How is resulting initial contact stiffness calculated in Ansys workbench?

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Karthigeyan . S

The initial contact stiffness is depends on the surface roughness and normal stress at the contact point. I suggest you to read ANSYS manual for knowing better..all the best in your work..

Azher Jameel

The papers published by A. R. Khoei on frictional contact will be helpful in this context.