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Nonlocal triad interactions and the dissipation range of isotropic turbulence
Physics of Fluids A Fluid Dynamics
Detailed transfer functions T( k Ip,q), which express turbulent energy transfer rate to modes k caused by their nonlinear interactions with modes p and 4, are analyzed using results of direct numerical simulations of homogeneous turbulence. A previously found phenomenological scaling for the functions T(klp,q), which brings them into a self-similar form, is used to deduce the form of the energy spectrum in the dissipation range proportional to k-* exp( -ak) and the transfer spectrumdoi:10.1063/1.858373 fatcat:ckbqegfalbbq7dpbtdbgvghiq4