Assigning Driven Modal Solution Excitations in the GUI

Excitations are assigned to 2D object in an HFSS model or on the surfaces of 3D objects. You can assign appropriate excitations on a design based on the solution type. The steps for assigning wave ports for a driven modal project are shown below.

Wave Port assignment for a modal project

To assign an excitation to a 2D object or 3D face, press F to enter face selection mode and select the appropriate 2D object or 3D face. Multiple faces can be selected if a common excitation is to be applied to them. Once all the desired faces have been selected, right-click and go to select Assign Excitation and click the desired excitation from the submenu. Alternatively, select all the faces and click the HFSS menu item on the menu bar near the top, and go to Excitations > Assign > and click the desired excitation on the submenu.

A user should ensure that the port area is of the proper dimension. For reference, see the section on ports. While it is not necessary to create an integration line when creating a wave port, it is good modeling practice and is, therefore, strongly encouraged.