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

puce 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

puce Assimilation de données: méthodes variationnelles en contexte non-linéaire
Data assimilation: variational methods for nonlinear systems

puce Analyse de sensibilité: approche variationnelle vs approche stochastique
Sensitivity analysis: variational approach vs stochastic approach



Projets de recherche

Research projects

puce ANR COCOA (2017-2020) (PI: Eric Blayo)

puce ANR HEAT (2014-2019) (PI: Thomas Dubos)

puce ANR COMODO (2011-2015) (PI: Laurent Debreu)

puce ANR COSTA-BRAVA (2010-2013) (PI: Fabrice Gamboa)

puce ANR ADAGe (2009-2013) (PI: Olivier Gagliardini)

puce ANR VODA (2008-2012) (PI: Arthur Vidard)

puce ANR COMMA (2006-2010) (PI: Georges-Henri Cottet )


Publications récentes

Recent publications

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.

back to top

Enseignement / Teaching


puce Licence 1ere année: MAT204

puce Ensimag 2A and M1 MSIAM: PDEs and numerical methods   (course web page)

puce Cours doctoral d'assimilation de données   (slides)


Ressources

puce 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).

puce La bibliothèque d'exercices Exo7 (extraction d'exercices ou de fiches d'exos en tex ou pdf).

back to top

Autres activités / Other activities

puce La Grange des Maths

puce Ecole des Houches : Advanced Data Assimilation for Geosciences

back to top