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# Rif: [femm] Block of Iron

- To: femm@yahoogroups.com
- Subject: Rif: [femm] Block of Iron
- From: giovanni.bortolan@sogagroup.com
- Date: Wed, 8 Oct 2003 08:32:34 +0200

    Try with A=0.1 or less for left boundary.
    Actually you have set a too intense field. Remember that B=(A1-A0)/L and L
    is actually 0.07m (7cm).
    Bye
    _______________________________
    ing. G.Bortolan

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    Dilney
    <dilneyfej@yahoo Per: FEMM Groups <femm@yahoogroups.com>
    .com.br> Cc:
    Oggetto: [femm] Block of Iron
    07/10/2003 18:34
    Per favore,
    rispondere a
    femm

    Hi people,
    About the problem of a block of iron (M-19 steel) sitting in a magnetic
    field I have the following questions:
    1 - The magnitude of flux density |B| is very high; reaches 16.0 Teslas !
    Are B values given per unit depth ?
    2 - When I try to run FEMM using the non-linear B-H curve for the M19 steel
    in the block region, flux plot suggests high saturation, e.g., flux lines
    are away from right angle configuration at air-iron interface.
    3 - I am trying to compute force acting on straight lines (contour)
    parallel to the top of the block. I expect net force (Fy) to decrease
    (always ?) as contour moves away from top of block.
    Thanks for anybody's help.

    Dilney

    Dylto

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