A numerical study on design of coastal groins

Eslami Arab, S.; van Rijn, LC; Walstra, Dirk Jan; Luijendijk, A.P.; Stive, MJF

A numerical study on design of coastal groins

Conference paper (2010)

Authors

S. Eslami Arab

LC van Rijn Deltares

Dirk Jan Walstra Coastal Engineering, Deltares

A.P. Luijendijk Coastal Engineering, Deltares

MJF Stive Coastal Engineering

Research Group

Coastal Engineering

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Published Date

2010

Language

English

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Research Group

Coastal Engineering

Abstract

Numerical models become attractive means of study, when considering the limited knowledge and guidance on functional design of coastal groins. In the present article, a process-based 3D numerical model (Delft3D) is verified against two different datasets. For application on design of straight open (normal) groins, Badiei et. al. 1994 laboratory measurements, and in case of T-Head groins Ozolcer et. al. 2004 field measurements are considered. In case of normal groins, the model showed good agreement with the observations, hence, a design exercise and method has been developed. In case of T-Head groins, the model showed sensitivity to the numerical representation of the structure, while still satisfactory resemblance was perceived. Comparing to the present design rules, application of a numerical study is of crucial importance.