A weak-interaction solution algorithm is established for aerodynamic flow field prediction about an isolated airfoil. It requires numerical solution of differential equations governing potential flow, viscous and turbulent boundary layer flow, and the turbulent wake flow downstream of a trailing edge. The algorithm accounts for computed viscous displacement effects on the potential flow. These in turn alter the viscous flow through imposed pressure gradients. Closure for turbulence is accomplished using a second order model. Numerical evaluations assess factors affecting solution accuracy, convergence and stability for the combined potential,boundary layer, and parabolic Navier-Stokes equation systems as solved usiing a finite element algorithm. (dePo)


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    Titel :

    An interaction solution algorithm for viscous aerodynamic performance prediction


    Weitere Titelangaben:

    Wechselwirkender Loesungsalgorithmus fuer die Voraussage aerodynamischer Leistung bei zaehen Stroemungen


    Beteiligte:
    Baker, A.J. (Autor:in) / Manhardt, P.D. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1978


    Format / Umfang :

    12 Seiten, 13 Bilder, 1 Tabelle, 28 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch