Contents Part III: Model Tutorials | Chapter 1: Create an LS-DYNA Input Deck for a Ball Impacting a Plate | Print page 1.2. Create the BallSelect Entity: Sphere_Solid.Enter Radius = 50 and enter density = 6.Enter Center x = 0, enter y = 0, and enter z = 51.Enter Target Name: ball.Click Create.Click Accept.Click Done. « 1.1. Create the Plate 1.3. Define Materials »