A computational study is presented to assess the utility of two NASA unstructured Navier-Stokes flow solvers for capturing the degradation in static stability and aerodynamic performance of a NASA General Transport Model (GTM) due to airframe damage. The approach is to correlate computational results with a substantial subset of experimental data for the GTM undergoing progressive losses to the wing, vertical tail, and horizontal tail components. The ultimate goal is to advance the probability of inserting computational data into the creation of advanced flight simulation models of damaged subsonic aircraft in order to improve pilot training. Results presented in this paper demonstrate good correlations with slope-derived quantities, such as pitch static margin and static directional stability, and incremental rolling moment due to wing damage. This study further demonstrates that high fidelity Navier-Stokes flow solvers could augment flight simulation models with additional aerodynamic data for various airframe damage scenarios.


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    Titel :

    CFD Assessment of Aerodynamic Degradation of a Subsonic Transport Due to Airframe Damage


    Beteiligte:
    N. T. Frink (Autor:in) / S. Z. Pirzadeh (Autor:in) / H. L. Atkins (Autor:in) / S. A. Viken (Autor:in) / J. H. Morrison (Autor:in)

    Erscheinungsdatum :

    2010


    Format / Umfang :

    13 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




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