Re: [FEMM] Need help in analytical fitting of steel B-H curve

[Tsarafidy RAMINOSOA <tsarafidy@xxxxxxxx>]

Hello Chris,

Thanks for your reply. I plan to try this way.
But Could you tell me more about this factor on the
exponential term ?
Regards !

Tsarafidy.

 --- Chris Holt <chris.c.holt@xxxxxxxxxx> a écrit : >
One approach is an exponential function like that
> described in Paul Victor Birke's 1998 post to
> sci.physics.electromag, which can be seen at
>
http://groups.google.com/groups?selm=364EE79A.F279CFE%40home.com&oe=UTF-8&output=gplain
> 
> I've also tried this approach with a further factor
> on the
> exponential term and have obtained some reasonable-
> looking B-H curves.
> 
> Chris
> 
> > I'm searching for an analytical form of a function
> > with known derivative, other than piecewise
> > polynomial, fitting B-H curve of a given steel.
> > Any paper or advice about this will be
> appreciated.
> >
> > Thanks in advance.
> 
> > Tsarafidy.
> 
> 
> 
>
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