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VIV on Risers with Top-tensioning Buoyancy-cans. Part 1: Numerical Modelling and Simplified Analysis

E. Fontaine 1 Jean-Pierre Morel 2 G. Damy 2 M. Repecaud 2 Y. Stassen 3 B. Molin 4 Emmanuel de Langre 5
1 IFPEN - IFP Energies nouvelles
2 IFREMER Centre de Bretagne - Institut Français de Recherche pour l'Exploitation de la Mer - Brest
3 SAIPEM S.A., ENERGIES, St Quentin en Yvelines Cedex, France
4 Ecl. Sup. d'Ing. de Marseille, Marseille Cedex 20, France
5 LadHyX - Laboratoire d'hydrodynamique
Abstract : The hydro elastic behavior of a riser tensioned by buoyancy cans is studied numerically with tools of increasing complexity. Heuristic analysis, modal approach and fully coupled time domain analysis (strip theory) are successively used to study the dynamics of the riser. Results of the different approaches are presented and compared. This numerical study of the full scale riser configuration has been used to characterize and define the set-up of an extensive experimental program, presented in the same Conference as part 2 (Morel et al., 2003) where the hydro elastic stability of the risers array is studied.
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Submitted on : Sunday, July 20, 2014 - 7:31:36 PM
Last modification on : Tuesday, March 30, 2021 - 12:30:02 PM

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  • HAL Id : hal-01026050, version 1

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CNRS | X-LADHYX | X | CMM | IFP | X-DEP-MECA

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E. Fontaine, Jean-Pierre Morel, G. Damy, M. Repecaud, Y. Stassen, et al.. VIV on Risers with Top-tensioning Buoyancy-cans. Part 1: Numerical Modelling and Simplified Analysis. Proceedings of the International Offshore and Polar Engineering Conference, May 2003, Honolulu, United States. pp.1953-1959. ⟨hal-01026050⟩

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