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Avoiding Mode Pairing when Updating Finite Element Models
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology. SAAB AB, Sweden.
SAAB AB, Sweden.
1997 (English)Report (Other academic)
Abstract [en]

Updating nite element models of complex mechanical structures requires some extra considerations. It is stressed that the two most important aspects on updating finite element models are parameter estimation properties and computational expenses. A novel mode-pairing free model updating formulation is found to hav egood parameter estimation properties. The computational expenses are reduced with a semi-fixed modal basis, kept fixed during several iterations.

Place, publisher, year, edition, pages
Linköping: Linköping University Electronic Press, 1997. , 7 p.
LiTH-ISY-R, ISSN 1400-3902 ; 1974
Keyword [en]
Parameter estimation, Mechanical systems, Nonlinear programming, Model reduction
National Category
Control Engineering
URN: urn:nbn:se:liu:diva-55397ISRN: LiTH-ISY-R-1974OAI: diva2:315983
Available from: 2010-04-29 Created: 2010-04-29 Last updated: 2014-09-18Bibliographically approved

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Automatic ControlThe Institute of Technology
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ReferencesLink to record
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