Use this node to add periodic temperature conditions to boundary pairs. The Destination Selection subnode is available from the context menu (right-click the parent node) or from the Physics toolbar, Attributes menu.

For information about the Orientation of Source section, see Orientation of Source and Destination.

Enter a Temperature offset ΔT to the temperature periodicity. The default value is 0 K, so that the source and destination temperatures are equal.

Physics Tab with interface as Heat Transfer in Solids or Heat Transfer in Fluids selected:
Boundaries>interface>Periodic Condition