Internal wave breaking in stratified flows past obstacles


Yakovenko, Sergey N., Thomas, T. Glyn and Castro, Ian P. (2010) Internal wave breaking in stratified flows past obstacles. In, Armenio, Vincenzo, Geurts, Bernard and Frolich, Jochen (eds.) Direct and Large-Eddy Simulation VII. Seventh International ERCOFTAC Workshop on Direct and Large-Eddy Simulation Heidelberg, DE, Springer, 449-455. (ERCOFTAC, 13 6). (doi:10.1007/978-90-481-3652-0_65).

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Description/Abstract

Turbulent patches occurring in environmental flows can arise from breaking internal waves generated topographically. The convective overturning of waves leads to shear instability and then to turbulence which develops into the fully mixed region in the place of initial wave breaking. The objective of the present studies is to explore the steady internal wave breaking observed in stably stratified flows past obstacles [1]. We use a numerical approach based on well-resolved Navier–Stokes DNS/LES methods using parallel multi-block architecture [2] with the Boussinesq approximation and sponge layer treatment to avoid wave reflection from upstream/downstream boundaries

Item Type: Book Section
ISBNs: 9789048136520
Subjects: Q Science > QC Physics
Divisions: Faculty of Engineering and the Environment > Aeronautics, Astronautics and Computational Engineering
Faculty of Engineering and the Environment > Aeronautics, Astronautics and Computational Engineering > Aerodynamics Flight Mechanical Research Group
ePrint ID: 300654
Date Deposited: 29 Feb 2012 09:01
Last Modified: 27 Mar 2014 20:19
Publisher: Springer
URI: http://eprints.soton.ac.uk/id/eprint/300654

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