Hydrodynamic coupling of multi-fidelity solvers in REEF3D with application to ship-induced wave modelling

verfasst von
León Carlos Dempwolff, Christian Windt, Hans Bihs, Gregor Melling, Ingrid Holzwarth, Nils Goseberg
Abstract

Ship-induced waves are an increasingly relevant hydrodynamic forcing factor in waterways travelled by large seagoing ships. The discrepancy between the small-scale wave-structure interaction near embankments and the larger-scale wave generation and propagation poses challenges for the prediction of ship-induced waves as a multi-scale problem. Therefore, a novel hydrodynamic coupling interface is presented that allows information transfer from the shallow-water-equation (SWE) solver REEF3D::SFLOW to the 3D-RANS-solver REEF3D::CFD. The implementation consists of a one-way coupling, where the solution from the SWE solver is imposed to one or multiple relaxation zones of the CFD solver. A series of verification cases shows that the implementation of the interface is accurate and only small deviations are introduced due to the 2D-3D dimensional mismatch of the numerical models involved. An application is presented, showing how the coupled SWE-CFD model can be employed to study ship-induced groin overtopping.

Organisationseinheit(en)
Forschungszentrum Küste
Externe Organisation(en)
Technische Universität Braunschweig
Norwegian University of Science and Technology (NTNU)
Bundesanstalt für Wasserbau (BAW)
Typ
Artikel
Journal
Coastal engineering
Band
188
Anzahl der Seiten
16
ISSN
0378-3839
Publikationsdatum
03.2024
Publikationsstatus
Veröffentlicht
Peer-reviewed
Ja
ASJC Scopus Sachgebiete
Environmental engineering, Meerestechnik
Elektronische Version(en)
https://doi.org/10.1016/j.coastaleng.2023.104452 (Zugang: Geschlossen)