Volume 6, Issue 1 (2014)                   Modares Mechanical Engineering 2014, 6(1): 1-12 | Back to browse issues page

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Mazaheri K, Darbandi M, Vakilipour S. Extension of an Implicit Upwind Scheme to an Unstructured Grid for Viscous Flow Fields. Modares Mechanical Engineering. 2014; 6 (1) :1-12
URL: http://journals.modares.ac.ir/article-15-10300-en.html
1- دانشگاه تربیت مدرس
2- , Sharif University of Technology
3- Tarbiat Modares University
Abstract:   (4183 Views)
Two essential steps in numerical simulation of a flow field are discretization of the computational space and discretization of the governing partial differential equations (pde’s). In the present work a triangular unstructured grid is utilized. Unstructured grids are recognized to be superior for complex geometries as well as for grid adaptation. For descritization of governing pde’s a finite element method is employed. This research presents a new implicit finite element method in a triangular unstructured grid. For convection term of Navier–Stokes equation a conservative upwind method is used, while a finite element method is used for viscous terms. Results are very promising for viscous flows inside a driven cavity.
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Received: 2003/03/26 | Accepted: 2005/03/28 | Published: 2005/08/26

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