Mode coupling in nonlinear Kelvin-Helmholtz instability

被引：0

作者：

王立锋 ^{[1
]}

叶文华 ^{[2
,3
]}

李英骏 ^{[1
]}

孟立民 ^{[1
]}

机构：

[1] China University of Mining and Technology

[2] Institute of Applied Physics and Computational Mathematics

[3] Department of Physics, Zhejiang University

来源：

Chinese Physics B | 2008年 / 17卷 / 10期

基金：

高等学校博士学科点专项科研基金;

关键词：

Kelvin–Helmholtz instability; mode coupling; numerical simulation;

D O I：

暂无

中图分类号：

O35 [流体力学];

学科分类号：

080103 ; 080704 ;

摘要：

This paper investigates the interaction of a small number of modes in the two-fluid Kelvin-Helmholtz instability at the nonlinear regime by using a two-dimensional hydrodynamic code. This interaction is found to be relatively long range in wave-number space and also it acts in both directions, i.e. short wavelengths affect long wavelengths and vice versa. There is no simple equivalent transformation from a band of similar modes to one mode representing their effective amplitude. Three distinct stages of interaction have been identified.

引用

页码：3792 / 3798

页数：7

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