Scattering of acoustic waves in a waveguide

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dc.contributorVirginia Tech. Engineering Science and Mechanics Departmenten
dc.contributorUniversity of Lowell. Department of Electrical Engineeringen
dc.contributor.authorSen, Rahulen
dc.contributor.authorThompson, Charlesen
dc.contributor.departmentBiomedical Engineering and Mechanicsen
dc.date.accessed2015-05-12en
dc.date.accessioned2015-05-28T14:56:11Zen
dc.date.available2015-05-28T14:56:11Zen
dc.date.issued1987en
dc.description.abstractThe problem of scattering from boundary discontinuity in a waveguide is discussed. The relationship between the static and dynamic representations of the scattered pressure field will be investigated for those frequencies falling below the first cross mode of the duct. Special attention is paid to the influence of cutoff cross modes to the solution of the pressure field. It is shown that the method of matched asymptotic expansions can be successfully used to determine globally valid pressure field junction conditions near a boundary discontinuity. The matching of exponentially decaying terms of the inner solution is shown to, in turn, contribute to the junction impedance and extend the frequency range of the solution's validity.en
dc.description.notesAbstract from the Program of the 113th Meeting of the Acoustical Society Of America. Session S. Physical Acoustics III: Scattering II: Waveguides, Imaging, Flow, and Probes.en
dc.format.extent1 pageen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationSen, R. & Thompson, C. (1987). Scattering of acoustic waves in a waveguide. Journal of the Acoustical Society of America, 81, S42-S42. doi: 10.1121/1.2024236en
dc.identifier.doihttps://doi.org/10.1121/1.2024236en
dc.identifier.issn0001-4966en
dc.identifier.urihttp://hdl.handle.net/10919/52742en
dc.identifier.urlhttp://scitation.aip.org/content/asa/journal/jasa/81/S1/10.1121/1.2024236en
dc.language.isoen_USen
dc.publisherAcoustical Society of Americaen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectAcoustic scatteringen
dc.subjectAcoustic waveguidesen
dc.subjectAcoustic wave scatteringen
dc.titleScattering of acoustic waves in a waveguideen
dc.title.serialJournal of the Acoustical Society of Americaen
dc.typeAbstracten
dc.type.dcmitypeTexten

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