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Benchmark Study of Numerical Approaches for Wave-Current Interaction Problem of Offshore Floaters

[+] Author Affiliations
Zhiyuan Pan, Torgeir Vada, Styrk Finne, Arne Nestegård

DNV GL, Høvik, Norway

Jan Roger Hoff, Elin Marita Hermundstad, Carl Trygve Stansberg

MARINTEK, Trondheim, Norway

Paper No. OMAE2016-54411, pp. V001T01A024; 11 pages
doi:10.1115/OMAE2016-54411
From:
  • ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering
  • Volume 1: Offshore Technology; Offshore Geotechnics
  • Busan, South Korea, June 19–24, 2016
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 978-0-7918-4992-7
  • Copyright © 2016 by ASME

abstract

The influence from a current on the relative motions and wave drift forces for moored floater can be quite significant. In this paper, a benchmark study is carried out for three programs, MULDIF, WADAM and WASIM, with the focus on their capability on handling the wave-current interaction problem. A semi-submersible model Troll B and a tanker model KVLCC2 are used for this study. The motions, free surface elevation at specified off-body points and mean drift forces are calculated by the programs in different current or forward speed conditions. Analysis results are compared and discussed, with the aim to evaluate the numerical performance of each programs and their validity range in terms of current speed.

Copyright © 2016 by ASME

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