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# Re: [femm] FEMM "batch processing"

- To: femm@yahoogroups.com
- Subject: Re: [femm] FEMM "batch processing"
- From: Petr Krc <pekr@magneton.cz>
- Date: Fri, 27 Apr 2001 17:57:11 +0100
- Organization: MAGNETON a.s.
- References: <9c4i5a+s9rs@eGroups.com> <OE281TbdkSmLAztxc1o000050aa@hotmail.com>

    Graham Gunderson wrote:
    > I've run into the same thing, kind of. Recently, I've been using FEMM to
    > make animations. For each frame (in this example), I have to adjust the
    > angular offset of magnetization to simulate rotating magnets and moving
    > fields.

    I did similar thing. To speed-up the process of selecting and rotating
    circular geometry i wrote simple small C programm which read *.FEM file,
    do some calculations on it (only rotation at this time) and write results
    into another *.FEM file.
    It can also 'rotate' angular offset of magnetization.

    Program parameters:
    FEMM_ROT.EXE infile outfile angle radius [-i|o] [-m]
    infile - name of input file (*.FEM)
    outfile - name of output file (*.FEM)
    angle - angle of rotation (in degrees)
    radius - radius of boundary between static and rotational points
    [-i|-o] - defines which points to rotate (inside or outside of radius)
    default is inside
    [-m] - rotate angles defined in materal properties also
    default is no

    But it supports only FEMM v.2 data files (tested on v.2.1a).

    I can send this program including source code if there is any interest.

    Dave Squires wrote:
    > FEMM would have to monitor FKERN to know when it is done so it can
    > launch the next run.

    It should be easy implemented in BAT file using:
    START /WAIT ...

    --
    Regards
    Petr Krc

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