Vortex-induced vibration of catenary riser: reduced-order modeling and lock-in analysis using wake oscillator

A new reduced-order model capable of analyzing the vortex-induced vibration of catenary riser in the ocean current has been developed. This semi analytical-numerical approach is versatile and allows for a significant reduction in computational effort for the analysis of fluid-riser interactions. The...

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Bibliographic Details
Main Authors: Srinil, N., Wiercigrocha, M., O'Brien, P., Younger, R.
Format: Conference Object
Language:unknown
Published: 2009
Subjects:
Naval architecture. Shipbuilding. Marine engineering
Engineering (General). Civil engineering (General)
Arctic
Online Access:https://strathprints.strath.ac.uk/18557/
https://strathprints.strath.ac.uk/18557/1/OMAE2009_Draft.pdf
Description
Summary:A new reduced-order model capable of analyzing the vortex-induced vibration of catenary riser in the ocean current has been developed. This semi analytical-numerical approach is versatile and allows for a significant reduction in computational effort for the analysis of fluid-riser interactions. The incoming current flow is assumed to be steady, uniform, unidirectional and perpendicular to the riser plane of initial equilibrium curvatures.

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