Conference Paper: 2D numerical simulation of ocean waves

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Title2D numerical simulation of ocean waves
AuthorsDu, Q
Leung, DYC
KeywordsNumerical wave flume
FLUENT
VOF method
Dynamic meshing
Issue Date2011
PublisherLinköping University Electronic Press. The Journal's web site is located at http://www.ep.liu.se/ecp/
CitationThe World Renewable Energy Congress (WREC 2011), Linköping, Sweden, 8-13 May 2011. In Linköping Electronic Conference Proceedings, 2011, ECP57, v. 9, p. 2183-2189 [How to Cite?]
AbstractAs fossil energy is depleting and global warming effect is worsening rapidly, developing renewable energies become the top priority on most developed and some developing countries. Among different kinds of renewable energies, wave energy attracts more and more attention in recent years due to its high energy density and enormous global amount. However, some technical difficulties still need to be overcome for extracting wave power. In designing a wave energy converter, it is important to develop an efficient method to determine the wave load and predict its response. In this paper, a numerical investigation of ocean waves is presented. Commercial software code FLUENT is used as a computational platform in this study. Based on the Navier-Stokes equations for viscous, incompressible fluid and Volume of fluid (VOF) method, a two dimensional numerical wave tank is established. Dynamic meshing method is used to simulate the wave maker, and Geo-Reconstruct scheme is used to capture the free surface. A wave-absorbing method employing porous media model is proposed, which can absorb the wave energy efficiently. Moving boundary, wall boundary and pressure-inlet boundary are used to construct the computational domain. Linear regular waves are simulated accurately using the proposed numerical model. The numerical results matched with the theoretical calculation.
DescriptionMarine and Ocean technology (MO): 0233
Open Access Publisher
ISSN1650-3686
DC Field
Value
dc.contributor.authorDu, Q
dc.contributor.authorLeung, DYC
dc.date.accessioned2011-06-17T09:27:26Z
dc.date.available2011-06-17T09:27:26Z
dc.date.issued2011
dc.description.abstractAs fossil energy is depleting and global warming effect is worsening rapidly, developing renewable energies become the top priority on most developed and some developing countries. Among different kinds of renewable energies, wave energy attracts more and more attention in recent years due to its high energy density and enormous global amount. However, some technical difficulties still need to be overcome for extracting wave power. In designing a wave energy converter, it is important to develop an efficient method to determine the wave load and predict its response. In this paper, a numerical investigation of ocean waves is presented. Commercial software code FLUENT is used as a computational platform in this study. Based on the Navier-Stokes equations for viscous, incompressible fluid and Volume of fluid (VOF) method, a two dimensional numerical wave tank is established. Dynamic meshing method is used to simulate the wave maker, and Geo-Reconstruct scheme is used to capture the free surface. A wave-absorbing method employing porous media model is proposed, which can absorb the wave energy efficiently. Moving boundary, wall boundary and pressure-inlet boundary are used to construct the computational domain. Linear regular waves are simulated accurately using the proposed numerical model. The numerical results matched with the theoretical calculation.
dc.description.naturepublished_or_final_version
dc.descriptionMarine and Ocean technology (MO): 0233
dc.descriptionOpen Access Publisher
dc.description.otherThe World Renewable Energy Congress (WREC 2011), Linköping, Sweden, 8-13 May 2011. In Linköping Electronic Conference Proceedings, 2011, ECP57, v. 9, p. 2183-2189
dc.identifier.citationThe World Renewable Energy Congress (WREC 2011), Linköping, Sweden, 8-13 May 2011. In Linköping Electronic Conference Proceedings, 2011, ECP57, v. 9, p. 2183-2189 [How to Cite?]
dc.identifier.epage2189
dc.identifier.hkuros185794
dc.identifier.issn1650-3686
dc.identifier.issue9
dc.identifier.spage2183
dc.identifier.urihttp://hdl.handle.net/10722/134525
dc.identifier.volume57
dc.languageeng
dc.publisherLinköping University Electronic Press. The Journal's web site is located at http://www.ep.liu.se/ecp/
dc.relation.ispartofLinköping Electronic Conference Proceedings
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License
dc.subjectNumerical wave flume
dc.subjectFLUENT
dc.subjectVOF method
dc.subjectDynamic meshing
dc.title2D numerical simulation of ocean waves
dc.typeConference_Paper