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dc.contributor.authorVenkateswarlu, V.
dc.contributor.authorKarmakar, D.
dc.date.accessioned2020-03-31T08:48:11Z-
dc.date.available2020-03-31T08:48:11Z-
dc.date.issued2019
dc.identifier.citationMarine Systems and Ocean Technology, 2019, Vol.14, 43892, pp.85-109en_US
dc.identifier.uri10.1007/s40868-019-00058-z
dc.identifier.urihttp://idr.nitk.ac.in/jspui/handle/123456789/13556-
dc.description.abstractThe present study addresses the hydrodynamic characteristics of the incident wave through porous structure for both finite and shallow water depth. The oblique wave�transformation due to the porous block over flat and elevated seabed and the submerged rigid block is presented. Analytical direct formulae are proposed to determine the wave reflection and transmission coefficient for the porous structure considering different configurations like porous block, porous block backed by wall, vertical wall away from the porous block and semi-infinite porous block at flat and elevated seabed. The analytical results for wave interaction with porous structure are presented considering the mode-coupling relation and eigenfunction expansion technique. Further, the significance of the semi-infinite porous block placed on the flat and elevated seabed is studied in detail. The analytical results obtained in the present study are validated with the numerical results available in the literature for specific cases. The significance of the critical angle and skin depth for the semi-infinite structure is explored in the wave structure interaction problems. The comparative study between various structural configurations suggests that, if the ratio of wavelength and width of the structure is greater or equal to unity (d/??1), then the structure can be regarded as semi-infinite porous block for flat and elevated seabed. The derived analytical formulae will be helpful in the preliminary design and analysis of the porous blocks. � 2019, Sociedade Brasileira de Engenharia Naval.en_US
dc.titleWave scattering by vertical porous block placed over flat and elevated seabeden_US
dc.typeArticleen_US
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