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math-ph2026
Stochastic modeling of Fourier modes in two-dimensional turbulence via filtered white noise
Paolo Cifani, Franco Flandoli, Andrea Zanoni
Modeling turbulent flows by a random Fourier decomposition is a classical procedure in order to use simplified models of turbulence in heat transport and other applications. We inv…
math-ph2026
Anomalous diffusion properties of stochastic transport by heavy-tailed jump processes
Paolo Cifani, Franco Flandoli, Lorenzo Marino
In this work, we investigate the large-scale transport properties of a passive scalar advected by a turbulent fluid, modelled as a superposition of divergence-free vector fields, e…