I am a senior i working on simulating the response that a aluminum structure has to an external coil. i have built the assembly entirely in comsol and can run the simulation. when i create a new project using the inductive heating preset it loads in and after i build my objects it puts magnetic insulators on all the boundaries. the resulting simulation shows that the magnetic flux never leaves the coil, as if it was trapped inside. my question is how to get the field to actually leave the coil and influence inductive heating on the objects. attached is the .mph file, i had to clear the study though to make it small enough to attach.
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