Proceedings Vol. 13 (2007)
ENGINEERING MECHANICS 2007
May 14 – 17, 2007, Svratka, Czech Republic
Copyright © 2007 Institute of Thermomechanics, Academy of Sciences of the Czech Republic, v.v.i., Prague
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)
list of papers scientific commitee
pages 325 - +12p., full text
The paper deals with mathematical modelling of vibration and modal analysis of an individual wheelset drive with a hollow graduated shaft. The method is based on the system decomposition into subsystems, which are modelled in special configuration spaces, and on modelling of elastic couplings between subsystems. The mathematical model respects spatial vibration of the engine linked with gear housing and nonlinear contact forces between wheels and rails. The eigenvalues of a linearized autonomous model and stability conditions are investigated in dependence on longitudinal creepage and forward velocity of the wheelset.
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