Notched metal test samples are presently subjected to helicopter load histories and the results obtained are compared to the fatigue-life predictions of a simplified version of the local-strain method. After studying the case of a peak/valley reconstructed history based on the standard spectrum, attention is given to a second, more irregular one based on actual flight data which is used to generate three reconstructed histories based on peak-valley, to-from, and rainflow characteristics. Comparisons indicate the rainflow cycle approach to be the most promising.


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    Titel :

    Analysis and reconstruction of helicopter load spectra


    Beteiligte:

    Kongress:

    National Technical Specialists'' Meeting on Advanced Rotorcraft Structures ; 1988 ; Williamsburg, VA, United States


    Erscheinungsdatum :

    01.01.1988


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch





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