A coupling methodology between an upstream Reynolds Averaged Navier–Stokes (RANS)
simulation and a Large Eddy Simulation (LES) further downstream is presented. The focus
of this work is on the RANS-to-LES interface inside an attached turbulent boundary layer,
where an unsteady LES content has to be explicitly generated from a steady RANS solution.
The performance of the Synthetic-Eddy Method (SEM), which generates realistic synthetic
eddies at the inflow of the LES, is investigated on a wide variety of turbulent flows, from …