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Title: Wave Interaction with Single and Twin Porous Walls
Authors: Noor Anwar Al Anjari 
Supervisor: Dr. Mohamad Alkhalidi
Keywords: Wave : Porous
Issue Date: 2017
Publisher:  Kuwait university - college of graduate studies
Abstract: Slotted walls are a cost effective and space saving alternative to standard rubble mound structures in dissipating incoming wave energy and protecting the shoreline. The performance of porous walls with varying porosities and number of walls was investigated to assess the characteristics of wave energy dissipation and wave transmission under several regular and random waves conditions. A detailed physical model study has been carried out in the wave basin of the coastal lab at the Kuwait Institute for Scientific Research for different wall configurations subjected to various waves conditions at a constant water depth. A parametric analysis was performed to understand the effects of porosity, number of walls, relative wave height, and relative wave period on the wave transmission and energy dissipation characteristics of each model. A statistical analysis was also carried out to develop empirical equations that can predict the wave transmission and wave energy dissipation coefficients for single and twin wall models subjected to random wave conditions. The results of this study showed that the wave transmission coefficient was more influenced by the parameters than the wave energy dissipation coefficient, especially for models with twin walls. The statistical analysis showed that for models with single walls, wall porosity had the greatest influence on wave transmission followed by relative wave height and relative wave period, while for models with twin walls the three parameters had a similar effect. The wave energy dissipation was found to be influenced mainly by relative wave period for both single and twin wall cases. The results of this study also showed that different wall configurations may give similar or improved results, therefore aiding in proper wall selection to further save cost and space.
Appears in Programs:0620 Civil Engineering

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