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Source Identification Using an Inverse Visible Element Rayleigh Integral Approach
ISSN: 0148-7191, e-ISSN: 2688-3627
Published May 15, 2007 by SAE International in United States
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This paper documents an inverse visible element Rayleigh integral (VERI) approach. The VERI is a fast though approximate method for predicting sound radiation that can be used in the place of the boundary element method. This paper extends the method by applying it to the inverse problem where the VERI is used to generate the acoustic transfer matrix relating the velocity on the surface to measurement points. Given measured pressures, the inverse VERI can be used to reconstruct the vibration of a radiating surface. Results from an engine cover and diesel engine indicate that the method can be used to reliably quantify the sound power and also approximate directivity.
|Technical Paper||Development of a Fast Procedure for Vehicle Noise Source Quantification|
|Technical Paper||Identification of Vibro-Acoustic Coupled Modes for Vehicle|
|Technical Paper||Design Strategies for Low Noise Engine Concepts|
CitationHerrin, D., Han, J., Martinus, F., and Shi, J., "Source Identification Using an Inverse Visible Element Rayleigh Integral Approach," SAE Technical Paper 2007-01-2180, 2007, https://doi.org/10.4271/2007-01-2180.
SAE 2007 Transactions Journal of Passenger Cars: Mechanical Systems
Number: V116-6 ; Published: 2008-08-15
Number: V116-6 ; Published: 2008-08-15
- Herrin, D. W., Martinus, F., and Seybert, A. F., “Using Numerical Acoustics to Diagnose Noise Problems,” SAE Noise and Vibration Conference, Traverse City, MI, May 16-19, 2005.
- Veronesi, W. A. and Maynard, J. D., “Digital Holographic Reconstruction of Sources with Arbitrarily Shaped Surfaces”, J. Acoust. Soc. Amer. 85, pp. 588-598, 1989.
- Bai, M. R. “Application of BEM-based Acoustic Holography to Radiation Analysis of Sound Sources with Arbitrarily Shaped Geometries”, J. Acoust. Soc. Amer. 92, pp. 533-549, 1992.
- Zhang, Z., Vlahopoulos, N., Raveendra, S. T., Allen, T., and Zhang, K. Y., “A Computational Acoustic Field Reconstruction Process Based on an Indirect Boundary Element Formulation”, J. Acoust. Soc. Amer. 108, pp. 2167-2178, 2000.
- Schuhmacher, A., Hald, J., Rasmussen, K. B., and Hansen, P. C., “Sound Source Reconstruction Using Inverse Boundary Element Calculations”, J. Acoust. Soc. Amer. 113(1) (2003), pp. 114-127, 2003.
- Shi, J. and Martinus, F., “Sound Source Identification Technique using the Inverse Boundary Element Method”, NOISE-CON 2005, Minneapolis, Minnesota, October 17-19, 2005.
- Seybert, A. F., Martinus, F., Herrin, D. W., and Tao, Z. “Identification of Aeroacoustic Noise Sources using Inverse Boundary Element Method”, Proc. 12th International Congress on Sound and Vibration, Lisbon, Portugal, July 11-14, 2005.
- Martinus, F., Herrin, D. W., and Seybert, A. F., “Selecting Measurement Locations to Minimize Reconstruction Error using the Inverse Boundary Element Method”, Journal of Computational Acoustics, in press.
- Fahy, F. J., “The Vibro-Acoustic Reciprocity Principle and Applications to Noise Control”, Acustica, Vol. 81, pp. 544-558, 1995.
- Rayleigh, J.W.S., The Theory of Sound, Vol. 2, 2nd Edition, Dover Publications, New York, 1945.
- Seybert, A.F., Hamilton, D.A., and Hayes, P.A., “Prediction of Radiated Noise from Machine Components using the BEM and the Rayleigh Integral,” Noise Control Eng. J., 46(3), pp. 77-82, 1998.
- Herrin, D.W., Martinus, F., Wu, T.W., and Seybert, A.F., “An Assessment of the High Frequency Boundary Element and Rayleigh Integral Approximations,” Applied Acoustics, Vol. 67, pp. 819-833, 2006.
- LMS SYSNOISE User's Manual, LMS International N.V., Leuven, Belgium, 2000.
- Wu, S. F., and Wang, Z., Noise Diagnostic System, US Patent No 5,712,805 (1998).
- Wu, S. F., “On Reconstruction of Acoustic Pressure Fields Using the Helmholtz Equation Least Squares Method”, J. Acoust. Soc. Amer., 107(5), pp. 2511-2522, 2000.