Abstract
A database of various LES and two reference DNS of homogeneous isotropic turbulence is constructed at Re λ = 50. All LES are performed with Smagorinsky or dynamic Smagorinsky modeling. Using the database information, accuracy charts are constructed, which give a global view of the error as function of important LES parameters. Moreover, as a result, ‘optimal refinement strategies’ are identified for LES. Further, the dynamic model is shown to select its own refinement trajectory. The distance of this trajectory to the ‘optimal’ refinement path is a measure for the quality of the dynamic procedure.
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© 2004 Springer Science+Business Media Dordrecht
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Meyers, J., Geurts, B.J., Baelmans, M. (2004). Identification of Global Error Behavior in LES Using a Database Approach. In: Friedrich, R., Geurts, B.J., Métais, O. (eds) Direct and Large-Eddy Simulation V. ERCOFTAC Series, vol 9. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-2313-2_19
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DOI: https://doi.org/10.1007/978-1-4020-2313-2_19
Publisher Name: Springer, Dordrecht
Print ISBN: 978-90-481-6575-9
Online ISBN: 978-1-4020-2313-2
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