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simulation of levitating magnet moving due to induced forces

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I've been doing a lot of reading on this forum and somehow my questions have only been partially answered:

1.) Can MEF physics be used with a time-dependent solver if it is coupled with a physics module that does allow for a time-dependent solver? In the context of my problem: there is a magnet moving horizontally above an aluminum plate, which induces eddy currents that impart forces on the magnet; can I couple MEF with the Moving Mesh and Global ODE modules and use the time-dependent solver to simulate how the magnet's trajectory would change due to the induced forces?

2.) If that could not be done with MEF, would it work with MF? I know that you need MEF for eddy currents, but would the induced forces still be simulated in MF?

I would really appreciate any sort of help with this. I can't upload my model since it's too big, but you can download it here drive.google.com/file/d/0B7-aYIGRCp-bb1J1OHNlYVk2T0E/view?usp=sharing

2 Replies Last Post May 2, 2017, 2:38 p.m. EDT
Edgar J. Kaiser Certified Consultant

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Posted: 7 years ago May 2, 2017, 2:14 p.m. EDT
Ben,

you don't need mef for eddy currents. This can be done with mf.

Cheers
Edgar

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Edgar J. Kaiser
emPhys Physical Technology
www.emphys.com
Ben, you don't need mef for eddy currents. This can be done with mf. Cheers Edgar -- Edgar J. Kaiser emPhys Physical Technology http://www.emphys.com

Ivar KJELBERG COMSOL Multiphysics(r) fan, retired, former "Senior Expert" at CSEM SA (CH)

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Posted: 7 years ago May 2, 2017, 2:38 p.m. EDT
Hi

have you checked out how its done in the falling magnet from the application gallery ? See here:

www.comsol.eu/model/magnet-falling-through-copper-tube-13875

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Good luck
Ivar
Hi have you checked out how its done in the falling magnet from the application gallery ? See here: https://www.comsol.eu/model/magnet-falling-through-copper-tube-13875 -- Good luck Ivar

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