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Publicações
Karmakar, D., Bhattacharjee, J. e Guedes Soares, C. (2012), "Scattering of gravity waves by multiple surface-piercing floating membrane", Applied Ocean Research, Vol. 39, pp. 40-52
Interaction of surface gravitywaves with multiple vertically moored surface-piercing membrane breakwaters in finitewater depth is analyzed based on the linearized theory of waterwaves. The study is carried out using least square approximationmethod to understand the effect of the verticalmembrane as effective breakwater. Initially the problem is studied for a single membrane wave barrier but for the case of multiple membrane breakwaters the study is carried out using the method of wide-spacing approximation. In the present study, it is observed that the deflection of the membrane is reduced with the increase in the stiffness parameter of the mooring lines attached to the membrane. In the case of single surface-piercing membrane with moored and fixed edge conditions, the reflection and transmission coefficients are compared and analyzed in detail. The resonating pattern in the reflection coefficients are also observed for multiple floating membrane which can also be referred as Bragg’s resonance. In the presence of the porosity constant the wave reflection is also observed to be decreasing and the change in the distance between the vertical floating breakwaters also helps in the attenuation of wave height. It is observed that the presence ofmultiple floating breakwater helps in the reduction of wave height in the transmitted region.
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