A Novel Combined Chaos-Geometric and Vibration Blind Source Monitoring Approach to Damage Analysis and Detection of Engineering Structures (Nuclear Power Plants) Under Varying Environmental, Operational Conditions and Emergency Accidents

Buyadzhi, V. V.; Glushkov, A. V.; Gurskaya, M. Yu.; Khetselius, O. Yu.; Ternovsky, E. B.; Mashkantsev, A. A.; Kirianov, S. V.

doi:10.18524/1815-7459.2017.4.119604

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2019

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“…Besides, one of the major applications of chaos theory is to analyze the chaotic system. By applying the earlier developed chaos-geometric and vibration blind source monitoring approach, the chaotic behavior of a cantilever beam can then be predicted [18,19]. Sadhu and Hazra introduced a blind-source-separation-based method to detect the identification of damage instant, location, and the severity of damage of a vibrating structure [20].…”

Section: Introductionmentioning

confidence: 99%

Lyapunov Exponent‐Based Study of Chaotic Mechanical Behavior of Concrete under Compression

Quan

2019

Advances in Civil Engineering

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Chaos theory is advantageous in achieving a deeper understanding of the nonlinearity and randomness of concrete behavior. In this study, the experimental data of concrete under compression were examined and discussed using Lyapunov exponent. According to the value of the Lyapunov exponent, which was larger than 0, it could be quantitatively demonstrated that measured and fitted data exhibited chaotic features. Besides, the mechanical behavior of concrete could be predicted by deducing its evolution equation. Furthermore, the evolution and trends of the Lyapunov exponent indicated that the series with human intervention showed a stronger chaotic property, which led to the result that this kind of series might be more difficult to predict.

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Section: Introductionmentioning

confidence: 99%

Lyapunov Exponent‐Based Study of Chaotic Mechanical Behavior of Concrete under Compression

Quan

2019

Advances in Civil Engineering

View full text Add to dashboard Cite

show abstract

A Novel Combined Chaos-Geometric and Vibration Blind Source Monitoring Approach to Damage Analysis and Detection of Engineering Structures (Nuclear Power Plants) Under Varying Environmental, Operational Conditions and Emergency Accidents

Cited by 1 publication

References 6 publications

Lyapunov Exponent‐Based Study of Chaotic Mechanical Behavior of Concrete under Compression

Lyapunov Exponent‐Based Study of Chaotic Mechanical Behavior of Concrete under Compression

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