T-PITM: a consistent formulation for seamless RANS/TLES coupling

Abstract

In the frame of inhomogeneous turbulence, a consistent formalism to seamlessly bridge LES and RANS must be based on temporal filtering. Such an approach is presented, the temporal-PITM, based on a transport equations for the subfilter-scales. In order to obtain a balance resolved/modelled energy consistent with the cutoff frequency imposed by the local mesh refinement, a dynamical subfilter-scale model is used

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