针对航空发动机整机振动, 建立了一种通用的复杂转子-支承-机匣耦合动力学模型. 在模型中,
利用有限元方法对转子和机匣系统进行建模. 支承系统采用集总参数模型 …

In this study, a new rotor–ball-bearing–casing coupling dynamic model for a practical aero-
engine is established. In the coupling system, the rotor and casing systems are modelled …

针对实际的双转子航空发动机, 建立了航空发动机双转子-支承-机匣耦合动力学模型.
在耦合模型中, 利用有限元方法对转子和机匣系统进行建模; 支承系统采用了集总参数模型 …

Rolling-element bearings are widely used in industrial rotating machines, and hence there is
a strong need to accurately predict their influence on the response of such systems …

This paper presents an approach for blade loss simulation including thermal growth effects
for a dual-rotor gas turbine engine supported on bearing and squeeze film damper. A …

A hybrid foil-magnetic bearing (HFMB) was successfully studied as a vibration isolator by
introducing a sudden imbalance or an unexpected disturbance during turbine/rotor …

Two different floating ring squeeze film dampers (FSFD) were studied, one has a single oil
film, which is referred as FSFDS, and the other has a double layer oil film, which is referred …

面向航空发动机整机振动, 建立了航空发动机转子-滚动轴承-机匣耦合动力学模型.
该模型具有如下特点:(1) 考虑转子, 滚动轴承及机匣之间的耦合作用;(2) 考虑了实际航空发动机 …

This paper summarizes the development of a novel magnetic suspension that improves
reliability via fault-tolerant operation. The suspension is suitable for flywheels used in …

The large and complex structures are divided into hundreds of thousands or millions
degrees of freedom (DOF) when they are calculated which will spend a lot of time and the …