Tomographic analysis of jammed ellipsoid packings

  • Schaller F
  • Neudecker M
  • Saadatfar M
 et al. 
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Abstract

Disordered packings of ellipsoidal particles are an important model for disordered granular matter. Here we report a way to determine the average contact number of ellipsoid packings from tomographic analysis. Tomographic images of jammed ellipsoid packings prepared by vertical shaking of loose configurations are recorded and the positions and orientations of the ellipsoids are reconstructed. The average contact number can be extracted from a contact number scaling (CNS) function. The size of the particles, that may vary due to production inaccuracies, can also be determined by this method. © 2013 AIP Publishing LLC.

Author-supplied keywords

  • Contact numbers
  • Ellipsoids
  • Granular matter
  • Tomography

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Authors

  • Fabian M. Schaller

  • Max Neudecker

  • Mohammad Saadatfar

  • Gary Delaney

  • Klaus Mecke

  • Gerd E. Schröder-Turk

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