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Numerical Analysis of Wave Impact Loads on Semi-Submersible Platform

[+] Author Affiliations
Kangping Liao, Wenyang Duan, QingWei Ma, Shan Ma, Binbin Zhao

Harbin Engineering University, Harbin, China

Changhong Hu

Kyushu University, Fukuoka, Japan

Paper No. OMAE2017-62464, pp. V001T01A084; 6 pages
doi:10.1115/OMAE2017-62464
From:
  • ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering
  • Volume 1: Offshore Technology
  • Trondheim, Norway, June 25–30, 2017
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 978-0-7918-5763-2
  • Copyright © 2017 by ASME

abstract

In rough sea conditions, semi-submersible platform often suffers from extreme wave impact loads, which can result in structural damage. It is important to predict the wave impact loads on semi-submersible platform. Therefore, the purpose of this study is to investigate the wave impact loads on semi-submersible platform with numerical methods. A numerical method, based on a fixed regular Cartesian grid system, has been developed by the authors. In the method, the FDM (Finite Difference Method) is applied for solving flow field, and the THINC/SW (Tangent of Hyperbola for INterface Capturing with Slope Weighting) model, which is kind of VOF (Volume-of-Fluid) model, is adopted to capture the free surface. Some selected model test cases, form Exwave JIP project, will be used to validate the present numerical method and to analyze the wave impact loads on semi-submersible platform.

Copyright © 2017 by ASME

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