Reply To: Do I need to set both surface contact and body interaction in workbench LS-DYNA?

[Armin]

Hi Tomas,

If you have already defined your contact pairs, it is good practice to disable the Body Interactions. 
You can check the knowledge material below for more information:

/knowledge/forums/topic/what-is-the-difference-between-body-interactions-and-contact-regions-in-an-explicit-dynamics-system/