Efficient FDTD-PE Model for sound propagation in situations with complex obstacles and wind profiles

Acta Acustica united with Acustica

Volumn 91, Issue 4, 2005, Pages 671-679

  Van Renterghem, Timothy ^a   Salomons, Erik M ^b   Botteldooren, Dick ^a  

^a GHENT UNIVERSITY   (Belgium)

^b TNO   (Netherlands)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC NOISE; FINITE DIFFERENCE METHOD; MATHEMATICAL MODELS; REFLECTION; TIME DOMAIN ANALYSIS; WIND;

FDTD-PE MODEL; PARABOLIC EQUATIONS; TEMPERATURE GRADIENTS; WIND PROFILES;

ACOUSTIC WAVE PROPAGATION;

EID: 23044497781     PISSN: 16101928     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (20)

1. D. Botteldooren: Acoustical finite-difference time-domain simulation in a quasi-Cartesian grid. J. Acoust. Soc. Am. 95 (1994) 2313-2319.
2. T. Van Renterghem: The finite-difference time-domain method for simulation of sound propagation in a moving medium. PhD thesis, University Gent, 2003.
3. R. Blumrich, D. Heimann: A linearized eulerian sound propagation model for studies of complex meteorological effects. J. Acoust. Soc. Am. 112 (2002) 446-455.
4. E. M. Salomons, R. Blumrich, D. Heimann: Eulerian time-domain model for sound propagation over a finite-impedance ground surface. comparison with frequency-domain models. Acta Acustica united with Acustica 88 (2002) 483-492.
5. D. K. Wilson, M. L. Moran, L. Liu, V. E. Ostashev, D. F. Aldridge, N. P. Symons, D. H. Marlin: Development of a high-fidelity simulation capability for battlefield acoustics. SPIE AeroSense meeting 2003, Orlando, Florida, 2003.
6. V. E. Ostashev, L. Liu, D. K. Wilson, M. L. Moran, D. F. Aldridge, D. Marlin: Starting equations for direct numerical simulation of sound propagation in the atmosphere. Proc. 10th International Symposium on Long Range Sound Propagation, Grenoble, France, 2002.
7. K. E. Gilbert, M. J. White: Application of the parabolic equation to sound propagation in a refracting atmosphere. J. Acoust. Soc. Am. 85 (1989) 630-637.
8. M. West, K. E. Gilbert, R. A. Sack: A tutorial on the parabolic equation (PE) model used for long range sound propagation in the atmosphere. Applied Acoustics 37 (1992) 31-49.
9. K. E. Gilbert, X. Di: A fast Green's function method for one-way sound propagation in the atmosphere. J. Acoust. Soc. Am. 94 (1993) 2343-2352.
10. E. M. Salomons: Improved Greens function parabolic equation method for atmospheric sound propagation. J. Acoust. Soc. Am. 104 (1998) 100-111.
11. E. M. Salomons: Computational atmospheric acoustics. Kluwer, Dordrecht, 2001.
12. T. Van Renterghem, D. Botteldooren: Numerical simulation of the effect of trees on downwind noise barrier performance. Acta Acustica united with Acustica 89 (2003) 764-778.
13. Fluent: Computational fluid dynamics software, version 6. Fluent, Incorporated, Centerra Resource Park, 10 Cavendish Court, Lebanon, NH 03766.
14. T. Van Renterghem, D. Botteldooren, E. M. Salomons: Efficiency of FDTD and hybrid techniques for outdoor sound propagation modeling. Proceedings of Long Range Sound Propagation Symposium, Fairlee, Vermont, USA, 2004.
15. D. Botteldooren: Finite-difference time-domain simulation of low-frequency room acoustic problems. J. Acoust. Soc. Am. 98 (1995) 3302-3308.
16. K. Heutschi, M. Horvath, J. Hofmann: Simulation of ground impedance in finite difference time domain calculations of outdoor sound propagation. Acta Acustica united with Acustica 91 (2005) 35-40.
17. M. E. Delany, E. N. Bazley: Acoustic properties of fibrous absorbent materials. Applied Acoustics 3 (1970) 105-116.
18. E. M. Salomons: Sound propagation in complex outdoor situations with a non-refracting atmosphere: model based on analytical solutions for diffraction and reflection. Acta Acustica united with Acustica 83 (1997) 436-454.
19. E. M. Salomons: Diffraction by a screen in downwind sound propagation: a parabolic-equation approach. J. Acoust. Soc. Am. 95 (1994) 3109-3117.
20. M. Abramowitz, I. A. Stegun (eds.): Handbook of mathematical functions. Dover, New York, 1972.