Modal approaches are often preferred to the wave-based ones for the evaluation of instability conditions in classical nonlifting aeroelasticity of plates and shells. Here, within a wave-based finite element framework, sub- and supersonic aerodynamic models are introduced to analyze the effect of self-excited aerodynamic loading terms on the dispersive characteristics of structural waves. The method is validated by using a specific literature test case and is applicable on both isotropic and multilayered flat and curved structures. The sound transmission is also computed under sub- and supersonic turbulent boundary-layer excitations: the effect of including or neglecting the aeroelastic coupling is discussed.


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    Titel :

    Aeroelastic Effects on Wave Propagation and Sound Transmission of Plates and Shells


    Beteiligte:
    Errico, F. (Autor:in) / Franco, F. (Autor:in) / De Rosa, S. (Autor:in) / Petrone, G. (Autor:in) / Ichchou, M. (Autor:in)

    Erschienen in:

    AIAA Journal ; 58 , 5 ; 2269-2275


    Erscheinungsdatum :

    01.05.2020




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch