Hello Sahil,The S-N curve of a material plays a critical role when analyzing any geometry with the respective material.So if you are able to generate the s-n curve data by physical testing or through data books, that would be helpful.Please check the following videos which are helpful in approaching the fatigue problem in Ansys - ANSYS Student: Fatigue Analysis of a Formula SAE Hub - YouTube A Look at the Ansys Mechanical Fatigue Module | Ansys Tutorials - YouTube6.1. How Fatigue Is Calculated (ansys.com)
Would you please help with the details on the approach and any relation of hardness distribution with the fatigue properties of the material more in-depth? So I'll be able to help resolve the fatigue problem with ease
Hope this helps!
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