Water wave scattering by a vertical porous barrier with two gaps

M. Sivanesan, S. R. Manam


Explicit solutions are rarely available for water wave scattering problems. An analytical procedure is presented here to solve the boundary value problem associated with wave scattering by a complete vertical porous barrier with two gaps in it. The original problem is decomposed into four problems involving vertical solid barriers. The decomposed problems are solved analytically by using a weakly singular integral equation. Explicit expressions are obtained for the scattering amplitudes and numerical results are presented. The results obtained can be used as a benchmark for other wave scattering problems involving complex geometrical structures.



potential, reflection coefficient, porous barrier, mixed boundary value problem.

DOI: http://dx.doi.org/10.21914/anziamj.v61i0.13336

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ANZIAM Journal, ISSN 1446-8735, copyright Australian Mathematical Society.