WAVE CONTROL BY TWO TRAINS OF SUBMERGED BREAKWATER
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The purpose of this study is to numerically investigate the wave control effect of two trains of submerged breakwaters located a certain distance apart and the non-linear interaction between the breakwaters and random waves. The numerical method is the so-called boundary integral method in which Green's Identity Formula is used for the expression of the velocity potential of wave motion. The reflection coefficients are calculated for several cases of the two trains of submerged breakwaters, and for a single submerged breakwater which has the same width as the width added up the two train of the submerged breakwaters as well. The power spectra of the water surface oscillations behind the submerged breakwaters are further calculated for each case. By comparing the reflection coefficients and the power spectra of the water surface oscillations, it is found that two trains of submerged breakwaters is more effective on wave control than a single submerged breakwater.
[1] James T. Kirby,et al. BRAGG REFLECTION BREAKWATER: A NEW SHORE PROTECTION METHOD? , 1991 .