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Numerical Simulation of the 3D Viscous Flow Around a Vertical Cylinder in Non-Linear Waves Using an Explicit Incident Wave Model

[+] Author Affiliations
L. Gentaz, R. Luquet, B. Alessandrini, P. Ferrant

Ecole Centrale de Nantes, Nantes Cedex, France

Paper No. OMAE2004-51098, pp. 157-163; 7 pages
doi:10.1115/OMAE2004-51098
From:
  • ASME 2004 23rd International Conference on Offshore Mechanics and Arctic Engineering
  • 23rd International Conference on Offshore Mechanics and Arctic Engineering, Volume 1, Parts A and B
  • Vancouver, British Columbia, Canada, June 20–25, 2004
  • Conference Sponsors: Ocean, Offshore, and Arctic Engineering Division
  • ISBN: 0-7918-3743-2 | eISBN: 0-7918-3738-6
  • Copyright © 2004 by ASME

abstract

The numerical simulation of 3D wave-body interaction problems in viscous fluid still leads to numerical difficulties, mainly due to large grid and CPU time requirements, especially for wave generation and propagation aspects. The correct treatment of open boundary conditions also remains problematic in direct approaches The method proposed here allows to avoid these problems by solving a modified problem for the diffracted flow only, the incident wave field being explicitly described by potential flow models. A set of results, both on 2D and 3D geometries is presented and commented, showing the capacity of the proposed scheme to solve problems of practical interest in ocean or offshore engineering in an efficient and accurate manner.

Copyright © 2004 by ASME

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