Ground
The Ground node implements ground (zero potential) as the boundary condition V = 0.
Ground means that there is a zero potential on the boundary. This boundary condition is also applicable at symmetry boundaries where the potential is known to be antisymmetric with respect to the boundary.
For some physics interfaces, also select additional Ground nodes from the Edges (3D components) or Points (2D and 3D components) submenus. For 2D axisymmetric components, it can be applied on the Symmetry axis.
Boundary, Edge, or Point Selection
Beware that constraining the potential on edges or points in 3D or on points in 2D usually yields a current outflow that is mesh dependent.
Ground
Enter a value for the Contact work function Φc(SI unit: V). The default is 4 V.
Constraint Settings
To display this section, click the Show More Options button () and select Advanced Physics Options in the Show More Options dialog box.