Hybrid formulation solution for stress analysis of curved pipes with welded bending joints

A method is presented for evaluating the stress intensity factor of part-through cracks in a thin pipe elbow. A hybrid formulation solution is used to evaluate the stress field close to the crack area. The stress field values are then inputted into a previously developed method published in the lite...

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Bibliographic Details
Main Author: Madureira, Luísa (author)
Other Authors: Melo, Francisco Q. (author)
Format: article
Language:eng
Published: 2010
Subjects:
Online Access:http://hdl.handle.net/10773/15912
Country:Portugal
Oai:oai:ria.ua.pt:10773/15912
Description
Summary:A method is presented for evaluating the stress intensity factor of part-through cracks in a thin pipe elbow. A hybrid formulation solution is used to evaluate the stress field close to the crack area. The stress field values are then inputted into a previously developed method published in the literature to evaluate the stress intensity factor in cylindrical shells. Results from cylindrical shells with part-through cracks are extended to double-curvature pipe configurations that contain the same kind of flaw.