The effects of bedform roughness on hydrodynamics and sediment transport in Delft3D

L.B. Brakenhoff, R.A. Schrijvershof, B.T. Grasmeijer, J.J. van der Werf, B.G. Ruessink, M. van der Vegt

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Abstract

To contribute to solving scientific and practical questions, numerical morphodynamic models like Delft3D are often used to predict the hydrodynamics, sediment transport processes and morphological development of coastal systems. In such models, many of the processes are parameterized based on a variety of assumptions. One of the parameterized variables is the bedform-related hydraulic roughness ks, which is often assumed to be related to the ripple height. This roughness affects the magnitude and vertical structure of the flow and, consequently, the magnitude of the sediment transport. Yet, their sensitivity to ks is not well understood.
Original languageEnglish
Pages67-67
Publication statusPublished - 2020
EventNCK Days 2020 - NIOZ, Texel, Netherlands
Duration: 18 Mar 202020 Mar 2020
http://www.nck-web.org/boa-2020

Conference

ConferenceNCK Days 2020
Country/TerritoryNetherlands
CityTexel
Period18/03/2020/03/20
OtherCanceled
Internet address

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