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A theoretical and experimental study of the capsize of Salter's duck in extreme waves

  • M. Greenhow (a1), T. Vinje (a1), P. Brevig (a2) and J. Taylor (a3)

Abstract

This paper examines the problem of the survival of Salter's duck wave-energy device in extreme waves, both experimentally in a narrow tank at Edinburgh University and theoretically, using programs originally designed to study nonlinear ship motions (Vinje & Brevig 1981). Both approaches are essentially two-dimensional, corresponding to waves normally incident upon the duck string, and comparison of the two sets of results for a duck on a fixed axis shows good agreement.

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Brevig, P., Greenhow, M. & Vinje, T. 1981 Extreme wave forces on submerged cylinders. In Proc. B.H.R.A. 2nd Int. Symp. on Wave and Tidal Energy, Cambridge.
Brevig, P., Greenhow, M. & Vinje, T. 1982 Extreme wave forces on submerged wave energy devices. J. Appl. Ocean Res. (to appear).
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Greenhow, M. 1980a Scatter diagram tests for duck and joint power and efficiency. Edinburgh Wave Power Project. Internal Rep.
Greenhow, M. 1980b An investigation into the effect of geometrical changes, non-linearities and backbone compliance on the efficiency of Salter's duck in monochromatic and mixed seas: part I. Edinburgh Wave Power Project Internal Rep.
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Vinje, T. & Brevig, P. 1980a Numerical simulation of breaking waves. In Proc. 3rd Int. Conf. on Finite Elements in Water Resources, Univ. of Miss., Oxford, Miss., May 1980.
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Vinje, T. & Brevig, P. 1981 Nonlinear ship motions. In Proc. 3rd Int. Conf. on Numerical Ship Hydrodynamics, Paris.
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A theoretical and experimental study of the capsize of Salter's duck in extreme waves

  • M. Greenhow (a1), T. Vinje (a1), P. Brevig (a2) and J. Taylor (a3)

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