势流理论在液货船船体与液舱晃荡运动分析的应用  

The application of potential flow theory in the analysis of sloshing motion between the hull and tank of a tanker

作　　者：孙程 代丽华[1] SUN Cheng;DAI Li-hua(Department of Transportation Engineering,Yantai Vocational College,Yantai 264000,China)

机构地区：[1]烟台职业学院交通工程系,山东烟台264000

出　　处：《舰船科学技术》2024年第6期64-67,共4页Ship Science and Technology

摘　　要：本文研究势流理论,着重分析船舶水动力模型并给出横浪中船舶横摇响应曲线,构建脉冲响应模型,分析船舶垂荡运动脉冲响应曲线;对船舶液舱晃荡运动进行仿真分析,分析船舶横摇情况下波面升高变化曲线以及压力曲线;对液舱晃荡和船体耦合运行进行仿真分析,根据一定的尺寸比构建船舶模型,并给出船舶横摇衰减曲线,同时对船舶模型加载横浪和迎浪2种工况下的负载激励,并进行船舶运动和液舱晃荡的耦合运动时域解算分析。In this paper,the theory of potential flow is studied,the hydrodynamic model of ship is analyzed emphatically,and the response curve of ship rolling in transverse waves is given.The simulation analysis of ship tank slosh motion is carried out,and the curve of wave surface rise and pressure under ship roll is analyzed.The ship model is constructed according to a certain size ratio,and the ship roll attenuation curve is given.At the same time,the ship model is loaded with the load excitation under two working conditions of transverse wave and wave,and the coupled motion of ship motion and tank sway is solved and analyzed in time domain.

关 键 词：势流理论 船舶 晃荡运动 

分 类 号：U664.22[交通运输工程—船舶及航道工程]