In the present work, we study the capabilities of a one-side segmented wavemaker to generate multidirectional sea states. We want to reproduce typical West Africa sea conditions in a rectangular basin, that is, two spectra representing swell and wind waves with main directions relative to the basin axis. For that purpose, we study two generation techniques proposed, respectively, by Dalrymple and Molin which rely on the control of sidewall reflections in order to enlarge the testing zone. Both numerical and experimental results show that the use of such methods in combination with a one-side wavemaker provides high quality wave fields as well as large extent testing area. The Molin method appears to be more efficient in terms of wave field quality within the testing area although the tuning of its setting parameters requires more care than the Dalrymple method.
Generation of Large Angle Bimodal Sea States Using One-Side Segmented Wavemaker
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de Reilhac, P. R., Bonnefoy, F., and Ferrant, P. (July 16, 2008). "Generation of Large Angle Bimodal Sea States Using One-Side Segmented Wavemaker." ASME. J. Offshore Mech. Arct. Eng. August 2008; 130(3): 031008. https://doi.org/10.1115/1.2904953
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