2024
DOI: 10.21595/jve.2024.23331
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Research on frequency-variation square ratio in damage identification technique for single column platforms

Tengge Sun,
Qinghua Ai

Abstract: This paper attempts to utilize lower order harmonics and modes of vibration consisting of “square ratios of frequency variations” as structural damage susceptibility characteristics. This is followed by the development of the frequency-based method. Firstly, this paper derives the theoretical formulation of the square ratio of frequency variation method. Secondly, a finite element model of a single column platform is established. Then the damage is simulated using the reduced modulus of elasticity to localize … Show more

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