Operational Damage Identification Scheme Utilizing De-Noised Frequency Response Functions and Artificial Neural Network
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Nondestructive Evaluation"
DOI: 10.1007/s10921-020-00709-x
Abstract: A damage identification scheme combining impact-synchronous modal analysis (ISMA) and artificial neural network is developed in this study. The ISMA de-noising method makes it feasible to detect and classify the damage states with high accuracy… read more here.
Keywords: identification scheme; network; damage identification; damage ... See more keywords
An Integrated Processing Method for Fatigue Damage Identification in a Steel Structure Based on Acoustic Emission Signals
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Materials Engineering and Performance"
DOI: 10.1007/s11665-017-2616-8
Abstract: Abstract This paper presents an integrated processing method that applies principal component analysis (PCA), artificial neural network (ANN), information entropy and information fusion technique to analyze acoustic emission signals for identifying fatigue damage in a… read more here.
Keywords: information; damage identification; fatigue damage; method ... See more keywords
Test verification of damage identification method based on statistical properties of structural dynamic displacement
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Civil Structural Health Monitoring"
DOI: 10.1007/s13349-019-00331-0
Abstract: In this paper, test verification for a method of damage identification using artificial neural network (ANN) based on statistical properties of structural dynamic displacements was carried out. Six fixed beam models are fabricated, and damages… read more here.
Keywords: damage identification; neural network; damage; test verification ... See more keywords
Damage identification under ambient vibration and unpredictable signal nature
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Civil Structural Health Monitoring"
DOI: 10.1007/s13349-021-00503-x
Abstract: Ambient vibration is an unknown excitation source that may produce stationary or non-stationary signals. Under such circumstances, traditional feature extraction techniques may not yield relevant features to damage and not provide reliable results of damage… read more here.
Keywords: damage identification; vibration; ambient vibration; nature ... See more keywords
Sensor clustering-based approach for structural damage identification under ambient vibration
Sign Up to like & getrecommendations! Published in 2021 at "Automation in Construction"
DOI: 10.1016/j.autcon.2020.103433
Abstract: Abstract This study explored the sensor clustering-based damage detection beyond the free-vibration limitation to allow for the direct utilisation of time-series for damage identification under ambient vibration. In the proposed method, a dense sensor network… read more here.
Keywords: clustering based; damage identification; vibration; damage ... See more keywords
Damage identification under uncertain mass density distributions
Sign Up to like & getrecommendations! Published in 2021 at "Computer Methods in Applied Mechanics and Engineering"
DOI: 10.1016/j.cma.2021.113672
Abstract: Abstract Nondestructive damage identification is a central task, for example, in aeronautical, civil and naval engineering. The identification approaches based on (physical) models rely on the predictive accuracy of the forward model, and typically suffer… read more here.
Keywords: damage identification; mass density; uncertain mass; identification ... See more keywords
Probabilistic damage identification of a designed 9-story building using modal data in the presence of modeling errors
Sign Up to like & getrecommendations! Published in 2017 at "Engineering Structures"
DOI: 10.1016/j.engstruct.2016.10.033
Abstract: Abstract Validity and accuracy of model based identification techniques such as linear finite element (FE) model updating are sensitive to modeling errors. Models used for the design and performance assessment of civil structures often contain… read more here.
Keywords: damage identification; model updating; modeling errors; damage ... See more keywords
Damage identification for frame structures using vision-based measurement
Sign Up to like & getrecommendations! Published in 2019 at "Engineering Structures"
DOI: 10.1016/j.engstruct.2019.109634
Abstract: Abstract Extracting physical parameters for damage identification problems from full-field measurements is a promising research because of the recent spread of vision-based measurement techniques in the experimental mechanics. This paper presents a vision-based measurement framework… read more here.
Keywords: vision based; damage identification; based measurement; camera ... See more keywords
Thermoelasticity-based modal damage identification
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Fatigue"
DOI: 10.1016/j.ijfatigue.2020.105661
Abstract: Abstract The response of linear dynamic structures can be decomposed into modal components, where each natural frequency is also represented by a corresponding mode shape and damping ratio. While vibration-fatigue-damage identification was recently expanded using… read more here.
Keywords: based modal; damage identification; modal damage; damage ... See more keywords
Low energy impact damage identification method of CFRP structure based on wavelet transform and probabilistic neural network
Sign Up to like & getrecommendations! Published in 2021 at "Optik"
DOI: 10.1016/j.ijleo.2021.166490
Abstract: Abstract Low energy impact damage identification of carbon fiber reinforced plastics (CFRP) structure is of great significance to ensure the safe service of the structure. In this paper, the low energy impact damage identification method… read more here.
Keywords: damage identification; impact damage; low energy; damage ... See more keywords
Structural damage identification built on a response surface model and the flexibility matrix
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2018.02.063
Abstract: Abstract The present work is concerned with the inverse problem of structural damage identification. The damage state of the structure is continuously described by a cohesion field, spatially discretized by the finite element method, and… read more here.
Keywords: damage identification; flexibility matrix; response; damage ... See more keywords