English, Article edition: THE FOUR AVALANCHE FRONTS: A TEST CASE FOR GRANULAR SURFACE FLOW MODELING STÃPHANE DOUADY; BRUNO ANDREOTTI; PIERRE CLADÃ; ...

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Physical Description
  • article
Language
  • English

Edition details

Title
  • THE FOUR AVALANCHE FRONTS: A TEST CASE FOR GRANULAR SURFACE FLOW MODELING
Author
  • STÃPHANE DOUADY
  • BRUNO ANDREOTTI
  • PIERRE CLADÃ
  • ADRIAN DAERR
Physical Description
  • article
Notes
  • 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.
  • Avalanche fronts, St Venant equations, granular surface flow, velocity profile, sub-critical bifurcation, inelasticity, non-local shocks, trapping
  • RePEc:wsi:acsxxx:v:04:y:2001:i:04:p:509-522
Language
  • English
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