Improved finite element modeling of the turbofan engine inlet radiation problem

Journal of Vibration and Acoustics, Transactions of the ASME

Volumn 117, Issue 1, 1995, Pages 109-115

  Roy, I Danda ^a   Eversman, W ^a  

^a MISSOURI UNIVERSITY OF SCIENCE AND TECHNOLOGY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC NOISE; BOUNDARY CONDITIONS; BOUNDARY VALUE PROBLEMS; EIGENVALUES AND EIGENFUNCTIONS; FINITE ELEMENT METHOD; FLOW OF FLUIDS; INTAKE SYSTEMS; MATHEMATICAL MODELS; MATRIX ALGEBRA; TURBOFAN ENGINES;

ACOUSTIC RADIATION; INLET RADIATION PROBLEM; MEAN FLOW; VELOCITY POTENTIAL;

ACOUSTIC WAVES;

EID: 0029233889     PISSN: 10489002     EISSN: 15288927     Source Type: Journal    
DOI: 10.1115/1.2873853     Document Type: Article

References (12)

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2. Majjigi, R. K., Sigman, R. K., and Zinn, B. T., 1979, “Wave Propagation in Ducts using the Finite Element Method,” AIAA Paper 79-0965.
3. Tag, I., and Lumsdaine, E., 1978, “An Efficient Finite Element Technique for Sound Propagation in Axisymmetric Hard Wall Ducts Carrying High Subsonic Mach Number Flow,” AIAA Paper 78-1154.
4. Ville, J. M., and Silcox, R. J., “Experimental Investigation of the Radiation of Sound from an Unflanged Duct and a Bellmouth, Including the Flow Effect,” NASA Technical Paper 1697.
5. Silcox, R. J., 1983, “Experimental Investigation of Geometry and Flow Effects on the Acoustic Radiation from Duct Inlets,” AIAA paper 83-0713.
6. Horowitz, S. J., Sigman, R. K., and Zinn, B. T., 1981, “An Iterative Finite Element-Integral Technique for Predicting Sound Radiation from Turbofan Inlets,” AIAA Paper 81-1987.
7. Horowitz, S. J., Sigman, R. K., and Zinn, B. T., 1982, “An Iterative Finite Element-Integral Technique for Predicting Sound Radiation from Turbofan Inlets in Steady Flight,” AIAA paper 82-0124.
8. Astley, R. J., and Eversman, W., 1983, “Wave Envelope and Infinite Element Schemes for Fan Noise Radiation from Turbofan Inlets,” AIAA Paper 83-0709.
9. Parrett, A. V., and Eversman, W., 1984, “Wave Envelope and Finite Element Approximations for Turbofan Noise Radiation in Flight,” AIAA Paper 84-2333.
10. Eversman, W., Parrett, A. V., Preisser, J. S., and Silcox, R. J., 1985, “Contributions to the Finite Element Solution of the Fan Noise Radiation Problem,” ASME Journal of Vibration, Acoustics, Stress, and Reliability in Design, Vol. 107, No. 2, pp. 216-223.
11. Irons, B. M., 1970, “A Frontal Solution Program for Finite Element Analysis,” International Journal for Numerical Methods in Engineering, Vol. 2, pp. 5-32.
12. Akin, J. E., 1986, Finite Element Analysis for Undergraduates, Academic Press Inc.