Cosymmetry preserving finite-difference methods for convection equations in a porous medium

Authors:
B. Karasözen;V. G. Tsybulin
Affiliations:
Department of Mathematics and Institute of Applied Mathematics, Middle East Technical University, Ankara 06531, Turkey;Department of Mathematics and Mechanics, Rostov State University, Rostov on Don, Russia
Venue:
Applied Numerical Mathematics
Year:
2005

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Abstract

The finite-difference discretizations for the planar problem of natural convection of incompressible fluid in a porous medium which preserve the cosymmetry property and discrete symmetries are presented. The equations in stream function and temperature are computed using staggered and non-staggered schemes in uniform and non-uniform rectangular grids.