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Amplitude of local ice pressure in upright wide structures
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Xin PENG1, Guo-jun WANG2, Yang-hua FU1, Ya-ting HUANG1, Rui DONG1, Da-yong ZHANG1, 3
Journal of Ship Mechanics | 2024, 28(4) : 561 - 570
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Journal of Ship Mechanics | 2024, 28(4): 561-570
• Structural Mechanics •
Amplitude of local ice pressure in upright wide structures
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Xin PENG1, Guo-jun WANG2, Yang-hua FU1, Ya-ting HUANG1, Rui DONG1, Da-yong ZHANG1, 3
Affiliations
  • 1.School of Ocean Science and Technology, Dalian University of Technology, Panjin 124221, China
  • 2.Dept. of Mechanical Engineering, Dalian University of Technology, Dalian 116023, China
  • 3.Ningbo Institute of Dalian University of Technology, Ningbo 315000, China
Published: 2024-04-20 doi: 10.3969/j.issn.1007-7294.2024.04.008
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In order to clarify the influencing factors of the amplitude of local ice pressure and pressure-area curve of the upright wide structures, the calculation method of the local ice pressure in ISO 19906 was firstly analyzed in this paper, and its limitation was found. Secondly, the discrete element method was used to simulate the interaction between different sea ice conditions and multi-scale structures. It is found that the amplitude of local ice pressure increases with the increase of ice thickness and decreases with the increase of structure width. The amplitude and standard deviation of local ice pressure decrease with the increase of width-thickness ratio, showing obvious scale effect. Finally, the influence of ice thickness and width on pressure-area curve parameters was studied by square-averaging method, and one similar working condition was selected to compare with that of ISO specifications. The rationality of the discrete element simulation method in dealing with the local ice pressure-area curve was verified, which provides a certain basis and reference for the ice resistance performance analysis and structural design of the platform.

upright wide structure  /  local ice pressure  /  discrete element method  /  scale effect  /  square-averaging method
Xin PENG, Guo-jun WANG, Yang-hua FU, Ya-ting HUANG, Rui DONG, Da-yong ZHANG. Amplitude of local ice pressure in upright wide structures[J]. Journal of Ship Mechanics, 2024 , 28 (4) : 561 -570 . DOI: 10.3969/j.issn.1007-7294.2024.04.008
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Article Info
doi: 10.3969/j.issn.1007-7294.2024.04.008
  • Receive Date：2023-10-18
  • Online Date：2026-03-21
  • Published：2024-04-20
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  • Received：2023-10-18
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Affiliations
    1.School of Ocean Science and Technology, Dalian University of Technology, Panjin 124221, China
    2.Dept. of Mechanical Engineering, Dalian University of Technology, Dalian 116023, China
    3.Ningbo Institute of Dalian University of Technology, Ningbo 315000, China
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表12种不同金属材料的力学参数
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Number of
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Number of
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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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