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|Title:||Sound propagation in two-dimensional waveguide with circular wavefront||Authors:||Gupta, A.
Webster horn equation
|Issue Date:||Sep-2013||Citation:||Gupta, A., Lim, K.-M., Heng, C.C. (2013-09). Sound propagation in two-dimensional waveguide with circular wavefront. Acoustical Physics 59 (5) : 493-497. ScholarBank@NUS Repository. https://doi.org/10.1134/S1063771013050205||Abstract:||Sound propagation through a waveguide is generally modeled by the Webster horn equation which assumes a planar pressure wavefront. However, most of the sources are non-planar in nature. In this work, a 1-D model is derived for sound propagation through a 2-D waveguide with circular wavefront. The model is derived from the 2-D Helmholtz equation using the weighted residual method. The model assumes a uniform pressure across the angular coordinate at a given radial distance. A 2-D finite element model is used to validate the results for different waveguide geometries and it shows good agreement. © 2013 Pleiades Publishing, Ltd.||Source Title:||Acoustical Physics||URI:||http://scholarbank.nus.edu.sg/handle/10635/61342||ISSN:||10637710||DOI:||10.1134/S1063771013050205|
|Appears in Collections:||Staff Publications|
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