Green water overtopping analyzed with a SPH model

Wave overtopping on the decks of offshore platforms and ships can cause severe damage due to the high forces generated by the water. This phenomenon is analyzed within the framework of the Smoothed Particle Hydrodynamics (SPH) method. The presence of a fixed horizontal deck above the mean water leve...

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Bibliographic Details
Published in:Ocean engineering 2005-02, Vol.32 (2), p.223-238
Main Authors: Gómez-Gesteira, M., Cerqueiro, D., Crespo, C., Dalrymple, R.A.
Format: Article
Language:English
Subjects:
Applied sciences
Buildings. Public works
Exact sciences and technology
Ground, air and sea transportation, marine construction
Hydraulic constructions
Hydrodynamics
Lagrangian simulation
Marine
Marine and water way transportation and traffic
Offshore structure (platforms, tanks, etc.)
SPH model
Water overtopping
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Summary:Wave overtopping on the decks of offshore platforms and ships can cause severe damage due to the high forces generated by the water. This phenomenon is analyzed within the framework of the Smoothed Particle Hydrodynamics (SPH) method. The presence of a fixed horizontal deck above the mean water level modifies strongly the wave kinematics. In particular, the flow in the wave crest is split into two, showing a different behavior above and below the deck. Numerical results generated by the SPH method are compared to laboratory experiments. The formation of a jet in the rear of the deck after overtopping is observed under extreme conditions.
ISSN:0029-8018
1873-5258
DOI:10.1016/j.oceaneng.2004.08.003