Periodic sedimentation in a Stokesian fluid

Sunghwan Jung, S. E. Spagnolie, K. Parikh, M. Shelley, A. K. Tornberg

Research output: Contribution to journalArticlepeer-review


We study the sedimentation of two identical but nonspherical particles sedimenting in a Stokesian fluid. Experiments and numerical simulations reveal periodic orbits wherein the bodies mutually induce an in-phase rotational motion accompanied by periodic modulations of sedimentation speed and separation distance. We term these "tumbling orbits" and find that they appear over a broad range of body shapes.

Original languageEnglish (US)
Article number035302
JournalPhysical Review E - Statistical, Nonlinear, and Soft Matter Physics
Issue number3
StatePublished - 2006

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Statistics and Probability
  • Condensed Matter Physics


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