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Abstract
This study focuses on the numerical modeling of wave fields around structures due to their interaction with waves, with the intention to simulate both the resulting near and far field effects. Examples from the wave energy world are employed such as Wave Energy Converters (WECs), fixed or oscillating devices usually arranged in farms, that interact with the incoming waves and extract wave energy from them. As a result of the hydrodynamic interaction between the devices within a farm (so-called near-field effects), the power absorption of the farm is affected. Moreover, wave dissipation has been observed numerically (e.g. Troch et al., 2010) and in scale tests (e.g. Stratigaki et al., 2014; 2015) between the WEC farm location and e.g. the shoreline (so called far-field effects). These wave field changes can affect neighboring sea activities, coastal eco-systems, the coastline and even coastal defense conditions/parameters.References
Troch & Stratigaki (2016): Phase-Resolving Wave Propagation Models. In: Folley (Ed), Numerical Modelling of Wave Energy Converters, Elsevier, Ch. 10, 27 pp.
Stratigaki, Troch, et al. (2014): Wave basin experiments with large wave energy converter arrays to study interactions between the converters & effects on other users in the sea and the coastal area. Energies, 7, 701-734.
Stratigaki, Troch, et al. (2015): Sea-state modification & heaving float interaction factors from physical modelling of arrays of wave energy converters. J. Renew. Sustain. Ener. 7.
Troch (1998): MILDwave - A numerical model for propagation & transformation of linear water waves. Int.Report,Ghent University.
Troch, et al. (2010): Wake effects behind a farm of wave energy converters for irregular long-crested & shortcrested waves.ICCE. * WAMIT, http://www.wamit.com/manual.htm.