However, overall it was found that 2D DIC offers the same strain measurement accuracy as conventional strain gauges when used under ideal conditions.
This paper presents an alternative technique for measuring strain using digital images called Digital Image Correlation (DIC) that allows for the measurement of ...
Digital image correlation (DIC) offers an alternative to conventional strain gauges because a two-dimensional (2D) surface strain field can be obtained from a ...
This paper presents the results of an investigation into the optimum strain measurement accuracy that can be achieved by using the 2D technique on artificial ...
Digital image correlation (DIC) is an optical technique that combines image registration and tracking methods for accurate 2D measurements of changes in images.
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The accuracy of DIC strain measurements tends to be around 10% below 0.3% strain (3,000 µe), with higher accuracies near 1% above 3% strain (30,000 µe).
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Sep 9, 2019 · This paper intends to help preliminary researchers who are of interest in 2D-DIC algorithms to improve their understanding of this measurement technique.
Therefore, 2D-DIC is optimal for deformation tracking of planar specimens showing a small out-of-plane contraction under planar deformation, whereas 3D-DIC is ...
Texture and image quality had a significant impact on dynamic strain measurement accuracy, however, when these factors are optimized, near strain gage accuracy ...
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The optimized patterns are approximately 12% more accurate and precise than random patterns. Abstract. The accuracy and precision of digital image correlation ( ...