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# RE: [FEMM] modeling coils???

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- Subject: RE: [FEMM] modeling coils???
- From: "Alexandru ANDREI" <andreial@home.ro>
- Date: Mon, 29 Mar 2004 11:25:20 +0300
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    You have no source for your magnetic field. Probably it is a current that is
    passing through you cooper zones. Look to the attachement for example

    -----------------------------------------------------------------
    Alexandru ANDREI
    andreial@home.ro
    -----------------------------------------------------------------

    -----Original Message-----
    From: femm-bounces@list.foster-miller.net
    [mailto:femm-bounces@list.foster-miller.net] On Behalf Of Jeff Peery
    Sent: 26 martie 2004 20:08
    To: femm@list.foster-miller.net
    Subject: [FEMM] modeling coils???

    Hello, I am new to using FEMM and to electro magnetism - I'm a mechanical
    engineer fresh out of Univ. or Washington!  I have a new job and I'm jumping
    right into this stuff.  I'm looking at modeling the field that results from
    a magnetric flow meter.  I am pretty much following example 2 from the FEMM
    website; however the example shows a transverse slice of the inductor and I
    want to model a axial slice so I am confused about how to do this.  I
    attached my current FEMM file.

    basicallly I have a simple inductor and I want to know what the mag lines
    look like.  I setup the geometry, meshed it, applied material properties,
    and a boundary condition and ran the solution.  the results don't look
    right. My confusion is that the flux lines should parrallel the inductor,
    but instead they radiate from the inductor ( in a circular fashion with the
    inductor at the center). so how does FEMM know how my coils are oriented?
    >From the results it looks as thought FEMM thinks I have a transverse slice
    of my inductor, however what I want to model is an axial slice.

    Can anyone offer some advice? thanks!

    Jeff

`<<attachment: winmail.dat>>`

- References:
  - [FEMM] modeling coils???
    - From: Jeff Peery <jeffpeery@yahoo.com>

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