Numerical modelling of infragravity waves in coastal regions

Master thesis (2011)

Authors

Contributors

G.S. Stelling (mentor)
L.H. Holthuijsen (mentor)
M. Christou (mentor)
J.D. Pietrzak (mentor)
M. Zijlema (mentor)
M.A. de Schipper (mentor)
A.J.H.M. Reniers (mentor)
Programme
Environmental Fluid Dynamics (CEG) (TU Delft)
Copyright: © 2011 Rijnsdorp, D.P.
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Published Date

27-10-2011

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Programme

Environmental Fluid Dynamics

Abstract

Infragravity waves are a common feature in the nearshore wave field and have a significant impact on numerous coastal processes. It is therefore important to accurately predict infragravity wave conditions at a given location. However, analytical relations do not exist with which to make such predictions and one has to rely on numerical models. In this study infragravity waves are simulated with a linear 1D surf beat model (IDSB) and a non-hydrostatic model (SWASH). The aim of this study is to perform a detailed numerical investigation into the nearshore behaviour of infragravity waves. Specific attention is paid to the generation, propagation and reflection of IG-waves.