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Investigations on the Local Buckling Response of High Strength Linepipe

[+] Author Affiliations
Ali Fatemi, Michael Paulin

IMV Projects Atlantic, St. John’s, NL, Canada

Shawn Kenny

Memorial University of Newfoundland, St. John’s, NL, Canada

Millan Sen, Joe Zhou

TransCanada PipeLines Ltd., Calgary, AB, Canada

Farid Taheri

Dalhousie University, Halifax, NS, Canada

Paper No. IPC2008-64407, pp. 649-656; 8 pages
doi:10.1115/IPC2008-64407
From:
  • 2008 7th International Pipeline Conference
  • 2008 7th International Pipeline Conference, Volume 3
  • Calgary, Alberta, Canada, September 29–October 3, 2008
  • Conference Sponsors: International Petroleum Technology Institute and the Pipeline Division
  • ISBN: 978-0-7918-4859-3 | eISBN: 798-0-7918-3835-8
  • Copyright © 2008 by ASME

abstract

A numerical modeling procedure was developed, using the finite-element simulator ABAQUS/Standard, to predict the local buckling and post-buckling response of high strength pipelines subject to combined state of loading. The numerical procedures were calibrated using test data from large-scale experiments examining the local buckling of high strength linepipe. The numerical model’s response was consistent with the measured experimental response for predicting the local buckling behavior well into the post-yield range. A parametric study was conducted that examined element selection, mesh topology, second-order effects, geometric imperfections and material properties. The results from this study are presented.

Copyright © 2008 by ASME
Topics: Buckling

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