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Modal analysis of a rubber-suspended Stadler wheel with two variants of leaf dampers
Šnábl, Pavel ; Pešek, Luděk ; Bula, Vítězslav
The aim of this work was an experimental modal analysis of the Stadler tram wheel for two shock absorber variants: a) standard leaf shocks, b) leaf shear shocks. In the report the measurement methodology is described and the results of the modal analysis are tabulated. The results of the modal behaviour of each damper variant give an assessment of their effectiveness in suppressing significant resonances and the corresponding mode shapes. Standard leaf dampers designed as an open steel-rubber sandwich contributed most to the damping enhancement for the R3 shape, followed by R2. Newly developed leaf shear dampers provided a significant increase in damping for the R2 shape compared to standard dampers.

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