Results 21 to 30 of about 936,745 (311)

Multi-Mode Ultrasonic Guided Waves Based Damage Detection in L-Bars with Asymmetric Cross-Section with Sum of Multiple Signals Method

open access: yesSensors, 2022
Bars are significant load-carrying components in engineering structures. In particular, L-bars are typical structural components commonly used in truss structures and have typical irregular asymmetric cross-sections. To ensure the safety of load-carrying
Zhengyan Yang   +5 more
doaj   +1 more source

Damage Detection of An Automobile

open access: yesInternational Journal of Engineering Research in Computer Science and Engineering, 2022
As a result of the proliferation of automobile in- dustries today. There have been an increasing number of car accidents, not all of which are serious, but the automobile is damaged. Detecting automobile damage at the site of an accident using images is exceptionally beneficial as it may significantly lower the cost of processing the insurance ...
R Melvin Raj   +4 more
openaire   +1 more source

Drone-Based Vibration Monitoring and Assessment of Structures

open access: yesApplied Sciences, 2021
This paper presents a novel method of procuring and processing data for the assessment of civil structures via vibration monitoring. This includes the development of a custom sensor package designed to minimize the size/weight while being fully self ...
Sabrina Carroll   +5 more
doaj   +1 more source

Experimental study on damage detection of a truss bridge under moving load using artificial neural network and empirical wavelet transform [PDF]

open access: yesمهندسی عمران شریف
Civil structures are always considered one of the most valuable properties of each country. Many factors can lead to local damages in different parts of structures during their operational life.
S. Shahmohammadi, M. Mahmoudi
doaj   +1 more source

Damage Detection Using Wavelet Packet Decomposition and Random Forests Algorithm in Experimental Structure at the UBC (University of British Columbia) [PDF]

open access: yesپژوهش‌های زیرساخت‌های عمرانی, 2018
Damage Detection methods based on signal are principal and widely used methods that contain wavelet packet decomposition, which is one of new methods in this field.
Omid Habibzadeh Azari   +1 more
doaj   +1 more source

Indirect Detection of DNA Damage [PDF]

open access: yesChemistry & Biology, 2005
In this issue of Chemistry and Biology, Naegeli and coworkers show that the nucleotide excision repair system of mammalian cells detects bulky DNA adducts, not by recognition of the adduct per se, but by recognition of the undamaged partner strand in bulged form.
openaire   +2 more sources

ARX residuals in damage detection

open access: yesStructural Control and Health Monitoring, 2011
SUMMARY The relationship between residuals obtained from Autoregressive with Exogenous Input (ARX) predictors is examined from the perspective of resolution in damage detection. It is shown that residuals from all ARX structures are filtered versions of those obtained when only inputs are used to compute the predictions, i.e.
Bernal, Dionisio Prospero   +2 more
openaire   +1 more source

Bridge Damage Detection Approach Using a Roving Camera Technique

open access: yesSensors, 2021
Increasing extreme climate events, intensifying traffic patterns and long-term underinvestment have led to the escalated deterioration of bridges within our road and rail transport networks.
Darragh Lydon   +5 more
doaj   +1 more source

Damage Detection of Bridge by Rayleigh-Ritz Method [PDF]

open access: yesJournal of Rehabilitation in Civil Engineering, 2020
As a result of environmental and accidental actions, damage occurs in structures. The early detection of any defect can be achieved by regular inspection and condition assessment.
Mohammad Hasan Daneshvar   +3 more
doaj   +1 more source

Deep Learning Enriched Automation in Damage Detection for Sustainable Operation in Pipelines with Welding Defects under Varying Embedment Conditions

open access: yesComputation, 2023
Welded joints in metallic pipelines and other structures are used to connect metallic structures. Welding defects, such as cracks and lack of fusion, are vulnerable to initiating early-age cracking and corrosion.
Li Shang   +6 more
doaj   +1 more source

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