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Studying the Impact of Unstructured Mesh Adaptation on Free Surface Flow Simulations

[+] Author Affiliations
Olivier Allain, Damien Guégan

LEMMA, Biot, France

Frédéric Alauzet

LEMMA and INRIA, Le Chesnay, France

Paper No. OMAE2009-79762, pp. 707-715; 9 pages
doi:10.1115/OMAE2009-79762
From:
  • ASME 2009 28th International Conference on Ocean, Offshore and Arctic Engineering
  • Volume 5: Polar and Arctic Sciences and Technology; CFD and VIV
  • Honolulu, Hawaii, USA, May 31–June 5, 2009
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 978-0-7918-4345-1 | eISBN: 978-0-7918-3844-0
  • Copyright © 2009 by ASME

abstract

Engineering offshore problems require a continuous progress in the simulation of systems coupling structures and fluids with interfaces. The needs concern complex interface motions and fluid-structure interaction with slamming. The proposed methodology combines, in a parallel message passing algorithm, a level set based interface tracking, a standard finite element projection method on unstructured meshes and a dynamic mesh adaptation process for time dependent problems. This numerical method is applied to the study of a wedge impacting a free surface in two dimensions [1, 2] and the three-dimensional simulation of a breaking water column which impacts an obstacle [3] for which experimental results are available.

Copyright © 2009 by ASME

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