浮式结构物在波浪中的运动响应计算

Calculation of Motion Response for Floating Structures in Waves

根据线性波理论和三维源汇分布方法，提供了大尺度浮式结构物在波浪中运动的水动力系数、波浪载荷以及运动响应的计算方法。应用Ｎｅｗｍａｎ的深水Ｇｒｅｅｎ函数及其数值方法，对于半球、矩形箱式结构物和半潜式平台的考核计算表明，同模型试验结果符合程度是令人满意的。

For three dimensional structures with large scale the computation of hydrodynamic coefficients, first order wave loads and motion responses in six degrees freedom in a regular wave system are developed in which the linear wave diffraction theory and the three-dimansional source distribution method are applied. Some modified numerical schemes such as the treatment of geometrical parameters and the simplification of Green function are proposed in order to save a certain amount of the computer and CPU time.The validity and the accuracy of this computation have been verified not only by ITTC's comparative semisubmersible but also by hemisphere and rectangular box and all of computed results are in good agreement both with the published data and the experimental measurements.