Ansys Maxwell problem -- band around coil is a difficult geometry?

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Eske
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Hey Guys,

through the past years you helped me a lot. But now i have to ask my first question.
I am simulating a solenoid, a very easy one, with a core and a coil. And a translational band (2mm). The only problem is, that i cannot put the band correctly because my solenoid is in a housing, the 2 shafts goes out of the model. and of course i considered that the obejcts are not touching each other. I have warning messages in intersecting objects. i upload the pictures (cylinder 41 is the motion band).

I also tried to make one motion band and extend it with new ones, but then i get more 'intersecting' warning messages and other like i touch the stationary shell and that the geometrie ist not valid...
I hope you can give me an advice how to put a motion band (transl.) in that housing.
Have a nice weekend.

Greeting from Germany
Eske
 

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Can you clarify where the two coils are? I'm assuming one is purple and the other is brown? And what is the longer rod-shaped thing going up the middle -- is that your "core"? Thanks