In this paper, the strength reliability and parameter sensitivity analysis of a missile airfoil structure are researched. For checking strength of the missile airfoil structure before reliability analysis, stress distribution is analyzed by MSC. Nastran. Owing to the fact that machining deviation and design tolerance result in size dispersion, thickness of missile airfoil skin, thickness of ribs, length of airfoil and length of fork are considered as random variables. Based on certain analysis, the strength reliability and parameter sensitivity of the missile airfoil structure are analyzed by the fourth moment method. The reliability analysis illustrates that the strength failure probability of the missile airfoil structure is 0.01286 and the results of sensitivity reveal that the thickness of ribs is the main factor which influence on the strength reliability of airfoil structure.


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    Titel :

    Strength Reliability and Parameter Sensitivity Analysis of a Missile Airfoil Structure


    Beteiligte:
    Liu, Zhi-Qun (Autor:in) / Zhou, Hong (Autor:in) / Chen, Zheng-Bian (Autor:in)


    Erscheinungsdatum :

    2012


    Format / Umfang :

    5 Seiten




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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