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Title: Convergence study of phased geometrical acoustics using a low frequency reflection coefficient
Authors: Boucher, Matthew Alban
Pluymers, Bert
Desmet, Wim
Issue Date: 19-Sep-2016
Publisher: KU Leuven
Host Document: International Conference on Noise and Vibration Engineering
Conference: International Conference on Noise and Vibration Engineering (ISMA2016) location:Leuven, Belgium date:19-21 September 2016
Article number: 503
Abstract: This work investigates phased geometrical acoustics using a low frequency reflection coefficient. This reflection coefficient, which is derived from an exact solution to a half-space problem, consists of an integral of image sources located at complex coordinates and is valid for any position of the source and receiver above the reflecting plane and for an arbitrary surface impedance. The method is demonstrated by calculating the sound pressure level in a rectangular room using the image source and beam tracing methods. The improvement over using the plane wave reflection coefficient is highlighted, using the finite element method as a reference.
ISBN: 9789073802940
Publication status: published
KU Leuven publication type: IC
Appears in Collections:Production Engineering, Machine Design and Automation (PMA) Section

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