Compaction of granular materials: experiments and contact dynamics simulations

Lumay, Geoffroy; Ludewig, François; Vandewalle, Nicolas

doi:10.1088/1742-6596/40/1/017

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Compaction of granular materials: experiments and contact dynamics simulations

Lumay, Geoffroy; Ludewig, François; Vandewalle, Nicolas

2006 • In Journal of Physics. Conference Series, 40, p. 133

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https://hdl.handle.net/2268/70676

DOI
10.1088/1742-6596/40/1/017

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Keywords :

Granular; Compaction

Abstract :

[en] We present an original experimental study of the slow compaction dynamics for two- dimensional isotropic granular systems. Compaction dynamics is measured at three diﬀerent scales : the macroscopic scale through the normalized packing fraction ˜ ρ, the mesoscopic scale through the normalized fraction ˜ φ of domains ideally ordered in the system, and the microscopic scale through the grain mobility μ. The domains ideally ordered are found to obey a growth process dominated by the displacement of domain boundaries. We present also preliminary results of three-dimensional simulations with a model of contact dynamics. These results allow to discuss the diﬀerence between the two-dimensional and the three-dimensional cases.

Disciplines :

Physics

Author, co-author :

Lumay, Geoffroy ; Université de Liège - ULiège > Département de physique > Physique statistique

Ludewig, François ; Université de Liège - ULiège > Département de physique > Physique statistique

Vandewalle, Nicolas ; Université de Liège - ULiège > Département de physique > Physique statistique

Language :

English

Title :

Compaction of granular materials: experiments and contact dynamics simulations

Publication date :

2006

Event name :

Statistical Physics of Ageing Phenomena and the Glass Transition

Event place :

Luxembourg, Luxembourg

Event date :

2005

Audience :

International

Journal title :

Journal of Physics. Conference Series

ISSN :

1742-6588

eISSN :

1742-6596

Publisher :

IOP Publishing Ltd

Volume :

Pages :

133

Peer reviewed :

Peer Reviewed verified by ORBi

Additional URL :

http://iopscience.iop.org/1742-6596/40/1/017

Available on ORBi :

since 30 August 2010

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