Semi-implicit BDF time discretization of the Navier–Stokes equations with VMS-LES modeling in a High Performance Computing framework

•Semi-implicit BDF time discretization of the Navier–Stokes equations with VMS-LES modeling.•A parallel multigrid preconditioner is defined and applied.•The choice of the stabilization parameters for the VMS-LES formulation is discussed.•The benchmark of the flow past a squared cylinder at Reynolds...

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