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Validation of HVS Semisubmersible VIM Performance by Model Test and CFD

[+] Author Affiliations
Qi Xu, Jang Kim, Tirtharaj Bhaumik, Jim O’Sullivan, James Ermon

Technip, Houston, TX

Paper No. OMAE2012-83207, pp. 175-185; 11 pages
doi:10.1115/OMAE2012-83207
From:
  • ASME 2012 31st International Conference on Ocean, Offshore and Arctic Engineering
  • Volume 1: Offshore Technology
  • Rio de Janeiro, Brazil, July 1–6, 2012
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 978-0-7918-4488-5
  • Copyright © 2012 by ASME

abstract

The present paper describes the validation of the HVS (Heave and VIM Suppressed) semisubmersible’s VIM response by model test and Computational Fluid Dynamics (CFD). The HVS semisubmersible is designed to achieve significantly improved motion characteristics for supporting steel catenary risers in hurricane and Loop Current environment of the Gulf of Mexico. In the development of the HVS design, a simplified and efficient CFD analysis in which the rotational motions are ignored was first used as a high-level screening tool. A towing tank model test was then performed to validate the VIM performance of the HVS design. Both the model test and CFD analysis demonstrated that the HVS design has superior VIM response compared to an equivalent conventional semisubmersible design.

Copyright © 2012 by ASME

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