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Modelling magnetic fields both outside and inside a vacuum chamber
Posted 2018年7月9日 GMT-4 20:57 Low-Frequency Electromagnetics, Geometry, Materials Version 5.3a 1 Reply
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Hi all,
I'm trying to model the B field generated by a set of coils which are outside a vacuum chamber. I would like to know the field both outside and inside the vacuum. I can model the field generated by my coils if they are just sitting in air, but I am unsure how to proceed in adding the complexity of the vacuum chamber to my model. Does the vacuum chambe need to be a separate component from the coils? How do I define the vacuum to be inside the chamber and air outside the chamber? How do I set the correct boundary conditions to see the field inside a steel chamber? How do I add a static external field (ie, the earth's field)?
Thanks in advance!
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Tanya,
From electromagnetics standpoint, properties of the air and vacuum are the same - you don't need to assign diferent properties to the domains inside and outside the chamber.
To impose external magnetic field, use Reduced field formulation in the magnetric fields physics, as shown in the attached image.
Regards,
Sergei
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