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Bottom friction effects on linear wave propagation


Simarro, G and Orfila, A and Galan, A and Zarruk Serrano, GA, Bottom friction effects on linear wave propagation, Wave Motion: An International Journal Reporting Research on Wave Phenomena, 46, (8) pp. 489-497. ISSN 0165-2125 (2009) [Refereed Article]

DOI: doi:10.1016/j.wavemoti.2009.06.009


Bottom boundary layer effects on the linear wave propagation over mild slope bottoms are analyzed. A modified WKB approximation is presented including boundary layer effects. Within the boundary layer, two cases are considered: laminar (constant viscosity) and turbulent. Boundary layer effects are introduced by coupling the velocity inside the boundary layer to the irrotational velocity in the core region through the bottom boundary condition. This formulation properly accounts for the phase between near bed velocity and bed shear stress. The resulting differential equation for the energy conservation introduces a new term accounting for the energy losses due to the boundary layer effects. © 2009 Elsevier B.V. All rights reserved.

Item Details

Item Type:Refereed Article
Research Division:Engineering
Research Group:Maritime engineering
Research Field:Ocean engineering
Objective Division:Expanding Knowledge
Objective Group:Expanding knowledge
Objective Field:Expanding knowledge in engineering
UTAS Author:Zarruk Serrano, GA (Dr Gustavo Zarruk Serrano)
ID Code:83839
Year Published:2009
Deposited By:NC Maritime Engineering and Hydrodynamics
Deposited On:2013-03-25
Last Modified:2015-01-07

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