IMIS - Marine Onderzoeksgroepen

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MSc - Physical modeling of overtopping in Dune Dike hybrid NbS and development of an empirical formula
Funder identifier: WL 25_090 (Other contract id)
Complementary funding codes: 5114 - Department of Mobility and Public Works
Period: August 2025 till July 2026
Status: Completed

Thesaurus terms Coastal and estuarine hydraulics; Dikes; Dunes; Physical models; Wave overtopping
  • Vlaamse overheid; Beleidsdomein Mobiliteit en Openbare Werken; Vlaams Ministerie Mobiliteit en Openbare Werken; Departement Mobiliteit en Openbare Werken; Waterbouwkundig Laboratorium (WL), more, promotor
  • Universiteit Gent (UGent), more, proposer

Problem focus: How do dune–dike (DD) interactions control wave overtopping under extreme conditions?

Core questions:

  • Q1: How do relative position (foredune offset), crest levels, and dune geometry modify overtopping discharge compared with standalone dikes/dunes?
  • Q2: What non-dimensional parameters controls the DD-hybrid performance (e.g, slope tan𝛽, roughness, permeability factors, relative set-back)?
  • Q3: Can we derive a practical empirical formula for design/assessment, with quantified uncertainty, that reduces to EurOtop-style predictors for the cases?