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Numerical analysis of ice pressure load characteristics of polar ships under turning ice-breaking scenario
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Yu-hui GE1, Shi-feng DING2, Li ZHOU2, Jing CAO3, Yan-wu WANG4
Journal of Ship Mechanics | 2025, 29(3) : 400 - 408
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Journal of Ship Mechanics | 2025, 29(3): 400-408
• Hydrodynamics •
Numerical analysis of ice pressure load characteristics of polar ships under turning ice-breaking scenario
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Yu-hui GE1, Shi-feng DING2, Li ZHOU2, Jing CAO3, Yan-wu WANG4
Affiliations
  • 1.School of Naval Architecture & Ocean Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, China
  • 2.Shanghai Jiao Tong University, Shanghai 200030, China
  • 3.Shanghai Rules and Research Institute, China Classification Society, Shanghai 200135, China
  • 4.Marine Design & Research Institute of China, Shanghai 200011, China
Published: 2025-03-20 doi: 10.3969/j.issn.1007-7294.2025.03.006
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For a ship turning in the ice area, the bow shoulder and stern of the ship are more vulnerable to ice load of large amplitude, posing a threat to the safety of the hull structure. In this paper, the sea ice circumferential crack expansion analysis method was used to simulate the dynamic process of ship-ice interaction for ice breaking ship during turning. The random characteristics of ship-ice collision in different hull areas were analyzed, making an identification of the typical local ice pressure time course, to obtain the main characteristics of different types of ice pressure, such as period, amplitude and distribution law, and analyze the danger degree of each hull area under turning ice breaking scenario. The results show that there is a negative correlation between the period and amplitude of local loads, and that in the bow area, the short period "pure triangle" type loads account for 63.79% of the total and the peak value accounts for 82.4% of the whole ship. So the bow area is the key area of a ship in the turning ice breaking scenario. The method adopted in this paper provides an effective means to study the ship-ice interaction, and the relevant calculation results can be used as load input for the design of ice-resistant structures of polar ships.

ice pressure characteristics  /  turning maneuvering  /  dynamic load  /  statistical analysis  /  polar ship
Yu-hui GE, Shi-feng DING, Li ZHOU, Jing CAO, Yan-wu WANG. Numerical analysis of ice pressure load characteristics of polar ships under turning ice-breaking scenario[J]. Journal of Ship Mechanics, 2025 , 29 (3) : 400 -408 . DOI: 10.3969/j.issn.1007-7294.2025.03.006
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Article Info
doi: 10.3969/j.issn.1007-7294.2025.03.006
  • Receive Date：2024-09-23
  • Online Date：2026-03-24
  • Published：2025-03-20
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  • Received：2024-09-23
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Affiliations
    1.School of Naval Architecture & Ocean Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, China
    2.Shanghai Jiao Tong University, Shanghai 200030, China
    3.Shanghai Rules and Research Institute, China Classification Society, Shanghai 200135, China
    4.Marine Design & Research Institute of China, Shanghai 200011, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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