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# Re: calulation of the magnetic flux

- To: femm@yahoogroups.com
- Subject: Re: calulation of the magnetic flux
- From: "Michael Salloker" <michael.salloker@fh-joanneum.at>
- Date: Mon, 17 Mar 2003 08:36:37 -0000
- In-reply-to: <3E68AC63.7060302@ieee.org>
- User-agent: eGroups-EW/0.82

    Hello David,

    thank you for your reply, unfortunately we are talking (writing)
    about two differnt things - I think I was to unprecise in my first
    mail.

    What I want to calculate is the complete magnetic flux through a
    winding. Say I have a axisymmetric coil with a rectangular cross
    section and n windings, and I want to find out the complete flux
    through this coil, say e.g. for calculating the inductance by

    L = Psi / I.

    How can I get the result with FEMM?

    Michael.

    > It sounds like what you really want is the B.n line integral, which
    > gives you all of the flux passing through a surface. This
    works "right"
    > in the axisymmetric case, giving you the flux that passes through a
    > cylindrical shell defined by the revolution of the prescribed
    contour
    > about the r=0 axis.
    >
    > Dave.
    >
    > --
    > David Meeker
    > email: dmeeker@i...
    > www: http://femm.berlios.de/dmeeker

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