Derivation and implementation of inflow/outflow conditions for aeroacoustic problems with swirling flows

7th AIAA/CEAS Aeroacoustics Conference and Exhibit

Volumn , Issue , 2001, Pages

  Ali, Amr A ^a   Atassi, Oliver V ^b   Atassi, Hafiz M ^a  

^a UNIVERSITY OF NOTRE DAME   (United States)

^b PRATT AND WHITNEY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ANNULAR DUCTS; COMPUTATION THEORY; COMPUTATIONAL GEOMETRY; EIGENVALUES AND EIGENFUNCTIONS; SWIRLING FLOW;

AEROACOUSTIC PROBLEMS; COMPUTATIONAL RESULTS; COMPUTATIONAL SCHEMES; LINEARIZED EULER EQUATION; NONUNIFORM SWIRLING FLOW; NORMAL MODE EXPANSION; TIME-HARMONIC WAVES; VORTICAL DISTURBANCE;

AEROACOUSTICS;

EID: 85086493620     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.2514/6.2001-2173     Document Type: Conference Paper

References (7)

1. Fang, J. and Atassi, H., Compressible Flows with Vortical Disturbances Around a Cascade of Loaded Airfoils. In Unsteady Aerodynamics, Aeroacoustics, and Aeroelasticity of Turbomachines and Propellers, Ed. Atassi, H. M., 1993, pp. 149-176, Springer-Verlag.
2. Giles, M. B., "Nonreflecting Boundary Conditions for Euler Equation Calculations," AIAA Journal, Vol. 28, No. 12, 1990, pp. 2050-2058.
3. Atassi, O. V., "Inflow/Outflow Conditions for Time-Harmonic Internal Aeroacoustic Problems," AIAA 99-0482, 37th AIAA aerospace sciences meeting and exhibit, Jan. 11-14, Reno, NV, 1999.
4. Golubev, V. V. and Atassi, H. M., "Unsteady Swirling Flows in Annular Cascades. Part I. Evolution of Incident Disturbances," AIAA, Vol. 38, 2000, pp. 1142-1149.
5. Golubev, V. V. and Atassi, H. M., "Acoustic-Vorticity Waves in Swirling Flows," Journal of Sound and Vibration, Vol. 209, No. 2, 1998, pp. 203-222.
6. Vichnevetsky, R. and Parsier, E. C., "Non-reflecting Upwind Boundaries for Hyperbolic Equations," Numerical Methods for Partial Differential Equations, Vol. 2, No. 1, 1986, pp. 1-12.
7. Ali, A. A., Atassi, O. V., and Atassi, H. M., "Acoustic Eigenmodes in a Coannular Duct with a General Swirling Flow," AIAA 2000-1954, 6th AIAA/CEAS Aeroacoustics Conference at Maui, Hawai, 2000.