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http://dx.doi.org/10.26748/KSOE.2017.10.31.5.364

Vortex-Induced Vibration Analysis of Deep-Sea Riser  

Park, Seongjong (Central Research Institute, Samsung Heavy Industry)
Kim, Bongjae (Central Research Institute, Samsung Heavy Industry)
Publication Information
Journal of Ocean Engineering and Technology / v.31, no.5, 2017 , pp. 364-370 More about this Journal
Abstract
A numerical model based on the mode superposition method is used to study the vortex-induced vibration response characteristics of a deep-sea riser such as steel catenary riser (SCR). A steel catenary riser can be modeled using a flexible cable with simple supports at both ends. The natural frequency, mode shape and mode curvature of the riser are calculated and the vortex-induced vibration response of the riser is obtained using the equilibrium of the input and output power. The mode superposition method is applied to the vibrational stresses for each mode to calculate the overall riser fatigue life.
Keywords
Steel catenary riser; Top tensioned riser; Vortex-induced vibration; Fatigue damage; Mode superposition;
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Times Cited By KSCI : 2  (Citation Analysis)
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