75 search results - page 2 / 15 » Dual Formulations of Mixed Finite Element Methods |
MOC
2002
14 years 9 months ago
2002
In this paper, we propose and study different mixed variational methods in order to approximate with finite elements the unilateral problems arising in contact mechanics. The discr...
SIAMSC
2008
14 years 9 months ago
2008
In this paper we introduce and analyze two augmented mixed finite element methods for a velocity-pressure-stress formulation of the stationary Stokes equations. Our approach, which...
SIAMNUM
2011
14 years 4 months ago
2011
The paper presents a generalization of Arnold-Falk-Winther elements for linear elasticity, to meshes with elements of variable order. The generalization is straightforward but the ...
MOC
2002
14 years 9 months ago
2002
We deal with the iterative solution of linear systems arising from so-called dual-dual mixed finite element formulations. The linear systems are of a two-fold saddle point structur...
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MOC
2010
14 years 4 months ago
2010
We study H(div) preconditioning for the saddle-point systems that arise in a stochastic Galerkin mixed formulation of the steady-state diffusion problem with random data. The key i...