Nonshielded multipolar vortices at high Reynolds number

LA Barba

Research output: Contribution to journalArticle (Academic Journal)peer-review

5 Citations (Scopus)


Vortex multipoles-consisting of a core of vorticity closely surrounded by several smaller vorticity concentrations of opposite sign-are obtained from the evolution of vorticity in two-dimensional simulations. Using a meshless vortex method, we obtained triangular and square vortices, surrounded by three and four satellites, respectively. These structures have only been observed before to emerge from zero-circulation initial conditions. We also observed a pentagon vortex. Here, we obtain compound vortices of nonzero total circulation, and suggest a gamut of multipolar asymptotic solutions to the Navier-Stokes equations.
Translated title of the contributionNonshielded multipolar vortices at high Reynolds number
Original languageEnglish
Article numberArt no 065303 Part 2
Pages (from-to)1 - 4
Number of pages4
JournalPhysical Review E: Statistical, Nonlinear, and Soft Matter Physics
Volume73 (6, 065303)
Publication statusPublished - Jun 2006

Bibliographical note

Publisher: American Physical Soc


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