A EmagTimeHarmonicFrequency is an object used to define frequency over range of modes.
import step mdb.models[name].steps[name].frequencyRange[i]
The EmagTimeHarmonicFrequency object has the following members:
A Float specifying the lower limit of frequency range or a single frequency, in cycles/time.
A Float specifying the upper limit of frequency range, in cycles/time.
An Int specifying the number of points in the frequency range at which results should be given.