Shown in the figure below are the strain gage measurements of the notch root str

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Shown in the figure below are the strain gage measurements of the notch root strain. epsilon, for the notched bar under various bending moments. How well does the Neuber relationship predict the notch root behavior for this case? The material properties are E = 205 GPa Sy = 380 Mpa K = 1480 MPa n = 0.256 The stress concentration factor, K for the geometry is 1.6. The nominal stress is found using where M is the bending moment and d = 40 mm. Discuss how the error of the Neuber analysis would affect life calculations. (Data taken from Ref. 21.)

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