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Blind predictions of laboratory measurements of vortex-induced vibrations of a tension riser

Blind predictions of laboratory measurements of vortex-induced vibrations of a tension riser
Blind predictions of laboratory measurements of vortex-induced vibrations of a tension riser
This paper compares laboratory measurements of the vortex-induced vibrations of a riser in a stepped current with blind predictions obtained with 11 different numerical models.. Results are included on in-line and transverse displacements and curvatures, and dominant frequencies. In general, empirical models were more successful at predicting cross-flow displacements and curvatures than current codes based on CFD. Overall ratios between predictions and measurements of cross-flow displacements were around 95% and 75% respectively. Predictions of cross-flow curvatures were more scattered, and almost all were unconservative. In-line vortex-induced curvatures, which may cause as much damage as cross-flow curvatures, could not be computed by any of the empirically-based codes, and in general those based on CFD were in very poor agreement with the measurements.
0889-9746
25-40
Chaplin, J.R.
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Bearman, PW.
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Cheng, Y.
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Fontaine, E.
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Graham, J.M.R.
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Herfjord, K.
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Huera Huarte, F.J.
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Isherwood, M.
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Lambrakos, K.
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Larsen, C.M.
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Meneghini, J.R.
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Moe, G.
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Pattenden, R.J.
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Triantafyllou, M.S.
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Willden, R.H.J.
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Chaplin, J.R.
d5ed2ba9-df16-4a19-ab9d-32da7883309f
Bearman, PW.
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Cheng, Y.
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Fontaine, E.
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Graham, J.M.R.
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Herfjord, K.
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Huera Huarte, F.J.
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Isherwood, M.
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Lambrakos, K.
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Larsen, C.M.
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Meneghini, J.R.
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Moe, G.
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Pattenden, R.J.
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Triantafyllou, M.S.
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Willden, R.H.J.
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Chaplin, J.R., Bearman, PW., Cheng, Y., Fontaine, E., Graham, J.M.R., Herfjord, K., Huera Huarte, F.J., Isherwood, M., Lambrakos, K., Larsen, C.M., Meneghini, J.R., Moe, G., Pattenden, R.J., Triantafyllou, M.S. and Willden, R.H.J. (2005) Blind predictions of laboratory measurements of vortex-induced vibrations of a tension riser. Journal of Fluids and Structures, 21 (1), 25-40. (doi:10.1016/j.jfluidstructs.2005.05.016).

Record type: Article

Abstract

This paper compares laboratory measurements of the vortex-induced vibrations of a riser in a stepped current with blind predictions obtained with 11 different numerical models.. Results are included on in-line and transverse displacements and curvatures, and dominant frequencies. In general, empirical models were more successful at predicting cross-flow displacements and curvatures than current codes based on CFD. Overall ratios between predictions and measurements of cross-flow displacements were around 95% and 75% respectively. Predictions of cross-flow curvatures were more scattered, and almost all were unconservative. In-line vortex-induced curvatures, which may cause as much damage as cross-flow curvatures, could not be computed by any of the empirically-based codes, and in general those based on CFD were in very poor agreement with the measurements.

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Published date: 2005

Identifiers

Local EPrints ID: 39449
URI: http://eprints.soton.ac.uk/id/eprint/39449
ISSN: 0889-9746
PURE UUID: 4a448ecd-3151-4282-80cb-419aeb3d090b

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Date deposited: 28 Jun 2006
Last modified: 15 Jul 2019 19:01

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Contributors

Author: J.R. Chaplin
Author: PW. Bearman
Author: Y. Cheng
Author: E. Fontaine
Author: J.M.R. Graham
Author: K. Herfjord
Author: F.J. Huera Huarte
Author: M. Isherwood
Author: K. Lambrakos
Author: C.M. Larsen
Author: J.R. Meneghini
Author: G. Moe
Author: R.J. Pattenden
Author: M.S. Triantafyllou
Author: R.H.J. Willden

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