Surface wave predictions in weakly nonlinear directional seas
Journal article, Peer reviewed
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OriginalversjonApplied Ocean Research. 2017, 65 79-89. 10.1016/j.apor.2017.03.009
We have employed laboratory and numerical experiments in order to investigate propagation of waves in both long and short-crested wave fields in deep water. For long-crested waves with steepness, ϵ = kcac = 0.1 (a fairly extreme case), reliable prediction can be performed with the modified nonlinear Schrödinger equation up to about 40 characteristic wavelengths. For short-crested waves the accuracy of prediction is strongly reduced with increasing directional spread.