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physics.flu-dyn2026
The dynamical role of vortices in the two-dimensional inverse cascade of turbulence
V. J. Valadão, R. M. Pereira, L. Moriconi +1
We study the inverse energy cascade of two-dimensional turbulence by means of high-resolution numerical simulations forced at intermediate wavenumbers. To clarify the role of vorti…
physics.ao-ph2026
Growth of small localized perturbations in Surface Quasi-Geostrophic turbulence
V. J. Valadão, M. Cencini, F. De Lillo +2
The butterfly effect, namely the amplification of an initially localized infinitesimal perturbation, is a fundamental hallmark of chaotic systems. While this phenomenon is well und…