The use of a lock-in amplifier to apply digital image correlation to cyclically loaded components

An approach for processing strain data obtained from Digital Image Correlation (DIC) that can be used directly on components subject to cyclic loading, such as in fatigue testing, is described. A key challenge addressed herein is obtaining an accurate and precise surface strain map without recourse...

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Bibliographic Details
Main Authors: Fruehmann, R.K (Author), Dulieu-Barton, J.M (Author), Quinn, S. (Author), Tyler, J.P (Author)
Format: Article
Language:English
Published: 2015-05.
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