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A new digital image correlation algorithm for whole-field displacement measurement

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dc.creator Su, C.
dc.creator Anand, Lallit
dc.date 2003-11-29T20:39:27Z
dc.date 2003-11-29T20:39:27Z
dc.date 2003-01
dc.date.accessioned 2013-10-09T02:32:20Z
dc.date.available 2013-10-09T02:32:20Z
dc.date.issued 2013-10-09
dc.identifier http://hdl.handle.net/1721.1/3749
dc.identifier.uri http://koha.mediu.edu.my:8181/xmlui/handle/1721
dc.description We have developed a new digital image correlation (DIC) algorithm for non-contact, two-dimensional, whole-field displacement and strain measurement. Relative to existing algorithms, our algorithm substantially reduces the calculation expense by using neighborhood information while processing the data to determine the displacement field in a sub-region of interest. The new algorithm also uses higher-order interpolations of the displacement field, allowing for better accuracy in estimating strain distributions when the deformation field is non-homogeneous. Numerically-generated digital images are used to show that the new algorithm accurately reproduces the imposed displacement fields. The algorithm is also tested on actual images from deformed specimens from a variety of experiments, and shown to perform satisfactorily.
dc.description Singapore-MIT Alliance (SMA)
dc.format 810978 bytes
dc.format application/pdf
dc.language en_US
dc.relation Innovation in Manufacturing Systems and Technology (IMST);
dc.subject experimental mechanics
dc.subject non-contact strain measurement
dc.subject mechanical testing
dc.title A new digital image correlation algorithm for whole-field displacement measurement
dc.type Article

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