Automated fringe pattern analysis for moiré interferometry |
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| Authors: | C Y Poon M Kujawinska C Ruiz |
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| Institution: | (1) Department of Engineering Science, Oxford University, Parks Road, OX1 3PJ, UK;(2) Department of Precision Mechanics, Warsaw University of Technology, 8 Chodkiewicza Street, 02-525 Warsaw, Poland;(3) Department of Engineering, Oxford University, USA |
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| Abstract: | The theory of an automated fringe-pattern analysis using temporal phase stepping method for moiré interferometry is presented.
The automated method provides a fast and accurate strain measurement for moiré interferometry. Measurements on a tapered composite
specimen with a dropped ply are shown to highlight the capability of this technique to obtain the strain distribution, particularly
around the region with a dropped ply. |
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