Damage detection using modal frequency curve and squared residual wavelet coefficients-based damage indicator
Sign Up to like & getrecommendations! Published in 2017 at "Mechanical Systems and Signal Processing"
DOI: 10.1016/j.ymssp.2016.06.021
Abstract: Abstract A theoretical and experimental study of the frequency-based damage detection method has been presented in this paper. Based on the eigenvalue problem and perturbation assumption of defect in modal response, the theoretical basis of… read more here.
Keywords: frequency curve; frequency; method; damage ... See more keywords
An Experimental Study of the Feasibility of Identifying the Impact Damages of Reinforced Concrete Piers Using a Modal Frequency Method
Sign Up to like & getrecommendations! Published in 2020 at "Advances in Civil Engineering"
DOI: 10.1155/2020/6365354
Abstract: In this research study, horizontal impact tests were carried out on five reduced scale pier models using China’s most advanced multifunctional ultrahigh heavy drop hammer impact test system and DHDAS dynamic signal acquisition and analysis… read more here.
Keywords: modal frequency; method; impact damages; damage ... See more keywords
Revealing optical loss from modal frequency degeneracy in a long optical cavity.
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DOI: 10.1364/oe.430276
Abstract: Optical loss plays a significant role in optical experiments involving optical cavities such as recycling cavities and filter cavities in laser interferometer gravitational-wave detectors. For those cavities, modal frequency degeneracy, where the fundamental and a… read more here.
Keywords: frequency degeneracy; modal frequency; cavity; optical loss ... See more keywords