A numerical and experimental investigation of the effect of side walls on hydrodynamic model testing in a wave flume

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dc.contributor.authorXie, N.
dc.contributor.authorHann, M.
dc.contributor.authorPemberton, R.
dc.contributor.authorIglesias, Gregorio
dc.contributor.authorGreaves, D.
dc.contributor.funderEngineering and Physical Sciences Research Councilen
dc.date.accessioned2019-10-30T06:29:58Z
dc.date.available2019-10-30T06:29:58Z
dc.date.issued2019-08-15
dc.description.abstractThe side wall effect was normally tackled by potential flow based numerical methods. It is well known that, due to the existence of the resonance frequency in the wave tank, the numerical methods over-predict the hydrodynamic forces when comparing with model experiments. Furthermore, in most of the previous studies on the effects of the side walls, the model was located at the centre of the tank, the disturbances on both sides of the model are symmetric, and the resonances of some of the responses such as wave surface elevation and motions may not be excited at the tank natural frequencies. In the present study, a Rankine source panel method is used to tackle the effects of the side walls and artificial damping is introduced in the free surface boundary condition to account for the viscous damping effect. Model experiments are carried out for a lifeboat model located at various positions in a wave flume. Numerical results of the wave forces, free surface elevations and motions of the model are compared with the model test measurements, and good agreement is found. It is shown that the inclusion of the artificial damping in the free surface boundary condition is effective, in particular for the model at off-centre position of the tank.en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid106108en
dc.identifier.citationXie, N., Hann, M., Pemberton, R., Iglesias, G. and Greaves, D., 2019. A numerical and experimental investigation of the effect of side walls on hydrodynamic model testing in a wave flume. Ocean Engineering, 186, 106108. (12 pp.). DOI:10.1016/j.oceaneng.2019.06.013en
dc.identifier.doi10.1016/j.oceaneng.2019.06.013en
dc.identifier.endpage12en
dc.identifier.issn0029-8018
dc.identifier.journaltitleOcean Engineeringen
dc.identifier.startpage1en
dc.identifier.urihttps://hdl.handle.net/10468/8922
dc.identifier.volume186en
dc.language.isoenen
dc.publisherElsevier Ltden
dc.relation.projectinfo:eu-repo/grantAgreement/RCUK/EPSRC/EP/N008847/1/GB/A Zonal CFD Approach for Fully Nonlinear Simulations of Two Vessels in Launch and Recovery Operations/en
dc.relation.urihttps://www.sciencedirect.com/science/article/pii/S0029801819303051
dc.rights© 2019 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND licenseen
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/en
dc.subjectSide wall effecten
dc.subject3D rankine methoden
dc.subjectNumerical predictionen
dc.subjectModel testen
dc.subjectArtificial dampingen
dc.titleA numerical and experimental investigation of the effect of side walls on hydrodynamic model testing in a wave flumeen
dc.typeArticle (peer-reviewed)en
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