THE FOUR AVALANCHE FRONTS: A TEST CASE FOR GRANULAR SURFACE FLOW MODELING

Granular surface flows have still to be fully modelled. Here, we present the four types of front that can be observed in avalanches. These strongly inhomogeneous and unsteady flows are very sensitive test cases for the different types of model. We show that, at least qualitatively for the moment, the model we propose, based on the analysis of the motion of a single grain and layers of grains, can reproduce the different characteristics of these four fronts.

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Year of publication:	2001
Authors:	DOUADY, STÉPHANE ; ANDREOTTI, BRUNO ; CLADÉ, PIERRE ; DAERR, ADRIAN
Published in:	Advances in Complex Systems (ACS). - World Scientific Publishing Co. Pte. Ltd., ISSN 1793-6802. - Vol. 04.2001, 04, p. 509-522
Publisher:	World Scientific Publishing Co. Pte. Ltd.
Subject:	Avalanche fronts \| St Venant equations \| granular surface flow \| velocity profile \| sub-critical bifurcation \| inelasticity \| non-local shocks \| trapping

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Extent:	application/pdf text/html
Type of publication:	Article
Source:	RePEc - Research Papers in Economics

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