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A molecular dynamics "Maxwell Demon" experiment for granular mixtures
A. Barrat, E. Trizac
We report a series of molecular dynamics simulations and investigate the possibility to separate a granular mixture of inelastic hard spheres by vigorously shaking it in a box made…
Molecular dynamics simulations of vibrated granular gases
Alain Barrat, Emmanuel Trizac
We present molecular dynamics simulations of mono- or bidisperse inelastic granular gases driven by vibrating walls, in two dimensions (without gravity). Because of the energy inje…
Fluctuation-Dissipation Ratio for Compacting Granular Media
Alain Barrat, Vittoria Colizza, Vittorio Loreto
In this paper we investigate the possibility of a dynamical definition of an effective temperature for compacting granular media in the framework of the Fluctuation-Dissipation (FD…
Lack of energy equipartition in homogeneous heated binary granular mixtures
A. Barrat, E. Trizac
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 kine…