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2006.40: Granular Vacua

2006.40: AJ Hogg, JMNT Gray and X Cui (2005) Granular Vacua. In: R. Garcia-Rojo, H.J. Herrmann and S. McNamara, (eds). Powders and Grains 2005. A.A. Balkema, Rotterdam, pp. 929-933. ISBN 041538348X

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A continuum model of channelized free-surface granular flow is developed to calculate the rate at which it expands into an initially grain-free region when lateral constraints are removed. The spreading is driven by cross-stream pressure gradients and resisted by basal drag. The boundary between the granular vacuum and the flowing grains is eluciadated both in the near and far fields.

Item Type:Book Section
Subjects:MSC 2000 > 35 Partial differential equations
MSC 2000 > 70 Mechanics of particles and systems
MSC 2000 > 74 Mechanics of deformable solids
MSC 2000 > 86 Geophysics
MIMS number:2006.40
Deposited By:Dr JMNT Gray
Deposited On:24 March 2006

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