A new reflection free boundary in uniform flow using mapped infinite wave envelope elements

5th AIAA/CEAS Aeroacoustics Conference and Exhibit

Volumn , Issue , 1999, Pages 160-170

  Eversman, Walter ^a   Danda Roy, Indranil ^a  

^a University of Missouri Rolla   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC EMISSIONS; ACOUSTIC RADIATORS; ACOUSTIC WAVE TRANSMISSION; AEROACOUSTICS; BOUNDARY CONDITIONS;

ACOUSTIC RADIATION; DAMPING MATRICES; INFINITE DOMAINS; INFINITE WAVE ENVELOPE; KIRCHHOFF METHODS; NON REFLECTING BOUNDARY CONDITION; RADIATION PROBLEMS; TURBOFAN INLETS;

ACOUSTIC WAVE PROPAGATION;

EID: 84983203377     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.2514/6.1999-1823     Document Type: Conference Paper

References (8)

1. Parrett, A. V., and Eversman, W., "Wave Envelope and Finite Element Approximations for Turbofan Noise Radiation in Flight", AIAA Journal, Vol. 24, No. 5, pp 753-760, May, 1986.
2. Danda Roy, I., and Eversman, W., "Improved Finite Element Modeling of the Turbofan Engine Inlet Radiation Problem", ASME Journal of Vibration and Acoustics, Vol. 117, No. 1, pp 109-115, January, 1995.
3. Astley, R. J., Macauley, G. J., Coyette, J-P., and Cremers, L., "Three dimensional Wave Envelope Elements of Variable Order for Acoustic Radiation and Scattering. Part I. Formulation in the Frequency Domain", Journal of the Acoustical Society of America, Vol. 103, No. 1, pp 49-63, 1998.
4. Astley, R. J., Coyette, J-P., and Cremers, L., "Three dimensional Wave Envelope Elements of Variable Order for Acoustic Radiation and Scattering- Part II. Formulation in the Time Domain", Journal of the Acoustical Society of America, Vol. 103, No. 1, pp 64-72, 1998.
5. Farassat, F., and Myers, M. K., "Extension of Kirchhoff Formula to Radiation from Moving Surfaces", Journal of Sound and Vibration, Vol. 123, No. 3, pp 451-460, 1988.
6. Ozyoruk, Y., and Long, L. N., "Computation of Sound Radiating from Engine Inlets", AIAA 95-063, 1st AIAA/CEAS Aeroacoustics Conference, Munich, Germany, June 12-15, 1995.
7. Spence P. L., "Ducted Fan Noise Prediction Using Wave Envelope Analysis and the Kirchhoff Formula", AIAA Paper 97-1651, 3rd AIAA/CEAS Aeroacoustics Conference, Atlanta, GA, May 12-14, 1997.
8. Eversman, W., and Danda Roy, I., "The Effect of a Baffle on Acoustic Radiation Directivity", AIAA Paper 98-2250, 4th AIAA/CEAS Aeroacoustics Conference, Toulouse, France, June 24, 1998.