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The Four Avalanche Fronts: A Test Case For Granular Surface Flow Modeling

Author

Listed:
  • STÉPHANE DOUADY

    (Laboratoire de Physique Statistique de l'E.N.S., 24 rue Lhomond, F-75005 Paris, France)

  • BRUNO ANDREOTTI

    (Laboratoire de Physique Statistique de l'E.N.S., 24 rue Lhomond, F-75005 Paris, France)

  • PIERRE CLADÉ

    (Laboratoire de Physique Statistique de l'E.N.S., 24 rue Lhomond, F-75005 Paris, France)

  • ADRIAN DAERR

    (Laboratoire de Physique Statistique de l'E.N.S., 24 rue Lhomond, F-75005 Paris, France)

Abstract

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.

Suggested Citation

  • Stéphane Douady & Bruno Andreotti & Pierre Cladé & Adrian Daerr, 2001. "The Four Avalanche Fronts: A Test Case For Granular Surface Flow Modeling," Advances in Complex Systems (ACS), World Scientific Publishing Co. Pte. Ltd., vol. 4(04), pages 509-522.
    • Handle: RePEc:wsi:acsxxx:v:04:y:2001:i:04:n:s0219525901000449
    DOI: 10.1142/S0219525901000449
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