Název: Analytical approach of slender structure vibration due to random component of the wind velocity
Autoři: Náprstek, Jiří ; Hračov, Stanislav
Typ dokumentu: Příspěvky z konference
Konference/Akce: COMPDYN 2017 /6./, Rhodes (GR), 20170615
Rok: 2017
Jazyk: eng
Abstrakt: Along wind random vibration of slender structures represents one of the most important aeroelastic effects resulting from wind - structure interaction. The theoretical model being based on one-dimensional elements with continuously distributed mass and stiffness has been introduced in this paper. The system has been considered to be linear self-adjoint with strongly non-proportional linear damping due to both material of the structure and presence of vibration dampers. The additive random excitation continuously distributed in time and space is Gaussian, therefore the response is Gaussian as well. Consequently, mathematical mean value and correlation function are satisfactory for the full description of the generalized solution of the respective PDE in the stochastic meaning. The general results have been obtained mostly in the form of analytical formulae for important cases of input spectral densities. A numerical example dealing with real structure is presented.
Klíčová slova: distributed-parameter systems; non-proportional damping; random vibrations; slender structures; wind load
Číslo projektu: GA15-01035S (CEP)
Poskytovatel projektu: GA ČR
Zdrojový dokument: COMPDYN 2017. 6th International conference on computational methods in structural dynamics and earthquake engineering. Proceedings, ISBN 978-618-82844-1-8

Instituce: Ústav teoretické a aplikované mechaniky AV ČR (web)
Informace o dostupnosti dokumentu: Dokument je dostupný na externích webových stránkách.
Externí umístění souboru: https://2017.compdyn.org/proceedings/pdf/16935.pdf
Původní záznam: http://hdl.handle.net/11104/0276883

Trvalý odkaz NUŠL: http://www.nusl.cz/ntk/nusl-373435


Záznam je zařazen do těchto sbírek:
Věda a výzkum > AV ČR > Ústav teoretické a aplikované mechaniky
Konferenční materiály > Příspěvky z konference