Journal of Applied Mathematics and Mechanics (about journal) Journal of Applied
Mathematics and Mechanics

Russian Academy of Sciences
 Founded
in January 1936
(Translated from 1958)
Issued 6 times a year
ISSN 0021-8928
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IssuesArchive of Issues2011-2pp.227-234

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L.G. Kurakin, "The stability of the steady rotation of a system of three equidistant vortices outside a circle," J. Appl. Math. Mech. 75 (2), 227-234 (2011)
Year 2011 Volume 75 Issue 2 Pages 227-234
Title The stability of the steady rotation of a system of three equidistant vortices outside a circle
Author(s) L.G. Kurakin (Rostov-on-Don, Russia, kurakin@math.rsu.ru)
Abstract A complete non-linear analysis of the stability of the steady rotation of three point vortices, placed in a plane at the vertices of a regular triangle outside a circular domain is carried out using the results of the Kolmogorov-Arnold-Moser theory. All the resonances of up to fourth order inclusive encountered here are listed and studied. The investigations of Havelock who solved this problem in a linear formulation are thereby completed.
Received 27 July 2009
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