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|Title:||Sound propagation in two-dimensional waveguide with circular wavefront|
Webster horn equation
|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|
|Appears in Collections:||Staff Publications|
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