Progressive Fracture of Composite Cylindrical Shells Subjected to External Pressure

    Volume 19, Issue 2 (April 1997)

    ISSN: 0884-6804

    CODEN: CTROAD

    Page Count: 7


    Chamis, CC
    Senior aerospace scientist, Lewis Research Center, Cleveland, OH

    Minnetyan, L
    Associate professor, Clarkson University, Potsdam, NY

    Abstract

    Progressive fractures of laminated graphite/epoxy composite cylindrical shells are investigated under external hydrostatic pressure. An integrated computer code is used for the simulation of composite structural degradation under loading. Damage initiation, growth, accumulation, and propagation to structural fracture are included in the simulations. Results indicate that local defects do not have a significant effect on structural survivability under hydrostatic loading for thick composite shells. Influence of constituent material properties and the effects of residual stresses on damage initiation and progression under external pressure are evaluated. Structural safety and damage tolerance characteristics of a prototype composite cylindrical shell are examined.


    Paper ID: CTR10016J

    DOI: 10.1520/CTR10016J

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    Author
    Title Progressive Fracture of Composite Cylindrical Shells Subjected to External Pressure
    Symposium , 0000-00-00
    Committee D30