Adding a FEM Modal Source

Apply a FEM modal source to a finite element method (FEM) modal port.

Note: A FEM modal source excites the associated long-guided wave structure of the FEM modal port with the fundamental mode.
Important: When no source is defined, the modal port acts as a passive port (sink) for fields incident on the port.
  1. On the Source/Load tab, in the Sources on ports group, click the  FEM modal source icon.

    Figure 1. The Add FEM modal source dialog.
  2. In the Port field, from the drop-down list, select a port.
  3. In the Magnitude field, specify the magnitude of the fundamental mode.
  4. In the Phase field, specify the phase of the fundamental mode.
  5. In the Label field, add a unique label for the FEM modal source.
  6. Click the Create button to create the FEM modal source and to close the dialog.