Error-landscape assessment of LES accuracy using experimental data


Meyers, Johan and Meneveau, Charles and Geurts, Bernard J. (2010) Error-landscape assessment of LES accuracy using experimental data. In: Seventh International ERCOFTAC Workshop on Direct and Large-Eddy Simulation, 8-10 September 2008, Trieste, Italy (pp. pp. 209-214).

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Abstract:We present the setup of a database of Large-Eddy simulations of decaying homogeneous isotropic turbulence at high Reynolds numbers, corresponding to recent physical experiments in the tradition of Comte-Bello and Corrsin. The error-landscape approach is used for the evaluation of LES using the Smagorinsky model in a spectral and a second-order discretization method. The results identify an optimal combination of model parameter and resolution in a statistical robust fashion. Issues associated with dynamics at the largest length-scales are discussed.
Item Type:Conference or Workshop Item
Copyright:© 2010 Springer
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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