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A fully coupled 3D wave-current interaction model on unstructured grids
Roland, Aron Zhang, Yinglong J. Wang, Harry V. Meng, Yanqiu Teng, Yi-Cheng Maderich, Vladimir Brovchenko, Igor Dutour-Sikiric, Mathieu Zanke, Ulrich
Roland, Aron
Zhang, Yinglong J.
Wang, Harry V.
Meng, Yanqiu
Teng, Yi-Cheng
Maderich, Vladimir
Brovchenko, Igor
Dutour-Sikiric, Mathieu
Zanke, Ulrich
Abstract
We present a new modeling system for wave-current interaction based on unstructured grids and thus suitable for very large-scale high-resolution multiscale studies. The coupling between the 3D current model (SELFE) and the 3rd generation spectral wave model (WWM-II) is done at the source code level and the two models share same sub-domains in the parallel MPI implementation in order to ensure parallel efficiency and avoid interpolation. We demonstrate the accuracy, efficiency, stability and robustness of the coupled SELFE-WWM-II model with a suite of progressively challenging benchmarks with analytical solution, laboratory data, and field data. The coupled model is shown to be able to capture important physics of the wave-current interaction under very different scales and environmental conditions with excellent convergence properties even in complicated test cases. The challenges in simulating the 3D wave-induced effects are highlighted as well, where more research is warranted.
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2012-01-01
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2012JC007952.pdf
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Virginia Institute of Marine Science
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https://doi.org/10.1029/2012JC007952