吴锋   

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Paper Publications

内机械激波——海洋激流的一种解释

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Indexed by:Journal Papers

Date of Publication:2019-07-18

Journal:应用数学和力学

Included Journals:PKU

Volume:40

Issue:8

Page Number:823-839

ISSN:1000-0887

Key Words:内机械激波;海洋激流;海洋断崖;Lagrange坐标;Hamilton原理

Abstract:采用Lagrange坐标和Hamilton原理,推导了二维两层浅水系统的位移法内波方程,并在此基础上研究了二维内机械激波.通过具体的数值算例分析发现内机械激波具有流速大、持续时间短、空间范围狭小、水面存在突变的特点,指出海洋激流就是内机械激波.内机械激波同样也为海洋断崖提供了一种解释.

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