Brigham Young University BYU ScholarsArchive 4th International Congress on Environmental International Congress on Environmental Modelling and Software - Barcelona, Catalonia, Modelling and Software Spain - July 2008 Jul 1st, 12:00 AM Rheological Behaviour of Volcanic Granular Flows K. Kelfoun Follow this and additional works at: https://scholarsarchive.byu.edu/iemssconference Kelfoun, K., "Rheological Behaviour of Volcanic Granular Flows" (2008). International Congress on Environmental Modelling and Software. 281. https://scholarsarchive.byu.edu/iemssconference/2008/all/281 This Event is brought to you for free and open access by the Civil and Environmental Engineering at BYU ScholarsArchive. It has been accepted for inclusion in International Congress on Environmental Modelling and Software by an authorized administrator of BYU ScholarsArchive. For more information, please contact
[email protected],
[email protected]. iEMSs 2008: International Congress on Environmental Modelling and Software Integrating Sciences and Information Technology for Environmental Assessment and Decision Making 4th Biennial Meeting of iEMSs, http://www.iemss.org/iemss2008/index.php?n=Main.Proceedings M. Sànchez-Marrè, J. Béjar, J. Comas, A. Rizzoli and G. Guariso (Eds.) International Environmental Modelling and Software Society (iEMSs), 2008 Rheological Behaviour of Volcanic Granular Flows K. Kelfoun 1. IRD - Instituto Geofisico, Escuela Politecnica Nacional, Quito, Ecuador 2. Laboratoire Magmas et Volcans - Université Blaise Pascal, CNRS, IRD – OPGC, 5 rue Kessler, 63038 Clermont-Ferrand, France (
[email protected]) Abstract Numerical simulations of volcanic granular flows are increasingly being used for hazard assessment on volcanoes and appear to be essential for future hazard mitigation. A potential problem of such an approach, however, is that the rheological behaviour of such flows is very complex and currently impossible to describe fully from a physical point of view.