期刊
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
卷 330, 期 1-2, 页码 77-82出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physa.2003.08.023
关键词
Apollonian packings; parking lot model; granular packings; space-filling bearings; three-dimensional packings
Extremely dense granular packings are needed for high resistance concrete or hard ceramics. They can only be realised when the size distribution of grains is strongly polydisperse. Typically power law distributions give the best results. We present a simple packing model for polydisperse distributions, namely a generalized reversible parking lot model. We also discuss the perfect limit of Apollonian packings in three dimensions and show in particular the existence of space filling bearings rotating without slip and without torsion. (C) 2003 Elsevier B.V. All rights reserved.
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