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| Titel: |
Computation of viscous incompressible flow using pressure correction method on unstructured Chimera grid |
| Auteur: |
Zhang, Xing |
| Verschenen in: |
International journal of computational fluid dynamics |
| Paginering: | Jaargang 20 (2006) nr. 9 pagina's 637-650 |
| Jaar: |
2006-10 |
| Inhoud: |
In this paper, a pressure correction algorithm for computing incompressible flows is modified and implemented on unstructured Chimera grid. Schwarz method is used to couple the solutions of different sub-domains. A new interpolation to ensure consistency between primary variables and auxiliary variables is proposed. Other important issues such as global mass conservation and order of accuracy in the interpolations are also discussed. Two numerical simulations are successfully performed. They include one steady case, the lid-driven cavity and one unsteady case, the flow around a circular cylinder. The results demonstrate a very good performance of the proposed scheme on unstructured Chimera grids. It prevents the decoupling of pressure field in the overlapping region and requires only little modification to the existing unstructured Navier-Stokes (NS) solver. The numerical experiments show the reliability and potential of this method in applying to practical problems. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
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