Publications

Gonçalves, M., Rusu, E. and Guedes Soares, C. (2012), “Evaluation of the wave models SWAN and STWAVE in shallow water using nested schemes”, Maritime Engineering and Technology, Guedes Soares et al. (Eds),Taylor & Francis Group, London, pp. 481-485

The objective of the study presented herewith is to evaluate two state of the art models based on the spectrum concept, SWAN and STWAVE. This study is especially focused on the performance of the two models in shallow and very shallow water. The target area considered is Porto Ferro, which is located on the northwest coast of Sardinia. Comparisons were made as regards the spatial distribution of the main wave parameters, based on the results obtained by both models. In the time domain comparisons are made for the period 6–14 February 2005. A wave-rider type buoy was used as offshore forcing source and the same nested scheme was considered for both models to study the wave transformation towards the shore. As a general conclusion, besides its simplicity, a major advantage brought by the STWAVE model is that almost no BC effect is introduced as in SWAN. This is due to the scheme adopted for the wave propagation along a wave ray. Nevertheless this feature represents an advantage mainly for one computational domain rather than in the case of nested schemes.

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