This paper describes an effort toward characterizing the role of material plasticity on the structural response and operational life of compliant panels in high-speed flow. A fluid–thermal–structural–material interactions framework is used to investigate the response of elastic and elastic-plastic panels subjected to multiple loading cycles. The plastic material response is predicted using a nonlinear strain hardening law that accounts for cyclic loading. A fatigue analysis is conducted using a linear cumulative damage rule. A residual deformation on the order of one panel thickness is found to produce characteristically different responses for elastic and plastic panels. After several loading cycles, the onset of flutter for the permanently deformed panel increased beyond the time responses considered.


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    Titel :

    Effects of Strain Hardening on Response of Skin Panels in Hypersonic Flow



    Erschienen in:

    Erscheinungsdatum :

    2016




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :

    Klassifikation :

    BKL:    55.50 Luftfahrzeugtechnik / 55.60 Raumfahrttechnik / 55.60 / 50.93 / 55.50 / 50.93 Weltraumforschung
    Lokalklassifikation TIB:    770/7040



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    Culler, A. / McNamara, J. / American Institute of Aeronautics and Astronautics | British Library Conference Proceedings | 2010


    Chaotic Oscillations of Skin Panels in Hypersonic Flight

    Fermen-Coker, M. / Johnson, G. | British Library Conference Proceedings | 1999