How fine is fine enough when doing CFD terrain simulations

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    Abstract

    The present work addresses the problem of establishing
    the necessary grid resolution to obtain
    a given level of numerical accuracy using
    a CFD model for prediction of flow over terrain.
    It is illustrated, that a very high resolution may
    be needed if the numerical difference between
    consecutive refinements should be of the order
    of one percent for all flow directions. For
    the present terrain case, resolution in the order
    of 1 billion grid points is needed.
    Original languageEnglish
    Publication date2012
    Number of pages1
    Publication statusPublished - 2012
    EventEWEC 2012 - European Wind Energy Conference & Exhibition - Copenhagen, Denmark
    Duration: 16 Apr 201219 Apr 2012
    http://events.ewea.org/annual2012/

    Conference

    ConferenceEWEC 2012 - European Wind Energy Conference & Exhibition
    Country/TerritoryDenmark
    CityCopenhagen
    Period16/04/201219/04/2012
    Internet address

    Keywords

    • Computational Fluid Dynamics
    • Terrain
    • Siting
    • Grid Refinement
    • EWEA 2012

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