The status of various feasibility studies on improved spacecraft dynamic qualification concepts using hydraulic multi-axial vibration simulators is presented. Dynamic mechanical loads in the low frequency range determine to a large extent the design of the primary and partially the secondary structures of most present day spacecraft. A dynamic qualification concept based on an experimental flight load simulation requires a multi-axis transient test approach, which cannot be offered current vibration test specifications. Vibration tests on single-axis electrodynamic shakers, flight load simulation on multi-axis hydraulic vibration simulators, and the further development of multi-axis hydraulic test stands are described. The possible prospects of the approach to dynamic structural verification are discussed.


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    Titel :

    Strukturdynamische Qualifikation von Raumfahrzeugen (Structural Dynamics Qualification of Spacecraft)


    Beteiligte:
    H. Hueners (Autor:in)

    Erscheinungsdatum :

    1990


    Format / Umfang :

    16 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch






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