A generalized polar coordinate method for sound propagation over large-scale irregular terrain

Journal of the Acoustical Society of America

Volumn 128, Issue 5, 2010, Pages 2573-2580

  Parakkal, Santosh ^a   Gilbert, Kenneth E ^a   Di, Xiao ^a   Bass, Henry E ^a  

^a UNIVERSITY OF MISSISSIPPI   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC WAVELENGTH; COMPLEX TERRAINS; DIFFERENTIAL FORMS; GENERALIZED METHOD; IRREGULAR TERRAIN; LARGE-SCALE TERRAIN; LOW-FREQUENCY PROPAGATION; LOW-FREQUENCY SOUNDS; MISSISSIPPI; NUMERICAL EXAMPLE; POLAR COORDINATE; RADII OF CURVATURE; RADIUS OF CURVATURE; SLOPE ANGLES; SOUND PROPAGATION;

LANDFORMS;

ACOUSTIC WAVE PROPAGATION;

WATER;

ACOUSTICS; ARTICLE; ENVIRONMENT; SOIL; THEORETICAL MODEL;

ACOUSTICS; ENVIRONMENT; MODELS, THEORETICAL; SOIL; WATER;

EID: 78649557738     PISSN: 00014966     EISSN: None     Source Type: Journal    
DOI: 10.1121/1.3495941     Document Type: Article

References (17)

1. Attenborough, K. (1985). " Acoustical impedance models for outdoor ground surfaces.," J. Sound Vib. 0022-460X 99, 521-544. 10.1016/0022-460X(85)90538-3
2. Beilis, A., and Tappert, F. D. (1979). " Coupled mode analysis of multiple rough surface scattering.," J. Acoust. Soc. Am. 0001-4966 66, 811-826. 10.1121/1.383685
3. Blairon, N. (2002). " Topography effect on acoustic propagation in the atmosphere: Numerical modelization using parabolic equation and validation by comparison with outdoor experiments.," Ph.D. thesis, École Centrale de Lyon, Écully, France.
4. Blairon, N., Blanc-Benon, Ph., B́rengier, M., and Juv́, D. (2002). " Outdoor sound propagation in complex environments: Experimental validation of a PE approach.," in Proceedings of the Tenth International Symposium on Long Range Sound Propagation, Grenoble, France, September 12-13 (NCPA Report No. JC 1003-01), pp. 114-128.
5. Collins, M. D. (1990). " The rotated parabolic equation and sloping ocean bottoms.," J. Acoust. Soc. Am. 0001-4966 87, 1035-1037. 10.1121/1.398829
6. Di, X., Atchley, A. A., and Gilbert, K. E. (2006). " Atmospheric sound propagation over irregular terrain: piecewise linear mapping and cascaded conformal mapping.," in Proceedings of the Seventh International Conference on Theoretical and Computational Acoustics, Hangzhou, Zhejiang, China, September 19-22, edited by, A. Tolstoy, E. -S. Chang, Y. -C. Teng, (World Scientific, Singapore).
7. Di, X., and Gilbert, K. E. (2005). " Sound propagation over irregular terrain.," in Proceedings of the Military Sensing Symposia (MSS) Specialty Group on Battlespace Acoustic and Seismic Sensing, Magnetic and Electric Field Sensors, Applied Physics Laboratory, Johns Hopkins University, August 23-25.
8. Kampanis, N. A. (2002). " Numerical simulation of low-frequency aeroacoustics over irregular terrain using a finite element discretization of the parabolic equation.," J. Comput. Acoust. 0218-396X 10, 97-111. 10.1142/S0218396X02001413
9. Levy, M. (2000). Parabolic Equation Methods for Electromagnetic Wave Propagation (The Institution of Electrical Engineers, London), pp. 97-102.
10. Lihoreau, B., Gauvreau, B., B́rengier, M., Blanc-Benon, Ph., and Calmet, I. (2006). " Outdoor sound propagation modeling in realistic environments: Application of coupled parabolic and atmospheric models.," J. Acoust. Soc. Am. 0001-4966 120, 110-119. 10.1121/1.2204455
11. Parakkal, S. (2007). " A generalized earth-flattening transformation for sound propagation over irregular terrain.," MS thesis, The University of Mississippi, University, MS.
12. Sack, R. A., and West, M. (1995). " A parabolic equation for sound propagation in two dimensions over any smooth terrain profile: The generalized terrain parabolic equation (GT-PE).," Appl. Acoust. 0003-682X 45, 113-129. 10.1016/0003-682X(94)00039-X
13. Thomas, G. B., Jr. (1961). Calculus and Analytic Geometry, 3rd ed. (Addison-Wesley, Reading), pp. 587-590.
14. Van Renterghem, T., Botteldooren, D., and Lercher, P. (2007). " Comparison of measurements and predictions of sound propagation in a valley-slope configuration in an inhomogeneous atmosphere.," J. Acoust. Soc. Am. 0001-4966 121, 2522-2533. 10.1121/1.2717765
15. You, C. (1993). " Non-line-of-sight sound propagation outdoors.," Ph. D. thesis, The University of Mississippi, University, MS.
16. You, C., Gilbert, K. E., and Bass, H. E. (1994). " Parabolic equation method for sound diffraction and comparisons of calculation and experiment for helicopter noise propagation over a hill.," in the Proceedings of the Fifth Western Pacific Regional Acoustics Conference, Seoul Korea, edited by, S. W. Yoon, and, M. Bae,.
17. You, C., and Yoon, S. W. (1996). " Predictions of traffic noise propagation over a curved road having an impedance discontinuity with refracting atmospheres.," J. Korean Phys. Soc. 0374-4884 29, 176-181.