Verification of Finite Element Model of Deformation of Laboratory Sample for Mechanical Tests by Method of Digital Images Correlation

  • E. V. ZenkovEmail author
  • L. B. Tsvik
Conference paper
Part of the Lecture Notes in Mechanical Engineering book series (LNME)


The paper deals with the experimental-calculated analysis of the deformed state of a prismatic-type sample for mechanical laboratory tests, which is designed to evaluate the strength of a material under a biaxial stress state. A description of the deformation scheme of this sample is given. The distribution of deformation fields of the prismatic sample surface studied is obtained by processing the speckle images of the onboard experiment by the method of correlation of digital images in the Vic-3D system, at the stage of elastic deformation. Their comparison with the results of numerical simulation by the finite element method at control points of the surface of the deformed sample is performed. The discrepancy between the results of the full-scale experiment and the given numerical simulation at the control points did not exceed 14%. Conclusions are formulated for the subsequent use of the results obtained.


Prismatic sample Digital image correlation Biaxial stretching Finite element method Strain state 


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© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.Irkutsk National Research Technical UniversityIrkutskRussia
  2. 2.Irkutsk State University of Railway TransportIrkutskRussia

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