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one publication added to basket [244467]

Comparison of numerical models for wave overtopping and impact on a sea wall Vanneste, D.; Altomare, C.; Suzuki, T.; Troch, P.; Verwaest, T. (2014). Comparison of numerical models for wave overtopping and impact on a sea wall, in: Lynett, P. (Ed.) Proceedings of 34th Conference on Coastal Engineering, Seoul, Korea, 2014. Coastal Engineering Proceedings, 34: pp. [1-14] In: Lynett, P. (Ed.) (2014). Proceedings of 34th Conference on Coastal Engineering, Seoul, Korea, 2014. Coastal Engineering Proceedings, 34. Coastal Engineering Research Council: [s.l.]. ISBN 978-0-9896611-2-6. , meer In: Coastal Engineering Proceedings. American Society of Civil Engineers (ASCE): New York. ISSN 2156-1028, meer

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Beschikbaar in	Auteurs
VLIZ: Open access 334350 [ download pdf ] Waterbouwkundig Laboratorium: Open Repository 268181 [ download pdf ]
Documenttype: Congresbijdrage

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Trefwoorden

Numerical models Software validation > Validation Structures > Hydraulic structures > Coastal structures > Coast defences > Sea walls Wave overtopping Marien/Kust

Author keywords

Wave impact,; Wave flume experiment

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Auteurs		Top
Vanneste, D., meer Altomare, C., meer Suzuki, T., meer	Troch, P., meer Verwaest, T., meer

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Abstract

The paper discusses three different numerical models in a study of wave overtopping and impact on a sea wall. The models used are SWASH (based on the nonlinear shallow water equations), DualSPHysics and FLOW-3D (both based on the full Navier-Stokes equations). The models are validated against experimental measurements in a setup with a quay wall and berm in front of the sea wall. The two models based on the full Navier-Stokes equations provide good estimates of the wave impact on the sea wall. Moreover, reasonable agreement with experimental values of averaged overtopping discharges was found for the full test time series simulated with FLOW-3D. Notwithstanding the SWASH model provides reasonable estimates for the wave overtopping on a simple quay wall, at a significantly lower computational cost than the other two models, it clearly underrates the overtopping discharge in the case of a combination of a quay wall, berm and sea wall. Further investigation is needed to draw conclusions on the model accuracy of SWASH in such a case.

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