Reliability Based Factors of Safety for VIV Fatigue Using NDP Riser High Mode VIV Tests
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Reliability based factors.pdf
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861.76 KB
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Author(s)
Tognarelli, M.
Constantinides, Y.
Oakley, O.
Fontaine, Ebraheem I
Marcollo, Hayden
Vandiver, John Kim
Triantafyllou, Michael S
Larsen, Gretchen K.
Date Issued
June 2011
Journal
Volume 7: CFD and VIV; Offshore Geotechnics
Publisher
American Society of Mechanical Engineers
Citation
Fontaine, E., H. Marcollo, K. Vandiver, M. Triantafyllou, C. Larsen, M. Tognarelli, Y. Constantinides, and O. Oakley. “Reliability Based Factors of Safety for VIV Fatigue Using NDP Riser High Mode VIV Tests.” Volume 7: CFD and VIV; Offshore Geotechnics (2011).
Version
Final published version
Abstract
Understanding the level of conservatism in a riser system design for vortex-induced vibration (VIV) fatigue is an important issue for operators. This study represents a demonstration of the calibration methodology to derive consistent values for the Factor of Safety (FoS). The exercise is performed here based on medium scale VIV data and utilizing the most commonly used VIV prediction software by industry. The results emphasize the need for (i) a coherent approach to estimate the FoS to be used and (ii) monitoring/measurement of software improvements as this may increase risk of failure if the influence of such improvements on the FoS is not quantified.
MIT Department
Massachusetts Institute of Technology. Center for Environmental Health Sciences
Massachusetts Institute of Technology. Department of Mechanical Engineering
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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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DOI of Published Version
https://doi.org/10.1115/OMAE2011-49820
