Hydrodynamics of dense granular systems

Details Hydrodynamics of dense granular systems Hydrodynamics of dense granular systems

2002-03-21

arxiv.org/abs/cond-mat/0203441v1

Proceedings of the SPIE, Vol. 3045, 2 (1997)

Physics

Condensed Matter

Materials Science

10 pages, 7 figures

Scientific paper

The properties of dense granular systems are analyzed from a hydrodynamical point of view, based on conservation laws for the particle number density and linear momentum. We discuss averaging problems associated with the nature of such systems and the peculiarities of the sources of noise. We perform a quantitative study by combining analytical methods and numerical results obtained by ensemble-averaging of data on creep during compaction and molecular dynamics simulations of convective flow. We show that numerical integration of the hydrodynamic equations gives the expected evolution for the time-dependent fields.

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