Granular Flow - Application
Non-circular particles on a shaking plate
Most numerical simulations of granular flow have been conducted using
circular or spherical particles. However, particles present in real-world
applications have generally much more complex shapes.
To examine the influence of shape on granular flows, the discrete
element method has been applied to mixtures of particles with the
following super-quadrics form:
The super-quadrics family of shapes captures most of the essential
features of real particle shapes, including elongation (determined by the
aspect ratio b/a) and sharpness (determined by the indices n,
m).
The exchange of angular momentum plays a significant role in the
dynamics of collisions between non-circular particles. This is illustrated
in a relatively simple example of the movement of particles on a
vertically oscillating flat plate.
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