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A dual domain decomposition method for finite element digital image correlation

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Academic year: 2021

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Figure 1: Global image f and domain Ω decomposition in two subdomains Ω s and two subset images f s
Figure 2: A scheme highlighting the link between the proposed approach, the conventional FE-DIC strategy and piecewise constant Fourier based approach used for initialisation.
Figure 4: Example of a four point bending test: displacement solution in pixels (amplification factor 50):
Figure 5: Variation of the norm of the residual r i as a function of the iteration number i for the third correlation iteration k = 3 as a function of the choosen solver
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