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该文提供分层海洋中运动物体生成内波的理论、数值和实验研究的背景资料的综述 ,并给出理论研究的 Green函数、正交模态模式和极点回避等方法的评述。数值研究给出数值求解Wronsky行列式的源求解方法及介绍直接差分计算含源内波方程和积分方程的方法。有关源致内波的实验研究 ,作者介绍物体在分层流水槽运动时生成内波的两个典型实验及其主要实验结果。最后评述船舶在海洋表面处生成表面波的研究方法 ,以此指导水下 Rankine卵形体生成内波的实验研究。
This paper provides a review on the theoretical, numerical and experimental background of the generation of internal waves in moving objects in stratified ocean and gives a review on the methods of Green function, orthogonal mode and pole avoidance theoretically. The numerical study gives the numerical solution of the Wronsky determinant by numerical solution and introduces the method of direct difference calculation of the source wave equation and the integral equation. For the experimental study on the source-induced internal waves, the author introduces two typical experiments and the main experimental results of generating internal waves when the object moves in a stratified flow channel. Finally, the research methods of generating surface waves at the surface of the ocean by ships are reviewed to guide the experimental study on the generation of internal waves in Rankine ova.