The nonlinear aeroelastic characteristics of a rolling wraparound fin with freeplay nonlinearity are investigated. The aerodynamic forces are computed by solving the Euler equations in a body-fixed rotating coordinate frame. The nonlinear static and normal mode analyses for a rotating wraparound fin are performed using MSC Nastran. The V-g method, the traditional incremental damping approach to compute the flutter velocity, is used for aeroelastic analysis in the frequency domain, and the results are shown to compare with the time-history responses obtained by integration of the equations of motion using minimum state approximation time-domain aerodynamics. The effects of the freeplay nonlinearity and rolling motion of a wraparound fin on aeroelastic characteristics are investigated.


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    Titel :

    Nonlinear Aeroelastic Analysis of a Rolling Wraparound Fin


    Beteiligte:
    Na, Hyoung Jin (Autor:in) / Kim, Chun-Gon (Autor:in) / Lee, In (Autor:in) / Kim, Jung-Young (Autor:in) / Bae, Su-Bin (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2017-05-25


    Format / Umfang :

    9 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch