A low-order model for transverse vortex-induced vibrations of cables in stationary uniform flow is analyzed. The near wake vortex street is modeled by a continuous distribution of nonlinear van der Pol oscillators, arranged along the spanwise extent of the structure and interacting by diffusion and stiffness. The structure, described as a classical tensioned cable, is forced by the fluid via a linear fluctuating lift model and reacts on the fluid through different linear actions. The model dynamics is investigated analytically and discussed with respect to the choice of the coupling terms, then verified by numerical simulations, in comparison with literature data. Discussion follows on the effectiveness of the linear inertial action of the structure on the fluid in describing, qualitatively and quantitatively, the main features of vortex-induced vibrations phenomenology, and standing versus traveling wave behavior.
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ASME 2002 International Mechanical Engineering Congress and Exposition
November 17–22, 2002
New Orleans, Louisiana, USA
Conference Sponsors:
- Applied Mechanics Division
ISBN:
0-7918-3659-2
PROCEEDINGS PAPER
Vortex-Induced Waves Along Cables
Matteo L. Facchinetti,
Matteo L. Facchinetti
Ecole Polytechnique, Palaiseau, France
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Emmanuel de Langre,
Emmanuel de Langre
Ecole Polytechnique, Palaiseau, France
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Francis Biolley
Francis Biolley
Institut Franc¸ais du Pe´trole, Rueil-Malmaison, France
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Matteo L. Facchinetti
Ecole Polytechnique, Palaiseau, France
Emmanuel de Langre
Ecole Polytechnique, Palaiseau, France
Francis Biolley
Institut Franc¸ais du Pe´trole, Rueil-Malmaison, France
Paper No:
IMECE2002-32161, pp. 195-205; 11 pages
Published Online:
June 3, 2008
Citation
Facchinetti, ML, de Langre, E, & Biolley, F. "Vortex-Induced Waves Along Cables." Proceedings of the ASME 2002 International Mechanical Engineering Congress and Exposition. 5th International Symposium on Fluid Structure Interaction, Aeroelasticity, and Flow Induced Vibration and Noise. New Orleans, Louisiana, USA. November 17–22, 2002. pp. 195-205. ASME. https://doi.org/10.1115/IMECE2002-32161
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