On the Boltzmann equation for diffusively excited granular media

IM Gamba, V Panferov, C Villani - Communications in Mathematical …, 2004 - Springer
We study the Boltzmann equation for a space-homogeneous gas of inelastic hard spheres,
with a diffusive term representing a random background forcing. Under the assumption that …

Lack of energy equipartition in homogeneous heated binary granular mixtures

A Barrat, E Trizac - Granular Matter, 2002 - Springer
We consider the problem of determining the granular temperatures of the components of a
homogeneous binary heated mixture of inelastic hard spheres, in the framework of Enskog …

Moment inequalities and high-energy tails for Boltzmann equations with inelastic interactions

AV Bobylev, IM Gamba, VA Panferov - Journal of Statistical Physics, 2004 - Springer
We study high-energy asymptotics of the steady velocity distributions for model kinetic
equations describing various regimes in dilute granular flows. The main results obtained are …

Spectral-Lagrangian methods for collisional models of non-equilibrium statistical states

IM Gamba, SH Tharkabhushanam - Journal of Computational Physics, 2009 - Elsevier
We propose a new spectral Lagrangian based deterministic solver for the non-linear
Boltzmann transport equation (BTE) in d-dimensions for variable hard sphere (VHS) …

Forcing and velocity correlations in a vibrated granular monolayer

A Prevost, DA Egolf, JS Urbach - Physical review letters, 2002 - APS
The role of forcing on the dynamics of a vertically shaken granular monolayer is
investigated. Using a flat plate, surprising negative velocity correlations are measured. A …

Velocity distributions in dissipative granular gases

JS Van Zon, FC MacKintosh - Physical review letters, 2004 - APS
Motivated by recent experiments reporting non-Gaussian velocity distributions in driven
dilute granular materials, we study by numerical simulation the properties of 2D inelastic …

Randomly driven granular fluids: Collisional statistics and short scale structure

I Pagonabarraga, E Trizac, TPC Van Noije, MH Ernst - Physical Review E, 2001 - APS
We present a molecular-dynamics and kinetic theory study of granular material, modeled by
inelastic hard disks, fluidized by a random driving force. The focus is on collisional averages …

The dynamics of thin vibrated granular layers

P Melby, FV Reyes, A Prevost… - Journal of Physics …, 2005 - iopscience.iop.org
We describe a series of experiments and computer simulations on vibrated granular media
in a geometry chosen to eliminate gravitationally induced settling. The system consists of a …

Transport coefficients of a heated granular gas

V Garzó, JM Montanero - Physica A: Statistical Mechanics and its …, 2002 - Elsevier
The Navier–Stokes transport coefficients of a granular gas are obtained from the Chapman–
Enskog solution to the Boltzmann equation. The granular gas is heated by the action of an …

Velocity distributions of granular gases with drag and with long-range interactions

K Kohlstedt, A Snezhko, MV Sapozhnikov, IS Aranson… - Physical review …, 2005 - APS
We study velocity statistics of electrostatically driven granular gases. For two different
experiments,(i) nonmagnetic particles in a viscous fluid and (ii) magnetic particles in air, the …