On-line real-time mistuning identification and model calibration method for rotating blisks based on blade tip timing (BTT)
D Hu, W Wang, X Zhang, K Chen - Mechanical Systems and Signal …, 2021 - Elsevier
Identifying the mistuning parameters and calibrating the finite element model (FEM) of the
mistuned blisk in real-time is a meaningful way to acquire the blisk's dynamic characteristics …
mistuned blisk in real-time is a meaningful way to acquire the blisk's dynamic characteristics …
Statistical analysis of the nonlinear response of bladed disks with mistuning and cracks
In this paper, efficient techniques are presented for analyzing the dynamics of mistuned
bladed disks with cracks. The analysis of the influence of cracks, coupled with the influence …
bladed disks with cracks. The analysis of the influence of cracks, coupled with the influence …
Experimental and Computational Study of a Rotating Bladed Disk with Under-Platform Dampers
There has been an extensive amount of work developing reduced-order models (ROMs) for
bladed disks using single-sector models and a cyclic analysis. Several ROMs currently exist …
bladed disks using single-sector models and a cyclic analysis. Several ROMs currently exist …
An experimental and computational investigation of a pulsed air-jet excitation system on a rotating bladed disk
Nonsynchronous vibrations are a difficult problem to address for turbomachines due to the
complex nature of the forcing. Such vibrations can be caused by vortex shedding, flow …
complex nature of the forcing. Such vibrations can be caused by vortex shedding, flow …
A new experimental facility for characterizing bladed disk dynamics at design speed
An experimental facility for structural dynamics programs that uses an above-ground
containment tank specifically designed to house bladed disks operating at design speed is …
containment tank specifically designed to house bladed disks operating at design speed is …
Geometric mistuning reduced-order model development utilizing Bayesian surrogate models for component mode calculations
JA Beck, JM Brown… - … for Gas Turbines …, 2019 - asmedigitalcollection.asme.org
Integrally bladed rotors (IBRs) are meant to be rotationally periodic structures. However,
unique variations in geometries and material properties from sector-to-sector, called …
unique variations in geometries and material properties from sector-to-sector, called …
Stochastic reduced order modelling and analysis of rotating bladed discs
A computational finite-element (FE)-based technique is proposed for developing a
stochastic reduced order model for rotating bladed disc with spatial random …
stochastic reduced order model for rotating bladed disc with spatial random …
Parametric investigation of vibratory responses for reduced-order models of rotating bladed disks
Attempting to predict the physical response of a complex system under realistic conditions is
extremely challenging. In this work, a parametric reduced-order model (PROM) of a bladed …
extremely challenging. In this work, a parametric reduced-order model (PROM) of a bladed …
Response and EPSD of rotor-blade nonlinear system with non-stationary non-Gaussian stochastic excitation via PGHW method
X Han, OS Jiménez, E Pagnacco - Computers & Mathematics with …, 2023 - Elsevier
The periodic generalized harmonic wavelet (PGHW) method is used to analyze the forced
response of a periodic time-varying rotor-blade nonlinear system undergoing mechanical …
response of a periodic time-varying rotor-blade nonlinear system undergoing mechanical …
A statistical characterization of the effects and interactions of small and large mistuning on multistage bladed disks
As turbomachinery systems continue to push the limits of modern technology, the modeling
techniques being developed also continue to push modern computational limits. While …
techniques being developed also continue to push modern computational limits. While …