Some observations on the random packing of hard ellipsoids

P. M. Chaikin, Aleksandar Donev, Weining Man, Frank H. Stillinger, Salvatore Torquato

Research output: Contribution to journalArticlepeer-review

88 Scopus citations


Recent studies of random packing of ellipsoids show a cusplike increase in the packing density as the aspect ratio deviates from 1 (spheres) followed by a maximum and then a strong density decrease at a higher aspect ratio. We introduce a simple one-dimensional model, the "Paris" parking problem with ellipses randomly oriented along a curb, with many of the same features. Our results suggest that the cusp results from approaching a terminal (jammed) random state, the density increase results from relaxing a parameter constraint (orientation or size of a particle) in the random packing, and the density decrease results from excluded volume effects. We also discuss the isostatic conjecture for strict and local jamming.

Original languageEnglish (US)
Pages (from-to)6960-6965
Number of pages6
JournalIndustrial and Engineering Chemistry Research
Issue number21
StatePublished - Oct 11 2006

All Science Journal Classification (ASJC) codes

  • General Chemistry
  • General Chemical Engineering
  • Industrial and Manufacturing Engineering


Dive into the research topics of 'Some observations on the random packing of hard ellipsoids'. Together they form a unique fingerprint.

Cite this