I apologize for not responding earlier. Somehow missed the notification. Below are my comments to your question.
1. Unfortunately, we only support bonded contact right now.
2. You can simulate the screw with two opposite loads applied, but…"
Looking at the displacement for the violation of linear elasticity assumption can be misleading, as it measures the total deformation from the restraint. So a tiny deformation, for example, at the cantilever beam base, can lead to a large…"