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.
Morphodynamic modelling of the Belgian Coastal zone: Sub report 4 – Cross-shore transport modelling with GAIA: Ostend model
Kolokythas, G.; Breugem, A.; De Maerschalck, B. (2024). Morphodynamic modelling of the Belgian Coastal zone: Sub report 4 – Cross-shore transport modelling with GAIA: Ostend model. Version 4.0. FHR reports, 21_104_4. Flanders Hydraulics: Antwerp. VII, 69 p. pp.
Deel van: FHR reports. Flanders Hydraulics Research: Antwerp
The presented report gives an comprehensive overview of the implementation of different cross-shore processes in GAIA, the sediment transport and bed-update module of the TELEMAC-MASCARET software suit:<br> Surface roller energy generated in the breaking wave front<br> Return flow generated to counterbalance the so-called Stokes drift<br> Wave non-linearity, i.e. wave skewness and wave asymmetry<br> Wave breaking turbulence generated in the collapsing wave front<br> In order to test the implementation of these cross-shore processes, a 2D-morphodynamic model for the central part of the Belgian coast, the so-called Ostend model, is build. The modelling strategy involves online coupling of the TELEMAC-2D, TOMAWAC and GAIA modules using the TEL2TOM and the implementation of Neumann conditions at the lateral boundaries of the hydrodynamic model. The model is driven by measured water levels and wind- and wave-forcing, and is validated by water level and near-shore current and wave measurements. The model is used for testing various calibration parameters for the cross-shore sediment transport modelling and finally validated against measured bed changes over the period 2016-2017.<br> In general the results of Ostend model with cross-shore current included, show good agreement to the measured profiles. The results show that the implementation of the cross-shore processes are an added value in the modelling of the near- and onshore bed evolution.
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