Field
Use the Field node () to set the default scaling for a dependent variable. Right-click the Study/Solver Defaults node to add this node.
The Settings window has the following sections:
General
In the Dependent variable reference and Physical quantity lists, you specify what dependent variable to change the scaling for. See Dependent Variable Declaration for the settings information.
Scaling
Set the scaling method in the Method list.
See Dependent Variables in the COMSOL Multiphysics Reference Manual for more about scaling.