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# [femm] Femmview plots

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- Subject: [femm] Femmview plots
- From: istokesrees@tssuk.co.uk
- Date: Fri, 26 Nov 1999 06:02:54 -0800
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    I should preface this in saying that I am _not_ particularly
    knowledable concerning EM fields, so please feel free to correct me!

    After creating an axisymetric model of a single conductor current loop,
    femmview shows the contour lines radiating outwards in the plane of the
    loop, but the flux density |B| (the coloured plot) radiates along the
    axis, rather than the current loop plane.

    What do the contour lines represent?

    Why does it appear that one "field strength" is maximal along r (the
    plane of the current loop) and one is maximal along z (the axis of
    rotation)?

    Does this have to do with the summation of the field strengths along
    the axis?

    I had this "feeling" that there was a null field line along the axis of
    rotation, but now I am doubting that. Can someone please clarify? Is
    there any flux along the axis of a circular symetric system?

    Thanks,

    Ian.

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