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    Flutter Prediction Report in Support of the High Angle Working Group at the Third Aeroelastic Prediction Workshop

    Flutter Prediction Report in Support of the High Angle Working Group at the Third Aeroelastic Prediction Workshop


    This paper presents a summary of the computational flutter results associated with the AIAA third Aeroelastic Prediction Workshop (AePW-3) High Angle Working Group (HAWG). The computational results are compared against the experimental data collected during the Pitch and Plunge Apparatus (PAPA) Benchmark Supercritical Wing (BSCW) test campaign conducted in the Transonic Dynamics Tunnel (TDT) at NASA Langley Research Center thirty years ago. During that test several flutter points were identified at transonic conditions. One of these points, specifically near Mach 0.8 and 5° angle of attack, became a focal point of the computational challenge with in HAWG. Various fidelity time-domain, Reduced Order Model (ROM) and Linearized Frequency Domain (LFD) methods were used by seven participating teams. While there are encouraging trends in the computational results, the range of the predicted flutter dynamic pressure is still quite large due to the stall flutter mechanism. A description of each participating team’s software and methods is included.

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    Titel :

    Flutter Prediction Report in Support of the High Angle Working Group at the Third Aeroelastic Prediction Workshop

    Beteiligte:
    P. Chwalowski (Autor:in) / BretK.Stanford (Autor:in) / K. E. Jacobson (Autor:in) / L. Poplingher (Autor:in) / D. E. Raveh (Autor:in) / A. Jirasek (Autor:in) / J. Seidel (Autor:in) / G. Pagliuca (Autor:in) / J. N. Berberoff-Naval (Autor:in) / M. Forster (Autor:in)
    Erscheinungsdatum :

    2023

    Format / Umfang :

    20 pages

    Medientyp :

    Report

    Format :

    Keine Angabe

    Sprache :

    Englisch

    Schlagwörter :

    Aircraft , Computer Software

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