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Analysis of the dynamic response of floating structures in island topography
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Yan-li GAO1, Lin-xi HUANG2, Jia-huang TU1, 3, Guan-yu WANG1, Xiao-fan HUANG4
Journal of Ship Mechanics | 2025, 29(3) : 363 - 373
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Journal of Ship Mechanics | 2025, 29(3): 363-373
• Hydrodynamics •
Analysis of the dynamic response of floating structures in island topography
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Yan-li GAO1, Lin-xi HUANG2, Jia-huang TU1, 3, Guan-yu WANG1, Xiao-fan HUANG4
Affiliations
  • 1.College of Civil Engineering, Xiangtan University, Xiangtan 411105, China
  • 2.China Railway Construction Engineering Changsha Planning and Design Institute, Changsha 411107, China
  • 3.College of Transport and Civil Architecture, Foshan University, Foshan 528225, China
  • 4.Hunan Dinghao Construction Co. Ltd., Yiyang 413002, China
Published: 2025-03-20 doi: 10.3969/j.issn.1007-7294.2025.03.003
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Based on the SPH numerical simulation method, this paper presents an analysis of the wave variation of regular and irregular waves propagating along an inshore island reef with a floating structure, and the dynamic response of a tethered floating structure under the island reef topography, respectively. The results show that the floating structure attenuates irregular waves better than regular waves when a tethered floating structure is installed in front of the shore reef, and changes in wave height have little effect on the attenuation of floating structure wave height. However, changes in wave period have a greater impact on the attenuation effect of the floating structure, and the floating structure is less effective in attenuating the wave height of long-period waves. The maximum vertical displacement, maximum longitudinal rocking angle and maximum transverse oscillation values of the floating structure all show an increasing trend with wave height increasing under different regular wave height conditions, with the maximum longitudinal rocking angle being the most sensitive to changes in wave height and the maximum vertical displacement being the least sensitive.

island topography  /  SPH method  /  tethered floating structure  /  dynamic response  /  wave parameter
Yan-li GAO, Lin-xi HUANG, Jia-huang TU, Guan-yu WANG, Xiao-fan HUANG. Analysis of the dynamic response of floating structures in island topography[J]. Journal of Ship Mechanics, 2025 , 29 (3) : 363 -373 . DOI: 10.3969/j.issn.1007-7294.2025.03.003
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Article Info
doi: 10.3969/j.issn.1007-7294.2025.03.003
  • Receive Date：2024-09-18
  • Online Date：2026-03-24
  • Published：2025-03-20
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  • Received：2024-09-18
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Affiliations
    1.College of Civil Engineering, Xiangtan University, Xiangtan 411105, China
    2.China Railway Construction Engineering Changsha Planning and Design Institute, Changsha 411107, China
    3.College of Transport and Civil Architecture, Foshan University, Foshan 528225, China
    4.Hunan Dinghao Construction Co. Ltd., Yiyang 413002, China
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https://castjournals.cast.org.cn/joweb/cblx/EN/10.3969/j.issn.1007-7294.2025.03.003
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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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