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Fatigue of Pipelines resting on Uneven Seabed
Norwegian University of Science and Technology, Faculty of Engineering Science and Technology, Department of Marine Technology.
2011 (English)MasteroppgaveStudent thesis
Abstract [en]

Subsea pipelines represent the most cost effective way of transporting oil and gas from the subsea field to the market. A large network of subsea pipelines has therefore been installed both at the Norwegian continental shelf an elsewhere. In the near-shore areas of Norway, the seabed is irregular and pipeline free-spans are unavoidable. This in combination with significant current action, may cause vortex induced vibration (VIV) and fatigue in the pipeline welds. This project focus on studying the fatigue performance of free-spanning pipelines using a combination of FEM analysis and the DnV recommended practices.

Place, publisher, year, edition, pages
URN: urn:nbn:no:ntnu:diva-15794OAI: diva2:506763
Available from: 2012-02-29 Created: 2012-02-29 Last updated: 2012-02-29Bibliographically approved

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