Query on Equivalent Stress at node shared by two parts

Hi,
I have a model with two parts. These two parts are combined and made as one part using “Form New part” in design modeler (means two parts have shared nodes). Two different type of materials are assigned to parts.
Equivalent stress at shared nodes from Pyansys is not same as from Ansys Mechanical. I got Equivalent stress from Pyansys using operator “dpf.operators.result.stress_von_mises()” . I have exported results from Mechanical using following method.
Please help in understanding the reason for getting two different results and also with the way to correct it.


Start by comparing the shared-node model setup, the dpf.operators.result.stress_von_mises() result, and the equivalent-stress values exported from Ansys Mechanical. No repository file, test, or entry point is identified in the issue; done means explaining the discrepancy and documenting or confirming the correction for this two-material, shared-node case.

Written by the indexing model from the issue text.