Abstract
The dynamic subgrid-scale eddy viscosity model has been applied to the computation of two building-block rotating flows: initially-isotropic turbulence subjected to uniform system rotation, and turbulent channel flow with rotation about the spanwise axis. In each of these flows identical formulations of the model are able to account correctly for the effect of rotation on the subgrid scales, e. g., inhibited energy transfer in rotating isotropic turbulence and the stabilizing/destabilizing effect of rotation on turbulent channel flow. LES predictions of rotating isotropic turbulence are in good agreement with the DNS results obtained by Mansour et al. (1991). First- and second-order statistics from the LES of rotating channel flow are also found to be in good agreement with DNS results.
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