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Items for "a posteriori error analysis"

Duality-based adaptivity in the hp-finite element method

In this paper a duality-based a posteriori error analysis is developed for the conforming hp Galerkin finite element approximation of second-order elliptic problems...

Keywords: hp-finite element method, a posteriori error analysis, Adaptivity, error control, DWR method

06/2003 | Journal of Numerical Mathematics, Walter de Gruyter
A posteriori error estimates for adaptive finite element discretizations of boundary control problems

We are concerned with an a posteriori error analysis of adaptive finite element approximations of boundary control problems for second order elliptic boundary value problems under bilateral bound constraints on the control which acts through a Neumann type boundary condition...

Keywords: a posteriori error analysis, boundary control problems, control constraints, adaptive finite element methods, residual-type a posteriori error estimators, data oscillations

03/2006 | Journal of Numerical Mathematics, Walter de Gruyter