Integrated Marine Informations System - IMIS

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Update snelheidsvelden Zeeschelde en Sluistoegangen: technical report
Chu, K.; Vanlede, J.; Decrop, B.; Verwilligen, J.; Mostaert, F. (2017). Update snelheidsvelden Zeeschelde en Sluistoegangen: technical report. Version 2.0. FHR reports, 00_081_1. Flanders Hydraulics Research: Antwerp. IX, 68 + 6 p. appendices pp.

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Documenttype: Projectrapport

    Hydraulics and sediment > Hydrodynamics > Current velocities  and patterns
    Literature and desktop study
    Models > Scale models > Hydraulic models
Author keywords

Project Top | Auteurs 
  • Update snelheidsvelden Zeeschelde + sluistoegangen

Auteurs  Top 
  • Chu, K.
  • Vanlede, J., meer
  • Decrop, B., meer
  • Verwilligen, J., meer
  • Mostaert, F., meer

    The main objective of this study is to update the flow field of the Scheldt, which can be used as an input for the shipping simulator. For this modelling exercise, 8 numerical models in 3 different modelling suites (Simona, Delft3D, TELEMAC) are updated to the year 2015 with the necessary inputs (bathymetry, salinity, boundary conditions, river discharge and wind). Two modelling approaches are compared.

    The structured grid approach consists of the combination of the NEVLA 3D model with 4 detailed 2D models (which are nested in the NEVLA model). The unstructured grid approach consists of the 3D SCALDIS model. Model performance is checked by comparing model predicted velocities against 67 different ADCP measurement campaigns.

    In general, SCALDIS shows the best performance on velocities throughout the Scheldt. The updated flow fields are therefore extracted from SCALDIS. The velocity data calculated by the SCALDIS model is exported as ASCII files over one tidal cycle during both spring and neap tides.

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