Nonlinear Generation of Vorticity by Surface Waves

被引：42

作者：

Filatov, S. V. ^{[1
]}

Parfenyev, V. M. ^{[2
,3
]}

Vergeles, S. S. ^{[2
,3
]}

Brazhnikov, M. Yu. ^{[1
]}

Levchenko, A. A. ^{[1
]}

Lebedev, V. V. ^{[2
,3
]}

机构：

[1] Inst Solid State Phys, 2 Academician Ossipyan Str, Chernogolovka 142432, Moscow Region, Russia

[2] LD Landau Theoret Phys Inst, 1-A Akademika Semenova Ave, Chernogolovka 142432, Moscow Region, Russia

[3] Moscow Inst Phys & Technol, 9 Inst Skiy Per, Dolgoprudnyi 141700, Moscow Region, Russia

来源：

PHYSICAL REVIEW LETTERS | 2016年 / 116卷 / 05期

基金：

俄罗斯科学基金会;

关键词：

Vorticity;

D O I：

10.1103/PhysRevLett.116.054501

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We demonstrate that waves excited on a fluid surface produce local surface rotation owing to hydrodynamic nonlinearity. We examine theoretically the effect and obtain an explicit formula for the vertical vorticity in terms of the surface elevation. Our theoretical predictions are confirmed by measurements of surface motion in a cell with water where surface waves are excited by vertical and harmonic shaking the cell. The experimental data are in good agreement with the theoretical predictions. We discuss physical consequences of the effect.

引用

页数：5

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