Abstract

The effect of vertical rigid wall on a moored finite submerged flexible porous membrane under oblique wave interaction is analysed. The mathematical model is based on the assumption of linearized potential theory and structural response. The analytical solution is obtained using the matched eigenfunction expansion method and the numerical results are computed by solving complex dispersion relation using numerical perturbation scheme. The convergence of the series solution is checked through numerical computation by analysing the values of reflection coefficient and wave forces. Further, the present results are validated against published analytical and experimental data. Several numerical results of reflection coefficient, wave forces, and free surface elevations on different design parameters are analysed to study the effect of rigid wall. It is observed that the wave reflection greatly depends on the width of the membrane and the optimum distance from rigid wall.

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