Internal heat generation loads are inserted and scoped to reinforced bodies representing the embedded copper traces and vias. Convection boundary conditions are applied on the top and bottom faces of the PCB. The applied loads and boundary conditions make use of previously defined Named Selections, as shown in the figure:

Figure 59.6: Details for Applying Thermal Load and Boundary Conditions

To constrain the ends of the PCB, displacement boundary conditions are scoped to the geometry using the Bottom_Faces and Top_Faces named selections. All displacement degrees of freedom are constrained.

Figure 59.7: Structural Analysis Boundary Conditions

By default, Imported Body Temperature is scoped to all bodies. However, Imported Body Temperature does not support reinforced bodies and is therefore initially in an undefined state. The scoping is manually changed to use the Solid_Bodies named selection so that imported temperatures are applied only to solid bodies.

In the solved static structural analysis, the imported load should show the same distribution as seen in the temperature result of the steady-state thermal analysis.