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coefficients (or the transverse force), in-line drag coefficients, correlation lengths, damping coefficients, relative roughness, shear, waves, and currents, among other governing and influencing parameters, and thus also require the input of relatively large safety factors. Fundamental studies as well as large-scale experiments (when these results are disseminated in the open literature) will provide the necessary understanding for the quantification of the relationships between the response of a structure and the governing and influencing parameters.
31:
266:) of VIV, albeit in the low-Reynolds number regime. The fundamental reason for this is that VIV is not a small perturbation superimposed on a mean steady motion. It is an inherently nonlinear, self-governed or self-regulated, multi-degree-of-freedom phenomenon. It presents unsteady flow characteristics manifested by the existence of two unsteady
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tethered structures, buoyancy and spar hulls, pipelines, cable-laying, members of jacketed structures, and other hydrodynamic and hydroacoustic applications. The most recent interest in long cylindrical members in water ensues from the development of hydrocarbon resources in depths of 1000 m or more. See also and.
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It cannot be emphasized strongly enough that the current state of the laboratory art concerns the interaction of a rigid body (mostly and most importantly for a circular cylinder) whose degrees of freedom have been reduced from six to often one (i.e., transverse motion) with a three-dimensional
137:
They occur in many engineering situations, such as bridges, stacks, transmission lines, aircraft control surfaces, offshore structures, thermowells, engines, heat exchangers, marine cables, towed cables, drilling and production risers in petroleum production, mooring cables, moored structures,
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in the synchronization range as a function of the controlling and influencing parameters? Industrial applications highlight our inability to predict the dynamic response of fluid–structure interactions. They continue to require the input of the in-phase and out-of-phase components of the lift
68:
A classic example is the VIV of an underwater cylinder. How this happens can be seen by putting a cylinder into the water (a swimming-pool or even a bucket) and moving it through the water in a direction perpendicular to its axis. Since real fluids always present some
89:
develop on each side of the body, thus leading to motion transverse to the flow. This motion changes the nature of the vortex formation in such a way as to lead to a limited motion amplitude (differently, than, from what would be expected in a typical case of
425:
Jones, G., Lamb, W.S., The Vortex
Induced Vibration of Marine Risers in Sheared and Critical Flows, Advances in Underwater Technology, Ocean Science and Offshore Engineering, Vol. 29, pp. 209-238, Springer Science + Business Media, Dordrecht
164:(based on the diameter of the circular member) the streamlines of the resulting flow is perfectly symmetric as expected from potential theory. However, as the Reynolds number is increased the flow becomes asymmetric and the so-called
388:
King, Roger (BHRA Fluid
Engineering), Vortex Excited Structural Oscillations of a Circular Cylinder in Steady Currents, OTC 1948, pp. 143-154, Ocean Technology Conference, 6–8 May 1974, Houston, Texas, USA.
435:
Soti A. K., Thompson M., Sheridan J., Bhardwaj R., Harnessing
Electrical Power from Vortex-Induced Vibration of a Circular Cylinder, Journal of Fluids and Structures, Vol. 70, Pages 360–373, 2017, DOI:
655:. International Association for Hydraulic Research (IAHR). Vol. 7 (Corrected reissue of first ed.). Mineola, New York, USA (A. A. Balkema Publishers, Rotterdam, Netherlands):
153:(TLP) tendons or tethers. These slender structures experience both current flow and top-end vessel motions, which both give rise to the flow-structure relative motions and cause VIVs.
224:
246:
The
Strouhal number for a cylinder is 0.2 over a wide range of flow velocities. The phenomenon of lock-in happens when the vortex shedding frequency becomes close to a natural
85:
is then formed, changing the pressure distribution along the surface. When the vortex does not form symmetrically around the body (with respect to its midplane), different
413:
Verley, R.L.P. (BHRA), Every, M.J. (BHRA), Wave
Induced Vibration of Flexible Cylinders, OTC 2899, Ocean Technology Conference, 2–5 May 1977, Houston, Texas, USA.
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relates the frequency of shedding to the velocity of the flow and a characteristic dimension of the body (diameter in the case of a cylinder). It is defined as
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tube arrays. It is also a major consideration in the design of ocean structures. Thus, study of VIV is a part of many disciplines, incorporating
273:
There is much that is known and understood and much that remains in the empirical/descriptive realm of knowledge: what is the dominant response
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frequency (or the
Strouhal frequency) of a body at rest, D is the diameter of the circular cylinder, and U is the velocity of the ambient flow.
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641:
622:
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Vandiver, J. Kim, Drag
Coefficients of Long Flexible Cylinders, OTC 4490, Ocean Technology Conference, May 2–5, 1983, Houston, Texas, USA.
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One of the classical open-flow problems in fluid mechanics concerns the flow around a circular cylinder, or more generally, a
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occurs. The motion of the cylinder thus generated due to the vortex shedding can be harnessed to generate electrical power.
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Much progress has been made during the past decade, both numerically and experimentally, toward the understanding of the
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349:"Numerical simulation of an oscillating cylinder in a cross-flow at low Reynolds number: Forced and free oscillations"
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Hong, K.-S.; Shah, U. H. (2018). "Vortex-induced vibrations and control of marine risers: A review".
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Sarpkaya, T. (2004). "A critical review of the intrinsic nature of vortex-induced vibrations".
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of vibration of a structure. When this occurs, large and damaging vibrations can result.
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Vortex-induced vibration (VIV) is an important source of fatigue damage of offshore
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VIV manifests itself on many different branches of engineering, from cables to
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Motions induced on bodies within a fluid flow due to vortices in the fluid
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Williamson, C. H. K.; Govardhan, R. (2004). "Vortex-induced vibrations".
278:
712:
541:
Sarpkaya, T. (1979). "Vortex-induced oscillations: A selective review".
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Bearman, P. W. (1984). "Vortex shedding from oscillating bluff bodies".
94:). This process then repeats until the flow rate changes substantially.
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of vortex-induced vibrations due to the flow around a circular cylinder.
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separated flow, dominated by large-scale vortical structures.
671:(NB. Reissue contains additional errata list in appendix.)
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https://www.onepetro.org/conference-paper/OTC-2899-MS
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https://www.onepetro.org/conference-paper/OTC-4490-MS
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https://www.onepetro.org/conference-paper/OTC-1948-MS
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from the body because of its excessive curvature. A
347:Placzek, A.; Sigrist, J.-F.; Hamdouni, A. (2009).
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718:Design Principles for Ocean Vehicles Course, MIT
611:Mechanics of wave forces on offshore structures
145:drilling, export, production risers, including
651:Naudascher, Edward; Rockwell, Donald (2005) .
653:Flow-induced vibrations: An Engineering Guide
8:
634:Hydrodynamics around cylindrical structures
449:(On an unusual sort of sound excitation),
447:"Ueber eine besondere Art der Tonerregung"
723:eFunda: Introduction to Vortex Flowmeters
632:Sumer, B. Mutlu; Fredsøe, Jørgen (2006).
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77:. At some point, however, that layer can
713:Vortex induced vibration data repository
219:{\displaystyle {\textrm {St}}=f_{st}D/U}
61:, produced by, or the motion producing,
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526:10.1146/annurev.fluid.36.050802.122128
230:(a Czech scientist). In the equation f
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609:Sarpkaya, T.; Isaacson, M. (1981).
592:10.1016/j.jfluidstructs.2004.02.005
495:10.1146/annurev.fl.16.010184.001211
436:10.1016/j.jfluidstructs.2017.02.009
270:layers and large-scale structures.
226:and is named after Čeněk (Vincent)
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572:Journal of Fluids and Structures
505:Annual Review of Fluid Mechanics
474:Annual Review of Fluid Mechanics
368:10.1016/j.compfluid.2008.01.007
699:10.1016/j.oceaneng.2018.01.086
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451:Annalen der Physik und Chemie
281:, the variation of the phase
57:interacting with an external
543:Journal of Applied Mechanics
115:computational fluid dynamics
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277:, the range of normalized
53:) are motions induced on
47:vortex-induced vibrations
63:periodic irregularities
356:Computers & Fluids
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18:Flow-induced vibration
615:Van Nostrand Reinhold
248:fundamental frequency
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147:steel catenary risers
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445:Strouhal, V. (1878)
317:Kármán vortex street
293:), and the response
254:Current state of art
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166:Kármán vortex street
151:tension leg platform
107:structural mechanics
35:Numerical simulation
691:2018OcEng.152..300H
584:2004JFS....19..389S
555:1979JAM....46..241S
518:2004AnRFM..36..413W
487:1984AnRFM..16..195B
312:Aeroelastic flutter
657:Dover Publications
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678:Ocean Engineering
666:978-0-486-44282-2
643:978-981-270-039-1
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685:: 300–315.
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512:: 413–455.
481:: 195–222.
149:(SCRs) and
87:lift forces
333:References
289:leads the
260:kinematics
158:bluff body
133:Motivation
123:statistics
111:vibrations
59:fluid flow
376:121271671
295:amplitude
275:frequency
119:acoustics
92:resonance
71:viscosity
738:Vortices
732:Category
534:58937745
306:See also
279:velocity
264:dynamics
228:Strouhal
79:separate
687:Bibcode
580:Bibcode
551:Bibcode
514:Bibcode
483:Bibcode
234:is the
117:(CFD),
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345:Cfm.:
125:, and
83:vortex
55:bodies
530:S2CID
426:1993.
372:S2CID
352:(PDF)
287:force
283:angle
268:shear
661:ISBN
638:ISBN
619:ISBN
171:The
695:doi
683:152
596:hdl
588:doi
559:doi
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491:doi
364:doi
51:VIV
41:In
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206:D
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
