Numerical calculation of the interaction of superfluid vortices and a rigid sphere

Demosthenes Kivotides, Carlo F. Barenghi, Yuri A. Sergeev

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

We implement a method for the calculation of the effects of a solid sphere on the dynamics of superfluid vortices. We present in detail the derivation of the mathematical formulae used in a computational algorithm which avoids numerical singularities, as well as an adaptive algorithm for convergence tests and diagnostics of the method's accuracy.

Original languageEnglish
Pages (from-to)121-134
Number of pages14
JournalJournal of Low Temperature Physics
Volume144
Issue number4
DOIs
Publication statusPublished - 30 Sep 2006

Keywords

  • flow visualization
  • multiphase superfluid flow
  • numerical calculations
  • particle image velocimetry
  • superfluids
  • vortex-structure interaction

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