INSTABILITY ANALYSIS OF UNSYMMETRICAL ROTOR-BEARING SYSTEMS USING THE TRANSFER MATRIX METHOD

摘要

In this study, a modified transfer matrix approach,valid for complex rotor-bearing systems, was developed to analyze the instability in unsymmetrical rotor-bearing systems. Specifically, the transfer matrices of non-axisymmetrical shaft segments were derived by using a continuous-system sense to obtain an accurate formulation. The influences of bearing characteristics and shaft asymmetry on the transition curves of T-type and 2T-type solutions were evaluated by using Bolotin's method. (C) 1997 Academic Press Limited. [References: 15]