On a mixed finite element approximation of the Stokes problem (I) |
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Authors: | R Glowinski O Pironneau |
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Institution: | (1) Domaine de Voluceau, I.R.I.A.-Laboria, Rocquencourt, 78150 Le Chesnay, France |
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Abstract: | Summary We study in this paper a new mixed finite element approximation of the Stokes' problem in the velocity pressure formulation. This approximation which is based on a new variational principle allows the use of low order Lagrange elements and leads to optimal order of convergence for the velocity and the pressure. Iterative and direct methods for the solution of the approximate problems will be discussed in a forthcoming paper. |
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Keywords: | AMS(MOS): 65N30 CR: 5 17 |
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