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Whether the two-dimensional Eulerian turbulence evolves to a unique final state

type de publication      article dans une revue internationale avec comité de lecture
date de publication 2002
auteur(s) Pavlov Vadim; Buisine Daniel; Decossin Stéphane
journal Physics of fluids
volume (numéro) vol. 14 - n° 11
résumé The relaxation of two-dimensional (2-D) Eulerian to a quasifinal state is studied. We consider the self-organization of localized (in two-dimensional flows) in to clusterlike and spiral-like structures and show that quasifinal states do not "forget" conditions of their initial origin. The numerical study confirms a possibility of the "vortex crystals" formation that have been observed in the plasma experiments. We discuss the physical significance of the obtained results.
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