Articles | Volume 11, issue 11
https://doi.org/10.5194/gmd-11-4359-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/gmd-11-4359-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Model description paper
| 
30 Oct 2018
Model description paper |
| 30 Oct 2018
| 30 Oct 2018
Thetis coastal ocean model: discontinuous Galerkin discretization for the three-dimensional hydrostatic equations
Center for Coastal Margin Observation & Prediction, Oregon Health & Science University, Portland, OR, USA
present address: Finnish Meteorological Institute, Helsinki, Finland
Stephan C. Kramer
Department of Earth Science and Engineering, Imperial College London, London, UK
Lawrence Mitchell
Department of Mathematics, Imperial College London, London, UK
Department of Computing, Imperial College London, London, UK
present address: Department of Computer Science, Durham University, Durham, UK
David A. Ham
Department of Mathematics, Imperial College London, London, UK
Matthew D. Piggott
Department of Earth Science and Engineering, Imperial College London, London, UK
António M. Baptista
Center for Coastal Margin Observation & Prediction, Oregon Health & Science University, Portland, OR, USA
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Latest update: 07 Feb 2025
Short summary
Unstructured meshes are attractive for coastal ocean modeling, as they allow more accurate representation of complex coastal topography. Unstructured mesh models are, however, often perceived as slow and inaccurate. We present a novel discontinuous Galerkin ocean model: Thetis. We demonstrate that the model is able to simulate baroclinic ocean flows with high accuracy on a triangular prismatic mesh. This work paves the way for highly accurate and efficient three-dimensional coastal ocean models.
Unstructured meshes are attractive for coastal ocean modeling, as they allow more accurate...
Special issue