Research Article

Nonlinear Dynamic Analysis of Rotor Rub-Impact System

Table 1

Parameters of the rotor system.

ParameterValue

m14.0 kg
m232.0 kg
m332.0 kg
K2.5 × 107 N·m−1
kc1 × 107 N·m−1
c11050 N·s·m−1
c22100 N·s·m−1
b10.05 mm
b20.05 mm
μ0.018 Pa·s
R25 mm
L12 mm
c0.11 mm
f0.1