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math.NA2016
Bubbles Enriched Quadratic Finite Element Method for the 3D-Elliptic Obstacle Problem
Sharat Gaddam, Thirupathi Gudi
Optimally convergent (with respect to the regularity) quadratic finite element method for two dimensional obstacle problem on simplicial meshes is studied in (Brezzi, Hager, Raviar…
math.NA2016
Inhomogeneous Dirichlet Boundary Condition in the A Posteriori Error Control of the Obstacle Problem
Sharat Gaddam, Thirupathi Gudi
We propose a new and simpler residual based a posteriori error estimator for finite element approximation of the elliptic obstacle problem. The results in the article are two fold.…