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# Asymmetry in FEMM solution...

- To: femm@egroups.com
- Subject: Asymmetry in FEMM solution...
- From: "Boris A.Shumm" <bshumm@icp.ac.ru>
- Date: Wed, 11 Oct 2000 19:34:30 -0000
- User-agent: eGroups-EW/0.82

    Dear Dave and members of FEMM group,
    can anybody comment the fact, that the FEMM solution of axisymmetric
    problem for symmetric about z=0 plane currents and environment may be
    slightly asymmetric about the same plane. It may be seen for example
    in the simplest case of Helmholtz coils (profile of |B| along line
    near r,z=0 parallel to z-axis). This feature may baffle the attempt
    of calculation of systems with large area of homogeneous magnetic
    field (e.g. MRI magnets), where this asymmetry may exceed expected
    inhomogeneity. Is there any way to exclude this effect? Thanks.
    Yours
    Boris A.Shumm

    P.S. Somehow I can`t attach *.fem file to this message, how can I do
    this?

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