Abstract

Abstract Zonal RANS/LES modelings have received considerable attention over recent years. Especially with the?attached boundary layers that computed using the Reynolds-averaged Navier – Stokes (RANS) equations, and non-equilibrium zones of the flow by large-eddy simulation (LES). Generation eddies from a smooth RANS field of turbulent eddies capable of supporting the Reynolds stresses in the LES zones are one issue that may affect the accuracy of the results of zonal methods. Synthetic turbulence and controlled forcing are used to generate turbulence structures in the LES zones.

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