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Computation of Fully Nonlinear Wave Loads on a Large Container Ship by CIP Based Cartesian Grid Method

[+] Author Affiliations
Changhong Hu, Makoto Sueyoshi

Kyushu University, Fukuoka, Japan

Ryuji Miyake, Tingyao Zhu

Nippon Kaiji Kyokai (ClassNK), Chiba, Japan

Paper No. OMAE2010-20826, pp. 781-787; 7 pages
doi:10.1115/OMAE2010-20826
From:
  • ASME 2010 29th International Conference on Ocean, Offshore and Arctic Engineering
  • 29th International Conference on Ocean, Offshore and Arctic Engineering: Volume 3
  • Shanghai, China, June 6–11, 2010
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 978-0-7918-4911-8 | eISBN: 978-0-7918-3873-0
  • Copyright © 2010 by ASME

abstract

A Cartesian grid method with CIP (Constraint Interpolation Profile [1]) based flow solver has been developed and applied to many strongly nonlinear free surface problems. In this paper we present a research on applying the method to predict nonlinear wave loads on a container ship, which is advancing at a constant forward speed in regular waves with large amplitudes. Numerical computations are carried out on a head sea case and a bow sea case. The computed frequency response characteristics for the ship motions and the wave loads including vertical bending moments on the cross-sections and hydrodynamic pressures on the hull, are compared to a model test result and the result obtained by two potential flow based numerical methods. The nonlinear features of the numerical results are discussed.

Copyright © 2010 by ASME

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