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Proceedings 2018, 2(8), 458; https://doi.org/10.3390/ICEM18-05366

Dynamic Displacements Measurement Employing Fringe Projection and Digital Image Correlation

1
Departamento de Ingeniería Mecánica y Minera, Campus Científico Tecnológico de Linares, Universidad de Jaén, 23700 Linares, Spain
2
Departamento de Ingeniería Mecánica y Minera, Campus Las Lagunillas Universidad de Jaén, 23071 Jaén, Spain
Presented at the 18th International Conference on Experimental Mechanics (ICEM18), Brussels, Belgium, 1–5 July 2018.
*
Author to whom correspondence should be addressed.
Published: 18 June 2018
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Abstract

A combination of Fringe Projection (FP) and 2D Digital Image Correlation (2D DIC) using a single camera has been employed to simultaneously measure in-plane and out-of-plane displacements during different dynamic events such an impact and a vibration analysis. This approach has been adopted in the past by several authors, including Mares et al. who highlighted that if a telecentric lens are not employed the combination of both techniques is not straightforward since the in–plane displacements measured with 2D DIC are sensitive to the out-of-plane displacements. Thus, in-plane displacements measured using 2D DIC should be corrected using the out-of-plane displacements inferred using the FP technique. In the current work, an easy method for in-plane displacement correction using Fringe Projection is adopted when measuring the 3D displacements during an impact on an aluminum plate and the vibration of a composite component which have not been studied by other authors previously.
Keywords: digital image correlation; Fringe Projection; dynamic displacement measurements digital image correlation; Fringe Projection; dynamic displacement measurements
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Felipe-Sesé, L.; Molina-Viedma, Á.; López-Alba, E.; Díaz, F. Dynamic Displacements Measurement Employing Fringe Projection and Digital Image Correlation. Proceedings 2018, 2, 458.

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