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Publications Influence

Derivation of viscous correction terms for the isothermal quantum Euler model

The aim of this paper is to compute viscous correction terms for the isothermal quantum Euler system of Degond, Gallego, M ehats (SIAM Multiscale Model Simul.,6, 2007). We derive this model by using… Expand

46 9- PDF

Derivation of a BGK model for mixtures

- S. Brull, V. Pavan, J. Schneider
- Physics
- 1 May 2012

The aim of this article is to construct a BGK operator for gas mixtures starting from the true Navier-Stokes equations. That is the ones with transport coefficients given by the hydrodynamic limit of… Expand

41 2

A new approach for the ellipsoidal statistical model

- S. Brull, J. Schneider
- Mathematics
- 19 April 2008

In this paper we aim to introduce a systematic way to derive relaxation terms for the Boltzmann equation based on the minimization problem for the entropy under moments constraints (Levermore in J.… Expand

31 2- PDF

An Approximation of the $$M_2$$M2 Closure: Application to Radiotherapy Dose Simulation

- T. Pichard, G. Alldredge, S. Brull, B. Dubroca, M. Frank
- Mathematics, Computer Science
- J. Sci. Comput.
- 1 April 2017

TLDR

11 2- PDF

General moment system for plasma physics based on minimum entropy principle

- J. Mallet, S. Brull, B. Dubroca
- Physics
- 1 June 2015

In plasma physics domain, the electrons transport can be described from kinetic and hydrodynamical models. Both methods present disadvantages and thus cannot be considered in practical computations… Expand

16 2- PDF

Dissipative hydrodynamic models for the diffusion of impurities in a gas

- S. Brull, L. Pareschi
- Mathematics, Computer Science
- Appl. Math. Lett.
- 22 December 2004

TLDR

11 1- PDF

An Entropic Scheme for an Angular Moment Model for the Classical Fokker-Planck-Landau Equation of Electrons

- J. Mallet, S. Brull, B. Dubroca
- Physics
- 1 February 2014

In plasma physics domain, the electron transport is described with the Fokker-Planck-Landau equation. The direct numerical solution of the kinetic equation is usually intractable due to the large… Expand

17 1- PDF

An ellipsoidal statistical model for gas mixtures

- S. Brull
- Mathematics
- 2015

In this paper, we propose a construction of a new BGK model generalizing the Ellipsoidal Statistical Model ([2], [19]) to the context of gas mixtures. The derivation of the model is based on the… Expand

25 1- PDF

Modelling and Numerical Approximation for the Nonconservative Bitemperature Euler Model

- D. Aregba-Driollet, J. Breil, S. Brull, B. Dubroca, Élise Estibals
- Mathematics
- 1 July 2018

This paper is devoted to the study of the nonconservative bitemperature Euler system. We firstly introduce an underlying two species kinetic model coupled with the Poisson equation. The bitemperature… Expand

8 1- PDF

On the Chapman-Enskog asymptotics for a mixture of monoatomic and polyatomic rarefied gases

- C. Baranger, M. Bisi, S. Brull, L. Desvillettes
- Mathematics
- 13 April 2018

In this paper, we propose a formal derivation of the Chapman-Enskog asymptotics for a mixture of monoatomic and polyatomic gases. We use a direct extension of the model devised in [ 8 , 16 ] for… Expand

9 1- PDF