Hello @Vlad979150
I was personnaly not aware of the terminology "Concrete", but if my understanding is correct, you ar trying to configure a composite material composed of fine and coarse aggregate bonded together with a fluid cement (cement paste) that hardens (cures) over time.
If you confirm this understanding:
- "Concrete"materials are currently not supported in Creo Simulate
- But you may find useful techniques to neverthless probably achieve this purpose in article 95793. From this article, there is 2 links on Suggested Techniques. Please consider that they are a bit old, so that pages do not render properly. But if you scroll down the pages, you'll find the kind of information you're hopefully looking for.
Hope this helps as next step,
Regards,
Serge