IMPACT OF HARBOR NAVIGATION CHANNELS ON WAVES: A NUMERICAL MODELLING GUIDELINE
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Keywords

Wave modelling
navigation channels
laboratory experiments
SWAN
SWASH.

How to Cite

Dusseljee, D., Klopman, G., van Vledder, G., & Riezebos, H. J. (2014). IMPACT OF HARBOR NAVIGATION CHANNELS ON WAVES: A NUMERICAL MODELLING GUIDELINE. Coastal Engineering Proceedings, 1(34), waves.58. https://doi.org/10.9753/icce.v34.waves.58

Abstract

This study presents an intercomparison of a SWAN and SWASH wave model and 3D laboratory experiments for an existing navigation channel towards a harbor. Results show that the spectral refraction model SWAN underestimates the wave conditions in the channel and at the lee side of the channel especially - for longer waves travelling under a small angle with the channel - due to the neglect of the effects of wave tunneling by diffraction and evanescent modes. The phase-resolving non-hydrostatic 3D model SWASH does include these effects and performs reasonably well, though computational CPU demands are much higher. A modelling guideline is presented for application to other situations, showing that these effects need to be taken into account in optimizing the (layout) of the harbor; otherwise it may lead to under- or overestimation of the wave conditions and wave penetration into a harbor basin.
https://doi.org/10.9753/icce.v34.waves.58
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