Engineering Mechanics

International Conference

Proceedings Vol. 17 (2011)


ENGINEERING MECHANICS 2011

17th INTERNATIONAL CONFERENCE
May 9 – 12, 2011, Svratka, Czech Republic
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Editors: Vladimír Fuis

Copyright © 2011 Institute of Thermomechanics, Academy of Sciences of the Czech Republic, v.v.i., Prague

ISBN 978-80-87012-33-8 (printed)
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)

list of papers scientific commitee

SELECTED APPROACHES TO MATHEMATIC MODELING OF RAIN-WIND INDUCED VIBRATIONS
Nevařil A., Hradil P., Mrózek M.
pages 431 - 434, full text

Large amplitude vibrations of cylindrical structural elements are observed when under the simultaneous action of wind and rain. Due to the action of wind and rain a translating water rivulet forms on the skew cable surface changing significantly the aerodynamic properties of the cable. General mathematic description of the problem is in the form of nonlinear equations, thus this problem is frequently simplified to 1 or 2 degree of freedom system. Another possibility of avoiding complex mathematic description is numerical simulation of the problem using CFD computer program. The paper describes the fundamental principles of modeling rain-wind flow interacting with an obstacle.


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