How would I calculate the saturation current of a inductor? I know the
formula probably needs to account for wire diameter, turns, turn
spacing and core permeability. Also, is there a formula for inductance
vs current so I could chart the inductance knee?

The reason I'm asking is because I'm working with a shorted RLC model,
but the model I'm using doesn't take into account the inductor
saturating.

Unfortunately, google and wikipedia haven't done me any good with this
problem, and I don't have any relevant text books (or know which ones
to look in).
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