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Simulations for Design and Reconstruction of Breaking Waves in a Wavetank

[+] Author Affiliations
R. Kurnia

University of Twente, Twente, The Netherlands

T. van den Munckhof, C. P. Poot, P. Naaijen, R. H. M. Huijsmans

Technical University of Delft, Delft, The Netherlands

E. van Groesen

University of Twente & LabMath-Indonesia, Twente, The Netherlands

Paper No. OMAE2015-41633, pp. V001T01A011; 7 pages
  • ASME 2015 34th International Conference on Ocean, Offshore and Arctic Engineering
  • Volume 1: Offshore Technology; Offshore Geotechnics
  • St. John’s, Newfoundland, Canada, May 31–June 5, 2015
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 978-0-7918-5647-5
  • Copyright © 2015 by ASME


To determine forces on fixed and flexible structures such as wind mills and oil platforms, experiments in wave tanks are useful to investigate the impacts in various types of environmental waves. In this paper we show that the use of an efficient simulation code can optimize the experiments by designing the influx such that waves will break at a predefined position of the structure. The consecutive actual measurements agree well with the numerical design of the experiments. Using the measured elevation close by the wave maker as input, the software recovers the experimental data in great detail, even for rather short (up to L/D=1) and very steep breaking waves with steepness parameter (ak) till 0.4.

The experiments were carried out in the TUD-wavetank and the simulation is done by HaWaSSI-AB, a spatial-spectral implementation of a Hamiltonian Boussinesq model with an eddy-viscosity breaking mechanism that is initiated by a kinematic breaking condition.

Copyright © 2015 by ASME
Topics: Simulation , Waves , Design



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