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

    2025

  1. D. Aregba, A. Bouharguane, S.Brull : A kinetic discontinuous Galerkin method for the nonconservative bitemperature Euler model Commm in Math. Science, 23, (3), (2025) Version.pdf

  2. S. Brull, V. Pavan, J. Schneider: Derivation and analysis of a class of relaxation operators in kinetic theory à paraître dans Journ. Stat. Phys., Version.pdf

  3. S. Brull, A. Pollino : An ES-BGK model for non polytropic gases with a general framework à paraître dans Kinetic and Related Models. Version.pdf

    4. 2024

  4. S.Brull, S.B.Yun: Stationary flows of the ES-BGK model with the correct Prandtl number SIAM J. Math. Anal., 56, (5), 6361-6397, (2024) Version.pdf

  5. S. Brull, D. Kim, M.S. Lee, S.B. Yun: Stationary mixture BGK model with the correct Fick coefficients Journ. Stat. Phys., 191, (6), (2024) Version.pdf

  6. S. Brull, K. Guillon, P. Thieullen: A Fick Law's recovering BGK model for a mixture monoatomic and polyatomic gases Kinetic and Related Models, 17, (6), 914-938, (2024) Version.pdf

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

    8. 2023

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

    9. 2022

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

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

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

    12. 2021

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

  13. 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, (2), 1886-1907, (2021) Version .pdf

  14. 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

    15. 2020

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

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

    17. 2019

  17. D. Aregba, S.Brull: About viscous approximations of the bitemperature Euler system Communications in Math Sciences, Vol. 17, (4), 1135-1147, (2019) Version .pdf

  18. 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, (4), 1097-1126, (2019) Version .pdf

    19. 2018

  19. 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, (4), 821-858, (2018) Version .pdf

  20. 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, (5), 1326-1354 (2018) , Version .pdf

  21. 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

    22. 2017

  22. 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

  23. 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, (1), 71-108, (2017) Version .pdf

  24. 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

    25. 2016

  25. 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

  26. 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

  27. 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

  28. 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

    29. 2015

  29. 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

  30. 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

  31. 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

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

    33. 2014

  33. 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

  34. 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

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

  36. 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

    37. 2012

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

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

  39. 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

    40. 2011

  40. 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

    41. 2010

  41. 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

  42. 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

    43. 2009

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

    44. 2008

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

  45. 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

  46. 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

  47. 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

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

  49. 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

    50. 2006

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