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Jamming in granular hopper flow
James W. Landry, Gary S. Grest
Large-scale three dimensional molecular dynamics simulations of hopper flow are presented. The flow rate of the system is controlled by the width of the aperture at the bottom. As…
Diverse Spreading Behavior of Binary Polymer Nanodroplets
David R. Heine, Gary S. Grest, Edmund B. Webb
Molecular dynamics simulations are used to study the spreading of binary polymer nanodroplets in a cylindrical geometry. The polymers, described by the bead-spring model, spread on…
Surface Wetting of Liquid Nanodroplets
David R. Heine, Gary S. Grest, Edmund B. Webb
The spreading of liquid nanodroplets of different initial radii is studied using molecular dynamics simulation. Results for two distinct systems, Pb on Cu(111), which is no…
Discrete element simulations of stress distributions in silos: crossover from two to three dimensions
James W. Landry, Gary S. Grest, Stephen J. Plimpton
The transition from two-dimensional (2D) to three-dimensional (3D) granular packings is studied using large-scale discrete element computer simulations. We focus on vertical stress…