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
收藏
页码：324 / 339
页数：16
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