Click Solve from the Setup tab:
In this analysis, we neglect cooling due forced or natural convection. The result is that temperatures will be predicted higher than they actually are. A more accurate approach would be to solve for the flow as well.
Questions about applying settings?
Click the Physics tab.
Flow = Off
Heat Transfer = On
Radiation = On
Click the Solar heating button.
Check Enable solar heating.
Pick a Country and City.
Set a Date and Time.
Note: The model is oriented so that the default setting of East direction corresponding to the Global X is appropriate. Change it if you wish.
Click OK.
Click the Control tab.
Iterations to run = 100
Click Solve to start the analysis.
As the mesh is created, informational messages are displayed in the Output Bar. After the mesh is completed, the analysis runs.