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# Re: [femm] Axi-symmetric arcs for FEMMVIEW

- To: femm@yahoogroups.com
- Subject: Re: [femm] Axi-symmetric arcs for FEMMVIEW
- From: Keith Gregory <k.gregory@lboro.ac.uk>
- Date: Tue, 21 May 2002 07:58:20 +0100
- In-reply-to: <20020521042105992.AAA1848@iximail2.plix.com@[64.85.14.5]>

`Daves,`
`Great minds? I've been trying to write a lua script to make circular contours using little straight line segments. It looks like it might be possible but it's not that easy. I want it for a different reason though, because I want to find the total flux crossing an arbitrary circular arc where it is not possible to include an arc in the geometry.`
`Keith.`
`At 04:30 21/05/2002 +0000, you wrote:`

>     Dave,
>     I was wondering if you could add the arc function
>     to FEMMVIEW like you have in FEMM so that it makes
>     it easy to make a circular contour for torque integration
>     of force. It is a real pain to have to zoom in and
>     put short straight line segments to enclose a rotor
>     with a contour to measure torque.

>     How come you didn't put that function in FEMMVIEW
>     in the first place? Or did I miss something?
>     This would speed up torque measurements an order
>     of magnitude. I could put in two data points for
>     a 180 degree arc and presto the contour is done.
>     It would guarantee closure of the contour.
>     It would also simplfy LUA scripting
>     for the same sort of scenario.

>     Regards,
>     Dave
>     Squires

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    Dr. Keith Gregory
    Senior Lecturer
    Department of Electronic & Electrical Engineering
    Loughborough University
    Loughborough
    Leicestershire
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``

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