A note on the use of an approximate formula to predict sound fields above an impedance plane due to a point source

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DOIResolve DOI: http://doi.org/10.1121/1.413381
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TypeArticle
Journal titleJournal Of The Acoustical Society Of America
Volume98
Issue3
Pages18101812; # of pages: 3
SubjectACOUSTIC IMPEDANCE; ANALYTICAL SOLUTION; ATMOSPHERIC WAVES; POINT SOURCES; SOUND FIELDS; SOUND PRESSURE; SOUND VELOCITY; WAVE PROPAGATION
AbstractThe application of an approximate equation to describe the propagation of sound from a point source above an impedance plane [e.g., C. F. Chien and W. W. Soroka, J. Sound Vib. 43, 9�20 (1975)] is discussed. In particular, the correct choice of a complex root is specified. This choice is made by ensuring that the sound pressure be a bounded and continuous function of the geometrical parameters and the surface impedance.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada; NRC Institute for Microstructural Sciences
Peer reviewedNo
NPARC number12333625
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Record identifier756208a5-6e03-47fb-99d8-b75fe6053f01
Record created2009-09-10
Record modified2016-05-09
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