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Internal wave breaking in stratified flows past obstacles

Internal wave breaking in stratified flows past obstacles
Internal wave breaking in stratified flows past obstacles
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
9789048136520
6
449-455
Springer
Yakovenko, Sergey N.
d6dc539a-e072-4043-bf42-412c6259e280
Thomas, T. Glyn
bccfa8da-6c8b-4eec-b593-00587d3ce3cc
Castro, Ian P.
66e6330d-d93a-439a-a69b-e061e660de61
Armenio, Vincenzo
Geurts, Bernard
Frolich, Jochen
Yakovenko, Sergey N.
d6dc539a-e072-4043-bf42-412c6259e280
Thomas, T. Glyn
bccfa8da-6c8b-4eec-b593-00587d3ce3cc
Castro, Ian P.
66e6330d-d93a-439a-a69b-e061e660de61
Armenio, Vincenzo
Geurts, Bernard
Frolich, Jochen

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. (ERCOFTAC, , (doi:10.1007/978-90-481-3652-0_65), 6, 13) Seventh International ERCOFTAC Workshop on Direct and Large-Eddy Simulation (10/09/08) Heidelberg, DE. Springer, pp. 449-455. (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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More information

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: https://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: 16 Jul 2019 22:10

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