Highlighting boundary condition effects for granular matter flows with numerical simulations

Details Highlighting boundary condition effects for granular matter flows with numerical simulations Highlighting boundary condition effects for granular matter flows with numerical simulations

Oct 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epsc.conf.1835b&link_type=abstract

EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. http://meetings.copernicus.org/epsc-dps2011, p.1835

Computer Science

Scientific paper

Granular matter flows naturally occur on small or large bodies due to gravity. Their simulation allows a better understanding of the dynamics of these bodies. However many numerical simulations operate with periodic boundary conditions for convenience, or with static grain boundaries that do not reproduce the rolling and friction effects expected at the interface. This work not only shows that boundary conditions have a long-range effect within the flow, but that dissipative effects induced by flat walls cannot be neglected compared to using static grain boundaries.

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