Results 111 to 120 of about 289 (157)

Exact A Posteriori Error Analysis Of The Least Squares Finite Element Method *

open access: yes, 1997
. A residual type a posteriori error estimator is presented for the least squares finite element method. The estimator is proved to equal the exact error in a norm induced by some least squares functional.
Jinn-liang Liu
core  

A Wavelet Approach to Robust Multilevel Solvers for Anisotropic Elliptic Problems

open access: yes, 1994
A wavelet variation of the "Frequency decomposition multigrid method, Part I" (FDMGM) of Hackbusch [Numer. Math., 56, pp. 229-245, 1989 ] is presented.
Xiaodong Zhou   +3 more
core  

A Note on Anisotropic Interpolation Error Estimates for Isoparametric Quadrilateral Finite Elements

open access: yes, 1996
. Anisotropic local interpolation error estimates are derived for quadrilateral and hexahedral Lagrangian finite elements with straight edges. These elements are allowed to have diameters with different asymptotic behaviour in different space directions.
Thomas Apel
core  

Pressure-improved Scott-Vogelius type elements. [PDF]

open access: yesCalcolo
Bohne NE, Gräßle B, Sauter SA.
europepmc   +1 more source

To Overlap Or Not To Overlap: A Note On A Domain Decomposition Method For Elliptic Problems

open access: yes, 1989
. More than one hundred years ago, H.A. Schwarz introduced a domain decomposition method in which the original elliptic equation is solved on overlapping subregions, one after another, in an iterative process.
Petter Bjørstad
core  

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