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

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: ©2012 by The Royal Society

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: ©2012 by The Royal Society

(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: ©2012 by The Royal Society

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: ©2012 by The Royal Society

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

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: ©2012 by The Royal Society

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

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