Matrix Resistance

To compute the resistance, the simulator calculates the ohmic loss, P, after a field solution has been computed:

The ohmic loss is related to the resistance by

The resistance is therefore

The system assumes that the object for which impedance is being computed has a peak current of one ampere per coil turn flowing through it. Therefore, the resistance is 2P.

Note that the resistance for an eddy current problem will be higher than the equivalent DC resistance, due to the skin concentration of currents.