Contents Part III: Model Tutorials | Chapter 3: Create an LS-DYNA Input Deck for an S-Rail Impacting a Rigidwall | Print page 3.2. Mesh SurfacesClick FEM > Element and Mesh > Auto Mesher.Enter Element size=6.Click Visible in the Gen select panel.Click Mesh.Click Accept.Click Done. « 3.1. Import IGES Geometry 3.3. Define Section Properties »