Eric Blayo
Professeur en Mathématiques Appliquées
Professor in Applied Mathematics
Directeur adjoint du Laboratoire Jean Kuntzmann
Deputy director of Jean Kuntzmann Lab.
Université Grenoble Alpes
Address: | Laboratoire Jean Kuntzmann Bâtiment IMAG 700 avenue centrale 38401 Domaine Universitaire de Saint Martin d'Hères France |
Office: | 186 |
Phone: | +33 (0)4 57 42 17 11 |
E-mail: | Eric (.) Blayo (at) univ-grenoble-alpes (.) fr |
Recherche / Research
Membre de l'équipe AIRSEA au LJK et à l'INRIA / Member of the AIRSEA team at LJK and INRIA
Thèmes de recherche
Research topics
Modélisation numérique de l'océan et l'atmosphère: conditions de
frontière ouverte, méthodes multi-échelles, couplage de modèles
Numerical modeling of the ocean and of the atmosphere: open boundary conditions, multiscale methods, coupling methods
Assimilation de données: méthodes variationnelles en contexte non-linéaire
Data assimilation: variational methods for nonlinear systems
Analyse de sensibilité: approche variationnelle vs approche stochastique
Sensitivity analysis: variational approach vs stochastic approach
Projets de recherche
Research projects
ANR COCOA (2017-2020) (PI: Eric Blayo)
ANR HEAT (2014-2019) (PI: Thomas Dubos)
ANR COMODO (2011-2015) (PI: Laurent Debreu)
ANR COSTA-BRAVA (2010-2013) (PI: Fabrice Gamboa)
ANR ADAGe (2009-2013) (PI: Olivier Gagliardini)
ANR VODA (2008-2012) (PI: Arthur Vidard)
ANR COMMA (2006-2010) (PI: Georges-Henri Cottet )
Publications récentes
Recent publications
Demange J., L. Debreu, P. Marchesiello, F. Lemarié, E. Blayo and C. Eldred, 2019: Stability analysis of split-explicit free surface ocean models: implication of the depth-independent barotropic mode approximation. J. Comput. Phys., 398, 108875.
Prieur C., L. Viry, E. Blayo and J.M. Brankart, 2019: A global sensitivity analysis approach for marine biogeochemical modeling. Ocean Model., 139, 101402, https://doi.org/10.1016/j.ocemod.2019.101402
Gross, M., H. Wan, P.J. Rasch, P.M. Caldwell, D.L. Williamson, D. Klocke, C. Jablonowski, D.R. Thatcher, N. Wood, M. Cullen, B. Beare, M. Willett, F. Lemarié, E. Blayo, S. Malardel, P. Termonia, A. Gassmann, P.H. Lauritzen, H. Johansen, C.M. Zarzycki, K. Sakaguchi, and R. Leung, 2018: PhysicsÐdynamics coupling in weather, climate, and Earth system models: challenges and recent progress. Mon. Wea. Rev., 146, 3505Ð3544, https://doi.org/10.1175/MWR-D-17-0345.1
Pelletier C., F. Lemarié and E. Blayo, 2018: Sensitivity analysis and metamodels for the bulk parametrization of turbulent air-sea fluxes. Quart. J. Roy. Meteorol. Soc., 144, 658-669.
Blayo E., A. Rousseau and M. Tayachi, 2017: Boundary conditions and Schwarz waveform relaxation method for linear viscous Shallow Water equations in hydrodynamics. SMAI J. Comput. Math., 3, 117-137.
Blayo E. and A. Rousseau, 2016: About interface conditions for coupling hydrostatic and nonhydrostatic Navier-Stokes flows. Discrete and Continous Dynamical Systems - Series S, 9, 1565-1674.
Blayo E., D. Cherel and A. Rousseau, 2016: Towards optimized Schwarz methods for the Navier-Stokes equations. Int. J. Sci. Comput., 66, 275-295.
Lemarié F., E. Blayo and L. Debreu, 2015: Analysis of ocean-atmosphere coupling algorithms: consistency and stability issues. Procedia Computer Science, 51, 2066-2075.
Blayo E., M. Bocquet, E. Cosme and L. Cugliandolo (Eds.), 2014: Advanced data assimilation for geosciences. Oxford University Press.
Tayachi M., A. Rousseau, E. Blayo, N. Goutal and V. Martin, 2014: Design and analysis of a Schwarz coupling method for a dimensionally heterogeneous problem. Int. J. Num. Meth. Fluids, 75, 446-465.
Veres D., L. Bazin, A. Landais, B. Lemieux-Dudon, F. Parrenin, P. Martinerie, H. Toye Mahamadou Kele, E. Blayo, T. Blunier, E. Capron, J. Chappellaz, S.O. Rasmussen, M. Severi, A. Svensson, B. Vinther and E.W. Wolff, 2013: The Antarctic ice core chronology (AICC2012): an optimized multi-parameter and multisite dating approach for the last 120 thousand years. Climate of the Past, 9, 1733-1748.
Martin V. and E. Blayo, 2013: Building generalized open boundary conditions for fluid dynamics problems. Int. J. Num. Meth. Fluids.,71, 506-521.
Lemarié F., L. Debreu and E. Blayo, 2013: Optimal control of the convergence rate of Schwarz waveform relaxation algorithms. In Domain Decomposition Methods in Science and Engineering XVI, Lecture Notes in Computational Science and Engineering, Vol. 91, p599-606 ed. by R. Bank, M. Holst, O. Widlund and J. Xu, Springer.
Lemarié F., L. Debreu and E. Blayo, 2013: Towards an optimized global-in-time Schwarz algorithm for diffusion equations with discontinuous and spatially variable coefficients. Part 2 : the variable coefficients case. Elec. Trans. Num. Anal., 40, 170-186.
Lemarié F., L. Debreu and E. Blayo, 2013: Towards an optimized global-in-time Schwarz algorithm for diffusion equations with discontinuous and spatially variable coefficients. Part 1 : the constant coefficients case. Elec. Trans. Num. Anal., 40, 148-169.
Simon E., L. Debreu and E. Blayo, 2011: 4D variational data assimilation for locally nested models: complementary theoretical aspects and application to a 2D shallow water model. Int. J. Num. Meth. Fluids, 66, 135-161.
Krysta
M., E. Blayo, E. Cosme and J. Verron, 2010: A consistent hybrid
variational-smoothing data assimilation method: Application to a simple shallow-water
model of the turbulent mid-latitude ocean. Monthly Weather Review, 139, 3333-3347.
Lemieux-Dudon B., E. Blayo, J.-R. Petit, C. Waelbroeck, A. Svensson, C. Ritz, J.-M. Barnola, B. M. Narcisi and F. Parrenin, 2010: Consistent dating for Antarctica and Greenland ice cores. Quaternary Science Reviews. 29, 8-20.
Nourtier E. and E. Blayo, 2010 : Towards absorbing boundary conditions for the 1-D biharmonic diffusion equation. Applied Numerical Mathematics, 60, 83-93.
Enseignement / Teaching
Licence 1ere année: MAT204
Ensimag 2A and M1 MSIAM: PDEs and numerical methods (course web page)
Cours doctoral d'assimilation de données
Ressources
Le site Maths en L1gne de Bernard Ycart, une mine de documents pour les Maths en L1 (cours complet, vrai/faux, QCM, exercices, devoirs corrigés, compléments).
La bibliothèque d'exercices Exo7 (extraction d'exercices ou de fiches d'exos en tex ou pdf).
Autres activités / Other activities
Ecole des Houches : Advanced Data Assimilation for Geosciences