linear analysis. shape contact?

[folle76]

Hello.
I attach two images to show what I want to analyze. bearing system + 2 semi-tastes + cod. the material is linear. I set a symmetry plan to analyze half system (red in the photo) and left play between the stem of the cod and the two semi-tastes. everything else is in contact and becomes contact region. what parameters can I use to shape contact?
I hope I have put the question in the best possible way and thank all those who will have the kindness to answer me. Say hi.

 

[stefano.garbin]

What do you want to simulate?
depending on what you want to see change modeling strategies.

 

[folle76]

at the base of the cod is applied a load of 2,5 tons. and the bottom of the bearing is bound to the ground. I am interested in analyzing the tensional state of the semiguscio and the cod. I know already that we are in the field of small shifts and that, unless contact tensions, we do not exceed the yield.
Thank you for your help.