3610. Inertia Uncertainity of a Moored FPSO

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Title3610. Inertia Uncertainity of a Moored FPSO
Publication TypeConference Paper
Paper Number3610
Year of Publication2014
AuthorsChandrasekaran, Santhosh Kumar, and Schuster Andreas
Conference73rd Annual Conference, Long Beach, California
Conference LocationLong Beach, California
PublisherSociety of Allied Weight Engineers, Inc.
Date Published05/2014
Abstract

This paper will address weight requirements t o ensure the delivered mass inertia properties match the initial estimates used for model testing and hydrodynamic performance assessment. It has been assumed that the large dead weight of an FPSO makes the design insensitive to variances in mass inertia over the design cycle. As hydrodynamic engineers improve their mooring design performance and reduce margins, minor changes in mass inertia can have dramatic impact on system response. This paper will compare the mass inertia estimating, uncertainty and detailed calculation with mooring performance to determine optimum thresholds for weight control to mitigate the risk of changes in inertia.

Pages13
Key Words06. Inertia Measurements, 13. Weight Engineering - Marine, 35. Weight Engineering - Offshore
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