A covolume method based on rotated bilinears for the generalized Stokes problem

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We introduce a covolume or marker and cell (MAC) method for approximating the generalized Stokes problem on an axiparallel domain. Two grids are needed, the primal grid made up of rectangles and the dual grid of quadrilaterals. The velocity is approximated by nonconforming rotated bilinear elements with degrees of freedom at midpoints of rectangular elements and the pressure by piecewise constants. The error in the velocity in the H-h(1) norm and the pressure in the L-2 norm are of first order, provided that the exact velocity is in H-2 and the exact pressure in H-1.
Publisher
SIAM PUBLICATIONS
Issue Date
1998-04
Language
English
Article Type
Article
Keywords

DIFFERENCE-EQUATIONS; FLUID-FLOW; MAC SCHEME; DISCRETIZATION; CONVERGENCE

Citation

SIAM JOURNAL ON NUMERICAL ANALYSIS, v.35, no.2, pp.494 - 507

ISSN
0036-1429
URI
http://hdl.handle.net/10203/68977
Appears in Collection
MA-Journal Papers(저널논문)
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