Water-wave interaction with submerged porous elastic disks

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dc.contributor.author Zheng, S.
dc.contributor.author Meylan, M. H.
dc.contributor.author Greaves, D.
dc.contributor.author Iglesias, Gregorio
dc.date.accessioned 2020-04-21T12:30:02Z
dc.date.available 2020-04-21T12:30:02Z
dc.date.issued 2020-04-17
dc.identifier.citation Zheng, S., Meylan, M. H., Greaves, D. and Iglesias, G. (2020) ‘Water-wave interaction with submerged porous elastic disks’, Physics of Fluids, 32(4), 047106 (20pp). doi: 10.1063/5.0006119 en
dc.identifier.volume 32 en
dc.identifier.issued 4 en
dc.identifier.startpage 1 en
dc.identifier.endpage 20 en
dc.identifier.issn 1070-6631
dc.identifier.uri http://hdl.handle.net/10468/9843
dc.identifier.doi 10.1063/5.0006119 en
dc.description.abstract Hydroelastic interaction between water waves and submerged porous elastic disks of negligible thickness in water of finite depth is investigated under the assumption of small amplitude water-wave motion and structural response. The disks are either simply supported or clamped at their edges. Wave power can be absorbed/dissipated by the disks due to their porosity. A theoretical model based on the linear potential flow theory and eigenfunction matching method is developed to solve the wave scattering problem of the submerged disks. An indirect method, employing Kochin functions, is derived based on Greenâ s theorem to evaluate the wave power absorption/dissipation, and it produces accurate results at a lower computational cost than the conventional method. This theoretical model is applied to perform a multi-parameter study on the performance of a single submerged porous elastic disk, and an array of disks as well, particularly, in terms of near-field wave motion, disk deflection, far-field scattering coefficient, and wave power absorption/dissipation. Deploying multiple disks in an array is found to be a more promising approach for wave power absorption/dissipation compared to enlarging the area of a single disk. en
dc.description.sponsorship European Commission (Intelligent Community Energy (ICE), INTERREG V FCE Contract No. 5025); State Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin University (Open Research Fund Program Grant No. HESS–1902) en
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher AIP Publishing en
dc.relation.uri https://aip.scitation.org/doi/10.1063/5.0006119
dc.rights © 2020, the Authors. Published under license by AIP Publishing. This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared as: Zheng, S., Meylan, M. H., Greaves, D. and Iglesias, G. (2020) ‘Water-wave interaction with submerged porous elastic disks’, Physics of Fluids, 32(4), 047106 (20pp), doi: 10.1063/5.0006119, and may be found at https://doi.org/10.1063/5.0006119 en
dc.subject Hydroelastic interaction en
dc.subject Small amplitude water wave motion en
dc.subject Structural response en
dc.subject Elastic disks en
dc.subject Porosity en
dc.subject Eigenfunction en
dc.subject Kochin functions en
dc.title Water-wave interaction with submerged porous elastic disks en
dc.type Article (peer-reviewed) en
dc.internal.authorcontactother Jose Gregorio Iglesias Rodriguez, Enginering, University College Cork, Cork, Ireland. +353-21-490-3000 Email: gregorio.iglesias@ucc.ie en
dc.internal.availability Full text available en
dc.date.updated 2020-04-21T12:01:41Z
dc.description.version Accepted Version en
dc.internal.rssid 511332318
dc.contributor.funder European Commission en
dc.contributor.funder Tianjin University en
dc.description.status Peer reviewed en
dc.identifier.journaltitle Physics of Fluids en
dc.internal.copyrightchecked Yes
dc.internal.licenseacceptance Yes en
dc.internal.IRISemailaddress gregorio.iglesias@ucc.ie en
dc.identifier.articleid 047106 en
dc.internal.bibliocheck Make PV primary file and suppress AV after 12 months on 17 April 2021. en
dc.identifier.eissn 1089-7666

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