Structure and distribution of arches in shaken hard sphere deposits

Details Structure and distribution of arches in shaken hard sphere deposits Structure and distribution of arches in shaken hard sphere deposits

2003-07-18

arxiv.org/abs/cond-mat/0307477v2

Physica A, 337, 428-442 (2004)

Physics

Condensed Matter

Soft Condensed Matter

20 pages, 5 figures

Scientific paper

10.1016/j.physa.2004.02.004

We investigate the structure and distribution of arches formed by spherical, hard particles shaken in an external field after they come to rest. Arches (or bridges) are formed during a computer-simulated, non-sequential deposition of the spheres after each shaking cycle. We identify these arches by means of a connectivity criterion and study their structural characteristics and spatial distribution. We find that neither the size distribution nor the shape of the arches is strongly affected by the packing fraction of the deposit. Conversely, the spatial distribution and orientation of the bridges do depend on the volume fraction occupied by the spheres.

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