Estimation of the Deformation Gradient Tensor by Particle Tracking Near a Free Boundary with Quantified Error
T. Benkley,
C. Li,
J. Kolinski
Abstract:Background
Obtaining accurate displacement measurements for large material deformation and/or rotation presents a distinct challenge to digital image correlation (DIC) due to cumulative and decorrelation errors, particularly near material boundaries.
Objective
We aim to accurately measure the deformation gradient tensor near boundary discontinuities in situations of large deformation and large deformation gradients.
Methods
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