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Numerical Results for a Colocated Finite-Volume Scheme on Voronoi Meshes for Navier-Stokes Equations

V.C. Mariani1, E.E.M. Alonso2, S. Peters3

Department of Mechanical Engineering, Pontifical Catholic University of Parana, Rua Imaculada Conceição, 1155, Prado Velho, 80215-901, Curitiba, PR, Brazil.
National Service of Commercial Learning, Center of Professional Education of Itajai, Rua Hercílio Luz, 293, 81301-001, Itajaí, SC, Brazil.
Department of Computer Science and Statistics, Federal University of Santa Catarina, Bairro Trindade, 88040-900, Florianópolis, SC, Brazil.

Computer Modeling in Engineering & Sciences 2008, 29(1), 15-28.


An application of Newton's method for linearization of advective terms given by the discretization on unstructured Voronoi meshes for the incompressible Navier-Stokes equations is proposed and evaluated in this article. One of the major advantages of the unstructured approach is its application to very complex geometrical domains and the mesh is adaptable to features of the flow. Moreover, in this work comparisons with the literature results in bi-dimensional lid-driven cavities for different Reynolds numbers allow us to assess the numerical properties of the new proposed finite-volume scheme. Results for the components of the velocity, and the pressure collocated at the centers of the control volumes are presented and discussed. On the basis of the numerical experiments reported in this article is seems that the method under investigation has no difficulty at capturing the formation of primary and secondary vortices as Reynolds number increases.


Cite This Article

Mariani, V., Alonso, E., Peters, S. (2008). Numerical Results for a Colocated Finite-Volume Scheme on Voronoi Meshes for Navier-Stokes Equations. CMES-Computer Modeling in Engineering & Sciences, 29(1), 15–28.

cc This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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