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

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- Subject: Re: [FEMM] Need help in analytical fitting of steel B-H curve
- From: "Antonio F.R. Carabio" <ingacarabio@fibertel.com.ar>
- Date: Tue, 20 Apr 2004 21:58:29 -0300
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    Also you can get some information at

    http://electrica.frba.utn.edu.ar/circmagcc/index.html

    (in Spanish)

    Best regards

    Ing. Antonio F.R. CARABIO
    ingacarabio@fibertel.com.ar
    Jaramillo 1610. 6° B
    (1429) BUENOS AIRES
    4703-3242
    ----- Mensaje original -----
    De: "Chris Holt" <chris.c.holt@aeat.co.uk>
    Para: <femm@list.foster-miller.net>
    Enviado: martes, 20 de abril de 2004 4:53
    Asunto: Re: [FEMM] Need help in analytical fitting of steel B-H curve

    > 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&ou
    tput=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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- References:
  - Re: [FEMM] Need help in analytical fitting of steel B-H curve
    - From: "Chris Holt" <chris.c.holt@aeat.co.uk>

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