This paper reports ongoing work on a horizontally submerged tension-moored flexible sheet serving as a wave energy absorber. The device represents a “smart structure” designed for efficient wave energy conversion, and would have such advantages as low primary converter costs, multiple resonant peaks, and ready tunability with reactive loading. The natural response of the sheet is studied analytically, and both flexural and membrane effects are modeled. Natural frequency dependence on device length and in-plane applied tension is investigated. Secondary energy conversion is via hydraulic actuators applying point loads, and desirable locations for the actuators are identified. Finally, the effect of reactive loads on the dynamic response is explored through calculations on the lowest oscillation mode.
- Ocean, Offshore and Arctic Engineering Division
Studies on a Submerged Flexible Sheet Type Wave Energy Device With Distributed Point-Wise Secondary Power Conversion
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Korde, UA. "Studies on a Submerged Flexible Sheet Type Wave Energy Device With Distributed Point-Wise Secondary Power Conversion." Proceedings of the ASME 2007 26th International Conference on Offshore Mechanics and Arctic Engineering. Volume 5: Ocean Space Utilization; Polar and Arctic Sciences and Technology; The Robert Dean Symposium on Coastal and Ocean Engineering; Special Symposium on Offshore Renewable Energy. San Diego, California, USA. June 10–15, 2007. pp. 571-577. ASME. https://doi.org/10.1115/OMAE2007-29630
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