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Displaying 81 – 100 of 101

Solutions globales du problème de Cauchy pour l'équation de Boltzmann

Patrick Gérard (1987/1988)

Séminaire Bourbaki

Spectral methods for one-dimensional kinetic models of granular flows and numerical quasi elastic limit

Giovanni Naldi, Lorenzo Pareschi, Giuseppe Toscani (2003)

ESAIM: Mathematical Modelling and Numerical Analysis - Modélisation Mathématique et Analyse Numérique

In this paper we introduce numerical schemes for a one-dimensional kinetic model of the Boltzmann equation with dissipative collisions and variable coefficient of restitution. In particular, we study the numerical passage of the Boltzmann equation with singular kernel to nonlinear friction equations in the so-called quasi elastic limit. To this aim we introduce a Fourier spectral method for the Boltzmann equation [25, 26] and show that the kernel modes that define the spectral method have the correct...

Spectral methods for one-dimensional kinetic models of granular flows and numerical quasi elastic limit

Giovanni Naldi, Lorenzo Pareschi, Giuseppe Toscani (2010)

ESAIM: Mathematical Modelling and Numerical Analysis

In this paper we introduce numerical schemes for a one-dimensional kinetic model of the Boltzmann equation with dissipative collisions and variable coefficient of restitution. In particular, we study the numerical passage of the Boltzmann equation with singular kernel to nonlinear friction equations in the so-called quasi elastic limit. To this aim we introduce a Fourier spectral method for the Boltzmann equation [CITE] and show that the kernel modes that define the spectral method have the correct...

Sur les mouvements tridimensionnels d'un gaz parfait.

K. Voronjec (1971)

Publications de l'Institut Mathématique [Elektronische Ressource]

Sur un modèle de type Borgnakke—Larsen conduisant à des lois d'énergie non linéaires en température pour les gaz parfaits polyatomiques

Laurent Desvillettes (1997)

Annales de la Faculté des sciences de Toulouse : Mathématiques

Symmetry extensions and their physical reasons in the kinetic and hydrodynamic plasma models.

Taranov, Volodymyr B. (2008)

SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]

The Boltzmann-Enskog equation with large data; wellposedness and regularity

Leif Arkeryd (1989)

Journées équations aux dérivées partielles

The Exact Analytical Solution for the Gas Lubricated Bearing in the Slip and Continuum Flow Regime

Nevena D. Stevanović, Vladan D. Djordjević (2012)

Publications de l'Institut Mathématique

The grazing collisions asymptotics of the non cut-off Kac equation

G. Toscani (1998)

ESAIM: Mathematical Modelling and Numerical Analysis - Modélisation Mathématique et Analyse Numérique

The initial value problem for nonlinear Boltzmann equation

Jan Kyncl (1981)

Aplikace matematiky

The parabolic-parabolic Keller-Segel equation

Kleber Carrapatoso (2014/2015)

Séminaire Laurent Schwartz — EDP et applications

I present in this note recent results on the uniqueness and stability for the parabolic-parabolic Keller-Segel equation on the plane, obtained in collaboration with S. Mischler in [11].

The pressure of the two dimensional Coulomb gas at low and intermediate temperatures

F. Nicolò, J. Renn, A. Steinmann (1986)

Annales de l'I.H.P. Physique théorique

The stationary Boltzmann equation in $ℝ^{n}$ with given indata

Leif Arkeryd, Anne Nouri (2002)

Annali della Scuola Normale Superiore di Pisa - Classe di Scienze

An $L^{1}$ -existence theorem is proved for the nonlinear stationary Boltzmann equation for soft and hard forces in $ℝ^{n}$ with given indata on the boundary, when the collision operator is truncated for small velocities.

The stationary Boltzmann equation in the slab with given weighted mass for hard and soft forces

Leif Arkeryd, Anne Nouri (1998)

Annali della Scuola Normale Superiore di Pisa - Classe di Scienze

Theory of Dilute Binary Granular Gas Mixtures

D. Serero, S. H. Noskowicz, I. Goldhirsch (2010)

Mathematical Modelling of Natural Phenomena

A computer-aided method for accurately carrying out the Chapman-Enskog expansion of the Boltzmann equation, including its inelastic variant, is presented and employed to derive a hydrodynamic description of a dilute binary mixture of smooth inelastic spheres. Constitutive relations, formally valid for all physical values of the coefficients of restitution, are calculated by carrying out the pertinent Chapman-Enskog expansion to sufficient high orders in the Sonine polynomials to ensure numerical...