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Fracture initiation and propagation in a cylindrical shell containing an initial surface flaw (1974)

Erdogan, F. ; Ratwani, M.

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Publication Date: 2011-08-16

Description: An attempt is made to provide the necessary analytical tools for the application of two different types of fracture criteria to shell structures. Of particular interest is the problem of fracture propagation and arrest in a cylindrical pressure vessel containing an initial surface flaw. It is assumed that the flaw has the most unfavorable geometry and orientation, namely, it is a crack lying on a meridional plane. Stress intensity factor for a part-through crack, and a surface or internal crack with a fully yielded net ligament are considered. Attention is given to constant delta curves for depressurization studies and to depressurization and crack arrest in pressure vessels.

Keywords: STRUCTURAL MECHANICS

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