Nonlinear analysis of shock-vortex interaction: Mach stem formation

被引：14

作者：

Clavin, Paul ^{[1
]}

机构：

[1] Aix Marseille Univ, CNRS, IRPHE, F-13013 Marseille, France

来源：

JOURNAL OF FLUID MECHANICS | 2013年 / 721卷

关键词：

nonlinear dynamical systems; shock waves; wave-turbulence interactions; STABILITY; DYNAMICS; PATTERNS; WAVE;

D O I：

10.1017/jfm.2013.69

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

Shock-vortex interaction is analysed for strong gaseous shock waves and a ratio of specific heats close to unity. A nonlinear wave equation for the wrinkles of the shock front is obtained for weak vortices. The solution breaks down after a finite time and the slope of the front develops jump discontinuities, indicating the formation of Mach stems. Shock-turbulence interactions are also briefly discussed.

引用

页码：324 / 339

页数：16

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