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Prikladnaya Mekhanika i Tekhnicheskaya Fizika, 2017, Volume 58, Issue 3, Pages 57–67
DOI: https://doi.org/10.15372/PMTF20170307 (Mi pmtf703) 		 
This article is cited in 4 scientific papers (total in 4 papers)

Effect of the grid step of the vector displacement field on the strain estimate in the digital image correlation method

S. V. Paninab, V. V. Titkova, P. S. Lyubutinab

a Institute of Strength Physics and Material Science, Siberian Branch, Russian Academy of Sciences, Tomsk, 634055, Russia
b National Research Tomsk Polytechnical University, Tomsk, 634050, Russia
Full-text PDF (499 kB) Citations (4)
DOI: https://doi.org/10.15372/PMTF20170307
Abstract: The influence of the grid step of the displacement vector field on the strain estimate in the digital image correlation method is considered. The reasons for the emergence and the magnitude of the strain estimate error in processing optical images of material surfaces with different textures are analyzed. The dependence of the grid step for strain estimation on the magnitude of displacements and also on the presence and size of the discontinuity region in the strain field is studied. An adapted algorithm for choosing the grid step is proposed, which allows the strain calculation error to be reduced by a factor of 1.9 with simultaneous reduction of computational expenses by a factor of 2.1.
Keywords: displacement vector field, grid step, digital image correlation, strain error estimate, texture, Gaussian noise.
Funding agency Grant number
Russian Foundation for Basic Research 16-38-00526
Ministry of Education and Science of the Russian Federation СП-1529.2015.5
Received: 28.01.2016
Revised: 10.06.2016
English version:
Journal of Applied Mechanics and Technical Physics, 2017, Volume 58, Issue 3, Pages 425–434
DOI: https://doi.org/10.1134/S0021894417030075
Bibliographic databases:
Document Type: Article
UDC: 681.3
Language: Russian
Citation: S. V. Panin, V. V. Titkov, P. S. Lyubutin, “Effect of the grid step of the vector displacement field on the strain estimate in the digital image correlation method”, Prikl. Mekh. Tekh. Fiz., 58:3 (2017), 57–67; J. Appl. Mech. Tech. Phys., 58:3 (2017), 425–434
Citation in format AMSBIB
\Bibitem{PanTitLyu17}
\by S.~V.~Panin, V.~V.~Titkov, P.~S.~Lyubutin
\paper Effect of the grid step of the vector displacement field on the strain estimate in the digital image correlation method
\jour Prikl. Mekh. Tekh. Fiz.
\yr 2017
\vol 58
\issue 3
\pages 57--67
\mathnet{http://mi.mathnet.ru/pmtf703}
\crossref{https://doi.org/10.15372/PMTF20170307}
\elib{https://elibrary.ru/item.asp?id=29424050}
\transl
\jour J. Appl. Mech. Tech. Phys.
\yr 2017
\vol 58
\issue 3
\pages 425--434
\crossref{https://doi.org/10.1134/S0021894417030075}
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  • https://www.mathnet.ru/eng/pmtf/v58/i3/p57
    • This publication is cited in the following 4 articles:
    Citing articles in Google Scholar: Russian citations, English citations
    Related articles in Google Scholar: Russian articles, English articles
    		Prikladnaya Mekhanika i Tekhnicheskaya Fizika Prikladnaya Mekhanika i Tekhnicheskaya Fizika
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