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Title: Non nodal condensation of eigenvalue problems
Language: English
Authors: Mackens, Wolfgang 
Voß, Heinrich 
Keywords: Symmetric eigenvalue problem;Guyan condensation;generalized condensation
Issue Date: Jan-1997
Abstract (english): 
We generalize the Guyan condensation of large symmetric eigenvalue problems to allow general degrees of freedom to be master variables. On one hand useful information from other condensation methods (such as Component Mode Synthesis) thus can be incorporated into the method. On the other hand this opens the way to iterative refinement of eigenvector approximations. Convergence of such a procedure follows from the result, that one step of (static) condensation is equivalent to one step of inverse subspace iteration. A short outlook on several applications is included.
DOI: 10.15480/882.181
Institute: Mathematik E-10 
Document Type: Working Paper
License: In Copyright In Copyright
Part of Series: Preprints des Institutes für Mathematik 
Volume number: 10
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