ENERGY AND MOMENTUM INTEGRALS FOR PROGRESSIVE CAPILLARY-GRAVITY WAVES

被引：15

作者：

CRAPPER, GD

机构：

[1] Department of Applied Mathematics and Theoretical Physics, The University of Liverpool, Liverpool L69 3BX

来源：

JOURNAL OF FLUID MECHANICS | 1979年 / 94卷 / SEP期

关键词：

D O I：

10.1017/S0022112079000914

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

Definitions of energy density, energy flux and momentum flux for capillary-gravity waves are derived by integration of the equations of motion and also by Whitham's averaged Lagrangian method. We then confirm recent results due to Hogan (1979) both in the general case and in the case of pure capillary waves. Comparison with the Lagrangian results also allows us to give general definitions of “wave action density” and “wave action flux”. © 1979, Cambridge University Press

引用

页码：13 / 24

页数：12

共 14 条

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