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Keywords: wrinkle
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Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-091
... wrinkle criteria piping simulation imperfection dataset straightener displacement input parameter liner thickness failure mode machine learning installation artificial intelligence liner imperfection liner Lined Pipe Reeling Mechanics Design of Experiment & Machine Learning Model Chen...
Proceedings Papers

Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-844
... Abstract In this article, ductile fracture on the tensile side of wrinkled cold bend pipes under monotonic combined loading condition is investigated through an experimental and analytical study. Two cold bend pipe specimens made of API X65 steel material were tested at the University...
Proceedings Papers

Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-044
... Abstract Through force analysis on pipe body during ocean laying, this paper first puts forward the possible failure modes (e.g. wall thickness reduction exceeds the standard, ellipticity exceeds the standard, liner tube wrinkles, etc.) of mechanical bi-metal composite pipe during the process...
Proceedings Papers

Paper presented at the The Twenty-second International Offshore and Polar Engineering Conference, June 17–22, 2012
Paper Number: ISOPE-I-12-320
... ABSTRACT: The present study is motivated by the use of lined pipes in energy pipeline applications (oil, gas, etc.) where a corrosion-resistant thin-walled liner is fitted inside a carbon-steel outer pipe. The paper focuses on wrinkling of lined pipes (sometimes referred to as clad pipes...
Proceedings Papers

Paper presented at the The Twenty-first International Offshore and Polar Engineering Conference, June 19–24, 2011
Paper Number: ISOPE-I-11-126
... strain of 1.51%, 1.67% and 0.92%. Test pipe No. 1 and 2 endure 18.8 and 18.1 degree of end rotation. Test pipe No. 3 was finally ruptured on its tension side near the buckling wrinkle, at 19.7 degree of end rotation. INTRODUCTION High-strength, high-strain and large diameter line pipes have been...
Proceedings Papers

Paper presented at the The Twenty-first International Offshore and Polar Engineering Conference, June 19–24, 2011
Paper Number: ISOPE-I-11-606
... limit. The compressive strain limit focused on the critical strain at the formation of local buckling on the compression side of bending. One large developed wrinkle and some small wrinkles on the pipe surface during bending deformation were captured relatively well from observation and strain...
Proceedings Papers

Paper presented at the The Eighteenth International Offshore and Polar Engineering Conference, July 6–11, 2008
Paper Number: ISOPE-I-08-247
... and thus, an alternative tool using finite element method was developed to study the behavior of wrinkled pipeline under similar load-deformation condition. This finite element model uses true nonlinear material and non-linear geometry. A special contact and sliding algorithm was used to model the folding...
Proceedings Papers

Paper presented at the The Eighteenth International Offshore and Polar Engineering Conference, July 6–11, 2008
Paper Number: ISOPE-I-08-273
... ABSTRACT Buried pipelines may be subjected to various complicated combinations of forces and deformations. This may result in localized curvature, strains, and associated deformations in the pipe wall. As a result, wrinkles may form. The wrinkled pipeline may then develop a fracture and even...
Proceedings Papers

Paper presented at the The Seventeenth International Offshore and Polar Engineering Conference, July 1–6, 2007
Paper Number: ISOPE-I-07-513
... in the line, resulting in wrinkles at these particular points, while curvatures in adjacent sections of pipe decrease [Dorey et al., 1999]. Because of the localization of deformation, average strain values are misleading indicators of pipe response subsequent to the initiation of pipe wrinkling. Recent...
Proceedings Papers

Paper presented at the The Fifteenth International Offshore and Polar Engineering Conference, June 19–24, 2005
Paper Number: ISOPE-I-05-131
... manufacturing process. Reeling of TFP is not yet proven technology, however, because it has still to be demonstrated that the liner will not wrinkle when bent onto the reel and later during straightening and subsequent laying on the seabed. Since liner wrinkling due to bending (reeling) correlates in many...
Proceedings Papers

Paper presented at the The Fourteenth International Offshore and Polar Engineering Conference, May 23–28, 2004
Paper Number: ISOPE-I-04-196
... cable design efforts. vehicle secondary cable braided wire fiber kaiko full ocean depth rov kaiko jamstec accident operation wrinkle electrical industrial apparatus high water pressure sheath termination fracture braided aramid fiber aramid fiber Loss of the Full Ocean Depth...
Proceedings Papers

Paper presented at the The Second International Offshore and Polar Engineering Conference, June 14–19, 1992
Paper Number: ISOPE-I-92-117
... outer pipe internal pressure specimen single-wall pipe double-wall pipe oilfield chemistry burst pressure h2s management metals & mining wrinkle gripping stress fracture load collapse pressure upstream oil & gas mechanical-bonding double-wall pipe implosion pressure...

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