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One of the experimental methods of stress analysis is the photoelastic method. In this method, by shining light on polarizing filters and passing this light through a sample of samples with the desired geometry that have been loaded, the stress and strain analyzer screen can be used. Observed the main cells and observed the location of the highest values ​​of stress, which became colored lines. The light reflected on the filters can be ultraviolet or monochromic light, in which case the stress distribution can be seen as colored and black and white lines.