I am modeling a masonry wall in LS DYNA, which has multiple interfaces in between. To simulate the interface between blocks I use the TieBreak contact, which requires normal and tangential strengths and stiffnesses. The normal properties are defined to model the tensile behavior, however, I do not know how to assign a compressive behavior for this contact.

For instance, I modeled two steel plates with TieBreak contact in between, when I applied compressive force on the upper plate it started to penetrate the lower plate, which is not reasonable.

How can I avoid penetration in this contact?