Technique for accurate experimental determination of normal vibration modes of flight vehicles using only simple methods of excitation is applied at Martin Co; because vibratory response of vehicle to sinusoidal excitation is due to response in all modes, modes determined by measuring amplitude of vibration are not normal modes, and individual modes must be isolated; tests performed on rocket and dynamically scaled aircraft model show marked improvement in mode shape, for higher modes and for closely spaced modes when technique is used.


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    Titel :

    Phase separation technique for ground vibration testing


    Weitere Titelangaben:

    Aerospace Eng


    Beteiligte:

    Erschienen in:

    Aerospace Engineering ; 21 , n 7 ; p 56-57 + 91-96


    Erscheinungsdatum :

    1962


    Format / Umfang :

    6 pages


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


    Ground vibration testing at Boeing

    Carbon.G. | Tema Archiv | 1984


    Ground vibration testing of complex structures

    Stahle, C. V. / Forlifer, W. R. | NTRS | 1975




    Ground Vibration Testing on Very Flexible Aircraft

    Sharqi, Bilal / Cesnik, Carlos E. | AIAA | 2020