How to perform simulations in abaqus with the neper generated tessalation

[ap264]

Hi

I have generated a tessellation using the neper software. It is a fairly small model with s4R mesh elements. I have exported the tessellation to Abaqus to perform FEA simulations on it. Currently, I am trying to compress the model with rigid plates with the top plate moving and the bottom static.

I am fairly new to this concept of performing simulations on the tessellation model and was wondering if I could get some assistance or advice from this community. Namely, what and how to use interactions, profile section etc. Below is the image of the whole model

I understand this is not the right place to post this discussion but I am just reaching out to every possiblity since there is so little documentation online regarding this matter.

Thank you