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Halbach Array Mandhala Polar Define magnetization directions

Posted 14 mai 2019, 09:31 UTC−4 Low-Frequency Electromagnetics Version 5.4 1 Reply

Erhan Ozcan
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have a nice day. my name is Erhan. I want to model the 8-magnet double-sided halbach mandhala array. In physics, I chose 'magnetic field no curret'. I'd like to identify a neodymium magnet. I'm entering Br values. As it is known in the Halbach series, there must be 2 magnets opposite each other. One is N pole and the other is S pole. I don't know how to determine the polarity and magnetization directions. My joy if you help.

1 Reply Last Post 14 mai 2019, 10:34 UTC−4
Sergei Yushanov Certified Consultant
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Posted: 6 years ago 14 mai 2019, 10:34 UTC−4

Erhan,

Use cylindrical coordinate system to define opposite magnetization, as shown in the Application Library example:

https://www.comsol.com/model/static-field-modeling-of-a-halbach-rotor-14369

Regards,

Sergei

Erhan, Use cylindrical coordinate system to define opposite magnetization, as shown in the Application Library example: https://www.comsol.com/model/static-field-modeling-of-a-halbach-rotor-14369 Regards, Sergei

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