Interaction of a Flexible Floating Carpet With Ocean Waves
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abstract
A concept of wave energy extraction using a large thin floating structure called wave carpet is analyzed. This paper examines the hydroelastic properties of the wave carpet. In determining the motion of the carpet, a simplified linear two-dimensional problem is formulated. The carpet is assumed to be a slender elastic beam with free ends. The hydrodynamic pressures along the carpet in waves are computed taking into account the dry eigenmodes of the carpet and the wave diffraction/radiation effect on the carpet. The amplitudes of carpet deflection and available energy stored in the carpet are estimated. The amount of energy that can be extracted for a typical carpet size is determined. The analysis is extended to random waves. The simplified method shows that it represents physical displacements of such a configuration by comparing the deflection of the carpet with available model test data on such plates.
name of conference
Offshore Mechanics and Arctic Engineering Symposium
