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Article: A numerical study on water waves generated by a submerged moving body in a two-layer fluid system

TitleA numerical study on water waves generated by a submerged moving body in a two-layer fluid system
Authors
KeywordsSolitary waves
Underwater moving body
Wave-mud interaction
Issue Date2009
PublisherHaiyang Chubanshe.
Citation
China Ocean Engineering, 2009, v. 23 n. 3, p. 441-458 How to Cite?
AbstractThis is a numerical study on the time development of surface waves generated by a submerged body moving steadily in a two-layer fluid system, in which a layer of water is underlain by a layer of viscous mud. The fully nonlinear Navier-Stokes equations are solved on FLUENT with the Volume-of-Fluid (VOF) multiphase scheme in order to simulate the free surface waves as well as the water-mud interface waves as functions of time. The numerical model is validated by mimicking a reported experiment in a one-layer system before it is applied to a two-layer system. It is found that the presence of bottom mud in a water layer can lead to large viscous damping of the surface waves. For the investigation of the problem systematically, the effects of the Froude number and the mud layer thickness, density and viscosity relative to those of water are evaluated and discussed in detail. © 2009 Chinese Ocean Engineering Society, ISSN 0890-5487.
Persistent Identifierhttp://hdl.handle.net/10722/75834
ISSN
2015 Impact Factor: 0.435
2015 SCImago Journal Rankings: 0.422
References

 

DC FieldValueLanguage
dc.contributor.authorYang, JZen_HK
dc.contributor.authorNg, COen_HK
dc.contributor.authorZhang, DHen_HK
dc.date.accessioned2010-09-06T07:15:01Z-
dc.date.available2010-09-06T07:15:01Z-
dc.date.issued2009en_HK
dc.identifier.citationChina Ocean Engineering, 2009, v. 23 n. 3, p. 441-458en_HK
dc.identifier.issn0890-5487en_HK
dc.identifier.urihttp://hdl.handle.net/10722/75834-
dc.description.abstractThis is a numerical study on the time development of surface waves generated by a submerged body moving steadily in a two-layer fluid system, in which a layer of water is underlain by a layer of viscous mud. The fully nonlinear Navier-Stokes equations are solved on FLUENT with the Volume-of-Fluid (VOF) multiphase scheme in order to simulate the free surface waves as well as the water-mud interface waves as functions of time. The numerical model is validated by mimicking a reported experiment in a one-layer system before it is applied to a two-layer system. It is found that the presence of bottom mud in a water layer can lead to large viscous damping of the surface waves. For the investigation of the problem systematically, the effects of the Froude number and the mud layer thickness, density and viscosity relative to those of water are evaluated and discussed in detail. © 2009 Chinese Ocean Engineering Society, ISSN 0890-5487.en_HK
dc.languageengen_HK
dc.publisherHaiyang Chubanshe.en_HK
dc.relation.ispartofChina Ocean Engineeringen_HK
dc.subjectSolitary wavesen_HK
dc.subjectUnderwater moving bodyen_HK
dc.subjectWave-mud interactionen_HK
dc.titleA numerical study on water waves generated by a submerged moving body in a two-layer fluid systemen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0890-5487&volume=23&issue=3&spage=441&epage=458&date=2009&atitle=A+numerical+study+on+water+waves+generated+by+a+submerged+moving+body+in+a+two-layer+fluid+systemen_HK
dc.identifier.emailNg, CO:cong@hku.hken_HK
dc.identifier.authorityNg, CO=rp00224en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-70350722028en_HK
dc.identifier.hkuros167931en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-70350722028&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume23en_HK
dc.identifier.issue3en_HK
dc.identifier.spage441en_HK
dc.identifier.epage458en_HK
dc.publisher.placeChinaen_HK
dc.identifier.scopusauthoridYang, JZ=35184561600en_HK
dc.identifier.scopusauthoridNg, CO=7401705594en_HK
dc.identifier.scopusauthoridZhang, DH=7405357048en_HK

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