PHOTO






Roger LEWANDOWSKI







Full Professor, University Rennes 1, France

Research area : Mathematical fluid dynamic, Partial differential equations, functional analysis.

address : IRMAR , UMR CNRS 6625, Université Rennes1, Campus Beaulieu, 35042 Rennes cedex, France

Tel : 00 (33) 2 23 23 58 64
Tel Secretary : 00 (33) 2 23 23 60 07

E-mail for Roger Lewandowski


Curriculum Vitae


Main Recent Publications
Ph D Students


Main Recent Publications

  1. Error estimates in Approximate Deconvolution Models (with A. Dunca), Submitted in JMFM, Article on Arxiv

  2. Convergence of approximate deconvolution models to the mean Navier-Stokes Equations (with L. Berselli), Received for publication in Ann. IHP, 2011, Article

  3. On evolutionary Navier-Stokes-Fourier type system in three spatial dimensions (with M. Bulícek and J. Málek), Commentationes Mathematicae Universitatis Carolinae, 52, Vol 1, 89-114, 2011, Article

  4. HydroPeche: a way to improve energy efficiency of fishing devices (with Grégory Germain, Philippe Druault, Benoit Vincent, Daniel Priour, Jean-Yves Billard), First International Symposium on Fishing Vessel Energy Efficiency E-Fishing, Vigo, Spain, May 2010 Article

  5. Numerical modeling of algebraic closure models of oceanic turbulent mixing layers (with A.-C Bennis, T. Chacon and M. Gomez), Mathematical Modelling and Numerical Analysis, vol 4, 1255-1277, 2010, Article

  6. On a Continuous Deconvolution Equation for Turbulence Models, Lecture Notes of Necas Center for Mathematical Modeling, Vol 5, 69-102, 2009, Article

  7. Simulations de l'écoulement turbulent marin avec un modèle de déconvolution (with A.-C. Bennis and E. Titi), Comptes Rendus de l'Académie des Sciences de Paris", Série I, No 347, 445-450, 2009, Article

  8. Automatic insertion of a turbulence model in the finite element discretization of the Navier-Stokes equations (with C. Bernardi, T. Chacon and F. Hecht), Math. Mod. and Meth. in App. Sc., Vol 19, No 7, 1139-1183, 2009, Article

  9. Attractors for a deconvolution model of turbulence (with Y. Préaux), Applied Maths Letters, No 22, 642-645, 2009, Article

  10. Numerical modeling of buoyant turbulent mixing layer (with A.-C Bennis, T. Chacon and M. Gomez), Bol. Soc. Esp. Math. Appl. No 42, 127-135, 2008 Article

  11. A high accuracy Leray-deconvolution model of turbulence and its limiting behavior (with W. Layton), Analysis and Applications, Vol 6, No 1, pp 23-49, 2008, Article

  12. Stability of some turbulent vertical models for the ocean mixing boundary layer (with A. -C. Bennis, T. Chacon and M. Gomez), Applied Math Letters, Vol 21, pp 128-133, 2008
    corrected proofs avaible on line at the journal web site, Article

  13. Numerical simulation of water flow around a rigid fishing net (with G. Pichot), Computer Methods in Applied Mechanics and Engineering, Vol 196, nb 45-48, pp 4737-4754, 2007,
    avaible on line at the journal web site, Article

  14. On the RANS 3D model with unbounded eddy viscosities, (with J. Lederer), Ann. IHP, An. non Lin., No 24, pp. 413-441, 2007,
    avaible on line at Article

  15. On the Turbulent flow around a fishing net (with G. Pichot), Comptes-Rendus de l'Académie des Sciences de Paris, série 1, Volume 344, No 2, pp 141-145, 2007, Note

  16. Residual stress of approximate deconvolution models of turbulence, (with W.-J. Layton), Journal of Turbulence, Vol. 7, Number 46, pp 1-21, 2006, article,
    See also the Journal of Turbulence on line at Jounal of turbulence

  17. Vorticities in a LES model for 3D periodic turbulent flows, Journ. Math. Fluid. Mech, Vol 8, pp 398-422, 2006. article,

  18. On a well posed turbulence model, (with W.-J. Layton), Discrete and continuous dynamical systems series B, Vol 6, nb 1, pp 111-128, 2006. article

  19. Numerical Simulation of a Cod End~Net. Part 1: Equilibrium in a Uniform Flow, (with H. Le Dret, D. Priour and F. Chagneau), Journal of Elasticity, Vol 76, pp. 139-162, 2004. article

  20. A model for two coupled turbulent fluids, Part III: Numerical approximation by finite elements, (with C. Bernardi, T. Chacon-Rebello M. Gomez and F. Murat) Numer. Maths., Vol. 98, no 1, pp. 33-66, 2004. article

  21. A simple and stable scale similarity model for large scale eddy simulation: energy balance and existence of weak solutions, (with W.-J. Layton), Applied Maths. Letters, Vol 16, pp 1205-1209, 2003. article

  22. A model for two coupled turbulent fluids, Part II: Numerical approxiamtion by spectral discretization, (with C. Bernardi, T. Chacon and F. Murat), Siam Journ. Num. An., Vol 40, No 6, pp. 2368-2394, 2003. article 

  23. On a turbulent system with unbounded eddy viscosities, (with T. Gallouet, J. Lederer, F. Murat and L. Tartar), Non Linear Analysis TMA, 52, pp. 1051-1068, 2003.  article

  24. Analysis of an eddy viscosity model for large eddy simulation of turbulent flows, (with W.-J. Layton), Journal of Mathematical Fluid Dynamics, 4, pp. 374-399, 2002. article 

  25. Impact of the variations of the mixing lenght in a first order turbulent flows, (with F. Brossier), Mathematical Modelling and Numerical Analysis, vol 36, no 2, pp. 1-26, 2002.  article

  26. A model for two coupled turbulent fluids, Part I: analysis of the system, (with C. Bernardi, T. Chacon and F. Murat), Studies in mathematics and its applications, North-Holland, vol XIV, pp. 69-102. 2002, article


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Ph D Students


  1. Ronan GUENANFF, E-mail address : Ronan.Guenanff@onera.fr
    Title of the Thesis : Non stationary coupling Navier-Stokes/Euler for the generation and radiations of aerodynamic noises
    Beginning of the thesis : September 2001
    Grant : ONERA, Chatillon
    PhD thesis defended December 14th 2004, succesfull with honors Thesis Abstract , Defense Report

  2. Julien LEDERER, E-mail address : julien.lederer@systeia.com
    Subject of the Thesis : Sustainability, climatic risks and analysis of RANS equations
    Beginning of the thesis : September 2002
    Grant : SYSTEIA,
    PhD Thesis Defended January 31th, 2006, succesfull, with honors. Thesis Presentation , Defense Report

  3. Géraldine PICHOT, E-mail address : geraldine.pichot@univ-rennes1.fr
    Title of the Thesis : Modelization and numerical analysis of coupling hydrodynamic net-flow in a cod end net
    Beginning of the thesis : September 2004,
    Grant : IFREMER/Région Bretagne.
    PhD Thesis Defended December 6th, 2007. Succesfull, with honors.

  4. Anne-Claire BENNIS, E-mail address : Anne-Claire. Bennis@univ-rennes1.fr
    Title of the Thesis : Turbulence models for the oceanic boundary layer
    Beginning of the thesis : September 2005,
    Grant : Bourse MNRT.
    PhD Thesis Defended November 24th, 2008. Succesfull, with honors.

  5. Hani ALI, E-mail address : hani.ali@univ-rennes1.fr
    Subject of the Thesis : Mathematical study of some turbulence models
    Beginning of the thesis : September 2008.
    Grant : "Région Bretagne"
    PhD Thesis Defended December 5th, 2011. Succesfull, with honors.


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