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

authored by: 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.
Organisation(s): Coastal Research Centre
External Organisation(s): Technische Universität Braunschweig
Norwegian University of Science and Technology (NTNU)
Federal Waterways Engineering and Research Institute (BAW)
Type: Article
Journal: Coastal engineering
Volume: 188
No. of pages: 16
ISSN: 0378-3839
Publication date: 03.2024
Publication status: Published
Peer reviewed: Yes
ASJC Scopus subject areas: Environmental Engineering, Ocean Engineering
Electronic version(s): https://doi.org/10.1016/j.coastaleng.2023.104452 (Access: Closed)

BibTeX

@article{845d5b3a46c7476b84cba7691505619f,
title = "Hydrodynamic coupling of multi-fidelity solvers in REEF3D with application to ship-induced wave modelling",
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.",
keywords = "Far-field wave, Groin overtopping, Long-period waves, Model interfaces, Multi-scale modelling, SWE-CFD coupling, Validation",
author = "Dempwolff, {Le{\'o}n Carlos} and Christian Windt and Hans Bihs and Gregor Melling and Ingrid Holzwarth and Nils Goseberg",
note = "Funding Information: This study is part of the research project NumSiSSI (Numerical Simulation of Shipwave–Structure-Interaction in Coastal Areas) conducted in cooperation with the German Federal Waterways Engineering and Research Institute (BAW) ",
year = "2024",
month = mar,
doi = "10.1016/j.coastaleng.2023.104452",
language = "English",
volume = "188",
journal = "Coastal engineering",
issn = "0378-3839",
publisher = "Elsevier",
}