WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

Permanent URI for this collectionhttps://hdl.handle.net/11147/7150

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Subject: search.filters.subject.Stabilized FEMWoS Q: search.filters.wosQuartile.Q3

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  • Article
    Citation - Scopus: 1
    Pseudo-Multi Functions for the Stabilization of Convection-Diffusion Equations on Rectangular Grids
    (Begell House Inc., 2013) Neslitürk, Ali İhsan; Baysal, Onur
    We propose a finite element method of Petrov-Galerkin type for a singularly perturbed convection diffusion problem on a discretization consisting of rectangular elements. The method is based on enriching the finite-element space with a combination of multiscale and residual-free bubble functions. These functions require the solution of the original differential problem, which makes the method quite expensive, especially in two dimensions. Therefore, we instead employ their cheap, yet efficient approximations, using only a few nodes in each element. Several numerical tests confirm the good performance of the corresponding numerical method.