Wave basin experiments on floating breakwaters with different layouts

Martinelli, Luca; Ruol, Piero; Zanuttigh, Barbara

doi:10.1016/j.apor.2008.09.002

Cited by 61 publications

(23 citation statements)

References 11 publications

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“…These results, indicating an improvement of the FB efficiency as the period decreases, agree with the experimental observations made by several authors (i.e. Torum et al [14]; Martinelli et al [13]). …”

Section: Resultssupporting

confidence: 83%

Evaluation of wave energy transmission through a floating breakwater using the SPH method

Rueda

Crespo

Rodrı́guez

2013

WIT Transactions on the Built Environment

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Energy transmission through a box-shaped floating breakwater (FB) is examined, under simplified conditions, by using the smoothed particle hydrodynamics (SPH) method, a mesh-free particle numerical approach. The efficiency of the structure is assessed in terms of the coefficient of transm ission as a function of the wave period and the location of the floating breakwater relative to the zone to be protected. Preliminary results conceming wave energy transmission reveals a clear improvement of the efficiency as wave period decreases andan important role ofthe bathymetry.

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Section: Resultssupporting

confidence: 83%

Evaluation of wave energy transmission through a floating breakwater using the SPH method

Rueda

Crespo

Rodrı́guez

2013

WIT Transactions on the Built Environment

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“…The extremely energetic storms of February 2014 proved that Perranporth is subject to increased erosion risks from rising sea level and storminess [53]. In view of these risks, and given that a wave farm consisting of floating WECs adapts naturally to any sea level changes [54], Perranporth constitutes a prime area for using such wave farms for coastal protection.…”

Section: Introductionmentioning

confidence: 99%

Coastal defence using wave farms: The role of farm-to-coast distance

2015

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a b s t r a c tThe location of a wave farm and, in particular, its distance to the coast is one of the key aspects in a wave energy project. The effects of the farm on the coast, which can be instrumental in mitigating storminduced erosion and thus contribute to coastal defence, are sometimes disregarded in selecting its location, possibly due to the inexistence of an ad hoc methodology. In this context, the objective of this work is to examine the influence of the farm-to-coast distance through a sensitivity analysis in a case study: Perranporth (UK). The impacts of a wave farm on the beach morphology are examined in four scenarios with different farm-to-coast distances using a high-resolution suite of numerical models. The results show that a wave farm closest to the beach offers the highest degree of coastal protection (up to 20% of beach erosion reduction). The downside of this enhanced coastal protection is that the wave resource available at this location would be slightly smaller (approx. 10%) than in the case of the wave farms further from the coast. More generally, we find that the farm-to-coast distance is a critical variable in determining the effectiveness of a wave farm for coastal defence.

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“…From the results, it is clear that when the focus is at the protection effectiveness, FFS shall be placed obliquely to the incident wave direction since for the examined PM r2 spec,1 the design variable u 4 = 77°, for the examined PM r2 spec,2 the design variable u 4 = 78°and for PM r2 spec,3 the u 4 = 77°. It must be noted that for the case of pure floating breakwaters, experimentally has been confirmed by Martinelli et al [52] and Loukogeorgaki et al [53] that better protection effectiveness can be achieved when the floating breakwater placed obliquely to the incident wave direction. Meanwhile, when the focus is at the energy production, FFS shall be placed almost perpendicularly to the incident wave direction.…”

Section: Application Of the Optimization Process For Irregular Wavesmentioning

confidence: 79%

Optimization of a flexible floating structure for wave energy production and protection effectiveness

Michailides

Angelides

2015

Engineering Structures

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Wave basin experiments on floating breakwaters with different layouts

Cited by 61 publications

References 11 publications

Evaluation of wave energy transmission through a floating breakwater using the SPH method

Evaluation of wave energy transmission through a floating breakwater using the SPH method

Coastal defence using wave farms: The role of farm-to-coast distance

Optimization of a flexible floating structure for wave energy production and protection effectiveness

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