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Title: Solving very large gyroscopic eigenproblems by Automated Multi-Level Substructuring
Language: English
Authors: Voß, Heinrich 
Elssel, Kolja 
Keywords: Eigenwerte; gyroskopysches Eigenwertproblem; Substrukturierung; nichtlineares Eigenwertproblem; Minmax Prinzip; Eigenvalues; AMLS; gyroscopic eigenproblem; substructuring; nonlinear eigenproblem; minmax characterization
Issue Date: Dec-2004
Abstract (english): 
Simulating numerically the sound radiation of rolling tires requires the solution of very large and sparse gyroscopic eigenvalue problems. Taking advantage of the automated multi–level substructuring (AMLS) method it can be projected to a much smaller gyroscopic problem, the solution of which however is still quite costly since the eigenmodes are non–real and complex arithmetic is necessary. This paper discusses the numerical solution of the AMLS approximation.
DOI: 10.15480/882.60
Institute: Mathematik E-10 
Document Type: Preprint
License: In Copyright In Copyright
Part of Series: Preprints des Institutes für Mathematik 
Volume number: 85
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