa 2.01×10¹¹
泊松比 0.3
屈服应力/Pa 2.35×10⁸
剪切模量/Pa 7.73×10¹⁰
塑性失效应变 0.2^[18]

Table 4. Parameters of the model mesh
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Table 4. Parameters of the model mesh
区域单元类型单元尺寸/m 网格数量
船体舷侧 4 node-Shell 0.3/0.25 18 193
冰山 8 node-Solid 0.15 16 384
水域 Solid ALE 0.3 203 500
空气域 Solid ALE 0.3 258 500

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Biye YANG, Zhigang HUANG, Ning LIU, Zhe SUN, Guiyong ZHANG. Numerical simulation analysis of the collision between ship side and small iceberg[J]. Chinese Journal of Ship Research, 2021, 16(5): 78

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