In a 2D model of a high-temperature superconductor wire in COMSOL, a pointwise constraint can be added to a point on the circumference to include the current passing through the superconductor wire. In similar 3D model, I have used the same method but I got error.Please take look at screen shots.
I would be appreciate if someone can help me out .
Hi Vahid,
I think the error is coming because, of incosnistent BCs. Can you share heare a plot, where you show, what surface, point etc. you clicked for the pointwise constraint and which physical meaning it has. When you have undefined values in the stiffnes matrix it means the problem is coming from the numerical set up, which represents your physics. Hence, there are two options, the physics you try to implement is not correct or the way you implement it is wrong.
Best regards,
Antoni
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