Print Email Facebook Twitter Reduced complexity modeling of shoreline response behind offshore breakwaters Title Reduced complexity modeling of shoreline response behind offshore breakwaters Author Elghandour, A.M.M.A. (TU Delft Coastal Engineering; IHE Delft Institute for Water Education; Port Said University; CIMA; Universidade do Algarve) Roelvink, D. (TU Delft Coastal Engineering; IHE Delft Institute for Water Education; Deltares) Huisman, B.J.A. (TU Delft Coastal Engineering; Deltares) Reyns, J.A.H. (TU Delft Coastal Engineering; IHE Delft Institute for Water Education; Deltares) Costas, Susana (Universidade do Algarve) Nienhuis, Jaap (Universiteit Utrecht) Date 2020 Abstract Prediction of the shoreline response behind offshore breakwaters is essential for coastal protection projects. Due to the complexity of the processes behind the breakwaters (e.g., wave diffraction, currents, longshore transport), detailed modelling needs high computational efforts. Therefore, simplifying the process effect in a simpler coastline model could be efficient. In this study, the coastline evolution model ShorelineS is used. A new routine was implemented in the model to adjust the wave heights and angles behind the offshore breakwaters. Two approaches from the literature and a newly introduced one were tested in this study. The model free grid system was used to simply track the breaker line; such an advantage also helped to form tombolo, which is not common for these types of models. The tests showed promising results for single and multi breakwaters systems; however, the newly introduced approach still needs further testing and refinement for better performance and less computational cost. Subject Coastline modellingShorelineSWave diffraction To reference this document use: http://resolver.tudelft.nl/uuid:d434f695-7ba8-4986-9ab0-e09fdea4d885 DOI https://doi.org/10.9753/icce.v36v.papers.34 ISSN 0161-3782 Source Proceedings of the Coastal Engineering Conference, 36 (2020) Event 2020 Virtual International Conference on Coastal Engineering, vICCE 2020, 2020-10-06 → 2020-10-09, Virtual, Online, Australia Part of collection Institutional Repository Document type journal article Rights © 2020 A.M.M.A. Elghandour, D. Roelvink, B.J.A. Huisman, J.A.H. Reyns, Susana Costas, Jaap Nienhuis Files PDF 10360_Article_Text_36613_ ... 201230.pdf 706.16 KB Close viewer /islandora/object/uuid:d434f695-7ba8-4986-9ab0-e09fdea4d885/datastream/OBJ/view