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Nonlinear analysis of an actuated seafloor-mounted carpet for a high-performance wave energy extraction by Mohammad-Reza Alam Proceedings A Volume 468(2146):3153-3171.

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Presentation on theme: "Nonlinear analysis of an actuated seafloor-mounted carpet for a high-performance wave energy extraction by Mohammad-Reza Alam Proceedings A Volume 468(2146):3153-3171."— Presentation transcript:

1 Nonlinear analysis of an actuated seafloor-mounted carpet for a high-performance wave energy extraction by Mohammad-Reza Alam Proceedings A Volume 468(2146):3153-3171 October 8, 2012 ©2012 by The Royal Society

2 Schematic of a synthetic viscoelastic carpet on the seafloor for extracting energy from surface gravity waves. Mohammad-Reza Alam Proc. R. Soc. A 2012;468:3153-3171 ©2012 by The Royal Society

3 Plot of branches of the undamped dispersion relation (equation (2.4) with ζ=0) and ratio of bottom elevation to the surface elevation (2.3b). Mohammad-Reza Alam Proc. R. Soc. A 2012;468:3153-3171 ©2012 by The Royal Society

4 (a,b) Real and (c,d) imaginary branches of the solution Ω(μ) to the dispersion relation (2.4) for γ=0.9, and (a,c) ζ=0.35 and (b,d) ζ=0.60. Mohammad-Reza Alam Proc. R. Soc. A 2012;468:3153-3171 ©2012 by The Royal Society

5 The initial rate of energy damping in the (a) surface and (b) bottom mode of a monochromatic wave travelling over the CWEC carpet. Mohammad-Reza Alam Proc. R. Soc. A 2012;468:3153-3171 ©2012 by The Royal Society

6 Effect of nonlinear interactions on the initial rate of energy absorption by the CWEC carpet. Mohammad-Reza Alam Proc. R. Soc. A 2012;468:3153-3171 ©2012 by The Royal Society

7 Time evolution of energy of a monochromatic surface wave for different damping coefficient of the bottom ζ. Mohammad-Reza Alam Proc. R. Soc. A 2012;468:3153-3171 ©2012 by The Royal Society

8 Energy absorption from a spectrum of waves. Mohammad-Reza Alam Proc. R. Soc. A 2012;468:3153-3171 ©2012 by The Royal Society

9 A snapshot of water surface and the bottom elevation for the spectrum studied in §5b. Mohammad-Reza Alam Proc. R. Soc. A 2012;468:3153-3171 ©2012 by The Royal Society


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