Results 11 to 20 of about 71,141 (311)

Using Hybrid Filter-Wrapper Feature Selection With Multi-Objective Improved-Salp Optimization for Crack Severity Recognition

open access: yesIEEE Access, 2020
The emerging technology of Structural Health Monitoring (SHM) paved the way for spotting and continuous tracking of structural damage. One of the major defects in historical structures is cracking, which represents an indicator of potential structural ...
Esraa Elhariri   +2 more
doaj   +3 more sources

Effect of thermal axial load on vibration of cracked nanomaterial beam using nonlocal elasticity theory under different boundary conditions

open access: yesZanco Journal of Pure and Applied Sciences, 2021
The aim of this paper is to investigate the free vibration of single-cracked nanomaterials beams under thermal axial load. The beam model is Euler-Bernoulli.
Mohammedtaher M. Saeed Mulapeer
doaj   +3 more sources

Early discharge predictors among inpatient crack cocaine users [PDF]

open access: yesTrends in Psychiatry and Psychotherapy, 2023
Introduction High rates of early hospital discharge are often observed in crack cocaine users and are related to adverse outcomes and increased public spending.
Edgar Klein   +7 more
doaj   +1 more source

LDA-Based Model for Defect Management in Residential Buildings [PDF]

open access: yes, 2019
This study systematically analyzes various defect patterns that occur during the warranty period of residential buildings using the loss distribution approach (LDA).
안용한
core   +1 more source

Localization of transversal cracks in sandwich beams and evaluation of their severity [PDF]

open access: yes, 2014
An algorithm to assess transversal cracks in composite structures based on natural frequency changes due to damage is proposed. The damage assessment is performed in two steps; first the crack location is found, and afterwards an evaluation of its ...
Abdel Wahab, Magd   +3 more
core   +3 more sources

Oxytocin Receptor Exon III Methylation in the Umbilical Cord Blood of Newborns With Prenatal Exposure to Crack Cocaine

open access: yesFrontiers in Cell and Developmental Biology, 2021
BackgroundPrenatal cocaine exposure (PCE) is associated with behavioral, cognitive, and social consequences in children that might persist into later development.
Talita Baptista   +15 more
doaj   +1 more source

Crack Junction Detection in Pavement Image Using Correlation Structure Analysis and Iterative Tensor Voting

open access: yesIEEE Access, 2019
Crack junction is the crossing or branching point of different cracks in the pavement image. It represents the branch of transverse crack or longitudinal crack, and describes the interlaced network of alligator crack.
Yanli Wang, Yuchun Huang, Weihong Huang
doaj   +1 more source

Development of Sidewalk Block Pavement Condition Index (SBPCI) using Analytical Hierarchy Process [PDF]

open access: yes, 2019
This study aimed at developing SBPCI (Sidewalk Block Pavement Condition Index) with sidewalk pavement condition survey data of Seoul city in order to attain a quantitative evaluation method of sidewalk pavement condition.
서영찬
core   +1 more source

Mode I stress intensity factor with various crack types

open access: yesFracture and Structural Integrity, 2021
Presence of cracks in mechanical components needs much attention, where the stress field is affected by cracks and the propagation of cracks may be occurred causing the damage.
Ehab Samir Mohamed Mohamed Soliman
doaj  

Pitting damage levels estimation for planetary gear sets based on model simulation and grey relational analysis [PDF]

open access: yes, 2011
The planetary gearbox is a critical mechanism in helicopter transmission systems. Tooth failures in planetary gear sets will cause great risk to helicopter operations.
Cheng, Zhe   +3 more
core   +1 more source

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