Fully dispersive dynamic models for surface water waves above varying bottom, Part 1: Model equations

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Groesen, E. van and Andonowati (2011) Fully dispersive dynamic models for surface water waves above varying bottom, Part 1: Model equations. Wave Motion, 48 (7). pp. 657-666. ISSN 0165-2125

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Abstract:In this paper we formulate relatively simple models to describe the propagation of coastal waves from deep parts in the ocean to shallow parts near the coast. The models have good dispersive properties that are based on smooth quasi-homogeneous interpolation of the exact dispersion above flat bottom. This dispersive quality is then maintained in the second order nonlinear terms of uni-directional equations as known from the AB-equation. A linear coupling is employed to obtain bi-directional propagation which includes (interactions with) reflected waves. The derivation of the models is consistent with the basic variational formulation of surface waves without rotation. A subsequent spatial discretization that takes this variational structure into account leads to efficient and accurate codes, as will be shown in Part 2.
Item Type:Article
Copyright:© 2011 Elsevier
Faculty:
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/78967
Official URL:http://dx.doi.org/10.1016/j.wavemoti.2011.05.004
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