A mixed spectral-integration model for neutral mean wind flow over hills

Jean-Francois Corbett, Søren Ott, Lars Landberg

    Research output: Contribution to journalJournal articleResearchpeer-review


    A linear model for neutral surface-layer flow over orography is presented. The Reynolds-Averaged Navier-Stokes and E - epsilon turbulence closure equations are expressed in a terrain-following coordinate system created from a simple analytical expression in the Fourier domain. The perturbation equations are solved spectrally horizontally and by numerical integration vertically. Non-dimensional solutions are stored in look-up tables for quick re-use. Model results are compared to measurements, as well as other authors' flow models in three test cases. The model is implemented and tested in two-dimensional space; the equations for a full three-dimensional version are presented.
    Original languageEnglish
    JournalBoundary-Layer Meteorology
    Issue number2
    Pages (from-to)229-254
    Publication statusPublished - 2008


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