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Computational Aeroacoustics: A Wave Number Approach (Cambridge Aerospace Series)

Computational Aeroacoustics: A Wave Number Approach (Cambridge Aerospace Series)

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Christopher K. W. Tam
Cambridge University Press, 9/28/2012
EAN 9780521806787, ISBN10: 052180678X

Hardcover, 492 pages, 25.3 x 17.7 x 2.5 cm
Language: English

Computational aeroacoustics (CAA) is a relatively new research area. CAA algorithms have developed rapidly and the methods have been applied in many areas of aeroacoustics. The objective of CAA is not simply to develop computational methods but also to use these methods to solve practical aeroacoustics problems and to perform numerical simulation of aeroacoustic phenomena. By analysing the simulation data, an investigator can determine noise generation mechanisms and sound propagation processes. This is both a textbook for graduate students and a reference for researchers in CAA and as such is self-contained. No prior knowledge of numerical methods for solving partial differential equations (PDEs) is needed, however, a general understanding of partial differential equations and basic numerical analysis is assumed. Exercises are included and are designed to be an integral part of the chapter content. In addition, sample computer programs are included to illustrate the implementation of the numerical algorithms.

1. Finite difference equations
2. Spatial discretization in wave number space
3. Time discretization
4. Finite difference scheme as dispersive waves
5. Finite difference solution of the Euler equations
6. Radiation, outflow, and wall boundary conditions
7. The short wave component of finite difference schemes
8. Nonlinear acoustic waves and shocks
9. Advanced numerical boundary treatments
10. Time domain impedance boundary condition
11. Extrapolation and interpolation
12. Multi-scales problems
13. Complex geometry
14. Continuation of a near field acoustic solution to the far field
15. CAA code design and applications.