Abstract
The problem of regular wave diffraction from segmented arc-shaped breakwater (ASB) structures was studied. Based on the linear potential flow theory, the velocity potential of the entire fluid domain was derived using the characteristic function expansion method. The accuracy of the current model was verified by comparing the results of this study with published computational results. The numerical results revealed variations in the wave load and wave surface of the segmental ASB with the gap width between the arcs, opening angle, wave incidence angle, porosity coefficient, and number of segments of the segmental ASB. The results showed that the segmented ASB reduced the wave load on the breakwater, and the proper gap width between the arcs significantly increased the wave dissipation capacity of the breakwater. This study will be of guidance to actual marine engineering.
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