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Vibration-Based Damage Detection of Beam-Like Structures Using Discrete Wavelet Transform

Lanka Ramesh, Putti Srinivasa Rao
2018 Applied Engineering Letters Journal of Engineering and Applied Sciences  
In this paper, a new modal parameters-based damage detection method has been proposed for accurate characterization of single and multi-surface cracks in beam-like structure.  ...  To illustration of this method, numerical and experimental modal analysis is performed on two aluminum cantilever beams containing single and double cracks to examine the location and quantification of  ...  Wavelet Based Damaged Detection (WBDD) is more advantageous in detecting the local features of structure's signal at high frequencies or based on the scaled and translated features of wavelets (decomposition  ... 
doi:10.18485/aeletters.2018.3.4.1 fatcat:2ypf7h44sna6xhyytgztcv34fu

Analysis of stationary roving mass effect for damage detection in beams using wavelet analysis of mode shapes

Mario Solís, Antonio J Benjumea, Mario Algaba, Pedro Galvín
2015 Journal of Physics, Conference Series  
A continuous wavelet transform is used to detect the difference between the response of a healthy state and a damaged one. The paper shows the results obtained for a beam with different cracks.  ...  This methodology is based on a wavelet analysis of the difference of mode shapes of a damaged and a reference state.  ...  Thus, vibration based damage detection techniques try to detect the presence of damage by analyzing the change on natural frequencies, mode shapes and/or damping ratios.  ... 
doi:10.1088/1742-6596/628/1/012014 fatcat:ps3exhaowba7vkh4elfjcbbz7i

Wavelet Transform of Modal Data of Beam in Damage Detection Exercise

Naresh Jaiswal, Deepak Pande
2016 Indian Journal of Science and Technology  
Most of the classical methods in damage detection technologies are based on natural frequency, mode shapes, curvature, strain energy etc.  ...  The findings of the study are useful to select the suitable mother wavelet based on discrete wavelet transform. Higher modes have shown better sensitivity towards small level of damage.  ...  The method based on the changes of the Eigen frequencies and some strain energy parameters is discussed to detect the cracks. The crack is modeled as a rotational spring.  ... 
doi:10.17485/ijst/2016/v9i26/93169 fatcat:7sj4oolt4vhspcuq43nnspnk6y

Damage detection methodology on beam-like structures based on combined modal Wavelet Transform strategy

Roger Serra, Lautaro Lopez, Roger Serra
2017 Mechanics & Industry  
Wavelet analysis has also been used to detect the abnormalities on modal shapes induced by damages. However the majority of previous work was made with non-corrupted by noise signals.  ...  Different approaches on the detection of damages based on dynamic measurement of structures have appeared in the last decades.  ...  Wu and Wang [24] used high resolution laser with Continuous Wavelet Transform (CWT) to measure the deflection profile of a cracked cantilever beam to locate its damage.  ... 
doi:10.1051/meca/2018007 fatcat:f6ron74axje23prarhzufbwwkm

Detection of cracks in simply-supported beams by continuous wavelet transform of reconstructed modal data

Shuncong Zhong, S. Olutunde Oyadiji
2011 Computers & structures  
They used continuous wavelet transform to detect the location of open cracks in damaged beams by minimizing measurement data and baseline information of the structure. Quek et al.  ...  Wang and Deng [9] discussed a structural damage detection technique based on wavelet analysis of spatially distributed response measurements.  ... 
doi:10.1016/j.compstruc.2010.08.008 fatcat:jwyfeuexjbdjvazzxk6mjvvyxi

Simulation and Analysis with Wavelet Transform Technique and the Vibration Characteristics for Early Revealing of Cracks in Structures

Nidal H. Abu-Hamdeh, Khaled Daqrouq, Fateh Mebarek-Oudina, Hijaz Ahmad
2021 Mathematical Problems in Engineering  
The simulation of frequency response feature was conducted using a finite element model to provide average measures of intensities of vibration.  ...  Implementation of improved instruments is used to detect damage in an accurate manner and fully analyze its characteristics.  ...  [45] have calculated the natural frequencies and mode shapes of multiple cracked beams under free vibration. ey used wavelet transformation to analyze the mode shapes and to obtain the positions of  ... 
doi:10.1155/2021/6626232 fatcat:irclzdk2xfg4rlcfwsrljsa2ei

Crack detection in simply supported beams using stationary wavelet transform of modal data

Shuncong Zhong, S. Olutunde Oyadiji
2011 Structural Control and Health Monitoring: The Bulletin of ACS  
However, the use of DWT or SWT is based on the wavelet decomposition and the detail coefficients can be used for crack detection.  ...  Generally, the applications of CWT on the mode shapes of cracked beams are based on the use of wavelet coefficient obtained by using different scales ( [21] and [22] ).  ... 
doi:10.1002/stc.366 fatcat:5msmjeslc5cpfo7lv7uzcsnyga

Sensitizing The Multiple Damage Identification In Beam Structure Using Hoelder Exponent And Wavelets

S Suresha, G Jaya Prakash, D Mallikarjuna Reddy
2016 IOP Conference Series: Materials Science and Engineering  
The effect of using only damaged data (mode shape from damaged beam) is investigated and compared.  ...  First, a damage identification algorithm based on continuous wavelet transform is presented in this paper and next the algorithm is verified using a numerical beam model with different simulated damage  ...  The results show that the wavelet transform is a useful tool in detection of crack in beam structures.  ... 
doi:10.1088/1757-899x/149/1/012153 fatcat:yd3idkmxtvb4td5jipcn4n73rm

Damage detection in beams from modal and wavelet analysis using a stationary roving mass and noise estimation

M. Solís, Q. Ma, P. Galvín
2018 Strain  
This paper uses the Continuous Wavelet Transform Analysis on mode shapes for damage identification.  ...  The wavelet analysis is applied to the difference in the mode shapes between a healthy and a damaged state.  ...  This work was supported by the Consejería de Economía, Innovación, Ciencia y Empleo of Andalucía (Spain) under project P12-TEP-2546 and the Ministerio de Eco-  ... 
doi:10.1111/str.12266 fatcat:s3qovbn3yjd3vfjg5bmoznxmbq

Nondestructive Damage Assessment of Composite Structures Based on Wavelet Analysis of Modal Curvatures: State-of-the-Art Review and Description of Wavelet-Based Damage Assessment Benchmark

Andrzej Katunin
2015 Shock and Vibration  
This paper presents an overview of results of numerous researchers working in the area of vibration-based damage assessment supported by the wavelet analysis and the detailed description of the Wavelet-based  ...  Considering that composites are often used for responsible elements, for example, parts of aircrafts and other vehicles, it is extremely important to maintain them properly and detect, localize, and identify  ...  The author also would like to thank two anonymous reviewers for valuable comments and suggestions which allow improving significantly this paper.  ... 
doi:10.1155/2015/735219 fatcat:ndycdbkzh5f23lnlui54ywdtee

Detection Of Cracks In Simply Supported Beam By Using Various Techniques: A Review

Tejas Kishor Patil, Prof. Ajeet B. Bhane
2017 Zenodo  
In this review work the crack detection procedure by using vibration and wavelet technique is discussed. Crack converts the linear problem to nonlinear problem and affects the natural frequency.  ...  This work provides a review for the readers and it is solution to the crack detection by wavelet technique.  ...  Nguyen Viet Khoa et al (2010) worked on "wavelet based technique for multi-crack Detection of a beam-like structure using the vibration data measured directly from a moving vehicle", in this paper an idea  ... 
doi:10.5281/zenodo.848956 fatcat:wtyh57gc55c7dhcmc5vaemw3vm

Application of Wavelet Transforms to Structural Damage Monitoring and Detection [chapter]

Erwin Ulises Lopez Palechor, Ramon Saleno Yure Costa Silva, Gilberto Gomes, Marcus V. Girão de Morais, Luciano Mendes Bezerra, Ariosto Bretanha Jorge
2022 Model-based and Signal-Based Inverse Methods  
This chapter presents applications of Wavelet Transforms in damage identification, in 1D 2D and 3D structures, using numerical and experimental data, the research works developed at the  ...  Dynamic test of intact bridge The Dogna bridge was essayed experimentally to obtain the dynamic proprieties of modal frequency and modal shape. The dynamic test use ambient vibration, as excitation.  ...  Vibration-based methods of damage detection rely on the fact that dynamic characteristics such as natural frequencies, mode shapes and damping are influenced by stiffness (Friswell, 2007; Janeliukstis  ... 
doi:10.4322/978-65-86503-71-5.c10 fatcat:vlww7ixbc5e63bksmbxirtmi5q

Wavelet-based crack identification of bridge beam from operational deflection time history

X.Q. Zhu, S.S. Law
2006 International Journal of Solids and Structures  
A new method for crack identification of bridge beam structures under a moving load based on wavelet analysis is presented.  ...  The response obtained at a single measuring point is analyzed using continuous wavelet transform and the location of the cracks is estimated.  ...  There is a large number of nondestructive methods for crack detection that are based on the changes in the dynamic properties of the structure (frequencies, mode shapes, transfer functions, 0020-7683/$  ... 
doi:10.1016/j.ijsolstr.2005.07.024 fatcat:mczcapjchndvldvmdth6ncv2di

Multiple Crack Identification Using Frequency Measurement

J.W. Xiang, M. Liang
2011 Zenodo  
When a structure is subjected to dynamic or static loads, cracks may develop and the modal frequencies of the cracked structure may change.  ...  To detect cracks in a structure, we construct a high precision wavelet finite element (EF) model of a certain structure using the B-spline wavelet on the interval (BSWI).  ...  ACKNOWLEDGMENT The authors are grateful to the support from the Natural Sciences and Engineering Research Council of Canada.  ... 
doi:10.5281/zenodo.1060513 fatcat:o6bubg26z5gl3kz6rybcoodkxa

Detection of Cracks in a Cantilever Beam Using Signal Processing and Strain Energy Based Model

P Mehta, A Kureshi, S Lad, N Patel, D Sharma
2017 IOP Conference Series: Materials Science and Engineering  
This model is based on variation in mode shapes and natural frequencies that provide accuracy in results as well as ease in practical applications.  ...  Cracks are the most common damage that initiates a breakdown phase and hence timely and accurate detection of these cracks is imperative.  ...  The vibration based non-destructive technique (NDT) works upon this measured response of mode shapes and frequency.  ... 
doi:10.1088/1757-899x/234/1/012008 fatcat:553d24r645cc5ebklixglnzdhm
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