RPM - the fast random particle-mesh method to realize unsteady turbulent sound sources and velocity fields for CAA applications

13th AIAA/CEAS Aeroacoustics Conference (28th AIAA Aeroacoustics Conference)

Volumn , Issue , 2007, Pages

  Ewert, R ^a  

^a GERMAN AEROSPACE CENTER DLR   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

BROAD-BAND METHODS; BROADBAND NOISE; FILTERING OPERATIONS; FREQUENCY DOMAINS; PARTICLE-MESH METHOD; RANDOM PARTICLES; SPATIAL FILTERINGS; UNSTEADY TURBULENT SOUND SOURCES;

ACOUSTIC GENERATORS; AEROACOUSTICS; VELOCITY; WHITE NOISE;

ACOUSTIC NOISE;

EID: 84884779883     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (13)

1. Tam, C. and Auriault, L., "Jet Mixing Noise from Fine-Scale Turbulence, " AIAA Journal, Vol. 37(2), 1999, pp. 145-153.
2. Ewert, R. and Emunds, R., "CAA Slat Noise Studies Applying Stochastic Sound Sources Based On Solenoidal Digital Filters, " AIAA Pap. 2005-2862, 2005.
3. Ewert, R., "Slat Noise Trend Predictions Using CAA With Stochastic Sound Sources From A Random Particle-Mesh Method (RPM), " AIAA Pap. 2006-2667, 2006.
4. Ewert, R., "Broadband Slat Noise Prediction based on CAA and Stochastic Sound Sources from a Random Particle-Mesh (RPM) method, " in press Comp. and Fluids, 2007.
5. Bailly, C. and Juve, D., "A Stochastic Approach To Compute Subsonic Noise Using Linearized Euler's Equations, " AIAA Pap. 99-1872, 1999.
6. Billson, M., Erikson, L.-E., and Davidson, L., "Modelling of Synthetic Anisotropic Turbulence and Its Sound Emission, " AIAA Pap. 2004-2857, 2004.
7. Delfs, J., Bauer, M., Ewert, R., Grogger, H., Lummer, M., and Lauke, T., "Numerical Simulation of Aerodynamic Noise with DLR's aeroacoustics code PIANO, " Tech. rep., DLR, PIANO manual for version 5.1, 2007.
8. Howe, M., "Edge-source Green's function for an airfoil of arbitrary chord, whith applications to trailing edge noise, " Q. Jl. Mech. Appl. Math., Vol. 54(1), 2001, pp. 139-155.
9. Yu, J. and Tam, C., "Experimental Investigation of the Trailing Edge Noise Mechanism, " AIAA Journal, Vol. 16(9), 1978, pp. 1046-1052.
10. Oberai, A., Roknaldin, F., and Hughes, T., "Computation of Trailing-Edge Noise Due to Turbulent Flow over an Airfoil, " AIAA Journal, Vol. 40/11, 2002, pp. 2206-2216.
11. Ewert, R., Zhang, Q., Schröder, W., and Delfs, J., "Computation of Trailing Edge Noise of a 3D Lifting Airfoil in Turbulent Subsonic Flow, " AIAA Pap. 2003-3114, 2003.
12. Ewert, R. and Schröder, W., "Acoustic Perturbation Equations Based on Flow Decomposition via Source Filtering, " J. Comput. Phys., Vol. 188, 2003, pp. 365-398.
13. Crighton, D., Dowling, A., Williams, J. F., Heckl, M., and Leppington, F., Modern Methods in Analytical Acoustics, Springer-Verlag New York Berlin Heidelberg, 1992.