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A fully coupled 3D wave-current interaction model on unstructured grids
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DOI：10.1029/2012JC007952.png)
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Abstract
En 中文
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;
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.
Keywords:
FINITE-ELEMENT MODEL
PART I
OCEAN CIRCULATION
RADIATION STRESS
SET-UP
VALIDATION
BOTTOM
EQUATIONS
GRAVITY
SURFACE
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