Chapter 4

Spectral-Domain Models

M. Folley    School of Planning, Architecture and Civil Engineering, Queen's University Belfast, Belfast, Northern Ireland

Abstract

Spectral-domain models are a relatively efficient method of producing an estimate of the expected response and power capture for wave energy converters (WECs) that are subject to nonlinear forces such as Coulomb (constant) or viscous (quadratic) damping. They are generally faster than time-domain models and more accurate than frequency-domain models. However, these models can only be used for spectral excitation and are not appropriate for use with monochromatic waves. The estimates of the expected responses and power captures are made using the assumption that the individual ...

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