To qualify flight hardware for random vibration environments the following methods are used to limit the loads in the aerospace industry: (1) Response limiting and notching (2) Simple TDOF model (3) Semi-empirical force limits (4) Apparent mass, etc. and (5) Impedance method. In all these methods attempts are made to remove conservatism due to the mismatch in impedances between the test and the flight configurations of the hardware that are being qualified. Assumption is the hardware interfaces have correlated responses. A new method that takes into account the un-correlated hardware interface responses are described in this presentation.


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    Title :

    New Approaches in Force-Limited Vibration Testing of Flight Hardware


    Contributors:

    Conference:

    Mechanical Systems Division/Dynamics Environments ; 2012 ; El Segundo, CA, United States


    Publication date :

    2012-06-16


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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