Bulletin of the American Physical Society
75th Annual Meeting of the Division of Fluid Dynamics
Sunday–Tuesday, November 20–22, 2022; Indiana Convention Center, Indianapolis, Indiana.
Session L27: Waves: Internal and Interfacial Waves
8:00 AM–9:57 AM,
Monday, November 21, 2022
Chair: Kianoosh Yousefi, Columbia; Peter Diamessis, Cornell University
Abstract: L27.00005 : Aspects of the spectral-element-based simulation of a model internal swash zone*
8:52 AM–9:05 AM
Peter J Diamessis
(University of Waterloo)
The setup and computational investigations are motivated by an on-going field project which focuses on the internal swash zone in energized by the internal seiche in seasonally stratified Cayuga lake in NY state (Schweitzer 2015). The lake internal swash zones are an efficient proxy for equivalent physical processes driven by the lower-mode internal tide on the oceanic continental slope.
We will first present an overview of deep-water and on-slope boundary condition design, implementation and validation. We will then present the study of the interaction of the incident created wave with the sloping boundary for different values of wavelengths, Froude numbers and slope values. We will also discuss the implications of our findings for future three-dimensional simulations of internal-wave-induced transition and turbulence on the deformed sloping boundary.
* NSF Grant: NSF-OCE 1948251
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