| Título: | A unified formulation for mixed incompressible/compressible flows / |
| Autores: | Kho, Cedric. |
| Fecha: | 1997 |
| Publicador: | McGill University - MCGILL |
| Fuente: |
 |
| Tipo: | Electronic Thesis or Dissertation |
| Tema: | Engineering, Aerospace. |
| Descripción: |
Computational Fluid Dynamics (CFD) is emerging as an integral part of engineering design and analysis. Traditionally, idealizations have been made to categorize flows as being either incompressible or compressible, with their respective numerical treatments being completely different. Incompressible flow solvers are completely incapable of capturing compressible flow phenomena, while compressible flow solvers are very inefficient in the limit of low compressibility. For situations in which there are regions of incompressible and compressible flows, or when there is no a priori knowledge of the level of compressibility, a general numerical treatment is no longer obvious. The method proposed in this thesis has been formulated for efficient computation of mixed incompressible/compressible flows and is based on the SIMPLE algorithm of S. V. Patankar. It is capable of correctly modeling the elliptic/hyperbolic nature of the pressure perturbations and is well suited for calculating a wide range of engineering applications such as turbomachinery, aerodynamics, etc. This thesis will describe the details of the compressible extension of the SIMPLE algorithm and provide numerical examples which demonstrate the ability of the solver to efficiently resolve mixed incompressible/compressible flows. |
| Idioma: | en |
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