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2012 (Vol. 4, Issue: 11)
Article Information:

Grid Generation around a Cylinder by Complex Potential Functions

Hassan Davari, Mahdi Chekan and Ali Asghar Davari
Corresponding Author:  Hassan Davari 

Key words:  Complex potential function, grid generation, orthogonal grid, , , ,
Vol. 4 , (11): 1531-1535
Submitted Accepted Published
December 20, 2011 January 21, 2012 June 01, 2012

In this study, orthogonal and structured grid generation around a cylinder is described by using potential functions. In this method, the orthogonality of and n functions are used for grid generation. First, coordinates of points are given by using the algebraic method on cylinder boundaries and then, according to known potential functions in terms of x and y values in the external flow around a cylinder, coordinates of other network's points are calculated through solving a system of two nonlinear equations with two unknowns. Iteration methods are used for solving this system of equations. The generated grid besides orthogonal property has small distances on the surface of cylinder and gradually as it goes farther away from the cylinder, the distance between nodes rises. This kind of grid can be useful in solving the flow field around a cylinder.
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  Cite this Reference:
Hassan Davari, Mahdi Chekan and Ali Asghar Davari, 2012. Grid Generation around a Cylinder by Complex Potential Functions.  Research Journal of Applied Sciences, Engineering and Technology, 4(11): 1531-1535.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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