Tensor product type subspace splittings and multilevel iterative methods for anisotropic problems:

Abstract: "We describe tensor product type techniques to derive robust solvers for anisotropic elliptic model problems on rectangular domains in R[superscript d]. Our analysis is based on the theory of additive subspace correction methods and applies to finite-element and prewavelet-schemes. We...

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Bibliographic Details
Main Authors: Griebel, Michael 1960- (Author), Oswald, Peter (Author)
Format: Book
Language:German
Published: München 1994
Series:Technische Universität <München>: TUM-I 9434
Subjects:
Online Access:Inhaltsverzeichnis
Summary:Abstract: "We describe tensor product type techniques to derive robust solvers for anisotropic elliptic model problems on rectangular domains in R[superscript d]. Our analysis is based on the theory of additive subspace correction methods and applies to finite-element and prewavelet-schemes. We present multilevel- and prewavelet-based methods that are robust for anisotropic diffusion operators with additional Helmholtz term. Furthermore the resulting convergence rates are independent of the discretization level. Beside their theoretical foundation, we also report on the results of various numerical experiments to compare the different methods."
Physical Description:35 S.

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