Right-click a Periodic Condition node to add the Destination Selection subnode and to change the selection for the destination. This is the selection that COMSOL Multiphysics makes appear as the default selection in the Selection list (as Explicit 1, for example).
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The software usually automatically identifies the boundaries as either source boundaries or destination boundaries. By default it contains the selection that COMSOL Multiphysics identifies. A “read only” Explicit selection node (
 ) (found in the Model Builder under Component>Definitions) shows the selected destination boundaries. |
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For information about the Orientation of Destination section, see Orientation of Source and Destination.