Editing Shell Thickness The program automatically defines a shell for the surface geometry. You edit the thickness of shell. To edit shell thickness: In the Simulation study tree, right-click the Shell icon and select Edit Definition. In the PropertyManager: Make sure that Type is set to Thin. Set Unit to m then type 0.01 for Shell thickness . Click . Parent topicGeometrically Nonlinear Analysis of a Plate Previous topic Opening the Model and Creating a Nonlinear Study Next topic Setting the Properties of the Nonlinear Study