RESONANT INTERACTION OF ELASTIC THIN BAR VIBRATIONS WITH A SHEAR SHALLOW-WATER FLOW

被引：2

作者：

Gestrin, S. G. ^{[1
]}

Sal'nikov, A. N. ^{[1
]}

Sergeeva, E. K. ^{[1
]}

机构：

[1] Saratov State Tech Univ, Saratov, Russia

来源：

RUSSIAN PHYSICS JOURNAL | 2010年 / 53卷 / 01期

关键词：

wind instability; Kelvin-Helmholtz instability; increment; dispersion equation; INSTABILITY;

D O I：

10.1007/s11182-010-9383-4

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

It is demonstrated that resonant interaction of a thin bar with a shear shallow-water flow results in the development of wind instability. The dispersion equation and the instability increment are derived. The wavelength range in which the instability exists is narrowed down when the sound velocity decreases. The frequency and increment of bending waves are estimated numerically for various flow parameters.

引用

页码：29 / 35

页数：7

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