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Publications
Silva, D., Rusu, E. and Guedes Soares, C. (2016), “High-resolution wave energy assessment in shallow water accounting for tides”, Energies, Vol. 9, pp. 761-779
The wave energy in a shallow water location is evaluated considering the influence of the local tide and wind on the wave propagation. The target area is the coastal area just north of the Portuguese city of Peniche, where a wave energy converter operates on the sea bottom. A wave modelling system based on SWAN has been implemented and focused on this coastal environment in a multilevel computational scheme. While all the other SWAN areas belonging to this wave prediction system were defined using the spherical coordinates, in the highest resolution computational domain Cartesian coordinates have been considered, with a resolution of 25 meters in both directions. An in depth analysis of the main characteristics of the environmental matrix has been performed, based on the results of 8-year model system simulations (2005-2012). New simulations have been carried out in the last two computational domains with the most relevant wave and wind patterns and considering also the tide effect. The results show that the tide level, together with the wind intensity and direction, may influence in a significant degree the wave characteristics, especially the wave power, in the location where the wave converter operates.
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