FEM CompEmConstraints

Description
FEM CompEmConstraints is an icon button in the FEM Constraints toolbar that groups electromagnetic constraints. Click on the down arrow to its right to expand the icons below it and select a tool.

Types
At the moment you can choose between two constraints functions:
 * [[Image:FEM_ConstraintElectrostaticPotential.svg|24px]] Constraint electrostatic potential: Used to define electrostatic potential.
 * [[Image:FEM_ConstraintCurrentDensity.svg|24px]] Constraint current density: Used to define a current density.

Usage
To create a function, use the toolbar button or  (whatever is currently visible). Note the small triangle besides it allowing you to choose the function type. Alternatively use the menu.