The horizontal wave drift force acting on a vertical floating column, without then with a heave plate, is considered. Computations are performed with a diffraction-radiation code and through the Morison and Rainey equations. Focus is on wave frequencies around the heave resonance where the drift force may be significant, even though the scattered wave-field being weak. It is found that the Morison equation overpredicts the drift force while Rainey equations perform rather well.
- Ocean, Offshore and Arctic Engineering Division
On Approximations of the Wave Drift Forces Acting on Semi-Submersible Platforms With Heave Plates
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Molin, B, & Lacaze, J. "On Approximations of the Wave Drift Forces Acting on Semi-Submersible Platforms With Heave Plates." Proceedings of the ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering. Volume 1: Offshore Technology; Offshore Geotechnics. Busan, South Korea. June 19–24, 2016. V001T01A042. ASME. https://doi.org/10.1115/OMAE2016-54166
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