Engineering Mechanics

International Conference

Proceedings Vol. 19 (2013)


ENGINEERING MECHANICS 2013

19th INTERNATIONAL CONFERENCE
May 13 – 16, 2013, Svratka, Czech Republic
;
Editors: Igor Zolotarev and Vojtěch Radolf

Copyright © 2013 Institute of Thermomechanics, Academy of Sciences of the Czech Republic, v.v.i., Prague

ISBN 978-80-87012-47-5 (printed)
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)

list of papers scientific commitee

EXPERIMENTAL VERIFICATION OF RESONANCE BEHAVIOUR OF A DAMPED SPHERICAL PENDULUM
Fischer C., Pospíšil S., Náprstek J.
pages 96 - 106, full text

Theoretical, experimental and numerical analysis of a spherical pendulum is carried out. The stability of the respons e in a vertical plane is analysed in the theoretically predicted resonance region. Mathematical model respects the non-linear character of the pendulum and allows to introduce asymmetrical damping. Experimental analysis is performed using a special experimental frame where a pendulum is supported by the Cardan joint and damped by two magnetic units. Uni-directional harmonic excitation is applied to the system. These units are able to reproduce linear viscous damping independently in both principal response components. Measured data are compared to theoret ical and numerical results.


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All papers were reviewed by members of the scientific committee.


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