Analysis of Granular Chute Flow Based on a Particle Model Including Uncertainties

  • F. Fleissner
  • T. Haag
  • M. Hanss
  • P. Eberhard
Part of the Lecture Notes in Applied and Computational Mechanics book series (LNACM, volume 58)


In alpine regions human settlements and infrastructure are at risk to be hit by landslides or other types of geological flows. This paper presents a new approach that can aid the design of protective constructions. An uncertainty analysis of the flow around a debris barrier is carried out using a chute flow laboratory model of the actual debris flow. A series of discrete element simulations thereby serves to assess barrier designs. In this study, the transformation method of fuzzy arithmetic is used to investigate the influence of epistemically uncertain model parameters. It turns out that parameter and modeling uncertainties can have a tremendous influence on the predicted efficiency of protective structures.


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© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • F. Fleissner
    • 1
  • T. Haag
    • 2
  • M. Hanss
    • 2
  • P. Eberhard
    • 1
  1. 1.Institute of Engineering and Computational MechanicsUniversity of StuttgartStuttgartGermany
  2. 2.Institute of Applied and Experimental MechanicsUniversity of StuttgartStuttgartGermany

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