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Coherent vortex structures and 3D enstrophy cascade
Coherent vortex structures 3D enstrophy cascade
2011/8/22
Abstract: Existence of 2D enstrophy cascade in a suitable mathematical setting, and under suitable conditions compatible with 2D turbulence phenomenology, is known both in the Fourier and in the physi...
Nonlinear Waves and Coherent Vortex Structures in Barotropic β-plane Jets
Nonlinear Waves Barotropic β-plane Jets Coherent Vortex Structures
2009/1/8
We examine the nonlinear evolution of barotropic β-plane jets on a periodic domain with a pseudospectral. A calculation of the linear growth rate yields an infected U-shaped curve on the β versus k0 p...