Approximate calculation of eigen-values of linear viscously damped system with passive damping element
Result description
The paper presents an approximative method for eigen-solution of non-classically damped linear system representing classically damped structure equipped with passive damping element (viscous damper). The proposed procedure avoids using a numerically demanding state-space approach. It operates in the original dimension of the problem and utilizes the real eigen-modes for its further size reduction. The method is based on the dividing of the damping matrix to classical and non-classical part and the application of the perturbation strategy. The accuracy of the procedure is demonstrated by considering numerical examples.
Keywords
complex eigen-solutionnon-classical dampingpassive damping device
The result's identifiers
Result code in IS VaVaI
Result on the web
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DOI - Digital Object Identifier
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Alternative languages
Result language
angličtina
Original language name
Approximate calculation of eigen-values of linear viscously damped system with passive damping element
Original language description
The paper presents an approximative method for eigen-solution of non-classically damped linear system representing classically damped structure equipped with passive damping element (viscous damper). The proposed procedure avoids using a numerically demanding state-space approach. It operates in the original dimension of the problem and utilizes the real eigen-modes for its further size reduction. The method is based on the dividing of the damping matrix to classical and non-classical part and the application of the perturbation strategy. The accuracy of the procedure is demonstrated by considering numerical examples.
Czech name
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Czech description
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Classification
Type
D - Article in proceedings
CEP classification
JM - Structural engineering
OECD FORD branch
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Result continuities
Project
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2015
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Article name in the collection
Engineering mechanics 2015. 21st International conference, May 11-14, 2015, Svratka, Czech Republic. Extended abstracts
ISBN
978-80-86246-42-0
ISSN
1805-8248
e-ISSN
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Number of pages
2
Pages from-to
102-103
Publisher name
Institute of theoretical and applied mechanics, Academy of Sciences of the Czech Republic, v. v. i.
Place of publication
Prague
Event location
Svratka
Event date
May 11, 2015
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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Basic information
Result type
D - Article in proceedings
CEP
JM - Structural engineering
Year of implementation
2015