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

- To: femm@yahoogroups.com
- Subject: Re: [femm] Axi-symmetric arcs for FEMMVIEW
- From: David Meeker <dmeeker@ieee.org>
- Date: Tue, 21 May 2002 10:06:32 -0400
- References: <5.1.0.14.0.20020521075228.00a9ea20@staff-mailin.lboro.ac.uk>
- User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.0rc2) Gecko/20020510

`Keith Gregory wrote:`

> `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 probably should put in this functionality, since it would basically be just implementing the code to make a circular contour out of little straight line segments, rather than making users do it themselves via lua. Call me lazy.`

>     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.`

`
Regardless of the contour, the B.n integral is evaluated by taking the difference of the value of A at the endpoints of the contour. If I understand what you are trying to do correctly, there's no need for you to actually draw your arc--just evaluate A at the endponts and take the difference to get the total flux crossing your arc.`

    Dave.
    --
    David Meeker <http://femm.berlios.de/dmeeker>

``

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  - Re: [femm] Axi-symmetric arcs for FEMMVIEW
    - From: Keith Gregory <k.gregory@lboro.ac.uk>

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