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The linear stability of a stratified shear flow for smooth density profiles is studied. This work focuses on the nature of the stability boundaries of flows in which both Kelvinâ€“Helmholtz and Holmboeâ€¦ (More)

The steady state of a forced Taylorâ€“Green flow is investigated in a rotating frame of reference. The investigation involves the results of 184 numerical simulations for different Reynolds numbers ReFâ€¦ (More)

The effect of rotation is considered to become important when the Rossby number is sufficiently small, as is the case in many geophysical and astrophysical flows. Here we present direct numericalâ€¦ (More)

- Pablo D. Mininni, Alexandros Alexakis, Annick Pouquet
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2006

The effect of large scales on the statistics and dynamics of turbulent fluctuations is studied using data from high resolution direct numerical simulations. Three different kinds of forcing, andâ€¦ (More)

- Pablo D. Mininni, Alexandros Alexakis, Annick Pouquet
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2005

We study the transfer of energy between different scales for forced three-dimensional magnetohydrodynamics turbulent flows in the kinematic dynamo regime. Two different forces are examined: aâ€¦ (More)

- Alexandros Alexakis, Pablo D. Mininni, Annick Pouquet
- Physical review letters
- 2005

We investigate the locality of interactions in hydrodynamic turbulence using data from a direct numerical simulation on a grid of 1024(3) points; the flow is forced with the Taylor-Green vortex. Anâ€¦ (More)

We investigate a model of thin layer turbulence that follows the evolution of the two-dimensional motions u2D(x, y) along the horizontal directions (x, y) coupled to a single Fourier mode along theâ€¦ (More)

- Alexandre Cameron, Alexandros Alexakis
- Physical review letters
- 2016

At the heart of today's solar magnetic field evolution models lies the alpha dynamo description. In this work, we investigate the fate of alpha dynamos as the magnetic Reynolds number Rm isâ€¦ (More)

- Pablo D. Mininni, Alexandros Alexakis, Annick Pouquet
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2008

We analyze the data stemming from a forced incompressible hydrodynamic simulation on a grid of 2048(3) regularly spaced points, with a Taylor Reynolds number of R(lambda) ~ 1300. The forcing is givenâ€¦ (More)

The nature of the interactions between different scales in magnetohydrodynamic (MHD) turbulence is important for the understanding of the behaviour of magnetized astrophysical, geophysical andâ€¦ (More)