ROTOR DYNAMICS OF TURBOMACHINERYDownload article...
- Degtiarev S.A., Kutakov M.N., Leontiev M.K., Popov V.V., Romashin Y.S. Consideration of contact interaction when modelling stiffness characteristics of roll bearings
"Вестник Московского авиационного института", 2015. №2, v22
When solving rotor dynamic tasks of rotating machines including aviation gas turbine engines, calculation accuracy of the system elements is highly important. One of the most widespread elements of the supports is a roll bearing. Its simulation is determined by necessity to take into account contact interaction between rolling elements and rings. Usually this interaction is described using analytical or empirical equations. This paper presents development of dependence between outer load and displacement for the tasks of linear contact of a cylinder half and a flat surface using finite element method. The obtained dependence is compared with an empirically obtained Palmgren equation for the same task.
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