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Driven 2-d granular systems
We study driven 2-dimensional granular systems. Our aim is to further
understand the effects of surface friction on granular systems
interacting on a plane. We focus primarily on two effects: convection,
which is observed in a system which is tilted relative to the driving
direction, and period-doubling.
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Cooling 2-d granular systems
We have also studied two-dimensional cooling granular systems.
We find that interactions with the substrate have a very significant effect
on the dynamics of the system.
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Spatial perturbations in Taylor-Couette flow
Using the Taylor-Couette system as a simple experimental model, we studied
the effects of spatial perturbations in the control parameter on
pattern-forming systems.
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