Numerical Modelling of Interaction Between Snow Avalanche and Protective Structures

  • M. Wawra
  • Y. Wang
  • W. Wu
Conference paper
Part of the Springer Series in Geomechanics and Geoengineering book series (SSGG, volume 11)


A numerical study of the interaction between granular flow and an obstacle on an inclined plane is presented. A depth-averaged, two-dimensional Savage-Hutter-type model is used. The underlying differential equations are usually solved by finite difference. The model, which has been proved to perform well for steady granular flow, turns out to be inappropriate for the interaction between granular flow and obstacles. In this paper, the quality of the numerical solution is significantly improved by grid refinement. We make use of the Adaptive Mesh Refinement, where only local grid refinement around the obstacle is needed.


Granular flow Obstacle Savage-Hutter model Finite differences Grid refinement 



We thank the Austrian Science Fund (FWF) for the financial support. We thank S. P. Pudasaini for fruitful discussions.


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Copyright information

© Springer Science+Business Media B.V. 2011

Authors and Affiliations

  • M. Wawra
    • 1
  • Y. Wang
    • 1
  • W. Wu
    • 1
  1. 1.Institut für GeotechnikUniversität für BodenkulturViennaAustria

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