 FEMM Help
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blackgrunge
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Tue Dec 30 2008, 10:06PM
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Registered Member #1889
Joined: Mon Dec 29 2008, 07:36AM
Location:
Posts: 55
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I'm having some trouble with FEMM v4.2. How do you simulate a coil with an air core and then place a iron bar inside of it. It seems as though all you can do it make a solid coil or make a coil that your looking down.
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rp181
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Registered Member #1062
Joined: Tue Oct 16 2007, 02:01AM
Location:
Posts: 1529
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I personally have never used FEMM, but :
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Barry
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Registered Member #90
Joined: Thu Feb 09 2006, 02:44PM
Location: Seattle, Washington
Posts: 301
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You can do it in FEMM 4.2 although the modeling diagram looks a little strange at first.
FEMM 4.2 supports an axi-symmetric model; the figure you draw is a cross section that is rotated about the axis to form circles. So you only draw one half of a coil, and one half of the projectile. The projectile must be placed along the z=0 axis to be solid, otherwise it becomes a hollow cylinder.
Use your 3d imagination to see the round object in space. Just takes a little getting used to.
Happy Electromagnetic New Year! Barry
A flashlight is just a container for storing dead batteries.
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