A new method for fatigue life prediction of aerospace structures and components is proposed - the energy-based method. Fatigue damage process is an irrecoverable energy dissipating process, which can promise an equivalent relationship between the energy dissipating rule in fatigue damage process of the small smooth specimen and the one in the local damaged area of a structure or component. To verify the suitability of this proposed method to aerospace structures, the fatigue lives of the main wing spanwise beam, wing-fuselage joint, fuselage frame joint and wing fuselage mounting bolt in the sixteenth frame of an aerospace have been predicted by means of this offered method. It has been shown that the predicted lives are in good agreement with the actual services ones.


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    Title :

    Energy-based method for fatigue life prediction of aerospace structures and components


    Additional title:

    Energiebezogene Methode zur Vorhersage der Ermüdungslebensdauer von Luft- und Raumfahrt-Strukturen und -Bauteilen


    Contributors:


    Publication date :

    1995


    Size :

    9 Seiten, 5 Bilder, 7 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English





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