Computational aeroacoustics : a wave number approach
著者
書誌事項
Computational aeroacoustics : a wave number approach
（Cambridge aerospace series, 33）
Cambridge University Press, 2012
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注記
Includes bibliographical references (p. 471-475) and index
内容説明・目次
内容説明
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.
目次
- 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.
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