Before applying Constraints and Loads on elements, define the type of material and assign properties to the elements.
Selection of Material
Select (Create Material Property) icon from Properties Menu bar.
Define the Material Name as STEEL,
Material ID can be left as 1,
Select Isotropic type from the drop down list,
Define Young’s modulus as 207000,
Define Poisson’s ratio as 0.28,
Define Density as 7.8e-9 and leave other fields as it is.
Select (Define 3D Element Properties) icon from the Properties Menu bar.
Set PID as 1 in the Define Volume Element window as shown below.
Select the Part as EXTRUDED.
Select Material as STEEL.