Synthetic turbulent inflow conditions based on a vortex method for large-eddy simulation
S Benhamadouche, N Jarrin… - … Fluid Dynamics, an …, 2006 - inderscienceonline.com
S Benhamadouche, N Jarrin, Y Addad, D Laurence
Progress in Computational Fluid Dynamics, an International Journal, 2006•inderscienceonline.comThe 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 Reτ= 395 and pipe flow at Reτ= 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 …
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 Reτ= 395 and pipe flow at Reτ= 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 …
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 Reτ = 395 and pipe flow at Reτ = 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.
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