基于雷达测波现实方向谱的船舶三自由度摇荡研究  

3-Dimensional ship motion simulation based on the real-time directional spectrum of X-band wave measurement radar

作　　者：王作超[1] 石爱国[1] 杨新栋[1] 吴明[1] 刘猛[1] 

机构地区：[1]海军大连舰艇学院,辽宁大连116018

出　　处：《舰船科学技术》2014年第9期37-40,45,共5页Ship Science and Technology

基　　金：总装备部十二五预研项目

摘　　要：X波段测波雷达是一种船载海浪场测量仪器。基于其提供的方向谱数据,利用CFD技术,构建三维数值波浪水池,模拟了船舶垂荡、横摇、纵摇三自由度运动。数值模拟过程中,采用网格整体移动法,避免了大幅运动下解的发散。利用姿态测量仪器对目标船海上实际运动情况进行记录。数值模拟结果同海上实测数据进行谱分析比较,二者吻合良好。Wave measurement system based on X-band marine radar is a new type of shipborne wave monitoring tool. Based on the relative directional spectrum data sets provided by the wave measurement system（ WaMoSⅡⅡ）,with the appliance of CFD,the 3-dimensional numerical wave tank is established in which the ship motions of heave,roll and pitch are simulated. During the simulation process,the method of grid-following-motion is applied which benefits the simulation results of large amplitude. The motion measurement system is installed on board to record the real ship motion. The numerical simulation results show good agreement with the real sea motion records,on the aspect of spectrum derived from time history.

关 键 词：测波雷达 方向谱 数值模拟 姿态测量 

分 类 号：TN957.51[电子电信—信号与信息处理]