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Convection in a Porous Medium and Mimetic Scheme in Polar Coordinates
Date
2011-09-09
Author
Karasözen, Bülent
Trofimova, Anastasia
Tsybulin, Vyacheslav
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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Analytical investigation of natural convection of the incompressible fluid in the porous media based on the Darcy hypothesis (Lapwood convection) gives intriguing branching off of one-parameter family of convective patterns. This scenario may be suppressed in computations when governing equations are approximated by schemes which do not preserve the cosymmetry property. We consider the problem in polar coordinates and construct a mimetic finite-difference scheme using computer algebra tools. The family of steady states is computed and it is demonstrated that this family disappears under non-mimetic approximation.
Subject Keywords
Cosymmetry
,
Equations
URI
https://hdl.handle.net/11511/54114
Collections
Graduate School of Applied Mathematics, Conference / Seminar