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Modal and spectral properties of the rotor on permanent magnet bearings
Kozánek, Jan ; Scopel, D. ; Svoboda, R. ; Šafr, M.
In this article the spectral and modal properties of the rotor on contactless bearings are investigated. The dynamic behaviour, especially the eigenfrequencies and corresponding modes have been calculated in two different ways, by the FEM ANSYS software in the Institute of Thermomechanics and by the program DYNROT in TECHLAB company. The importance of this analysis is supported by the fact that the first non-rigid body resonance is not far from the working rotation speed 40 000 rpm .

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