Abstract:In this work we present a numerical study of the Dynamic Diffusion (DD) method for solving diffusion-convection problems with dominant convection on three dimensional domains. The DD method is a two-scale nonlinear model for convection-dominated transport problems, obtained by incorporating to the multiscale formulation a nonlinear dissipative operator acting isotropically in both scales of the discretization. The standard finite element spaces are enriched with bubble functions in order to add stability prope… Show more
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