Engineering Mechanics

International Conference

Proceedings Vol. 18 (2012)


ENGINEERING MECHANICS 2012

18th INTERNATIONAL CONFERENCE
May 14 – 17, 2012, Svratka, Czech Republic
;
Editors: Jiří Náprstek and Cyril Fischer

Copyright © 2012 Institute of Theoretical and Applied Mechanics, Academy of Sciences of the Czech Republic, v.v.i., Prague

ISBN 978-80-86246-39-0 (printed, Extended Abstracts)
ISBN 978-80-86246-40-6 (electronic)
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)

list of papers scientific commitee

Generalized linear model with aero-elastic forces variable in frequency and time domains
J. Náprstek, S. Pospíšil
pages 915 - 926, full text

The paper demonstated the linkage of three models of the treatment of the structural aeroelastic instability using the double degree of freedom (DDOF) linear model. The frequent neutral models treating aero-elastic forces as certain constants are combined with the approach using flutter derivatives and indicial functions. The article fills the gaps in mathematical formulations. This approach allows formulate more sophisticated models combining main aspects of all groups in question. These models correspond by far better to results of wind channel and full scale measurements.


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