We study a set of nonlinear diffusion equations describing the evolution of densely packed particles under gravity subject to random vibrations. Although the thermodynamics of the model predicts no phase separation at all, the dynamics displays both normal and reverse segregation depending on the mass of the species present in the system. (C) 2003 Elsevier B.V. All rights reserved.
A nonlinear diffusion model for granular segregation
SELLITTO, Mauro
2003
Abstract
We study a set of nonlinear diffusion equations describing the evolution of densely packed particles under gravity subject to random vibrations. Although the thermodynamics of the model predicts no phase separation at all, the dynamics displays both normal and reverse segregation depending on the mass of the species present in the system. (C) 2003 Elsevier B.V. All rights reserved.File in questo prodotto:
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