Vindication of mode-coupled descriptions of multiple-scale water wave fields
- 1 November 1988
- journal article
- research article
- Published by Cambridge University Press (CUP) in Journal of Fluid Mechanics
- Vol. 196, 585-592
- https://doi.org/10.1017/s0022112088002824
Abstract
Herein we show that the modal description of deep-water waves on the sea surface Watson & West 1975) is independent of any reference surface around which expansions of the velocity potential and the surface velocity are done. We demonstrate by direct construction that the interaction between long and short waves does not lead to divergent terms in the equations of motion when this formalism is used.Keywords
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