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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 pp. 449-455. (ERCOFTAC, 6, 13). (doi:10.1007/978-90-481-3652-0_65).

Record type: Book Section

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

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Published date: 2010
Venue - Dates: Seventh International ERCOFTAC Workshop on Direct and Large-Eddy Simulation, Italy, 2008-09-08 - 2008-09-10
Organisations: Aeronautics, Astronautics & Comp. Eng, Aerodynamics & Flight Mechanics Group

Identifiers

Local EPrints ID: 300654
URI: http://eprints.soton.ac.uk/id/eprint/300654
ISBN: 9789048136520
PURE UUID: 638e9cb1-db99-44c1-8f6f-d00cb3e2bb57

Catalogue record

Date deposited: 29 Feb 2012 09:01
Last modified: 18 Jul 2017 06:14

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Contributors

Author: Sergey N. Yakovenko
Author: T. Glyn Thomas
Author: Ian P. Castro
Editor: Vincenzo Armenio
Editor: Bernard Geurts
Editor: Jochen Frolich

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