Stationary States of Two-Dimensional Turbulence
- 10 January 1972
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 28 (2), 82-84
- https://doi.org/10.1103/physrevlett.28.82
Abstract
A class of exact statistical equilibria for the Navier-Stokes equation not including viscosity in two dimensions is noted and the corresponding fluctuation spectrum calculated. These solutions may account for the phenomena recently observed in numerical simulations of two-dimensional turbulence by Deem and Zabusky, including the existence of two distinct regimes of turbulence and the relaxation of one of these towards equipartition of vorticity.Keywords
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