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Model test of semi-submersible floating wind turbine with a mooring line broken under extreme environment
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Dan-xue OUYANG, Yu-feng KOU, Sheng-wen XU, Xiao WU, Jun LI, Tao PENG
Journal of Ship Mechanics | 2025, 29(12) : 1906 - 1918
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Journal of Ship Mechanics | 2025, 29(12): 1906-1918
• Structural Mechanics •
Model test of semi-submersible floating wind turbine with a mooring line broken under extreme environment
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Dan-xue OUYANG, Yu-feng KOU, Sheng-wen XU, Xiao WU, Jun LI, Tao PENG
Affiliations
  • State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
Published: 2025-12-15 doi: 10.3969/j.issn.1007-7294.2025.12.008
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The safety of a mooring system is one of the key performance that require verification for floating offshore platforms. Based on the requirements of lightweight design, precise control of active breaking and avoidance of measurement interference, this paper developed an active broken simulation device that can be used in marine engineering model tests. The semi-submersible floating wind turbine platform was used to carry out an active broken model test of a mooring chain in an extreme environment. The results show that the device can be triggered based on tension threshold judgment and timing, and has stability, accuracy and real-time performance. It can effectively capture the whole process of dynamic response of floating structure and mooring system after mooring failure. After breaking occured near the maximum mooring tension, the tension of the adjacent mooring chain surges, the safety factor decreases sharply, the platform undergoes a long-distance offset, and experiences severe oscillation, and the safety and positioning ability of the mooring system are seriously reduced.

floating platform  /  mooring chain broken  /  test equipment  /  model test
Dan-xue OUYANG, Yu-feng KOU, Sheng-wen XU, Xiao WU, Jun LI, Tao PENG. Model test of semi-submersible floating wind turbine with a mooring line broken under extreme environment[J]. Journal of Ship Mechanics, 2025 , 29 (12) : 1906 -1918 . DOI: 10.3969/j.issn.1007-7294.2025.12.008
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Year 2025 volume 29 Issue 12
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doi: 10.3969/j.issn.1007-7294.2025.12.008
  • Receive Date：2025-05-20
  • Online Date：2026-07-07
  • Published：2025-12-15
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  • Received：2025-05-20
Affiliations
    State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai 200240, 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
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Genus		 种数
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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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