Weakly interacting internal solitary waves in neighbouring pycnoclines

Weak coupling between nonlinear internal solitary waves on neighbouring pycnoclines allows resonant energy exchange. The lagging wave increases its energy and speed at the expense of the front-running wave, so that the waves leapfrog about an average position. Analytical estimates for this process a...

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Bibliographic Details
Published in:Journal of fluid mechanics 1982-09, Vol.122 (1), p.187-194
Main Authors: Liu, A. K., Pereira, N. R., Ko, D. R. S.
Format: Article
Language:English
Subjects:
coupling
energy
fluid mechanics
velocity
wave propagation
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Summary:Weak coupling between nonlinear internal solitary waves on neighbouring pycnoclines allows resonant energy exchange. The lagging wave increases its energy and speed at the expense of the front-running wave, so that the waves leapfrog about an average position. Analytical estimates for this process agree with the wave-tank experiments described in the companion paper by Weidman & Johnson (1982).
ISSN:0022-1120
1469-7645
DOI:10.1017/S002211208200216X