Stéphane BRULL maître de conférence en Mathématiques Appliquées (section 26)
Stephane.Brull@math.u-bordeaux1.fr


Thèmes de recherche .... Publications .... Encadrements .... Séjours dans des laboratoires étrangers .... Communications

Publications dans des revues avec comité de lecture

Articles acceptés pour publication

    2024

  1. S.Brull, S.B.Yun: Stationary flows of the ES-BGK model with the correct Prandtl number à paraître dans SIAM journal on Math Analysis Version.pdf

  2. S. Brull, D. Kim, M.S. Lee, S.B. Yun: Stationary mixture BGK model with the correct Fick coefficients à paraître dans Journ. Stat. Phys. Version.pdf

  3. S. Brull, K. Guillon, P. Thieullen: A Fick Law's recovering BGK model for a mixture monoatomic and polyatomic gases à paraître dans Kinetic and Related Models Version.pdf

  4. S. Brull, M. Shahine, P. Thieullen : Fredholm property of the linearized Boltzmann operator for a polyatomic single gas model Kinetic and Related Models, 17, n°2, 234-252, (2024) Version .pdf

    5. 2023

  5. V. Ayot, S. Brull, P. Thieullen : A velocity alignment collision model in 1D for spatially homogeneous kinetic collective dynamics Journ. Stat. Phys., 190, n°2, (2023) Version .pdf

    6. 2022

  6. S.Brull, M.Shahine, P.Thieullen: Compactness property of the linearized Boltzmann operator for a diatomic single gas model Networks and Heterogeneous Media, 17, n°6, 847-861, (2022) Version .pdf

  7. D. Aregba, S.Brull: Construction and approximation of the polyatomic bitemperature Euler system Networks and Heterogeneous Media, 17, n°4, 593-611 (2022) Version .pdf

  8. D. Aregba, S.Brull, C. Prigent: A discrete velocity numerical scheme for the 2D bitemperature Euler system SIAM journal on Numerical Analysis 60 n°1, 28-51, (2022) Version .pdf

    9. 2021

  9. S.Brull: An Ellipsoidal Statistical Model for a monoatomic and polyatomic gas mixture Communication in Math. Science, 19, 8, 2177-2194, (2021) Version .pdf

  10. D. Aregba, S.Brull, Y.J.Peng: Global existence of smooth solutions for a non-conservative bitemperature Euler model SIAM journal on Math Analysis 53, no. 2, 1886-1907, (2021) Version .pdf

  11. S.Brull, B.Dubroca, X.Lhébrard: Modelling and entropy satisfying relaxation scheme for the nonconservative bitemperature Euler system with transverse magnetic field Computers and Fluids, 214, (2021) Version .pdf

    12. 2020

  12. S.Brull, C.Prigent: Local discrete velocity grids for multispecies rarefied flow simulations Communication in Computational Physics 28, n°4, 1274-1304, (2020) Version .pdf

  13. S.Brull, B. Dubroca, C. Prigent: A kinetic approach of the bitemperature Euler system Kinetic and Related Models, 13, n°1, 33-61, (2020) Version .pdf

    14. 2019

  14. D. Aregba, S.Brull: About viscous approximations of the bitemperature Euler system Communications in Math Sciences, Vol. 17, No. 4, 1135-1147, (2019) Version .pdf

  15. T. Pichard, S.Brull, B.Dubroca: A numerical approach for a system of transport equations in the field of radiotherapy Communications in Computational Physics (CICP), 25, n°4, 1097-1126, (2019) Version .pdf

    16. 2018

  16. C.Baranger, M.Bisi, S.Brull, L.Desvillettes: On the Chapman-Enskog asymptotics for a mixture of monoatomic and polyatomic rarefied gases Kinetic and Related Models, 11, n°4, 821-858, (2018) Version .pdf

  17. S.Guisset, S.Brull, B.Dubroca, R.Turpault: Asymptotic-preserving numerical scheme for the electronic M1 model in the diffusive limit Communications in Computational Physics (CICP) 24, n°5, 1326-1354 (2018) , Version .pdf

  18. D.Aregba, J.Breil, S.Brull, B.Dubroca, E.Estibals: Modelling and numerical approximation for the nonconservative bitemperature Euler model M2AN (Mathematical Modelling and Numerical Analysis) 52 (4), 1353-1383, (2018) Version .pdf

    19. 2017

  19. S.Guisset, D.Aregba, S.Brull, B.Dubroca: The M1 angular moments model in a moving reference frame for rarefied gas dynamics applications Multiscale Model. Simul. 15-4, 1719-1747 (2017). Version .pdf

  20. T.Pichard, G.Alldredge, S.Brull, B.Dubroca, M.Franck: An approximation of the M2 closure: application to radiotherapy dose simulation Journ. Sci. Comput.,71, n°1, 71-108, (2017) Version .pdf

  21. S.Guisset, S.Brull, E.d'Humières, B.Dubroca: Asymptotic preserving well-balanced scheme for the electronic M1 model in the diffusive limit: pariticular cases M2AN (Mathematical Modelling and Numerical Analysis) 51-5, 1805-1826 (2017) Version .pdf

    22. 2016

  22. S.Brull, P.Charrier, L.Mieussens: Nanoscale roughness effect on Maxwell-like boundary conditions for the Boltzmann equation Physics of Fluids, 28, 082004, (2016) Version .pdf

  23. S.Guisset, S.Brull, B.Dubroca, E.d'Humières, V.Thikhonchuck : Classical transport theory for the collisional electronic M1 model Physica A, 446, 182-194, (2016) Version .pdf

  24. T.Pichard, D.Aregba, S.Brull, B.Dubroca, M.Franck: Relaxation schemes for the M1 model with space- dependent flux: application to radiotherapy dose calculation Communications in Computational Physics (CICP)., 19, no 1, 168-191, (2016) Version.pdf

  25. S.Guisset, S.Brull, E.d'Humières, B.Dubroca-S.Karpov-I.Potapenko: Asymptotic preserving scheme for the M1 Maxwell system in the quasi-neutral limit Communications in Computational Physics (CICP)., 19, no 2, 301-328, (2016) Version .pdf

    26. 2015

  26. S. Guisset, J.G.Moreau, R.Nuter, S.Brull, E.d'Humières-B.Dubroca-V.T.Tikhonchuk : Limits of the M1 and M2 angular moments models for kinetic plasma physics studies Journal of Physics A: Mathematical and Theoretical, 48, (2015) Version .pdf

  27. J.Mallet, S.Brull, B.Dubroca: General moment system for plasmas physics based on minimum entropy principle Kinetic and Related Models, vol. 8, No.3, 533-558, (2015) Version .pdf

  28. S.Brull, F.Deluzet, A.Mouton: Numerical resolution of an anisotropic non linear diffusion problem Communications in Math Sciences (CMS), vol 13, No 1, 203-224, (2015). Version .pdf

  29. S.Brull: An Ellipsoidal Statistical Model for gas mixtures Communications in Math Sciences (CMS), vol 13, No1, 1-13, (2015) Version .pdf

    30. 2014

  30. S.Brull, J.Schneider: Derivation of a BGK model for reacting gas mixtures Communication in Math Sciences (CMS), vol 12, No7, 1199-1223, (2014). Version .pdf

  31. S.Brull, P.Charrier, L.Mieussens: Kinetic models for nanoflows and boundary conditions for the Boltzmann equation Kinetic and Related Models Vol. 7, No2, 219-251, (2014) Version .pdf

  32. S.Brull, L.Mieussens: Local discrete velocity grids for deterministic rarefied flow simulations J. Comput. Phys., 266 (1), 22-46 (2014) Version .pdf

  33. J.Mallet, S.Brull, B.Dubroca: An entropic scheme for an angular moment model for the classical Fokker-Planck equation of electrons Communications in Computational Physics (CICP)., Vol.15, No. 2, 422-450, (2014) Version .pdf

    34. 2012

  34. S.Brull, V.Pavan, J.Schneider: Derivation of BGK models for mixtures. Eur. J. Mech. B-Fluids., 74-86, (2012) Version .pdf

  35. S.Brull: Ghost effect for vapor-vapor mixtures. Kinetic and Related Models, Vol. 5, no. 1, (2012) Version .pdf

  36. S.Brull, P.Degond, F.Deluzet: Degenerate anisotropic elliptic problems and magnetized plasmas simulations. Communications in Computational Physics (CICP), 11, 147-178, (2012) Version .pdf

    37. 2011

  37. S.Brull, P.Degond, F.Deluzet, A.Mouton: An asymptotic preserving scheme for a bifluid Euler-Lorentz system. Kinetic and Related Models, Vol. 4, no.4, (2011) Version .pdf

    38. 2010

  38. S.Brull : The Boltzmann equation for a two component gas in the slab for different molecular masses. Advances in Differential equations, vol 15, 11-12, (2010) Version .pdf

  39. S.Brull, F.Méhats : Derivation of viscous correction terms for the isothermal quantum Euler model. ZAMM, vol 90, Issue 3, 219-230, (2010) Version .pdf

    40. 2009

  40. S.Brull, J.Schneider : On the Ellipsoidal Statistical Model for polyatomic gases. Cont. Mech. Thermodyn., vol 20, no8, 489-508, (2009) Version .pdf

    41. 2008

  41. S.Brull : Existence of solutions to discrete coagulation-fragmentation equations with transport and diffusion. Annales de la Faculté de Toulouse, vol XVII, n°3, 1-22, (2008) Version .pdf

  42. S.Brull : Two compressible immiscible fluids in porous media: The case where the porosity depends on the pressure. Advances in Differential equations, Vol 13, No 7-8, 781-800, (2008) Version .pdf

  43. S.Brull : Problem of evaporation-condensation for a two component gas in the slab. Kinetic and Related Models, Vol 1, No 2, 185-221, (2008) Version .pdf

  44. S.Brull : The stationary Boltzmann equation for a two component gas for soft forces in a slab. Math.Meth.Appl.Sci., 31, 1653-1666, (2008) Version .pdf

  45. S.Brull, J.Schneider : A new approach of the Ellipsoidal Statistical Model. Cont.Mech.Thermodyn. 20, no.2, 63-74, (2008) Version.pdf

  46. S.Brull : The stationary Boltzmann equation for a two component gas in a slab. Math.Meth.Appl.Sci., no. 31, 153-178, (2008) Version.pdf

    47. 2006

  47. S.Brull, L.Pareschi : Dissipative hydrodynamic models for the diffusion of impurities in a gas. Appl.Math.Lett. 19, no. 6, 516-521, (2006) Version .pdf

Notes au CRAS

  1. S.Brull: Un modèle ES-BGK pour des mélanges de gaz. Comptes rendus - Mathématique, 351, 775-779., (2013) Version .pdf

  2. P.Azérad, S.Brull : Inégalités de Poincaré cinétiques. Comptes Rendus Mathématiques Volume 349, Issues 13-14, 759-763, (2011) Version .pdf

Articles soumis pour publication

  1. D. Aregba, A. Bouharguane, S.Brull : A kinetic discontinuous Galerkin method for the nonconservative bitemperature Euler model Version.pdf

  2. S. Brull, M. Shahine, P. Thieullen: Compactness property of the linearized Boltzmann operator for a mixture of polyatomic gases Version.pdf

  3. S. Brull, V. Pavan, J. Schneider: Derivation and analysis of relaxation operators in kinetic theory Version.pdf

  4. S. Brull, A. Pollino : An ES-BGK model for non polytropic gases with a general framework Version.pdf

Actes de conférences

  1. D.Aregba, S.Brull, X.Lhébrard: Nonconservative hyperbolic system in fluids mechanic ESAIM: Proceedings and survey vol 64, 1-16, (2018)

  2. D.Aregba, S.Brull: Construction and approximation of the bitemperature Euler system Theory, Numerics and Applications of Hyperbolic Problems I, HYP 2016, C. Klingenberg, M. Westdickenberg Eds., Springer Proceedings in Mathematics and Statistics, vol 237, 85-96, (2018)

  3. S.Brull, B. Dubroca, M. Frank, T. Pichard : On the transverse diffusion of beams of photons in radiation therapy Theory, Numerics and Applications of Hyperbolic Problems II, HYP 2016, C. Klingenberg, M. Westdickenberg Eds., Springer Proceedings in Mathematics and Statistics, vol 237, 465-477, (2018)

  4. S.Guisset, D.Aregba, S.Brull, B.Dubroca: Angular M1 model in a moving frame Proceedings of the 30th international symposium on rarefied as dynamics, (2016), 1786, 140103

  5. S.Brull, L.Forestier-Coste, L.Mieussens: Two dimensional local adaptive discrete velocity grids for rarefied flow simulations Proceedings of the 30th international symposium on rarefied as dynamics, (2016), 1786, 180102

  6. S.Brull, B.Dubroca, S.Guisset: Asymptotic preserving numerical scheme for the electronic M1 model in the diffusion limit Proc. 24th Int. Conf. on Transport theory, 45 (6), (2016), 459-470

  7. T.Pichard-G.W.Alldredge, S.Brull, B-Dubroca, M.Frank : The M2 model for dose simulation in radiotherapy, Proc. 24th Int. Conf. on Transport theory, 45 (3), (2016), 174-183

  8. S.Brull, P.Charrier: Boundary conditions for the Boltzmann equation for rough wall Proceedings of the 29th international symposium on rarefied as dynamics, (2014), 1626, 368

  9. S.Brull, L.Mieussens: A numerical adaptative method for solving kinetic equations based on local velocity grids Proceedings of the 29th international symposium on rarefied as dynamics, (2014), 1628, 962

  10. S.Brull, V.Pavan, J.Schneider: A BGK model for gas mixtures Acta Appl. Maths, (2014), 132, 117-125

  11. S.Brull, V.Pavan, J.Schneider: A BGK model for gas mixtures Proceedings of the 28th international symposium on rarefied as dynamics, (2012), 1501, 153

  12. S.Brull, P.Degond, F.Deluzet, A.Mouton: Asymptotic preserving scheme for a two fluid Euler-Lorentz model CEMRACS'10 research achievements: numerical modeling of fusion, EDP Sci., Les Ulis, (2011), 32, 18-22


HDR

Contributions à l'analyse mathématique, à la modélisation et à la simulation de quelques équations cinétiques et fluides.
soutenue le 19 novembre 2012 devant le jury composé de:

R. Abgrall, président du jury
C. Berthon, rapporteur
J.A. Carrillo, rapporteur
P. Charrier, examinateur
L. Desvillettes, rapporteur
B. Dubroca, examinateur
V. Giovangigli, examinateur
L. Mieussens, examinateur
A. Nouri, examinatrice

Mémoire d'HDR

Thèse

Etude cinétique d'un gaz à plusieurs composantes, soutenue le 28 septembre 2006 sous la direction de A. Nouri devant le jury composé de:

Y. Elskens, président du jury
M. Lemou, rapporteur
P. Charrier, rapporteur
L. Pareschi, examinateur
A. Nouri, directrice de thèse

Mémoire de thèse ; Transparents de soutenance