In-Seung Park, S. Im, E. Powers, A. Duggal, Peter Johnson
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Nonlinear Characteristics of Laboratory-Generated Irregular Waves
In this paper we consider the use of so-called sparse Volterra time-domain models to decompose experimentally observed irregular waves into their first- and second order components. By decomposing the wave elevation, the influence of the individual linear and quadratic components on the large, extreme waves are quantified. The performance of the sparse Volterra and full Volterra modeling techniques are compared by implementing them for modeling and prediction of wave elevation as well as wave decomposition.