Detection of cracks in structures using modal test data
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Cited by (122)
A novel method for single and multiple damage detection in beams using relative natural frequency changes
2019, Mechanical Systems and Signal ProcessingCitation Excerpt :In contrast, natural frequencies are easily measured using a single sensor at any accessible point in the structure (except for a node of any particular mode of vibration) and can be monitored with superior accuracy and reproducibility [8,9]. Thus, natural frequency-based damage detection has been presented in many studies [10–34]. Among these, some attempts to detect single damage in beam-like structures are as follows.
Dynamic characteristic analysis of cracked cantilever beams under different crack types
2017, Engineering Failure AnalysisCitation Excerpt :According to the existing literatures [10,11,31–34], two types of crack models are generally used in the previous study: open crack models [35,36] and breathing crack models [37–40]. Based on the open crack models, most researchers [29,30] estimated the presence of the crack by monitoring the frequency changes, which was effective for detecting large cracks. Nevertheless, natural frequency changes are not sensitive to small cracks, i.e., this monitoring method has its limitation [19,24].
Free Vibration of Rectangular Composite Cantilever Plate and Its Application in Material Degradation Assessment
2023, Applied Sciences (Switzerland)Modal participation ratio in damage identification of building structures: A numerical validation
2023, JVC/Journal of Vibration and Control