A mesh can be created on 2D/3D geometries, and for detailed analysis, creating a good mesh would ensure stable performance. This webinar shows the modeling process for creating geometries as well as creating mesh on the bodies created/imported. The presenter would also touch upon some meshing tips for models involving complex geometries containing different materials. You can also look into webinar: simulating contact, concrete cracking, and tendon behavior in PT members for more details on how to simulate contact and material non-linearity.