Journal ArticleDOI
Coupled transverse and axial vibratory behaviour of cracked beam with end mass and rotary inertia
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TLDR
In this paper, the vibrational behavior of a cracked cantilever beam carrying end mass and rotary inertia is investigated through the crack model and the values of the ratio between the cracked and uncracked beam natural frequencies, the frequency ratio, are examined and are shown to follow well-defined trends with respect to the crack parameters and end mass.About:
This article is published in Journal of Sound and Vibration.The article was published on 2003-04-03. It has received 40 citations till now. The article focuses on the topics: Rotary inertia & Timoshenko beam theory.read more
Citations
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The strain energy release approach for modeling cracks in rotors: A state of the art review
TL;DR: In this paper, the strain energy release rate (SERR) theory is applied to a rotating crack and gives good results, and different methods of crack identification are presented as well as those for multi-crack identification.
Journal ArticleDOI
Free Vibration Analysis of Euler-Bernoulli Beam with Double Cracks
TL;DR: In this article, the influence of two open cracks on the dynamic behavior of a double-cracked simply supported beam is investigated both analytically and experimentally, and the equation of motion is derived by using the Hamilton's principle and analyzed by numerical method.
Journal ArticleDOI
Review of Techniques for Fault Diagnosis in Damaged Structure and Engineering System
TL;DR: In this article, an overview of various methodologies used in fault diagnosis and condition monitoring of damaged structures subjected to varied dynamic loading has been given; the methods used are classical, wavelet transform, and finite element methods, artificial intelligence methods, and numerical and experimental methods.
Journal ArticleDOI
Crack parameter estimation in structures using finite element modeling
Mohammad H. Dado,Omar A. Shpli +1 more
TL;DR: In this article, an optimization technique based on a finite element model for cracked structural elements is employed in the estimation of crack parameters for beam, truss and two-dimensional frame structures.
Journal ArticleDOI
Computational analysis of multi-stepped beams and beams with linearly-varying heights implementing closed-form finite element formulation for multi-cracked beam elements
TL;DR: In this paper, a closed-form stiffness matrix and a load vector for Euler-Bernoulli Euler beams are derived for a single-stepped beam and beams with linearly-varying heights.
References
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Journal ArticleDOI
Identification of crack location and magnitude in a cantilever beam from the vibration modes
TL;DR: In this article, the authors proposed a non-destructive testing method for crack identification, which requires amplitude measurements at two positions of the structure only and is applicable to all one-dimensional structures.
Journal ArticleDOI
A continuous cracked beam vibration theory
TL;DR: In this paper, a continuous cracked beam vibration theory is developed for the lateral vibration of cracked Euler-Bernoulli beams with single-edge or double-edge open cracks.
Journal ArticleDOI
Eigenfrequency changes of structures due to cracks, notches or other geometrical changes
TL;DR: In this paper, a first order perturbation method is presented which predicts the changes in resonance frequencies of a structure resulting from cracks, notches or other geometrical changes.
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Free vibration analysis of a cracked beam by finite element method
D.Y. Zheng,Nicole F Kessissoglou +1 more