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Simulation of Drucker–Prager granular flows inside Newtonian fluids

Gilles Daviet 1 Florence Bertails-Descoubes 1
1 BIPOP - Modelling, Simulation, Control and Optimization of Non-Smooth Dynamical Systems
Inria Grenoble - Rhône-Alpes, Grenoble INP - Institut polytechnique de Grenoble - Grenoble Institute of Technology, LJK - Laboratoire Jean Kuntzmann
Abstract : Granular-fluid interactions appear in a variety of real-life scenarios ranging from immersed avalanches to ash clouds. We present a continuum-based numerical method for the simulation of such phenomena. Our approach avoids the heavy computational cost inherent to a fluid-solid coupling at the grain scale, while still being able to capture the distinctive regimes governing the collapse of an immersed granular column. To the best of our knowledge, the method presented here is the first to combine fully-coupled two-phase equations for immersed granular flows with an implicit nonsmooth treatment of the Drucker–Prager rheology.
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Submitted on : Monday, February 13, 2017 - 9:31:20 AM
Last modification on : Wednesday, November 3, 2021 - 7:51:31 AM
Long-term archiving on: : Sunday, May 14, 2017 - 12:17:06 PM


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  • HAL Id : hal-01458951, version 1



Gilles Daviet, Florence Bertails-Descoubes. Simulation of Drucker–Prager granular flows inside Newtonian fluids. 2017. ⟨hal-01458951⟩



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