Resonant and nonresonant wavewave interactions for internal gravity waves
Abstract
An investigation has been conducted of the means by which energy is transferred among internal gravity waves. In weakly interacting flows, this is characterized by resonant interactions in which the interaction time scale is much greater than the component wave periods. The twodimensional internal gravity wave equations of motion are given and solved by two different methods, the first of which involves a truncated Fourier series in which three or four resonantly interacting waves are treated, while in the second a finite difference integration of the equations of motion allows the resolution of many waves and a subgrid scale parameterization scheme is used for the modeling of dissipation due to wave overturning.
 Publication:

IN: Computational methods and experimental measurements; Proceedings of the International Conference
 Pub Date:
 1982
 Bibcode:
 1982cmem.proc..228C
 Keywords:

 Adiabatic Conditions;
 Energy Transfer;
 Gravity Waves;
 Internal Waves;
 Wave Interaction;
 Approximation;
 Computerized Simulation;
 Degrees Of Freedom;
 Equations Of Motion;
 Finite Difference Theory;
 Fourier Series;
 Rayleigh Number;
 Fluid Mechanics and Heat Transfer