The strain energy release approach for modeling cracks in rotors: A state of the art review

CA Papadopoulos - Mechanical systems and signal processing, 2008 - Elsevier
The strain energy release rate (SERR) theory, combined with Linear Fracture Mechanics
and Rotordynamics theories, has been widely used over the last three decades in order to …

Modelling and analysis of a cracked rotor: a review of the literature and its implications

N Kushwaha, VN Patel - Archive of Applied Mechanics, 2020 - Springer
Timely detection of fatigue cracks is necessary to avoid catastrophic failure of rotating
machines which can lead to economical losses and accidental risk. This paper presents an …

Model based fault diagnosis of a rotor–bearing system for misalignment and unbalance under steady-state condition

AK Jalan, AR Mohanty - Journal of sound and vibration, 2009 - Elsevier
Vibration monitoring is one of the primary techniques of condition monitoring of rotating
machines. Shaft misalignment and rotor unbalance are the main sources of vibration in …

New breathing functions for the transverse breathing crack of the cracked rotor system: approach for critical and subcritical harmonic analysis

MA Al-Shudeifat, EA Butcher - Journal of Sound and Vibration, 2011 - Elsevier
The actual breathing mechanism of the transverse breathing crack in the cracked rotor
system that appears due to the shaft weight is addressed here. As a result, the correct time …

Model-based identification of rotating machines

AW Lees, JK Sinha, MI Friswell - Mechanical Systems and Signal …, 2009 - Elsevier
Over the decades, vibration-based condition monitoring has become well accepted and
widely used to identify faults in rotating machines. However, the quantification of faults may …

Nonlinear response analysis for a dual-rotor system with a breathing transverse crack in the hollow shaft

Z Lu, L Hou, Y Chen, C Sun - Nonlinear Dynamics, 2016 - Springer
This paper focuses on the nonlinear response characteristics of a dual-rotor system with a
breathing transverse crack in the hollow shaft of the high-pressure rotor (rotor 1). A finite …

[PDF][PDF] CNN-based damage identification method of tied-arch bridge using spatial-spectral information

Y Duan, Q Chen, H Zhang, CB Yun, S Wu… - Smart Struct. Syst, 2019 - researchgate.net
In the structural health monitoring field, damage detection has been commonly carried out
based on the structural model and the engineering features related to the model. However …

A model-based identification method of transverse cracks in rotating shafts suitable for industrial machines

P Pennacchi, N Bachschmid, A Vania - Mechanical Systems and Signal …, 2006 - Elsevier
This paper presents a model-based transverse crack identification method suitable for
industrial machines. The method is validated by experimental results obtained on a large …

On the finite element modeling of the asymmetric cracked rotor

MA Al-Shudeifat - Journal of sound and vibration, 2013 - Elsevier
The advanced phase of the breathing crack in the heavy duty horizontal rotor system is
expected to be dominated by the open crack state rather than the breathing state after a …

Detection of cracks in rotor based on the 2× and 3× super-harmonic frequency components and the crack–unbalance interactions

JJ Sinou - Communications in Nonlinear Science and Numerical …, 2008 - Elsevier
The purpose of this paper is to investigate the use of the 2× and 3× super-harmonic
frequency components for detecting the presence of a single transverse breathing crack in a …