Modal Shape Visualization Employing FP + 2D-DIC and Phased-Based Motion Magnification

Recently, the combination of Fringe Projection (FP) and 2D Digital Image Correlation (2D-DIC) has become a low-cost alternative for measuring deformations even in dynamic events such as vibration testing. FP and DIC are displacement measurement techniques, so high frequency vibration tests associate...

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Main Authors: Manuel Pastor-Cintas, Luis Felipe-Sesé, Ángel Molina-Viedma, Elías López-Alba, Francisco Díaz-Garrido
Format: Article
Language:English
Published: MDPI AG 2022-08-01
Series:Physical Sciences Forum
Subjects:
Online Access:https://www.mdpi.com/2673-9984/4/1/14
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author Manuel Pastor-Cintas
Luis Felipe-Sesé
Ángel Molina-Viedma
Elías López-Alba
Francisco Díaz-Garrido
author_facet Manuel Pastor-Cintas
Luis Felipe-Sesé
Ángel Molina-Viedma
Elías López-Alba
Francisco Díaz-Garrido
author_sort Manuel Pastor-Cintas
collection DOAJ
description Recently, the combination of Fringe Projection (FP) and 2D Digital Image Correlation (2D-DIC) has become a low-cost alternative for measuring deformations even in dynamic events such as vibration testing. FP and DIC are displacement measurement techniques, so high frequency vibration tests associated with low levels of displacement suppose a challenge. By means of Phase-Based Motion Magnification algorithm (PBMM), the periodic displacement observed in an image sequence can be magnified. This makes it possible to measure clear displacement maps by FP + 2D-DIC even when subtle displacement occurs. This methodology allows a better interpretation of the vibration behavior of mechanical components. In this work, the behavior of a beam excited at its natural frequencies has been studied, showing the potential of PBMM and FP + 2D-DIC
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spelling doaj.art-04595a6ebcb4475db2bbcc447c4104ab2023-11-17T13:33:39ZengMDPI AGPhysical Sciences Forum2673-99842022-08-01411410.3390/psf2022004014Modal Shape Visualization Employing FP + 2D-DIC and Phased-Based Motion MagnificationManuel Pastor-Cintas0Luis Felipe-Sesé1Ángel Molina-Viedma2Elías López-Alba3Francisco Díaz-Garrido4Departamento de Ingeniería Mecánica y Minera, EPS Linares, Universidad de Jaén, 23700 Linares, SpainDepartamento de Ingeniería Mecánica y Minera, EPS Linares, Universidad de Jaén, 23700 Linares, SpainDepartamento de Ingeniería Mecánica y Minera, EPS Linares, Universidad de Jaén, 23700 Linares, SpainDepartamento de Ingeniería Mecánica y Minera, EPS Jaén, Universidad de Jaén, 23071 Jaen, SpainDepartamento de Ingeniería Mecánica y Minera, EPS Jaén, Universidad de Jaén, 23071 Jaen, SpainRecently, the combination of Fringe Projection (FP) and 2D Digital Image Correlation (2D-DIC) has become a low-cost alternative for measuring deformations even in dynamic events such as vibration testing. FP and DIC are displacement measurement techniques, so high frequency vibration tests associated with low levels of displacement suppose a challenge. By means of Phase-Based Motion Magnification algorithm (PBMM), the periodic displacement observed in an image sequence can be magnified. This makes it possible to measure clear displacement maps by FP + 2D-DIC even when subtle displacement occurs. This methodology allows a better interpretation of the vibration behavior of mechanical components. In this work, the behavior of a beam excited at its natural frequencies has been studied, showing the potential of PBMM and FP + 2D-DIChttps://www.mdpi.com/2673-9984/4/1/14Fringe Projectionhigh speed digital image correlationMotion Magnification
spellingShingle Manuel Pastor-Cintas
Luis Felipe-Sesé
Ángel Molina-Viedma
Elías López-Alba
Francisco Díaz-Garrido
Modal Shape Visualization Employing FP + 2D-DIC and Phased-Based Motion Magnification
Physical Sciences Forum
Fringe Projection
high speed digital image correlation
Motion Magnification
title Modal Shape Visualization Employing FP + 2D-DIC and Phased-Based Motion Magnification
title_full Modal Shape Visualization Employing FP + 2D-DIC and Phased-Based Motion Magnification
title_fullStr Modal Shape Visualization Employing FP + 2D-DIC and Phased-Based Motion Magnification
title_full_unstemmed Modal Shape Visualization Employing FP + 2D-DIC and Phased-Based Motion Magnification
title_short Modal Shape Visualization Employing FP + 2D-DIC and Phased-Based Motion Magnification
title_sort modal shape visualization employing fp 2d dic and phased based motion magnification
topic Fringe Projection
high speed digital image correlation
Motion Magnification
url https://www.mdpi.com/2673-9984/4/1/14
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AT eliaslopezalba modalshapevisualizationemployingfp2ddicandphasedbasedmotionmagnification
AT franciscodiazgarrido modalshapevisualizationemployingfp2ddicandphasedbasedmotionmagnification