Acoustics from Vorticity and Entropy Disturbances
Computations were performed using the space-time CESE method
Ref: Hardin, J.C., Ristorecelli, J.R., and Tam, C.W., “ICASE/LaRC Workshop on Benchmark Problems in Computational Aeroacoustics,” NASA CP 3300, 1994.
Laminar Flow over a 2-D Rectangular Acoustic Cavity
Comparisons of density gradient contours with experimental schlieren images
Comparisons of Strouhal number
- Rossiter, J.E, “Wind-Tunnel Experiments on the Flow over Rectangular Cavities at Subsonic and Transonic Speeds,” British Aeronautical Research Council Reports and Memoranda No. 3438, 1964.
- Rowley, C.W, Colonius, T., and Basu, A.J., “On Self-Sustained oscillations in Two Dimensional Compressible Flow over rectangular Cavities,” Journal of Fluid Mechanics, Vol. 455, 2002, pp. 315-346.
- Krishnamurty, K., “Sound Radiation from Surface Cutouts in High Speed Flow,” PhD thesis, California Institute of Technology, 1956.