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Boundary conditions control for a Shallow-Water model

Eugene Kazantsev 1, * 
* Corresponding author
1 MOISE - Modelling, Observations, Identification for Environmental Sciences
Inria Grenoble - Rhône-Alpes, LJK - Laboratoire Jean Kuntzmann, Grenoble INP - Institut polytechnique de Grenoble - Grenoble Institute of Technology
Abstract : A variational data assimilation technique was used to estimate optimal discretization of interpolation operators and derivatives in the nodes adjacent to the rigid boundary. Assimilation of artificially generated observational data in the shallow-water model in a square box and assimilation of real observations in the model of the Black sea are discussed. It is shown in both experiments that controlling the discretization of operators near a rigid boundary can bring the model solution closer to observations as in the assimilation window and beyond the window. This type of control allows also to improve climatic variability of the model.
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Submitted on : Thursday, December 13, 2012 - 10:36:35 AM
Last modification on : Thursday, January 20, 2022 - 5:28:08 PM
Long-term archiving on: : Thursday, March 14, 2013 - 3:46:42 AM


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Eugene Kazantsev. Boundary conditions control for a Shallow-Water model. International Journal for Numerical Methods in Fluids, 2012, 68 (5), pp.625-641. ⟨10.1002/fld.2526⟩. ⟨hal-00764540⟩



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