Archief Prof. Ir. J.J. Peters

Over het archief

In 2012 verloren we Jean Jacques Peters, voormalig ingenieur van het Waterbouwkundig Laboratorium (1964 tot 1979) en internationaal expert in sedimenttransport, rivierhydraulica en -morfologie. Als eerbetoon aan hem hebben we potamology (http://www.potamology.com/) gecreëerd, een virtueel gedenkarchief dat als doel heeft om zijn manier van denken en morfologische aanpak van rivierproblemen in de wereld in stand te houden en te verspreiden.

Het merendeel van z’n werk hebben we toegankelijk gemaakt via onderstaande zoekinterface.

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Benchmarking of numerical models for wave overtopping at dikes with shallow mildly sloping foreshores: Accuracy versus speed Lashley, C.; Zanuttigh, B.; Bricker, J.; van der Meer, J.; Altomare, C.; Suzuki, T.; Roeber, V.; Oosterlo, P. (2020). Benchmarking of numerical models for wave overtopping at dikes with shallow mildly sloping foreshores: Accuracy versus speed. Environ. Model. Softw. 130: 104740. https://dx.doi.org/10.1016/j.envsoft.2020.104740 In: Environmental Modelling & Software. Elsevier: Oxford. ISSN 1364-8152; e-ISSN 1873-6726

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Beschikbaar in	Auteurs
Vlaams Instituut voor de Zee: Open access 360794 [ download pdf ] Waterbouwkundig Laboratorium: Open Repository 345949 [ OWA ]

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Trefwoorden

Coastal protection > Coastal safety against extreme storms > Sea dikes Numerical modelling Marien/Kust

Author keywords

Infragravity wave; OpenFOAM; BOSZ; XBeach; SWASH; SWAN

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Auteurs		Top
Lashley, C. Zanuttigh, B. Bricker, J.D. Van der Meer, J.	Altomare, C. Suzuki, T. Roeber, V. Oosterlo, P.

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Abstract

Practitioners often employ diverse, though not always thoroughly validated, numerical models to directly or indirectly estimate wave overtopping (q) at sloping structures. These models, broadly classified as either phase-resolving or phase-averaged, each have strengths and limitations owing to the physical schematization of processes within them. Models which resolve the vertical flow structure or the full wave spectrum (i.e. sea-swell (SS) and infragravity (IG) waves) are considered more accurate, but more computationally demanding than those with approximations. Here, we assess the speed-accuracy trade-off of six well-known models for estimating (q), under shallow foreshore conditions. The results demonstrate that: i) (q) is underestimated by an order of magnitude when IG waves are neglected; ii) using more computationally-demanding models does not guarantee improved accuracy; and iii) with empirical corrections to incorporate IG waves, phase-averaged models like SWAN can perform on par, if not better than, phase-resolving models but with far less computational effort.

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