Abstract
In this study, an investigation is conducted into the interaction between water waves and a bottom-standing, thick, porous, and trapezoidal-shaped breakwater under the influence of an uniform current. This investigation has been conducted using several effect factors, such as the friction coefficient and porosity of the breakwater and ocean currents, to comprehend various phenomena related to wave energy dissipation, wave load, wave transmission, and wave reflection, etc. The boundary element method-based numerical technique is used to solve the associated boundary value problem. The modeling of the porosity of the breakwater structure is done using the Sollit and cross model [CK Sollitt, RH Cross. Wave transmission through permeable breakwaters. Coast Eng. 1972; 1972: 1827–1846.] of water wave passes through thick porous structures. In the presence of the following and opposite currents, the ‘Doppler-shift’ effect is observed in wave transformation characteristics due to the shift in wave frequencies. The wave-blocking phenomenon in open water and porous regions has been demonstrated. The results show that the following and opposing currents shift the frequencies for which optima in wave reflection occurs.
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