On variational principles for coherent vortex structures

B.W. van de Fliert, E. van Groesen

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    Different approaches are discussed of variational principles characterizing coherent vortex structures in two-dimensional flows. Turbulent flows seem to form ordered structures in the large scales of the motion and the self-organization principle predicts asymptotic states realizing an extremal value of the energy or a minimum of enstrophy. On the other hand the small scales take care of the increase of entropy, and asymptotic results can be obtained by applying the theory of equilibrium statistical mechanics.
    Original languageEnglish
    Pages (from-to)399-403
    Number of pages5
    JournalApplied scientific research
    Issue number1-2
    Publication statusPublished - 1993
    Event4th European Turbulence Conference, ETC IV 1992 - Delft, Netherlands
    Duration: 30 Jun 19923 Jul 1992
    Conference number: 1992


    • METIS-140937
    • IR-30297


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