A posteriori estimates for eigenvalue/vector approximations (CROSBI ID 125968)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Grubišić, Luka
engleski
A posteriori estimates for eigenvalue/vector approximations
We combine abstract eigenvalue/eigenvector estimates (from our earlier work) with a saturation assumption for finite element solution of associated stationary problem to obtain a posteriori estimates of the accuracy of finite element Rayleigh-Ritz approximations. Attention will be payed to the interplay between the accuracy estimate for the finite element method and a strategy for generating an adapted mesh. The obtained results use a preconditioned residuum of Neymeyr and extend his study of eigenvalue approximations with eigenvector estimates. We also prove that this eigenvalue estimator is equivalent to the global error.
Variational Methods ; Finite Element Methods ; Spectral Problem
podlistak CC časopisa ZAMM (ISNN: 0044-2267)
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Podaci o izdanju
6 (1)
2006.
59-62
objavljeno
1617-7061
10.1002/pamm.200610016