Title of article :
Surface flows of granular materials: a short introduction to some recent models
Author/Authors :
Aradian، نويسنده , , Achod and Raphaël، نويسنده , , ةlie and de Gennes، نويسنده , , Pierre-Gilles، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2002
Pages :
10
From page :
187
To page :
196
Abstract :
We present a short review of recent theoretical descriptions of flows occuring at the surface of granular piles, and focus mainly on two models: the phenomenological ‘BCRE’ model and the hydrodynamic model, based on Saint-Venant equations. Both models distinguish a ‘static phase’ and a ‘rolling’ phase inside the granular packing and provide coupled equations for the evolutions of the height of each of these phases, which prove similar in both approaches. The BCRE description provides a very intuitive picture of the flow, whereas the Saint-Venant hydrodynamic description establishes a general and rigorous framework for granular flow studies. To cite this article: A. Aradian et al., C. R. Physique 3 (2002) 187–196.
Keywords :
granular materials , avalanches , avalanches , Surface flows , matériaux granulaires , écoulements de surface
Journal title :
Comptes Rendus Physique
Serial Year :
2002
Journal title :
Comptes Rendus Physique
Record number :
2283009
Link To Document :
بازگشت