Modelling and analysis of a bladed drum subject to the Coriolis and mistuning effects

A Tacher, F Thouverez, J Armand - International Journal of Mechanical …, 2022 - Elsevier
The interaction between the Coriolis and mistuning effects on a finite-element model (FEM)
of a simplified bladed drum compressor has been investigated in this paper. The Subset of …

[HTML][HTML] 整体叶盘结构失谐振动的国内外研究状况

白斌, 白广忱, 童晓晨, 许喆, 李晓颖 - 航空动力学报, 2014 - jasp.com.cn
阐述了整体叶盘结构失谐问题, 包括模态, 响应局部化, 局部化因子, 失谐叶盘结构分析模型和
求解方法, 重点对近10 年研究的热点问题, 如非线性, 颤振, 灵敏度, 气动与结构耦合 …

Finite element modeling and analysis of dynamic characteristics of rotating coated blisks

X Yan, D Du, K Xu, W Sun - Aerospace Science and Technology, 2022 - Elsevier
An effective passive damping treatment with hard coatings has been utilized to suppress the
vibration of blisks in previous works. However, the previous investigations have not …

Vibration localization for a rotating mistuning bladed disk with the Coriolis effect by a state-space decoupling method

X Kan, Z Xu - Proceedings of the Institution of Mechanical …, 2019 - journals.sagepub.com
Slight deviations of blades due to manufacturing tolerances can cause mistuning of bladed
disk leading to localized vibration, which can accelerate fatigue. Moreover, the rotating …

Interaction between Coriolis forces and mistuning on a cyclic symmetric structure with geometrical nonlinearity

A Tacher, F Thouverez… - … of Engineering for …, 2021 - asmedigitalcollection.asme.org
An investigation of the interaction between Coriolis forces and mistuning on a cyclic
symmetric structure is presented in this paper. The sensitivity of the eigenvalues and …

The efficient inclusion of rotation-induced inertia effects in a shaft-blisk assembly model using zero-speed modes

ME Mohamed, P Bonello - Journal of Sound and Vibration, 2020 - Elsevier
A successful design of rotating shaft-bladed disk (“blisk”) assemblies requires the facility to
reliably predict the resonance speeds, which must be avoided during operation to avoid …

Dynamique non-linéaire d'une soufflante en rotation

A Mabilia - 2020 - theses.hal.science
Dans une industrie aéronautique de plus en plus concernée par les enjeux
environnementaux de notre époque, la maîtrise du comportement dynamique revêt un …

[图书][B] Towards reliable and efficient calibration of blade tip timing measurements against finite element model predictions

MEE Mohamed - 2019 - search.proquest.com
Over the last decade, Blade tip timing (BTT) has been replacing strain gauge (SG) systems
for the measurement of the vibration of turbomachinery blades, reducing development times …

The influence of mistuning and Coriolis effects on the modal parameters of bladed discs: An experimental study

V Ruffini, JS Green… - … Expo: Power for …, 2017 - asmedigitalcollection.asme.org
A very detailed experimental analysis at several different rotational speeds was conducted
on a simplified blisk to gain in-depth understanding of how the Coriolis effects and their …

Vibration characteristics of a mistuned bladed disk considering the effect of Coriolis forces

X Kan, B Zhao - Shock and Vibration, 2016 - Wiley Online Library
To investigate the influence of Coriolis force on vibration characteristics of mistuned bladed
disk, a bladed disk with 22 blades is employed and the effects of different rotational speeds …