A convection-diffusion problem with a large shift on Duran meshes

04/21/2023

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by   Mirjana Brdar, et al.

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A convection-diffusion problem with a large shift in space is considered. Numerical analysis of high order finite element methods on layer-adapted Duran type meshes, as well as on coarser Duran type meshes in places where weak layers appear, is provided. The theoretical results are confirmed by numerical experiments.