A data acquisition and reduction system has been created for aircraft materials fatigue testing. The system uses an HP-9835 Desktop Calculator, an HP-2240A. Measurement and Control Processor and a Materials Testing System loading machine. Three different computer programs on the HP-9835 are used to analyze material properties, simulate inflight fatigue loading and compute fatigue damage at a stress concentration. The flight loads are selected from Mil Spec 8866 and applied in a random order. The fatigue damage at a stress concentration is calculated from the applied local stresses using Miner's Law. (Jensen)


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    Title :

    Design of a data acquisition and reduction system for fatigue testing


    Additional title:

    Plan der Datenerfassung und System zur Verminderung der erforderlichen Daten beim Dauerschwingversuch


    Contributors:

    Published in:

    Publication date :

    1981


    Size :

    64 Seiten


    Type of media :

    Report


    Type of material :

    Print


    Language :

    English