Progressive damage and fracture of a composite airfoil structure subjected to monotonically increasing static and cyclic loading is evaluated via computational simulation. Constituent material properties, stress and strain limits are scaled up to the structure level to evaluate the overall damage and fracture propagation for composites. Damage initiation, growth, accumulation, and propagation to fracture due to monotonically increasing static loading and cyclic fatigue are included in the simulations. Results show the damage progression sequence during different degradation stages. A procedure is outlined for use of computational simulation data in the assessment of damage tolerance, determination of sensitive parameters affecting fracture, and interpretation of results with insight for design decisions.


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    Titel :

    Cyclic fatigue damage evolution in airfoil structures


    Beteiligte:
    Minnetyan, L. (Autor:in) / Abdi, F. (Autor:in) / Chamis, C.C. (Autor:in)


    Erscheinungsdatum :

    2001


    Format / Umfang :

    12 Seiten, 9 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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