A composite wing with spars and bulkheads is used to demonstrate the effectiveness of probabilistic assessment of smart composite structures to control ranges of uncertainties in distortions and stresses. Results show that a smart composite wing can be controlled to minimize distortions and to have specified stress levels in the presence of defects. Structural responses such as changes in angle of attack vertical displacements and stress in the control and controlled plies are probabilistically assessed to quantify their respective ranges of uncertainties. Sensitivity factors are evaluated to identify those parameters that have the greatest influence on a specific structural response. Results show that smart composite structures can be configured to control both distortions and ply stresses to satisfy specified design requirements.


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    Title :

    Probabilistic assessment of smart composite structures


    Additional title:

    Probabilistische Bewertung von intelligenten Verbundstrukturen


    Contributors:
    Chamis, C.C. (author) / Shiao, M.C. (author)


    Publication date :

    1993


    Size :

    19 Seiten, 16 Bilder, 3 Tabellen, 11 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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