Structure Generation and Analysis from the Loosest to the Densest Random Packings
CSIRO Data61, Private Bag 10, Clayton South, VIC 3168, Australia
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Published online: 30 June 2017
We explore sets of jammed packings of frictional spheres and ellipsoids generated using the Discrete Element Method. A novel preparation method is presented and analysed, where the internal structure of the system is modified by iteratively removing grains to generate a continuous variation in packing fraction from the densest to the loosest mechanically stable systems. We present a number of measures quantifying the variation in the structure of the system as grains are removed, including the variation in packing fraction, distribution of grain contact numbers, degree of orientational ordering and the degree of displacements of the grains due to rearrangements to achieve mechanical stability after a grain is removed.
© The Authors, published by EDP Sciences, 2017
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