Simulations on Torsional Vibration of Rotors Based on Four-Terminal Network Model and Mechanical Impedance Method

摘要

A parameter-distributed model for torsional vibration of rotors is put forward based on the four-terminal network model and mechanical impedance method. A related software package is developed, which can be used to analyse the characteristic frequencies, vibration mode shapes, stress distributions and some other performance characteristics of torsional vibration systems. The model introduced in this paper is an accurate and low-ordered one, whose algorithm is simple and quick. And the developed software package is so practical that it can be utilized to make some simulation studies on the rotors.