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# h.t integrals around a closed loop

- To: femm@yahoogroups.com
- Subject: h.t integrals around a closed loop
- From: "cambo24680" <cambo24680@yahoo.co.uk>
- Date: Wed, 09 Oct 2002 15:09:29 -0000
- User-agent: eGroups-EW/0.82

    Hi

    I am new to FEMM and have created a design that is basically a ring
    of iron with an air gap in it and with one section of the iron being
    replace by a piece of magnetic material. If i do a line integral of
    h.t around a closed contour through this loop the answer should be
    zero but when i do in fact do this using femm i get a non zero answer.

    I have done a similar integral around a torus of magnetic material
    with an air gap in it and again the integral does not equal zero, why
    is this?

    i do not understand how to attach files to this e-mail so i have
    uploaded a file called ring2 with the design in. if anybody can tell
    me the best way to show you guys the deign i would be grateful.

    adam

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