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Can Magnetic Fields, mf, and Magnetic Fields Formulation, mfh, work together?
Posted 2 giu 2025, 16:44 GMT-4 Electromagnetics, General, Physics Interfaces Version 6.2 4 Replies
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Hello, I am working on a WPT 2D-axisymmetric model, using a copper coil as primary and an HTS coil, as secondary, pick up coil. My question is if i can use the mf interface, with the coil domain for the copper coil, and the mfh interface for the secondary, HTS, superconductor, coil? Can the two interfaces work together, where the magnetic field generated from copper coil, in mf interface, can be seen in the hts coil, inducing current?
Thanks, Vitor
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Comsol Multiphysics is all about "multiphysics." So the quick and short answer is that you almost certainly can do that! Now, whether you should try to do it, whether or not you will include all the relevant physics, or if it will work well, or if it is easy to do, and what is the best way to do it are all very different questions! Since I haven't tried to do anything like this, I'll leave all those good and important but unasked questions to others here, to address. Good luck!
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Please login with a confirmed email address before reporting spam
Comsol Multiphysics is all about "multiphysics." So the quick and short answer is that you almost certainly can do that! Now, whether you should try to do it, whether or not you will include all the relevant physics, or if it will work well, or if it is easy to do, and what is the best way to do it are all very different questions! Since I haven't tried to do anything like this, I'll leave all those good and important but unasked questions to others here, to address. Good luck!
Thanks! I have tried in a simple way, just adding those interfaces, exciting my coil from the mf interface, and seeing if it results in something in the mfh side, but have not succeeded. Maybe it needs some type of linking/coupling that I am missing.
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A rough guide to building your own coupling:
- Put both physics nder the same study.
- Use quantities from physics1 in physics2 (and vice versa, if you are coupling both ways). This may require some thinking/experimentation to get the variable names right.
- Think carefully about whether you want segregated or fully coupled solutions.
- Be prepared to deal with convergence problems.
With a bit of searching you may be able to find some examples.
As Robert says, just because you can set it up doesn't mean that it physically makes sense.
Please login with a confirmed email address before reporting spam
A rough guide to building your own coupling:
- Put both physics nder the same study.
- Use quantities from physics1 in physics2 (and vice versa, if you are coupling both ways). This may require some thinking/experimentation to get the variable names right.
- Think carefully about whether you want segregated or fully coupled solutions.
- Be prepared to deal with convergence problems.
With a bit of searching you may be able to find some examples.
As Robert says, just because you can set it up doesn't mean that it physically makes sense.
Thanks for the tips!!
I will indeed experiment, and do more research. Do you also have any tips on how i should the coil (in my case represented as a homogeneous bulk of tapes) with current, in the Magnetic Fields Formulation, mfh? And if it is also possible to link it with an electric circuit physics, as it is on the mf physics side?