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A Numerical Study on Squat of a Wigley Hull

[+] Author Affiliations
Mahmoud Alidadi

University of British Columbia, Vancouver, BC, Canada

Sander Calisal

University of British Columbia, Vancouver, BC, Canada; Piri Reis University, Istanbul, Turkey

Paper No. OMAE2011-49893, pp. 539-543; 5 pages
  • ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering
  • Volume 7: CFD and VIV; Offshore Geotechnics
  • Rotterdam, The Netherlands, June 19–24, 2011
  • ISBN: 978-0-7918-4439-7
  • Copyright © 2011 by ASME


A numerical study is conducted to calculate the squat for a wigley hull. An approach based on slender body theory is used to convert the three dimensional ship problem into a series of two dimensional problems in cross sections from bow to stern (solved sequentially in time). A boundary element method is used to compute the flow potential at every cross section. The ship squat is calculated from the pressure integration over the hull. Numerical results for the Wigley hull is presented and compared with the experimental results.

Copyright © 2011 by ASME
Topics: Hull



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