Assigning a Current Density Excitation for the 2D Eddy Current Solver

This command specifies the applicable component (depending on XY or RZ solution type) of the AC current density. If the current density is a function of position, the value is entered in ampere/m2, even if you change the units in the problem.

To define the current density:

  1. Select the section of the geometry (for example, the conductor) in which you want to apply the excitation (typically a 2D object).
  2. Click Maxwell 2D > Excitations > Assign > Current Density.
    The Current Density Excitation dialog box appears.
  3. Enter a name for the excitation in the Name box, or accept the default.
  4. In the Parameters section, specify the following options:
    1. Enter the current strength in the Value box. The value may be a single numeric value or a spatial function.
    2. If the value is specified as a spatial function, select the Coordinate System from the drop-down menu.
    3. Enter the phase angle, q, of the current density in the Phase field, and select a unit from the drop-down menu.
  5. Optionally, click Use Defaults to revert to the default values in the dialog box.
  6. Click OK to assign the excitation to the selected object.