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A numerical study of wave-current interaction in the bottom boundary layer

Zhang, X; Simons, R; Buldakov, E; (2016) A numerical study of wave-current interaction in the bottom boundary layer. In: Lynett, PJ, (ed.) Proceedings of the 35th International Conference: Coastal Engineering 2016. Coastal Engineering Proceedings: Antalya, Turkey. Green open access

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Abstract

In the present work, a numerical wave-current flume has been developed, based on a standard k-εmodel. The numerical flume was 12.86m in length, with a numerical beach at one end of the flume. The Volume of Fluid (VOF) method was used to capture the free surface in the flume. The velocity profile obtained at the test section from the numerical simulation has then been compared with experimental data and good agreement found. Periodic velocities in the bottom boundary layer have been obtained which agree well with the experimental data. The model provides an insight to the changes in bed shear stress time histories that characterise wave current interaction.

Type: Proceedings paper
Title: A numerical study of wave-current interaction in the bottom boundary layer
Event: 35th International Conference on Coastal Engineering
Location: Antalya, Turkey
Dates: 17 November 2016 - 20 November 2016
ISBN-13: 9780989661133
Open access status: An open access version is available from UCL Discovery
DOI: 10.9753/icce.v35.waves.17
Publisher version: http://dx.doi.org/10.9753/icce.v35.waves.17
Language: English
Additional information: Copyright © The Authors 2016. This is an Open Access paper published under a Creative Commons Attribution Licence.
Keywords: Wave-current interaction, bottom boundary layer, numerical simulations, CFD
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Civil, Environ and Geomatic Eng
URI: https://discovery.ucl.ac.uk/id/eprint/1557335
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