Synthetic turbulent inflow conditions based on a vortex method for large-eddy simulation
by Sofiane Benhamadouche, Nicolas Jarrin, Yacine Addad, Dominique Laurence
Progress in Computational Fluid Dynamics, An International Journal (PCFD), Vol. 6, No. 1/2/3, 2006

Abstract: The generation of 'synthetic turbulence' for inflow conditions in Large Eddy Simulation is investigated. The method is based on a 2D vortex method for the lateral components of the fluctuating velocity and a 1D Langevin equation for the streamwise velocity component, mimicking a Restress transport model. Channel flow at Re_τ = 395 and pipe flow at Re_τ = 360 are used to test the 'synthetic turbulence' alone in the 2D inlet plane, then LES computations are run with these inlet conditions. Finally, the method is applied to a backward facing step with and without heat transfer.

Online publication date: Wed, 05-Apr-2006

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