Sediment transport under breaking waves

Erik Damgaard Christensen, Jacob Hjelmager Jensen, Stefan Mayer

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

The sediment transport in the surf zone is modelled by combining a Navier-Stokes solver, a free surface model, a turbulence model, and a sediment transport model. The flow solver is based on the finite volume technique for non-orthogonal grids. The model is capable of simulating the turbulence generated at the surface where the wave breaks as well as the turbulence generated near the bed due to the wave-motion and the undertow. In general, the levels of turbulent kinetic energy are found to be higher than experiments show. This results in an over prediction of the sediment transport. Nevertheless, some qualitative features have been modelled with success such as the onshore transport under plunging breakers and offshore transport under spilling breakers.
Original languageEnglish
Title of host publicationCOASTAL ENGINEERING 2000 : Proceedings of the 27th International Conference on Coastal Engineering
Volume3
PublisherAmerican Society of Civil Engineers
Publication date2000
Pages2467-2480
DOIs
Publication statusPublished - 2000
Event27th International Conference on Coastal Engineering - Sydney, Australia, Australia
Duration: 16 Jul 200021 Jul 2000
Conference number: 27
http://www.mhl.nsw.gov.au/www/icce2000.html

Conference

Conference27th International Conference on Coastal Engineering
Number27
CountryAustralia
CitySydney, Australia
Period16/07/200021/07/2000
Internet address

Cite this

Christensen, E. D., Hjelmager Jensen, J., & Mayer, S. (2000). Sediment transport under breaking waves. In COASTAL ENGINEERING 2000: Proceedings of the 27th International Conference on Coastal Engineering (Vol. 3, pp. 2467-2480). American Society of Civil Engineers. https://doi.org/10.1061/40549(276)193
Christensen, Erik Damgaard ; Hjelmager Jensen, Jacob ; Mayer, Stefan. / Sediment transport under breaking waves. COASTAL ENGINEERING 2000: Proceedings of the 27th International Conference on Coastal Engineering. Vol. 3 American Society of Civil Engineers, 2000. pp. 2467-2480
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Christensen, ED, Hjelmager Jensen, J & Mayer, S 2000, Sediment transport under breaking waves. in COASTAL ENGINEERING 2000: Proceedings of the 27th International Conference on Coastal Engineering. vol. 3, American Society of Civil Engineers, pp. 2467-2480, 27th International Conference on Coastal Engineering, Sydney, Australia, Australia, 16/07/2000. https://doi.org/10.1061/40549(276)193

Sediment transport under breaking waves. / Christensen, Erik Damgaard; Hjelmager Jensen, Jacob; Mayer, Stefan.

COASTAL ENGINEERING 2000: Proceedings of the 27th International Conference on Coastal Engineering. Vol. 3 American Society of Civil Engineers, 2000. p. 2467-2480.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

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AB - The sediment transport in the surf zone is modelled by combining a Navier-Stokes solver, a free surface model, a turbulence model, and a sediment transport model. The flow solver is based on the finite volume technique for non-orthogonal grids. The model is capable of simulating the turbulence generated at the surface where the wave breaks as well as the turbulence generated near the bed due to the wave-motion and the undertow. In general, the levels of turbulent kinetic energy are found to be higher than experiments show. This results in an over prediction of the sediment transport. Nevertheless, some qualitative features have been modelled with success such as the onshore transport under plunging breakers and offshore transport under spilling breakers.

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Christensen ED, Hjelmager Jensen J, Mayer S. Sediment transport under breaking waves. In COASTAL ENGINEERING 2000: Proceedings of the 27th International Conference on Coastal Engineering. Vol. 3. American Society of Civil Engineers. 2000. p. 2467-2480 https://doi.org/10.1061/40549(276)193