基金Supported by the National Natural Science Foundation of China(No.50879090 and No.51509256)the Key Program of Hydrodynamics of China(No.9140A1403071251311044)+1 种基金the Aeronautical Science Foundation of China(Grant No.20152316005)the Innovation Research Foundation for Ph.D.Candidates of Naval University of Engineering(Grant No.4142C15F)~~
文摘本文基于三维移动脉动源格林函数(Three Dimensional Translating-Pulsating source Green function,3DTP)求解的水动力系数,通过频时域转换法求解时延函数,建立了船舶耐波性时域计算方法,比较了在平动坐标系和随动坐标系下求解船体运动方程对运动计算结果的影响,并与频域计算结果和试验结果进行了对比。结果表明,采用频时域转换法求解时延函数快速高效。在耐波性平动坐标系下求解船体运动方程得到的运动结果与频域结果相比存在偏差,在重心随动坐标系下求解船体运动方程得到的运动结果与频域结果和试验结果吻合良好。
基金Supported by the National Science Foundation of China(11102048,11302057)Specialized Research Fund for the Doctoral Program of Higher Education(20132304120028,20132304120027)the Research Funds for State Key Laboratory of Ocean Engineering in Shanghai Jiao Tong University(Grant No.1310)