Wave scattering by a floating porous elastic plate of arbitrary shape: A semi-analytical study

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dc.contributor.authorZheng, Siming
dc.contributor.authorMeylan, Michael H.
dc.contributor.authorFan, Lin
dc.contributor.authorGreaves, Deborah
dc.contributor.authorIglesias, Gregorio
dc.contributor.funderInterregen
dc.contributor.funderEuropean Commissionen
dc.date.accessioned2019-12-18T16:29:52Z
dc.date.available2019-12-18T16:29:52Z
dc.date.issued2019-12-19
dc.date.updated2019-12-18T16:20:37Z
dc.description.abstractIn this paper, a semi-analytical model based on linear potential flow theory and an eigenfunction expansion method is developed to study wave scattering by a porous elastic plate with arbitrary shape floating in water of finite depth. The water domain is divided into the interior and exterior regions, corresponding to the domain beneath the plate and the rest extending towards infinite distance horizontally, respectively. The unknown coefficients in the potential expressions are determined by satisfying the continuity conditions for pressure and velocity at the interface of the two regions, together with the conditions for the motion/force at the edge of the plate, where the Fourier series expansion method is employed to deal with the terms associated with the radius function. A plate with three shapes – circular, cosine and elliptical – and three edge conditions are considered. We find that the largest deflection of the plate with a simply supported edge and a clamped edge is more sensitive to the change in porosity when the porosity is small. The power dissipated by an elliptical plate with its major axis perpendicular to the incident wave direction is the largest among the case studies for the majority of the porosity values tested.en
dc.description.sponsorshipEuropean Commission (Intelligent Community Energy (ICE), INTERREG V FCE, European Commission (Contract No. 5025)en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid102827en
dc.identifier.citationZheng, S., Meylan, M. H., Fan, L., Greaves, D. and Iglesias, G. (2020) 'Wave scattering by a floating porous elastic plate of arbitrary shape: A semi-analytical study', Journal of Fluids and Structures, 92, 102827 (18pp). doi: 10.1016/j.jfluidstructs.2019.102827en
dc.identifier.doi10.1016/j.jfluidstructs.2019.102827en
dc.identifier.endpage18en
dc.identifier.issn0889-9746
dc.identifier.journaltitleJournal of Fluids and Structuresen
dc.identifier.startpage1en
dc.identifier.urihttps://hdl.handle.net/10468/9437
dc.identifier.volume92en
dc.language.isoenen
dc.publisherElsevieren
dc.relation.urihttp://www.sciencedirect.com/science/article/pii/S0889974619305298
dc.rights© 2019, Elsevier Ltd. All rights reserved. This manuscript version is made available under the CC BY-NC-ND 4.0 licence.en
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectPotential flow theoryen
dc.subjectPorous elastic plateen
dc.subjectEigenfunction expansion methoden
dc.subjectArbitrary shapeen
dc.subjectWave–structure interactionsen
dc.titleWave scattering by a floating porous elastic plate of arbitrary shape: A semi-analytical studyen
dc.typeArticle (peer-reviewed)en
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