新型航标装置浮体水动力特性数值模拟研究  

Numerical Simulation Research on Hydrodynamic Characteristics of New-style Buoys

作　　者：余葵[1,2] 戴一锋 孟繁超 毛德涵 刘阳[1,2] 梁家华 Yu Kui;Dai Yifeng;Meng Fanchao;Mao Dehan;Liu Yang;Liang Jiahua(National Inland Waterway Improvement Engineering Research Center,Chongqing Jiaotong University,Chongqing 400074,China;Chongqing Bridge Navigation Safety and Collision Engineering Technology Research Center,Chongqing Jiaotong University,Chongqing 400074,China)

机构地区：[1]重庆交通大学国家内河航道整治工程技术研究中心,重庆400074 [2]重庆交通大学重庆市桥梁通航安全与防撞工程技术研究中心,重庆400074

出　　处：《港工技术》2021年第5期1-4,共4页Port Engineering Technology

基　　金：重庆英才计划创新创业示范团队(CQYC20193204)。

摘　　要：针对新型航标装置研究了浮体在规则波作用下的随波性能及浮体形状对浮体结构运动的影响,结合流体力学、模型试验及数值模拟等理论知识,通过AQWA软件对新型航标装置浮体结构的水动力特性进行数值模拟,分析了在规则波作用下四种形状浮体结构的运动响应幅值算子、附加质量和辐射阻尼及一阶波浪激振力随入射波频率的变化规律,验证了新型航标装置圆柱形浮体运行可靠性。This article studies the wave-following performance of the floating body under regular waves and the influence of the shape of the floating body on the movement of the floating body structure for the new navigation mark device.Combined with the theoretical knowledge of fluid mechanics,model tests and numerical simulations,the new navigation mark device floating body structure is analyzed through the AQWA software.Numerical simulation of the hydrodynamic characteristics of the four shapes of floating structures under the action of regular waves,analysis of the motion response amplitude operator,additional mass and radiation damping,and the first-order wave excitation force with the frequency of the incident wave,verified The operation reliability of the cylindrical floating body of the new navigation mark device.

关 键 词：浮体结构 响应幅值算子 附加质量 辐射阻尼 浪向角 波浪力 

分 类 号：TV131.2[水利工程—水力学及河流动力学]