Mesoscopic Theory of Granular Fluids
Preprint
- 9 June 1997
Abstract
Using fluctuating hydrodynamics we describe the slow build-up of long range spatial correlations in a freely evolving fluid of inelastic hard spheres. In the incompressible limit, the behavior of spatial velocity correlations (including $r^{-d}$-behavior) is governed by vorticity fluctuations only and agrees well with two-dimensional simulations up to 50 to 100 collisions per particle. The incompressibility assumption breaks down beyond a distance that diverges in the elastic limit.Keywords
All Related Versions
- Version 1, 1997-06-09, ArXiv
- Published version: Physical Review Letters, 79 (3), 411.
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