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Stresses in Smooth Flows of Dense Granular Media
Martin Depken, Jeremy B. Lechman, Martin van Hecke +2
The form of the stress tensor is investigated in smooth, dense granular flows which are generated in split-bottom shear geometries. We find that, within a fluctuation fluidized spa…
Velocity Correlations in Dense Gravity Driven Granular Chute Flow
Oleh Baran, Deniz Ertas, Gary S. Grest +2
We report numerical results for velocity correlations in dense, gravity-driven granular flow down an inclined plane. For the grains on the surface layer, our results are consistent…
Capillary waves at the liquid-vapor interface and the surface tension of water models
Ahmed E. Ismail, Gary S. Grest, Mark J. Stevens
Capillary waves occurring at the liquid-vapor interface of water are studied using molecular dynamics simulations. In addition, the surface tension, determined thermodynamically fr…
Analysis of Granular Flow in a Pebble-Bed Nuclear Reactor
Chris H. Rycroft, Gary S. Grest, James W. Landry +1
Pebble-bed nuclear reactor technology, which is currently being revived around the world, raises fundamental questions about dense granular flow in silos. A typical reactor core is…
Dynamics of Random Packings in Granular Flow
Chris H. Rycroft, Martin Z. Bazant, Gary S. Grest +1
We present a multiscale simulation algorithm for amorphous materials, which we illustrate and validate in a canonical case of dense granular flow. Our algorithm is based on the rec…