The aim of this work is to estimate the risk of clashing between steel catenary risers (SCRs) due to wake interference. More generally, the validity of clearance analysis between risers as recommended by design codes is discussed. Considering the complexity of the problem, theoretical, numerical, and experimental approaches have been used jointly. Similitude rules have been investigated to reproduce wake induced oscillations (WIO) at model scale. Different regimes have been identified (stable, unstable, and critical) depending on the intensity and effects of WIO. The validity of steady wake models used in the industry is discussed in view of the experimental data. Finally, onset criteria for WIO and clashing are proposed based on comparison between experimental and numerical results.
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February 2013
Research-Article
Experimental and Numerical Study of Wake Interference and Clashing Between Steel Catenary Risers
J. Capul,
J. Capul
IFP
,1 et 4 avenue de Bois Préau
,92852 Rueil Malmaison
, France
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T. Rippol,
T. Rippol
Océanide
,Z.I. de Brégaillon, BP 63
,83852 La Seyne/Mer
, France
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P. Lespinasse
P. Lespinasse
TOTAL
,Tour Coupole
,2 Place de Coupole
92078 Paris la Defense
, France
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E. Fontaine
e-mail: emmanuel_fontaine@me.com
J. Capul
IFP
,1 et 4 avenue de Bois Préau
,92852 Rueil Malmaison
, France
T. Rippol
Océanide
,Z.I. de Brégaillon, BP 63
,83852 La Seyne/Mer
, France
P. Lespinasse
TOTAL
,Tour Coupole
,2 Place de Coupole
92078 Paris la Defense
, France
Contributed by the Ocean Offshore and Arctic Engineering Division of ASME for publication in the JOURNAL OF OFFSHORE MECHANICS AND ARCTIC ENGINEERING. Manuscript received January 10, 2010; final manuscript received January 19, 2011; published online February 22, 2013. Assoc. Editor: Rene Huijsmans.
J. Offshore Mech. Arct. Eng. Feb 2013, 135(1): 011701 (8 pages)
Published Online: February 22, 2013
Article history
Received:
January 10, 2010
Revision Received:
January 19, 2011
Citation
Fontaine, E., Capul, J., Rippol, T., and Lespinasse, P. (February 22, 2013). "Experimental and Numerical Study of Wake Interference and Clashing Between Steel Catenary Risers." ASME. J. Offshore Mech. Arct. Eng. February 2013; 135(1): 011701. https://doi.org/10.1115/1.4007328
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