The hierarchical properties of contact networks in granular packings

Details The hierarchical properties of contact networks in granular packings The hierarchical properties of contact networks in granular packings

2005-04-14

arxiv.org/abs/cond-mat/0504359v1

Powders & Grains, H.J. Herrmann and S. McNamara (eds) (Taylor and Francis, London 2005) 37-40.

Physics

Condensed Matter

Soft Condensed Matter

5 pages, 4 figures, Proceedings of Powder and Grains 2005

Scientific paper

The topological structure resulting from the network of contacts between grains (contact network) is studied for very large samples of disorderly-packed monosized spheres with densities ranging from 0.58 to 0.64. The hierarchical organization of such a structure is studied by means of a topological map which starts from a given sphere and moves outwards in concentric shells through the contact network. We find that the topological density of disordered sphere packing is larger than the topological density of equivalent lattice sphere packings.

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