Modeling Wave Overtopping on a Seawall with XBeach, IH2VOF, and Mase Formulas
| Autor: | João Nuno C. Oliveira, María Clavero, Maria Graça Neves, Filipa S. B. F. Oliveira, António Trigo-Teixeira |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: |
beach morphodynamics
lcsh:Hydraulic engineering 010504 meteorology & atmospheric sciences Wave run-up Geography Planning and Development Numerical modeling Coastal processes Aquatic Science Computational fluid dynamics 01 natural sciences Biochemistry wave runup Seawall lcsh:Water supply for domestic and industrial purposes IH2VOF lcsh:TC1-978 wave run-up wave overtopping Geotechnical engineering West coast Modelo XBeach 0105 earth and related environmental sciences Water Science and Technology lcsh:TD201-500 010505 oceanography business.industry Wave overtopping Beach morphodynamics XBeach Storm coastal processes numerical modeling Bottom roughness hydrodynamic modeling Hydrodynamic modeling Mase formulas business Geology Intensity (heat transfer) |
| Zdroj: | Water, Vol 12, Iss 2526, p 2526 (2020) Water Volume 12 Issue 9 Digibug: Repositorio Institucional de la Universidad de Granada Universidad de Granada (UGR) Digibug. Repositorio Institucional de la Universidad de Granada instname |
| ISSN: | 2073-4441 |
| Popis: | The advances in computational fluid dynamics have made numerical modeling a reliable complementary tool to the traditional physical modeling in the study of the wave overtopping phenomenon. This paper addresses overtopping on a seawall by combining the numerical models XBeach (non-hydrostatic and Surfbeat modes) and IH2VOF, and the Mase formulas. This work is structured in two phases: (i) phase I assesses the performance of numerical models and formulas in modeling wave run-up and overtopping on a seawall for a solid profile bottom and representative hydro-morphologic conditions of a study site in the Portuguese west coast; (ii) phase II investigates the effect of the profile bottom variation in the overtopping phenomenon for extreme maritime storm field conditions of the study site, considering a solid bottom and a varying sandy bottom. The results indicate that XBeach underestimates the wave energy, and the frequency and intensity of the overtopping occurrences predicted by IH2VOF; the numerical models’ run-up and overtopping discharge predictions are overestimated by the Mase formulas, in simplified and in storm field conditions; and the variation of the bottom morphology throughout the storm event greatly influences the XBeach predictions, while the Mase results are mostly influenced by the bottom roughness. project CYTED 2017-PROTOCOL Portuguese Foundation for Science and Technology PD/BD/128508/2017 PCI2019-103565-SUSME PID2019-107509GB-I00-ROMPEOLAS |
| Databáze: | OpenAIRE |
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