Boundary conditions play important role in the continuum description of granular flows. Check this out for the effective wall friction.
Feed: PRL: Soft Matter, Biological, and Interdisciplinary Physics
Posted on: Wednesday, 7 October 2015 1:00 AM
Author: Riccardo Artoni and Patrick Richard
Subject: Effective Wall Friction in Wall-Bounded 3D Dense Granular Flows
Author(s): Riccardo Artoni and Patrick Richard
We report numerical simulations on granular shear flows confined between two flat but frictional sidewalls. Novel regimes differing by their strain localization features are observed. They originate from the competition between dissipation at the sidewalls and dissipation in the bulk of the flow. Th…
[Phys. Rev. Lett. 115, 158001] Published Tue Oct 06, 2015
View article...<http://link.aps.org/doi/10.1103/PhysRevLett.115.158001>
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