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Magnetic force calculations
Posted 2023年8月2日 GMT-4 04:41 Electromagnetics, Mesh 1 Reply
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Hi All,
I hope someone will have insight into the following issue I encountered: I'm modeling a system using the magnetic fields in the AC/DC module and would like to calculate the magnetic force on metal components in a field of an electromagnet.
It seems that the result is very dependent on the mesh definition (varying from 5N to 155N depending on the mesh made) so I was wondering what is the proper way to set up the mesh and check if it is appropriate?
I would appreciate any thoughts on the issue :) thanks!
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Hi Ivana,
magnetic force calculation is notoriously mesh dependent. Make sure you have a dense mesh where magnetic field gradients are high, like edges, corners, narrow airgaps and the like. Verify mesh convergence by parameterizing the mesh size settings.
Cheers Edgar
-------------------Edgar J. Kaiser
emPhys Physical Technology
www.emphys.com