三维海洋内孤立波数值水槽造波研究  

Numerical simulations of three-dimensional internal solitary waves within a numerical flume

作　　者：关晖[1] 苏晓冰[1] 田俊杰[1] 

机构地区：[1]解放军理工大学理学院数理系,南京211101

出　　处：《计算力学学报》2011年第B04期60-64,89,共6页Chinese Journal of Computational Mechanics

基　　金：武器装备预先研究项目(407010703);国家自然科学基金(11072267)资助项目

摘　　要：海洋内孤立波因其分布广泛和携带巨大能量,对于潜艇安全航行影响很大。本文采用有限体积自适应半结构多重网格法求解Navier-Stokes方程,并用VOF方法追踪两层流体界面,应用双推板造波法进行内孤立波数值造波,建立了两层流体中的内孤立波数值水槽。数值模拟结果证实了该数值水槽数值造波的有效性和可靠性,为后续研究打下了基础。Since internal solitary waves carry large amount of energy and widely exist in oceans all over the world, they have significant influence on the safty of submarines.Using the finite volume algorithm with adaptive semi-structure grids, multi-grid method and the volume of fluid （VOF） method to solve the Navier-Stokes equations, a numerical internal solitary wave flume, based on the idea of pushing two plates in opposite directions in the tank, with the metability of wave generation is developed, and the validity for such a method is numerically confirmed, and the results are compared well with the analytical solution of KdV equation.This study laid a solid foundation for the future study of the interactions between internal solitary waves and submarines.

关 键 词：内孤立波 潜艇 数值水槽 有限体积自适应半结构多重网格法 

分 类 号：O353[理学—流体力学]