A methodology for evaluating the reliability of damage-tolerant composite aircraft structures enables aircraft manufacturers, operators, and flight certification authorities to establish design, maintenance and service guidelines that reduce lifecycle cost. However, statistical data on strength distribution of large scale structures and components cannot be determined by tests economically. A virtual testing tool based on stochastic finite element analysis (FEA) has been developed to simulate the necessary statistical, data based on known distributions at lower levels (i.e. properties of coupons and panels), for the reliability analysis. Additionally, the virtual testing tool can be employed for sensitivity study which provides valuable information for design and optimization. A realistic wing box is used to demonstrate various aspects of the above mentioned methodology.


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    Titel :

    Reliability-based evaluation of composite structure damage tolerance related to failure mechanisms


    Beteiligte:
    Styuart, A.V. (Autor:in) / Cheung, C.H.E. (Autor:in) / Livne, E. (Autor:in) / Lin, K.Y. (Autor:in)


    Erscheinungsdatum :

    2008


    Format / Umfang :

    12 Seiten, 5 Bilder, 2 Tabellen, 16 Quellen


    Anmerkungen:

    (nicht paginiert)


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Datenträger


    Sprache :

    Englisch





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