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Noise and Vibration Prediction for Semi-Submersible Drilling Rig

[+] Author Affiliations
Chen Gang, Yuan Hong Tao, Wang Qi

Shanghai Waigaoqiao Shipbuilding Co., Shanghai, China

Paper No. OMAE2011-49025, pp. 1-10; 10 pages
doi:10.1115/OMAE2011-49025
From:
  • ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering
  • Volume 1: Offshore Technology; Polar and Arctic Sciences and Technology
  • Rotterdam, The Netherlands, June 19–24, 2011
  • ISBN: 978-0-7918-4433-5
  • Copyright © 2011 by ASME

abstract

Noise and vibration prediction technology based on acoustic FEM, hybrid method and SEA methods is applied to the design of a semi-submersible drilling rig. The modeling and vibra-acoustic computation are combined into the same software environment. Noise transmission paths are identified and feasible noise reduction designs are proposed with adding absorption and insulation materials. In order to meet with the strict requirements on sound pressure levels, damping materials are also used in some special areas.

Copyright © 2011 by ASME

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