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The Numerical Simulation of Green Water Loading Including Vessel Motions and the Incoming Wave Field

[+] Author Affiliations
K. M. Theresa Kleefsman, G. Erwin Loots, Arthur E. P. Veldman

University of Groningen, Groningen, The Netherlands

Bas Buchner, Tim Bunnik

Maritime Research Institute (MARIN), Wageningen, The Netherlands

Erik Falkenberg

Force Technology Norway AS, Sandvika, Norway

Paper No. OMAE2005-67448, pp. 981-992; 12 pages
doi:10.1115/OMAE2005-67448
From:
  • ASME 2005 24th International Conference on Offshore Mechanics and Arctic Engineering
  • 24th International Conference on Offshore Mechanics and Arctic Engineering: Volume 3
  • Halkidiki, Greece, June 12–17, 2005
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 0-7918-4197-9 | eISBN: 0-7918-3759-9
  • Copyright © 2005 by ASME

abstract

This paper presents results from simulation of green water loading including vessel motions. The simulation is performed through a domain decomposition: the far field and ship motions are calculated by potential theory and are used to simulate the local flow around the deck of an offshore floater using a Navier-Stokes solver. In the solver the free surface is displaced using a Volume of Fluid based method, improved by introducing a local height function. First, simulations of an irregular wave, where the velocities at the boundaries of the domain are prescribed using results of a linear diffraction code are performed in order to check wave propagation properties. Then, the same code is used to initiate the simulation of an FPSO in high waves, resulting in green water on the deck.

Copyright © 2005 by ASME

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