We can calculate the total heat flow from the chip to the board.
Right-click 1 < Board:1 > under Parts in the browser and deactivate the Visibility option.
Click Results Contours Heat Flow Heat Rate Through Face.
Click Results Contours Settings Smooth Results to deactivate this option. Smoothing must be turned off to inquire on the results of face- or element-based results.
Click View Navigate Orientation Bottom View. The model displays as shown in the following image.
With the Selection Shape Point or Rectangle and Selection Select Surfaces commands active, click the bottom of the chip.
Click Results Inquire Inquire Current Results.
Select the Sum option in the Summary drop-down list. The total heat flow of approximately 1.03E-3 displays.