Modular approximate discrete modeling for blisk system with triple closed-loop equivalence method
M Yao, R Song, Y Niu, Q Wu, Y Yang, L Ma - International Journal of …, 2024 - Elsevier
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 …
disks. However, the lack of systematic modeling methods leads to high errors. In order to …
Novel neural network for predicting the vibration response of mistuned bladed disks
Inevitable mistuning in cyclic bladed disk structures would cause vibration amplification
phenomena that seriously reduce the reliability of the bladed disk. The ability to accurately …
phenomena that seriously reduce the reliability of the bladed disk. The ability to accurately …
Mistuning identification and model updating of a blisk with piezoelectric excitation components
A Li, Y Fan, H Wang, Y Wu, L Li - Journal of Vibration and …, 2024 - journals.sagepub.com
Integrally bladed disks (blisks) are extensively used in military and commercial aircraft
engines. There are inevitable deviations between blades called mistuning, leading to the …
engines. There are inevitable deviations between blades called mistuning, leading to the …
A modular modeling method of mistuned blisk based on state-space theory with fitting aerodynamic excitation
R Song, M Yao, Y Niu, Q Wu - Applied Mathematical Modelling, 2023 - Elsevier
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 …
modular method combined with state-space method based on lumped-parametric model is …
Effects of crack on vibration characteristics of mistuned rotated blades
Rotated blades are key mechanical components in turbine and high cycle fatigues often
induce blade cracks. Meanwhile, mistuning is inevitable in rotated blades, which often …
induce blade cracks. Meanwhile, mistuning is inevitable in rotated blades, which often …
Reduced order models for blade-to-blade dam** variability in mistuned blisks
AGS Joshi, BI Epureanu - 2012 - asmedigitalcollection.asme.org
A novel reduced order modeling methodology to capture blade-to-blade variability in
dam** in blisks is presented. This new approach generalizes the concept of component …
dam** in blisks is presented. This new approach generalizes the concept of component …
A Physics-Informed Neural Network Surrogate Model for Mistuned Bladed Disks Dynamics
Background: The inevitable mistuning of a bladed disk breaks the cyclic symmetry of the
structure and can cause vibration localization and amplitude magnification, thereby …
structure and can cause vibration localization and amplitude magnification, thereby …
Fatigue life prediction of mistuned steam turbine blades subjected to deviations in blade geometry
The blades of the steam turbine are subjected to bending of the steam flow, centrifugal
loading, vibration response, and structural mistuning. These factors mentioned contribute …
loading, vibration response, and structural mistuning. These factors mentioned contribute …
Data-Driven Approach for Predicting Vibration Response of Bladed Disks with Geometric Mistuning Parameters
Deviations in the bladed disk manufacturing, such as uneven thickness, surface roughness,
or sinkholes in casted wheels, can cause geometric mistuning and result in vibration …
or sinkholes in casted wheels, can cause geometric mistuning and result in vibration …
[PDF][PDF] 航空发动机失谐叶盘动态特性研究进展
姚建尧， 高阳， 王建军 - 航空制造技术, 2016 - amte.net.cn
航空发动机叶盘结构中不可避免存在的失谐会严重影响发动机的结构完整性和可靠性,
国内外针对这一问题进行了大量深入的研究. 详述了失谐叶盘建模, 模型减缩 …
国内外针对这一问题进行了大量深入的研究. 详述了失谐叶盘建模, 模型减缩 …