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Author Topic: Help with Femm 2D application  (Read 4130 times)

Offline Low-Q

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Help with Femm 2D application
« on: April 04, 2007, 10:46:34 PM »
Hi,

I have drawn a toroid in femm2D. Then I want this toroid to be a magnet which is radial magnetized from inside out.
Is this possible to do in femm?

It's time consuming, making several small magnets where the poles are pointing outwards...

Br.

Vidar

Free Energy | searching for free energy and discussing free energy

Help with Femm 2D application
« on: April 04, 2007, 10:46:34 PM »

Offline Omnibus

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Re: Help with Femm 2D application
« Reply #1 on: April 04, 2007, 11:28:39 PM »
No, it's not possible. Neither is it  possible in Maxwell which is a way more advanced a program. Unfortunately, you have to assemble your radially magnetized toroid from smaller segments.

Offline dutchy1966

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Re: Help with Femm 2D application
« Reply #2 on: April 05, 2007, 03:24:05 PM »
It is possible! just setup one magnet in direction 0 degrees and use copy/rotate around origin 0,0 (if that is your center of the toroid). Use e.g. 10 degree stepping 36 copies.
Can be done in like 30 seconds....

regards

Robert

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Re: Help with Femm 2D application
« Reply #2 on: April 05, 2007, 03:24:05 PM »
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Offline Omnibus

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Re: Help with Femm 2D application
« Reply #3 on: April 05, 2007, 03:40:16 PM »
This is what I said. The only way to make a radially magnetized toroid is to make it up from segments. It is not the time of making it from segments that matters. The problem is that it will only approximate a radially magnetized toroid.

Offline Nali2001

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Re: Help with Femm 2D application
« Reply #4 on: April 05, 2007, 07:21:30 PM »
Hmm I kind of wonder if such a magnet can even be made in the real world.

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Re: Help with Femm 2D application
« Reply #4 on: April 05, 2007, 07:21:30 PM »
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Offline Omnibus

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Re: Help with Femm 2D application
« Reply #5 on: April 05, 2007, 07:29:05 PM »
Yes, it can but you have to pay additionally for it to be made. It is not a standard item. There are several ways of making it and the cheapest is, again, from segments.

 

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