This report documents a finite-element analysis procedure for computation of Mode I and Mode II stress intensity factors associated with one or two sharp cracks emanating from a fastener hole in a panel under uniform tension. The fastener hole may be offset from the panel centerline, and one or both edges of the panel may be integrally stiffened. The formulation of a special assumed-stress hybrid element for the region near the fastener hole is presented. A detailed description of the programming covers the physical problem, modelling, program flow and options, input/output conventions, execution times, and limitations which must be observed. Results are presented for performance tests of the special element, and for some example analyses of cracked panels. (DePo)


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    Title :

    Fracture mechanics analysis of centered and offset fastener holes in stiffened and unstiffened panels under uniform tension


    Additional title:

    Analyse der Bruchmechanik zentrierter und versetzter Befestigungsloecher in verstaerkten und nichtverstaerkten Platten bei gleichmaessiger Spannung


    Contributors:
    Stalk, G. (author) / Orringer, O. (author)

    Published in:

    Publication date :

    1976


    Size :

    185 Seiten


    Type of media :

    Report


    Type of material :

    Print


    Language :

    English