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Direct and large-eddy simulations of internal tide generation at a near-critical slope

Gayen, Bishakhdatta; Sarkar, S


A numerical study is performed to investigate nonlinear processes during internal wave generation by the oscillation of a background barotropic tide over a sloping bottom. The focus is on the near-critical case where the slope angle is equal to the natural internal wave propagation angle and, consequently, there is a resonant wave response that leads to an intense boundary flow. The resonant wave undergoes both convective and shear instabilities that lead to turbulence with a broad range of...[Show more]

CollectionsANU Research Publications
Date published: 2011
Type: Journal article
Source: Journal of Fluid Mechanics
DOI: 10.1017/jfm.2011.170


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