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Cannot resolve for " center of coil" error .

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I am designing solenoid for charged particle tracing but I couldn't resolve for the error "cannot determine centre of the coil" under magnetic fields node.


1 Reply Last Post 2020年4月1日 GMT-4 上午8:07
Lars Dammann COMSOL Employee

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Posted: 8 months ago 2020年4月1日 GMT-4 上午8:07

Hi, do you have your Coil set to "Circular"? Did you select a circular edge in the "Coil Geometry" subnode of the Coil node? If that does not work, perhaps try the "Numeric" coil type. See these example models that may be helpful: https://www.comsol.com/model/magnetic-field-of-a-helmholtz-coil-15 and https://www.comsol.com/model/multi-turn-coil-above-an-asymmetric-conductor-plate-13777

Hi, do you have your Coil set to "Circular"? Did you select a circular edge in the "Coil Geometry" subnode of the Coil node? If that does not work, perhaps try the "Numeric" coil type. See these example models that may be helpful: https://www.comsol.com/model/magnetic-field-of-a-helmholtz-coil-15 and https://www.comsol.com/model/multi-turn-coil-above-an-asymmetric-conductor-plate-13777

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