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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    Title :

    Strukturdynamische Qualifikation von Raumfahrzeugen (Structural Dynamics Qualification of Spacecraft)


    Contributors:
    H. Hueners (author)

    Publication date :

    1990


    Size :

    16 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English






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