Preprints
https://doi.org/https://doi.org/10.48550/arXiv.2404.10878
https://doi.org/https://doi.org/10.48550/arXiv.2404.10878
08 May 2024
 | 08 May 2024
Status: this preprint is open for discussion.

Wave-resolving Voronoi model of Rouse number for sediment entrainment equilibrium

Johannes Lawen

Abstract. To integrate wave and sediment transport modeling, a computationally extensive wave-resolving Voronoi mesh-based simulation has been developed to improve upon heretofore separate sediment and spectral wave modeling. Orbital wave motion-dependent sediment transport and fine structures of the dynamic Rouse number distribution across the seabed were brought into focus. The entirely parallelized wave-resolving hydrodynamic model is demonstrated for nearshore beach waters adjacent to artificial islands in Doha Bay. The nested model was validated with tidal time series for three locations and two seasons.

Johannes Lawen

Status: open (until 03 Jul 2024)

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Johannes Lawen
Johannes Lawen

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Short summary
A new Voronoi mesh-borne coastal ocean model has been developed. Recent publications encouraged the development of models that work with different mesh types. Voronoi meshes exhibit less acute polygon angles and less numerical diffusion. The developed model is sufficiently generalized to work with any mesh type (Delaunay triangles, Voronoi, structured, mixed). The model is suitable for wave-resolving simulations for coastal developments to resolve intricate changes in erosion and deposition.