Geoscientific Model Development
Geoscientific Model Development
GMD
Articles | Volume 12, issue 1
Articles | Volume 12, issue 1
https://doi.org/10.5194/gmd-12-581-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-12-581-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 12, issue 1
Model description paper
 | 
01 Feb 2019
Model description paper |  | 01 Feb 2019

IMEX_SfloW2D 1.0: a depth-averaged numerical flow model for pyroclastic avalanches

Mattia de' Michieli Vitturi, Tomaso Esposti Ongaro, Giacomo Lari, and Alvaro Aravena

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Short summary
Pyroclastic avalanches are a type of granular flow generated at active volcanoes by different mechanisms, including the collapse of steep pyroclastic deposits (e.g., scoria and ash cones) and fountaining during moderately explosive eruptions. We present IMEX_SfloW2D, a depth-averaged flow model describing the granular mixture as a single-phase granular fluid. Benchmark cases and preliminary application to the simulation of the 11 February pyroclastic avalanche at Mt. Etna (Italy) are shown.
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