We consider a singular second-order boundary value problem. The differential problem is approximated by the Galerkin finite element scheme. The main goal is to compare the well known apriori Bakhvalov and Shishkin meshes with the adaptive mesh based on the aposteriori dual error estimators. Results of numerical experiments are presented.
Bugajev, A., & Čiegis, R. (2012). Comparison of adaptive meshes for a singularly perturbed reaction–diffusion problem. Mathematical Modelling and Analysis, 17(5), 732-748. https://doi.org/10.3846/13926292.2012.736416
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