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error: Divergence cleaning fialed for linear system

Posted 2010/07/20 10:09 GMT-4 0 Replies

Alexandre Savard
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I get the error shown in the title of that post with my simulation. I'm trying to simulate an electromagnet in 3D with Comsol 4.0. I succeeded in 2D, but I need it in 3D for future work.

I succeeded to simulate the magnet alone, but when I use that model and close the magnetic path with iron around it, Comsol never converge.

I tried refining and enlarging the mesh, but without success. I wondered if you would have any idea.

Thank you very much,
Alexandre Savard
Student in mechanical engineering

Attached files:
electromagnet_test_3D.mph: electromagnet alone
electromagnet_test_3D_retour.mph: electromagnet with a closed circuit
0 Replies Last Post 2010/07/20 10:09 GMT-4
COMSOL Moderator

Hello Alexandre Savard

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