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# More on experiment

- To: femm@yahoogroups.com
- Subject: More on experiment
- From: "barryn56" <barry@collabrion.com>
- Date: Wed, 05 Mar 2003 04:57:55 -0000
- User-agent: eGroups-EW/0.82

    I am now trying to model the result of the field experiment with
    FEMM, but seem to be having some difficulties. The experiment was
    done by having a stationary 3-axis magnetometer inside a steel pipe
    and moving a magnet across and back on the outside.

    I thought I could model the expected normal and tangential response
    curves in FEMM by building a model with two identical magnets
    separated by some distance, and looking at a contour just inside the
    casing. However, the plots seem to be assymetrical. Any suggestions
    would be welcome as to why FEMM behaves this way.

    See file Casing.femm for the model.

    Thanks,

    Barry

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