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Physics toolbar, Domains, Coil

Posted Nov 30, 2018, 8:05 a.m. EST Low-Frequency Electromagnetics, General, Acoustics & Vibrations 1 Reply

Tom Houterman
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Hi,

I am trying to model a loudspeaker driver, according to a tuturiol https://www.comsol.com/model/loudspeaker-driver-1369 And at page 20 I need to choose 'Coil' in the 'Physics' toolbar in the 'Domains'. I cannot select 'Coil', the only options appearing is: - Amperes law - Velocity (Lorentz Forces) - External Current density - Initial Values

Hope someone can help me out.

Kind Regards,

Tom

1 Reply Last Post Nov 30, 2018, 9:03 p.m. EST
Nirmal Paudel Tribhuvan University/Electrical Engineering
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Posted: 6 years ago Nov 30, 2018, 9:03 p.m. EST

Hi Tom,

It is most likely due to the license unavailability of AC/DC Module. The "Coil" feature is only available with AC/DC Module.

Best Regards, Nirmal

Hi Tom, It is most likely due to the license unavailability of AC/DC Module. The "Coil" feature is only available with AC/DC Module. Best Regards, Nirmal

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