Error-landscape assessment of LES accuracy using experimental data

Johan Meyers, Charles Meneveau

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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.
    Original languageUndefined
    Title of host publicationProceedings of the Seventh International ERCOFTAC Workshop on Direct and Large-Eddy Simulation
    EditorsVincenzo Armenio, Bernardus J. Geurts, Jochen Fröhlich
    Place of PublicationDordrecht
    PublisherSpringer
    Pages209-214
    Number of pages6
    ISBN (Print)978-90-481-3651-3
    DOIs
    Publication statusPublished - 2010
    Event7th ERCOFTAC Workshop on Direct and Large-Eddy Simulation VII, DLES 2008 - Trieste, Italy
    Duration: 8 Sep 200810 Sep 2008
    Conference number: 7

    Publication series

    NameERCOFTAC Series
    PublisherSpringer
    Volume13
    ISSN (Print)1382-4309

    Workshop

    Workshop7th ERCOFTAC Workshop on Direct and Large-Eddy Simulation VII, DLES 2008
    Abbreviated titleDLES
    CountryItaly
    CityTrieste
    Period8/09/0810/09/08

    Keywords

    • IR-75958
    • EWI-19311
    • METIS-275846

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