Анализ прочности и динамики поворотно-симметричных многокомпонентных конструкций (подшипниковых узлов качения)

Abstract

This paper reviewed and analyzed the methods of strength and dynamic analysis of cyclically symmetric structures. The original method of analysis has been proposed cyclically symmetric structures such as rolling bearings. Rolling bearings are commonly used in industrial machines. Features cyclically symmetrical designs allow the creation of specialized by theory and numerical techniques to move from the general methods of analysis in the direction of special, much smaller dimensions and costs. Methods for solving spectral problems for cyclically symmetric structures are based on the inclusion of quasi-cyclic decomposition scheme "inside" of the iterative algorithm conversion subspace. Each step of the method is modeled on the basis of cyclical sectors. This allows processing sector finite-element model for each stage. Connectivity is achieved by cyclic recombination inter-face degrees of freedom. The functionality of this approach has been tested. Conclusions of the vibrations of rolling bearings were made.