Spectral vanishing viscosity method for LES: sensitivity to the SVV control parameters

Where spectral methods are concerned, the spectral vanishing viscosity (SVV) method offers an interesting way of computing high Reynolds number flows since it allows stabilization of the calculations whilst preserving the exponential rate of convergence of the spectral approximation. Here we first show how to implement the SVV method in an existing Navier–Stokes solver and then investigate the sensitivity of the numerical results to its main characteristic parameters, namely the SVV amplitude and the SVV activation mode, by focusing on the computation of a turbulent wake in a cylinder, embedded in a channel-like domain, at Reynolds number Re = 3900.

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