Abstract
The finite strain measurement based on the image analysis is suggested by using the Natural Strain theory in this paper. The effectiveness of this method is verified by comparing the image analysis with the conventional method based on the displacement meter and the validity of this method has been examined for uni-axial tension and simple shear. However, these experiments were limited to whole uniform deformation range and the local deformation has not been examined yet. So, in the previous report, the large uni-axial tension arising the local deformation was treated and the effectiveness was verified in the range of more large deformation. In this paper, the simple shear, which the large rigid body rotation occurs, is investigated and the experimental results based on the image analysis are compared with the results based on the displacement meter.
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