摘要
随着对浮式防波堤适用水深的要求日益提高,传统的悬链线式和单一锚链系泊系统不再适应深水情境下浮式防波堤的建设需求。基于势流理论下的高阶边界元方法,建立了结合张紧式系泊和组合刚度系泊的浮式防波堤数值模型。设定入射波为不规则波浪,探究了不同组合刚度钢缆长度和张紧角度因素影响下的浮式防波堤水动力响应规律,并分析了各方案系泊张力安全系数。研究发现各波浪周期下浮式防波堤的运动曲线呈现不规则现象,在长周期有效波作用时,运动极值距离平衡位置偏差较大。尽管不同钢缆长度方案的运动位移统计值相差不大,但不同张紧角度在各方向上呈现不同的运动规律。结合系泊张力安全系数结果,比较并得出了适合特定设计波浪条件的张紧式组合刚度系泊系统参数,并为深水情况下张紧式组合刚度系泊浮式防波堤的设计提供工程参考。
With increasing requirements for the applicable water depth of floating breakwater,the traditional suspension chain line and single anchor chain mooring systems are no longer suitable for the construction of floating breakwater in deep water situations.Based on the high-order boundary element method under the potential flow theory,a numerical model combining the tension mooring and the combined stiffness mooring was established.The incident wave was set as an irregular wave.The hydrodynamic laws of the floating breakwater under the influence of the combined stiffness cable length and tension angle factors were investigated,and the mooring tension safety factor was calculated for each scheme.It is found that the motion curves of the floating breakwater for each wave period show irregular phenomena,and the extreme values of motion deviate more from the equilibrium position in the long-period effective wave action.The statistical value of the motion displacement of each cable length scheme shows little variation,and each tension angle shows different motion laws in different directions.Combined with the results of the mooring tension safety factor,the parameters of the tensioned combined stiffness mooring system suitable for the designed wave conditions are confirmed,and the engineering reference is provided for the tensioned mooring of the floating breakwater in deep-water conditions.
作者
亢戈霖
冯辉
张雨
金瑞佳
耿宝磊
KANG Gelin;FENG Hui;ZHANG Yu;JIN Ruijia;GENG Baolei(Tianjin Research Institute for Water Transport Engineering,National Engineering Research Center of Port Hydraulic Construction Technology,Key Laboratory of Engineering Sediment,Ministry of Transport,Tianjin 300456,China;Transportation Comprehensive Administrative Law Enforcement Team of Huludao City,Huludao 125003,China;Changshu Port and Shipping Industry Development Center,Changshu 215002,China)
出处
《水道港口》
2025年第4期527-535,共9页
Journal of Waterway and Harbor
基金
国家自然科学基金项目(42307597,U21A20123)。
关键词
浮式防波堤
张紧式系泊
势流理论
组合刚度系泊
不规则波
系泊安全
floating breakwater
tension mooring
potential flow theory
combined stiffness mooring
irregular wave
mooring safety
