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Open AccessArticle

Validation of RANS Modelling for Wave Interactions with Sea Dikes on Shallow Foreshores Using a Large-Scale Experimental Dataset

1
Department of Civil Engineering, Ghent University, 9000 Ghent, Belgium
2
Maritime Engineering Laboratory, Department of Civil and Environmental Engineering, Universitat Politecnica de Catalunya—BarcelonaTech (UPC), 08034 Barcelona, Spain
3
Flanders Hydraulics Research, 2140 Antwerp, Belgium
4
Faculty of Civil Engineering and Geosciences, Delft University of Technology, 2628 CN Delft, The Netherlands
5
Department of Civil and Environmental Engineering, University of Florence, 50139 Florence, Italy
*
Author to whom correspondence should be addressed.
J. Mar. Sci. Eng. 2020, 8(9), 650; https://doi.org/10.3390/jmse8090650
Received: 17 July 2020 / Revised: 17 August 2020 / Accepted: 18 August 2020 / Published: 24 August 2020
(This article belongs to the Special Issue Wave Interactions with Coastal Structures)
In this paper, a Reynolds-averaged Navier–Stokes (RANS) equations solver, interFoam of OpenFOAM®, is validated for wave interactions with a dike, including a promenade and vertical wall, on a shallow foreshore. Such a coastal defence system is comprised of both an impermeable dike and a beach in front of it, forming the shallow foreshore depth at the dike toe. This case necessitates the simulation of several processes simultaneously: wave propagation, wave breaking over the beach slope, and wave interactions with the sea dike, consisting of wave overtopping, bore interactions on the promenade, and bore impacts on the dike-mounted vertical wall at the end of the promenade (storm wall or building). The validation is done using rare large-scale experimental data. Model performance and pattern statistics are employed to quantify the ability of the numerical model to reproduce the experimental data. In the evaluation method, a repeated test is used to estimate the experimental uncertainty. The solver interFoam is shown to generally have a very good model performance rating. A detailed analysis of the complex processes preceding the impacts on the vertical wall proves that a correct reproduction of the horizontal impact force and pressures is highly dependent on the accuracy of reproducing the bore interactions. View Full-Text
Keywords: validation; wave modelling; shallow foreshore; dike-mounted vertical wall; wave impact loads; OpenFOAM validation; wave modelling; shallow foreshore; dike-mounted vertical wall; wave impact loads; OpenFOAM
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MDPI and ACS Style

Gruwez, V.; Altomare, C.; Suzuki, T.; Streicher, M.; Cappietti, L.; Kortenhaus, A.; Troch, P. Validation of RANS Modelling for Wave Interactions with Sea Dikes on Shallow Foreshores Using a Large-Scale Experimental Dataset. J. Mar. Sci. Eng. 2020, 8, 650.

AMA Style

Gruwez V, Altomare C, Suzuki T, Streicher M, Cappietti L, Kortenhaus A, Troch P. Validation of RANS Modelling for Wave Interactions with Sea Dikes on Shallow Foreshores Using a Large-Scale Experimental Dataset. Journal of Marine Science and Engineering. 2020; 8(9):650.

Chicago/Turabian Style

Gruwez, Vincent; Altomare, Corrado; Suzuki, Tomohiro; Streicher, Maximilian; Cappietti, Lorenzo; Kortenhaus, Andreas; Troch, Peter. 2020. "Validation of RANS Modelling for Wave Interactions with Sea Dikes on Shallow Foreshores Using a Large-Scale Experimental Dataset" J. Mar. Sci. Eng. 8, no. 9: 650.

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