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Modeling of Heave Induced Lateral Motion

[+] Author Affiliations
Cédric Le Cunff

Principia R.D., Houston, TX

Mélanie Bonnissel

Principia R.D., La Ciotat, France

Julien Szydlowski

Institut Français du Pétrole, Rueil-Malmaison, France

Gilbert Damy

IFREMER, Plouzané, France

Paper No. OMAE2009-79652, pp. 639-645; 7 pages
doi:10.1115/OMAE2009-79652
From:
  • ASME 2009 28th International Conference on Ocean, Offshore and Arctic Engineering
  • Volume 5: Polar and Arctic Sciences and Technology; CFD and VIV
  • Honolulu, Hawaii, USA, May 31–June 5, 2009
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 978-0-7918-4345-1 | eISBN: 978-0-7918-3844-0
  • Copyright © 2009 by ASME

abstract

A simplified model is proposed to predict Heave Induced Lateral Motion (HILM) for Steel Catenary Risers (SCR), based on experimental measurements carried out at IFREMER Brest. Two campaigns were conducted to obtain data on the displacement of a SCR in the Touch-Down Zone (TDZ) induced by top motion. The first campaign was used to understand the response of the structure and develop the model. A second campaign was launched to obtain a wider range of data in terms of heave amplitude and frequency. This data were used to define the model parameters. The influence of heave lateral motion on riser damage was then assessed.

Copyright © 2009 by ASME
Topics: Motion , Modeling

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