Journal
MATHEMATICAL MODELS & METHODS IN APPLIED SCIENCES
Volume 21, Issue 10, Pages 2049-2068Publisher
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0218202511005659
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We consider space semi-discretization of the transient convection-diffusion equation using a Streamline Upwind Petrov-Galerkin (SUPG) finite element method. We show stability and convergence both for the standard SUPG formulation with elementwise evaluated Laplacian and for a weakly consistent formulation where the elementwise Laplacian is replaced by a discrete, reconstructed, Laplacian. Some numerical examples are presented to illustrate the theory.
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