so, a problem (I think easy) that I can't resolve!
In the case of 2 parts defined by different mechanics properties. I'd like to make just one part with them. I have my 2 parts, defined by the 2 materials. In the "assembly", I create 2 instances and in the interaction, I create contraint type "tie". But when I apply the job, here is the error :" 500 elements have missing property definitions. The elements have been identified in element set ErrElemMissingSection." The 2 section are assigned, so I don't understand what's happens.