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Numerical Study of Wave Slamming on an Oscillating Flap

[+] Author Affiliations
Yanji Wei, Frederic Dias

University College Dublin, Dublin, Ireland

Alan Henry

Aquamarine Power Ltd., Edinburgh, Scotland, UK

Olivier Kimmoun

Ecole Centrale Marseille, Marseille, France

Paper No. OMAE2014-23171, pp. V08AT06A016; 9 pages
doi:10.1115/OMAE2014-23171
From:
  • ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering
  • Volume 8A: Ocean Engineering
  • San Francisco, California, USA, June 8–13, 2014
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 978-0-7918-4550-9
  • Copyright © 2014 by ASME

abstract

Bottom hinged Oscillating Wave Surge Converters (OWSCs) are efficient devices for extracting power from ocean waves. There is limited knowledge about wave slamming on such devices. This paper deals with numerical studies of wave slamming on an oscillating flap to investigate the mechanism of slamming events. In our model, the Navier–Stokes equations are discretized using the Finite Volume method with the Volume of Fluid (VOF) approach for interface capturing. Waves are generated by a flap-type wave maker in the numerical wave tank, and the dynamic mesh method is applied to model the motion of the oscillating flap. Basic mesh and time step refinement studies are performed. The flow characteristics in a slamming event are analysed based on numerical results. Various simulations with different flap densities, water depths and wave amplitudes are performed for a better understanding of the slamming.

Copyright © 2014 by ASME
Topics: Waves

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