The imperfection-sensitive buckling of fiber-reinforced polymeric laminated shells is complicated by the large number of additional material and geometric parameters compared to the buckling of conventional metallic shells. As a basis for conceptual design, the traditional lower-bound approach of relying upon scatter of test results is no longer feasible when it comes to the buckling design of fiber-reinforced polymeric laminated shells. This study aimed to extend an analytical approach, the so-called reduced-stiffness method, to the lower-bound buckling analysis of fiber-reinforced polymeric laminated cylindrical shells under uniform axial compression. For a range of isotropic shells, the reduced-stiffness method has been shown capable of predicting safe lower bounds to experimental and numerical studies of imperfection-sensitive buckling loads. In this paper, the validity of the reduced-stiffness method applied to fiber-reinforced polymeric laminated cylindrical shells is verified by the nonlinear-buckling analysis performed using the finite element software ABAQUS/Standard. Through several case studies, it is suggested that the reduced-stiffness method offers an important alternative for improved prediction of lower-bound buckling loads in the design of fiber-reinforced polymeric laminated shells.


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    Titel :

    Lower-Bound Analysis of Fiber-Reinforced Polymeric Laminated Cylindrical Shells


    Beteiligte:

    Erschienen in:

    AIAA Journal ; 51 , 1 ; 218-225


    Erscheinungsdatum :

    01.01.2013




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch






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