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dc.creatorBraga Júnior, Roberto Alves-
dc.creatorMagalhães, Ricardo Rodrigues-
dc.creatorMelo, Rafael Pego-
dc.creatorGomes, Joao Vitor-
dc.date.accessioned2020-10-21T18:31:19Z-
dc.date.available2020-10-21T18:31:19Z-
dc.date.issued2015-07-
dc.identifier.citationBRAGA JÚNIOR, R. A. et al. Maps of deformations in a cantilever beam using particle image velocimetry (PIV) and speckle patterns. Revista Escola de Minas, Ouro Preto, v. 68, n. 3, p. 273-278, jul./sept. 2015.pt_BR
dc.identifier.urihttp://repositorio.ufla.br/jspui/handle/1/43520-
dc.description.abstractPIV (particle image velocimetry) has been spreading in studies that use the movement of particles to monitor the displacement of an object or the flow of a fluid by means of velocity vectors using optical techniques and second order statistics. PIV is also known as laser speckle velocimetry when associated with speckle patterns. This technique has been used in works involving fluids, in general, building a map of velocity vectors representing the flow under analysis. This paper presents an approach by using PIV associated to speckle patterns for deformation measurements in a cantilever beam (ASTM A36 steel), one of the most common examples used in civil engineering, without the introduction of external particles. Results showed that the difference between PIV associated to speckle patterns and the analytic displacement values is increased along the beam length for a load of 1.96 N as an evidence of sensitivity of the proposed measurement method. This indicates that PIV is also capable for detecting displacement fields associated with laser speckle patterns in solid mechanics generating a map of deformation as an additional option for non-destructive tests.pt_BR
dc.languageen_USpt_BR
dc.publisherEscola de Minaspt_BR
dc.rightsAttribution 4.0 International*
dc.rightsacesso abertopt_BR
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.sourceRevista Escola de Minaspt_BR
dc.subjectParticle image velocimetrypt_BR
dc.subjectDisplacement vectorspt_BR
dc.subjectSolid mechanicspt_BR
dc.subjectMeasurement techniquespt_BR
dc.subjectVelocimetria de imagem de partículapt_BR
dc.subjectVetores de deslocamentopt_BR
dc.subjectMecânica sólidapt_BR
dc.subjectTécnicas de mediçãopt_BR
dc.titleMaps of deformations in a cantilever beam using particle image velocimetry (PIV) and speckle patternspt_BR
dc.typeArtigopt_BR
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