2017
DOI: 10.1016/j.ymssp.2016.07.012
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Sensitivity-based model updating for structural damage identification using total variation regularization

Abstract: Sensitivity-based Finite Element Model Updating (FEMU) is one of the widely accepted techniques used for damage identification in structures. FEMU can be formulated as a numerical optimization problem and solved iteratively making automatic updating of the uncertain model parameters by minimizing the difference between measured and analytical structural properties. However, in the presence of noise in the measurements, the updating results are usually prone to errors. This is mathematically described as instab… Show more

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Cited by 37 publications
(23 citation statements)
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“…Several approaches are being used to detect and identify the damage status. Vibration‐based damage detection method is one of the most used and interested to mass, stiffness, and damping representing the dynamic features like natural frequencies, mode shape, and damping ratios 16,41–44 . Structural damage can be detected, localized, and quantified easily and accurately by properly updated FE model 45–47 …”
Section: Introductionmentioning
confidence: 99%
“…Several approaches are being used to detect and identify the damage status. Vibration‐based damage detection method is one of the most used and interested to mass, stiffness, and damping representing the dynamic features like natural frequencies, mode shape, and damping ratios 16,41–44 . Structural damage can be detected, localized, and quantified easily and accurately by properly updated FE model 45–47 …”
Section: Introductionmentioning
confidence: 99%
“…Crack detection/identification problem has been a challenging one and taken considerable attention in the last two decades. These methods mostly rely on the vibration characteristics measured in forced and/or free vibration experiments (Fan and Qiao, 2011; Grip et al, 2017; Yan et al, 2007). In most studies, natural frequencies and modal node displacements have been used as damage/crack indicators.…”
Section: Introductionmentioning
confidence: 99%
“…The FE method is used in many applications in engineering practice such as structural response prediction, structural control, structural health monitoring, damage detection, and reliability and risk assessment [1][2][3][4][5][6]. However, the accuracy of the FE model may be adversely affected by the inaccuracies in the model often related to material properties, modeling of joints, boundary conditions, and damping and simplifications made.…”
Section: Introductionmentioning
confidence: 99%