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Experimental Mechanics

, Volume 55, Issue 6, pp 1105–1122 | Cite as

Ncorr: Open-Source 2D Digital Image Correlation Matlab Software

  • J. Blaber
  • B. Adair
  • A. Antoniou
Article

Abstract

Digital Image Correlation (DIC) is an important and widely used non-contact technique for measuring material deformation. Considerable progress has been made in recent decades in both developing new experimental DIC techniques and in enhancing the performance of the relevant computational algorithms. Despite this progress, there is a distinct lack of a freely available, high-quality, flexible DIC software. This paper documents a new DIC software package Ncorr that is meant to fill that crucial gap. Ncorr is an open-source subset-based 2D DIC package that amalgamates modern DIC algorithms proposed in the literature with additional enhancements. Several applications of Ncorr that both validate it and showcase its capabilities are discussed.

Keywords

Digital image correlation Large deformation Complex ROI Nickel superalloy Crack 

Notes

Acknowledgments

This work has been partially supported by the National Science Foundation (NSF) Graduate Research Fellowship under Grant No. DGE-1148903 and an NSF CAREER Grant No. CMMI-1351705. The fracture toughness test described in this paper was performed at the Mechanical Properties Research Lab at Georgia Tech.

Supplementary material

11340_2015_9_MOESM1_ESM.pdf (4.9 mb)
ESM 1 (PDF 5055 kb)

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Copyright information

© Society for Experimental Mechanics 2015

Authors and Affiliations

  1. 1.The Woodruff School of Mechanical EngineeringAtlantaUSA

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