A finite element formulation for AFT fan duct acoustic radiation

3rd AIAA/CEAS Aeroacoustics Conference

Volumn , Issue , 1997, Pages 506-518

  Eversman, Walter ^a  

^a Architectural and Environmental Engineering   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC EMISSIONS; ACOUSTIC FIELDS; ACOUSTIC RADIATORS; ACOUSTIC WAVE PROPAGATION; ACOUSTIC WAVE TRANSMISSION; ACOUSTIC WAVES; ACOUSTICS; AEROACOUSTICS; DIGITAL STORAGE; DUCTS; MESH GENERATION; SHEAR FLOW; STEADY FLOW; TURBOFAN ENGINES; VELOCITY CONTROL;

ACOUSTIC PARTICLE VELOCITY; ACOUSTIC PERTURBATIONS; COMPUTATIONAL DOMAINS; COMPUTATIONAL TIME; FINITE ELEMENT CODES; FINITE ELEMENT FORMULATIONS; INTERFACE CONDITIONS; PENALTY CONSTRAINTS;

FIGHTER AIRCRAFT;

EID: 84977090815     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.2514/6.1997-1648     Document Type: Conference Paper

References (10)

1. J. S. Preisser, R. J. Silcox, W. Eversman, and A. V. Parrett 1985 Journal of Aircraft 22(1), January, 1985, 57-62. Flight study of induced turbofan inlet acoustic radiation with theoretical comparisons.
2. W. Eversman, A. V. Parrett, J. S. Preisser, and R. J. Silcox 1985 ASME Journal of Vibration, Acoustics, Stress, and Reliability in Design 107(2), April, 1985, 216-223. Contributions to the finite element solution of the fan noise radiation problem.
3. A. V. Parrett and W. Eversman 1986 AIAA Journal 24(5), May, 1986, 753-760. Wave envelope and finite element approximations for turbofan noise radiation in flight.
4. Danda Roy and W. Eversman 1995 ASME Journal of Vibration and Acoustics 117(1), January, 1995, 109-115. Improved finite element modeling of the turbofan engine inlet radiation problem.
5. K. Karamcheti 1966 Principles of Ideal Fluid Aerodynamics. Wiley, 190-194, 210-220
6. M. K. Myers 1980 Journal of Sound and Vibration 71(3), 429-434. On the acoustic boundary condition in the presence of flow.
7. T. J. R. Hughes 1987 The Finite Element Method. Linear. Static and Dynamic Finite Element Analysis. Prentice-Hall, 185-303
8. B. M. Irons 1970 International Journal for Numerical Methods in Engineering 2, 5-32. A frontal solution program for finite element analysis.
9. B. Regan 1996 PhD Dissertation, University College Galway, Ireland, May, 1996. Development of finite element techniques for aeroacoustic applications.
10. E. J. Rice and A. V. Saule 1980 NASA TM 81506. Far field radiation of aft turbofan noise.