Superconvergence of a nonconforming low order finite element
Applied Numerical Mathematics - Selected papers from the 16th Chemnitz finite element symposium 2003
Superconvergence of a nonconforming low order finite element
Applied Numerical Mathematics - Selected papers from the 16th Chemnitz finite element symposium 2003
On the choice of stabilizing sub-grid for convection-diffusion problem on rectangular grids
Computers & Mathematics with Applications
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We present an a priori error analysis for the residual free bubble (RFB) method applied to diffusion-convection equations with a dominating and antisymmetric convection operator. Special attention is paid to the case of piecewise bilinears in ${\mathbb R}^2$ and the theoretical comparison with the streamline diffusion finite element (SDFE) (equivalently, streamline upwind Petrov--Galerkin (SUPG) method).