National Taiwan Ocean University Institutional Repository:Item 987654321/41359
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题名: Flow evolution of an internal solitary wave generated by gravity collapse
作者: Chih-Min Hsieh;Robert R. Hwang;John R.-C. Hsu;Ming-Hung Cheng
贡献者: 國立臺灣海洋大學:系統工程暨造船學系
关键词: Internal solitary wave (ISW);Flow evolution;Numerical simulation;Finite volume method;Step depth;Vorticity
日期: 2014-10
上传时间: 2017-02-14T08:30:24Z
出版者: Applied Ocean Research
摘要: Abstract:Numerical simulations are performed to investigate the flow evolution of a depression ISW generated by gravity collapse in a fluid system with a density pycnocline. A finite volume based Cartesian grid method is adopted to directly resolve the Navier–Stokes equations and the general mass continuity equation. Results of the numerical computation are validated by comparing with that of laboratory experiment. Numerical results reveal the initial vortex remains identical for the same step depth but the decrease in its strength is significant as the depth of upper layer increases. However, step depth influences the vertical structure of the initial vortex more than the upper/lower layer depth ratio does on wave generation.
關聯: 48,pp.277-291
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/41359
显示于类别:[系統工程暨造船學系] 期刊論文

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