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Article: Flutter of cantilevered plates in axial flow

TitleFlutter of cantilevered plates in axial flow
Authors
Issue Date1995
PublisherAcademic Press. The Journal's web site is located at http://www.elsevier.com/locate/jfs
Citation
Journal of Fluids and Structures, 1995, v. 9 n. 2, p. 127-147 How to Cite?
AbstractFlow over an elastic plate is chosen to model the mechanics of the soft palate during oronasal snoring. The stability of the plate is investigated through an initial value problem. Theodorsen's classical solution is employed for the fluid loading. Viscosity is explicitly excluded, but its effect is embedded in the Kutta-Zhukovskii condition. Linear analysis is adopted because the interest lies mainly in the initial stage of instability. A predictor-corrector numerical method is developed to simulate the transient process, leading to the long-term periodic behaviour. The essential snoring mechanism is flutter. Energetics studies show that the part of fluid loading arising from the reaction of wake vortices always supplies the power while the pressure variation arising from the surface motion dissipates it. Wind tunnel experiments were carried out and found to agree with the theory both qualitatively and quantitatively. Our conclusion that the stability boundary can be extended by stiffening the plate has contributed to a new, simple and successful surgical procedure for curing snoring.
Persistent Identifierhttp://hdl.handle.net/10722/161620
ISSN
2015 Impact Factor: 1.709
2015 SCImago Journal Rankings: 1.282
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorHuang, L-
dc.date.accessioned2012-09-04T09:03:44Z-
dc.date.available2012-09-04T09:03:44Z-
dc.date.issued1995-
dc.identifier.citationJournal of Fluids and Structures, 1995, v. 9 n. 2, p. 127-147-
dc.identifier.issn0889-9746-
dc.identifier.urihttp://hdl.handle.net/10722/161620-
dc.description.abstractFlow over an elastic plate is chosen to model the mechanics of the soft palate during oronasal snoring. The stability of the plate is investigated through an initial value problem. Theodorsen's classical solution is employed for the fluid loading. Viscosity is explicitly excluded, but its effect is embedded in the Kutta-Zhukovskii condition. Linear analysis is adopted because the interest lies mainly in the initial stage of instability. A predictor-corrector numerical method is developed to simulate the transient process, leading to the long-term periodic behaviour. The essential snoring mechanism is flutter. Energetics studies show that the part of fluid loading arising from the reaction of wake vortices always supplies the power while the pressure variation arising from the surface motion dissipates it. Wind tunnel experiments were carried out and found to agree with the theory both qualitatively and quantitatively. Our conclusion that the stability boundary can be extended by stiffening the plate has contributed to a new, simple and successful surgical procedure for curing snoring.-
dc.languageeng-
dc.publisherAcademic Press. The Journal's web site is located at http://www.elsevier.com/locate/jfs-
dc.relation.ispartofJournal of Fluids and Structures-
dc.rightsNOTICE: this is the author’s version of a work that was accepted for publication in Journal of Fluids and Structures. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Journal of Fluids and Structures, [VOL 9, ISSUE 2, 1995] DOI 10.1006/jfls.1995.1007-
dc.titleFlutter of cantilevered plates in axial flowen_US
dc.typeArticleen_US
dc.identifier.emailHuang, L: lixi@hku.hk-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1006/jfls.1995.1007-
dc.identifier.scopuseid_2-s2.0-0029169312-
dc.identifier.volume9-
dc.identifier.issue2-
dc.identifier.spage127-
dc.identifier.epage147-
dc.identifier.isiWOS:A1995QQ61800001-
dc.publisher.placeUnited Kingdom-

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