A boundary element scheme is proposed for evaluation of the four-pole parameters of ducts and mufflers in the presence of a low Mach number non-uniform flow. A transformation of variable is used, such that the governing sound propagation equation reduces to the Helmholtz equation in the transformed
Evaluation of four-pole parameters for ducts with flow by the finite element method
โ Scribed by K.S. Peat
- Publisher
- Elsevier Science
- Year
- 1982
- Tongue
- English
- Weight
- 442 KB
- Volume
- 84
- Category
- Article
- ISSN
- 0022-460X
No coin nor oath required. For personal study only.
๐ SIMILAR VOLUMES
When a muffler is modelled by the boundary element method (BEM), the transmission loss (TL) can be evaluated by either the conventional four-pole method or the recently developed three-point method. The three-point method produces only the transmission loss (TL), and nothing else. On the other hand,
The implementation of a least-squares finite element method for solving the generalized stationary Stokes problem (i.e. the Stokes problem with an additional term ฮฑu in the motion equation, where ฮฑ is a big parameter and u is the velocity vector function) is considered. The basis of this method is t