Asymptotic convergence of fundamental quantities of flow over a circular cylinder

Authors

  • Eric Didier DEMI. MARETEC. NPE. Portugal

DOI:

https://doi.org/10.5944/ribim.16.1.42503

Keywords:

Asymptotic solution, Fully coupled resolution method, Circular cylinder, No stationary bidimensional laminar flow

Abstract

Fluid flow past a circular cylinder for Reynolds number from 10 to 300 is investigated using a fully coupled resolution method, resolving simultaneously all discrete equations, without any transformation of the continuity equation (i.e. without reconstruction of a pressure equation). The study of drag and lift forces, base pressure and Strouhal number is performed in laminar regime and bi-dimensional flow depending the computational domain dimension. Asymptotic results are obtained increasing the computational domain dimensions from 20 to 4800 cylinder diameters. It is well established that in contrast to the Strouhal number, the base pressure and efforts are much more dependent on the resolution of the mesh and further the size of the computational
domain.

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Published

2012-04-01

How to Cite

Didier, E. . (2012). Asymptotic convergence of fundamental quantities of flow over a circular cylinder. Revista Iberoamericana de Ingeniería Mecánica, 16(1), 87–99. https://doi.org/10.5944/ribim.16.1.42503

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Section

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