In aero-engines, the blades are exposed to severe environments and subjected to complex
conditions, which can cause damage and cracks. Existing analytical models focus primarily …

In order to improve the solution efficiency of vibration characteristics for the mistuned blisk, a
modular method combined with state-space method based on lumped-parametric model is …

The bladed disk is the core component which is under load in aero-engine, rocket engine
and gas turbine. In recent years, the bladed disk has developed towards the direction of …

Monitoring rotor blade vibrations is imperative in aero-engine testing and service. Blade tip
timing (BTT), a promising technique for such monitoring, assesses the operational status of …

Boundary conditions significantly affect the vibration characteristics of mechanical structures.
Hard coatings are applied to reduce the vibration levels of blisks, and the modelling …

In order to improve the calculation efficiency of high fidelity finite element model (FEM) and
solve the problem of the high BTT test cost, a blade tip timing (BTT) data simulator of rotating …

Vibration problems of rotor blisks have been investigated in the past several years. To
suppress the vibration level, hard coatings have been employed on blisks in several works …

Rotating blades are fundamental but fragile components in turbomachinery, and damage to
rotating blades severely endanger the operational safety. Thus, it is vital to monitor the blade …

Dynamic analysis results of a blisk are sensitive to inevitable geometrical mistuning, and the
high-fidelity finite element model (FEM) of real blisk is of paramount importance to accurately …

At present, the lumped-parametric model is often used in the preliminary design of bladed
disks. However, the lack of systematic modeling methods leads to high errors. In order to …