Mathematical modelling of the kinematics of a sub-cluster of salft particles in a spinning spreader disk
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AuthorMacías Vera, Paula
The kinematics of the flow of rock salt on a spreader disk is observed in full scale from movies recorded with a high speed camera and modelled by a novel kinematic shape function that includes a radial scaling function that can be successfully defined from three parameters. The motion of the particles in the clase neighbourhood of the vane is modelled as a sub-cluster flow that implicitly incorporate the non-stationary flow complexities due to sliding, rolling and repositioning of the particles. The incremental prediction of the motion is based on the Newmark constant average acceleration method.