The Override Coil Inlet/Outlet subnode is available at the domain level from the context menu (right-click the Coil parent node) or from the Physics toolbar, Attributes menu. This is an advanced feature, and is normally not required.

This feature is available if the Accurate coil voltage calculation functionality is enabled in the Stabilization section of the parent feature. This functionality performs a current filtering to improve the accuracy of the computed electric field and coil voltage in frequency domain. For this filtering to work properly, special conditions must be defined on the inlet/outlet boundaries, where the wire direction has a nonzero normal component. For Linear and Circular coils, the geometry analysis algorithm detects automatically these boundaries, but the Override Coil Inlet/Outlet feature can be used in case the detection fails. For Numeric coils, or when the Conductor model is Single conductor, the subnodes of the Geometry Analysis feature are used to identify the inlets/outlets. For User defined coils, the User Defined Coil Geometry can be used to select the inlets/outlets instead.