Co-authors: D. D. Donzis (Texas A and M), A. Gupta (University of Rome Tor Vergata), R. M. Kerr (University of Warwick), R. Pandit (Indian Institute of Science Bangalore), D. Vincenzi (CNRS, Universite de Nice)
The issue of intermittency in numerical solutions of the 3D Navier-Stokes equations is addressed using a new set of variables whose evolution has been calculated through three sets of numerical simulations. These variables are defined on a periodic box [0,L]3 such that Dm(t)=(ϖ−10Ωm)αm where αm=2m/(4m−3) \& the set of frequencies Ωm for 1≤m≤∞ are defined by Ωm(t)=(L−3\I|\boldmathω|2mdV)1/2m\,; the fixed frequency ϖ0=νL−2. All three simulations unexpectedly show that the Dm are ordered for m=1,...,9 such that Dm+1
view more