MULTI-PARTICLE STRUCTURES IN NON-SEQUENTIALLY REORGANIZED HARD SPHERE DEPOSITS

Luis A. Pugnaloni, G. C. Barker and Anita Mehta
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Luis A. Pugnaloni: Instituto de Fisica de Liquidos y Sistemas Biologicos, UNLP-CONICET, Casilla de correo 565, 1900 La Plata, Argentina
G. C. Barker: Institute of Food Research, Norwich Research Park, Colney, Norwich NR4 7UA, UK
Anita Mehta: S N Bose National Centre for Basic Sciences, Block JD Sector III Salt Lake, Calcutta 700 098, India

Advances in Complex Systems (ACS), 2001, vol. 04, issue 04, 289-297

Abstract: We have examined extended structures, bridges and arches, in computer generated, non-sequentially stabilized, hard sphere deposits. The bridges and arches have well-defined distributions of sizes and shapes. The distribution functions reflect the contraints associated with hard particle packing and the details of the restructuring process. A subpopulation of string-like bridges has been identified. Bridges are fundamental microstructural elements in real granular systems and their sizes and shapes dominate considerations of structural properties and flow instabilities such as jamming.

Keywords: Granular materials; shaking; bridge structures (search for similar items in EconPapers)
Date: 2001
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DOI: 10.1142/S0219525901000267

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