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Volume Fluctuations and Geometrical Constraints in Granular Packs

Aste, Tomaso


I study the structural organization and correlations in very large packings of equally sized spheres, reconstructed in three dimensions with x-ray computed tomography. I show that the geometrical structure can be conveniently studied as a packing of irregular tetrahedra with volume distribution that must decay exponentially with parameters controlled by the conditions of mechanical stability, nonoverlapping, and space filling. I argue that the system’s structure can be described as...[Show more]

CollectionsANU Research Publications
Date published: 2006
Type: Journal article
Source: Physical Review Letters
DOI: 10.1103/PhysRevLett.96.018002


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