Results 51 to 60 of about 6,000 (220)

Recent Milestones in Unraveling the Full-Field Structure of Dynamic Shear Cracks and Fault Ruptures in Real-Time: From Photoelasticity to Ultrahigh-Speed Digital Image Correlation [PDF]

open access: yes, 2020
The last few decades have seen great achievements in dynamic fracture mechanics. Yet, it was not possible to experimentally quantify the full-field behavior of dynamic fractures, until very recently.
Lapusta, N., Rosakis, A. J., Rubino, V.
core  

Modeling the Stress Field in MSLA-Fabricated Photosensitive Resin Components: A Combined Experimental and Numerical Approach

open access: yesModelling
This study presents an experimental and numerical investigation into the stress field in cylinders manufactured from photosensitive resin using the Masked Stereolithography (MSLA) technique.
Geraldo Cesar Rosario de Oliveira   +4 more
doaj   +1 more source

The photoelasticity method in orthodontic research: a scope review [PDF]

open access: yesRGO: Revista Gaúcha de Odontologia
Objective To systematically map the research carried out in the area of Orthodontics with the application of the photoelasticity method Methods Studies reporting experiments that used the photoelasticity method as an instrument to assess stresses ...
Marcelo Piovesan Dessimoni   +5 more
doaj   +1 more source

Deep Learning Approaches for Classifying Crack States With Overload and Predicting Fatigue Parameters in a Titanium Alloy

open access: yesAdvanced Intelligent Systems, EarlyView.
This study proposes a deep learning approach to evaluate the fatigue crack behavior in metals under overload conditions. Using digital image correlation to capture the strain near crack tips, convolutional neural networks classify crack states as normal, overload, or recovery, and accurately predict fatigue parameters.
Seon Du Choi   +5 more
wiley   +1 more source

Photoelasticity of sodium silicate glass from first principles

open access: yes, 2004
Based on density-functional perturbation theory we have computed the photoelastic tensor of a model of sodium silicate glass of composition (Na$_2$O)$_{0.25}$(SiO$_2$)$_{0.75}$ (NS3).
D. Donadio   +8 more
core   +1 more source

Stress pattern generated by different post and core material combinations: A photoelastic study

open access: yesIndian Journal of Dental Research, 2013
Objective: To analyze the effect of different combinations of post and core materials on stress distribution in dentin of an endodontically treated tooth. Materials and Methods: This was an experimental stress analysis study.
Shaista Afroz   +3 more
doaj   +1 more source

Recent Advances in Stimulated Brillouin Scattering in Integrated Photonics

open access: yesAdvanced Physics Research, EarlyView.
This review systematically surveys recent advances in stimulated Brillouin scattering (SBS) within integrated photonics. It begins by elucidating the fundamental mechanisms of stimulated coupling between photons and acoustic phonons in nanoscale waveguides, enhanced by the photoelastic and moving boundary effects.
Songyue Liu   +8 more
wiley   +1 more source

Effect of Initial Granular Structure on the Evolution of Contact Force Chains

open access: yesApplied Sciences, 2019
The effect of initial granular structural conditions on load transmission patterns was experimentally investigated. Two types of granular structures were prepared by laminating cylindrical model particles of different diameters, to which photoelastic ...
Ka-Hyun Park   +2 more
doaj   +1 more source

Comparison of stress distribution around splinted and nonsplinted implants with different crown height space in posterior mandible: A finite element analysis study

open access: yesJournal of Prosthodontics, EarlyView.
Abstract Purpose The purpose of this finite element analysis (FEA) study was to analyze the stress distribution on prosthetic components of splinted and nonsplinted prostheses, bone, and implants with different crown height space (CHS). Materials and Methods Mandibular posterior segment was modeled with no resorption at the second premolar site and ...
Hamiyet Güngör Erdoğan   +2 more
wiley   +1 more source

Photoelastic force measurements in granular materials

open access: yes, 2016
Photoelastic techniques are used to make both qualitative and quantitative measurements of the forces within idealized granular materials. The method is based on placing a birefringent granular material between a pair of polarizing filters, so that each ...
Frocht M.   +7 more
core   +1 more source

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