Prescribed Chemical Potential
The Prescribed Chemical Potential node adds a Dirichlet boundary condition where the chemical potential is prescribed. Only boundaries adjacent to domains where a Chemical Potential node has been assigned are allowed.
Prescribed Chemical Potential
Individually specify the value of the chemical potential for each species. Select the checkbox for the Species to specify its value, and then enter a value or expression in the corresponding field.
Constraint Settings
To display this section, click the Show More Options button () and select Advanced Physics Options in the Show More Options dialog.
In the COMSOL Multiphysics Reference Manual:
Location in User Interface
Context Menus
Ribbon
Physics tab with Transport in Solids selected: