I'm trying to correlate experimental low cycle fatigue data with simulation but the stress-strain loop that i obtain is different from the experimental data even if i succes to fit the chaboche parameters using ansys.
Above is the fit.
I tried with a single cube (1mm x 1mm x 1mm) in order to get the stress and the strain using a sine function as load with a displacement magnitude of 0.01mm and R = -1 but the stress and strain are completely off.
Can anyone help please with the FEM model ?
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