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wrong result with boundary layers in 3D

Posted Mar 14, 2016, 9:43 a.m. EDT Low-Frequency Electromagnetics, Geometry, Mesh, Results & Visualization Version 5.2 0 Replies

Wei Zhang
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hello everyone,

i'm simulating an iron needle in an alternating magnetic field in 3D. Because of the skineffect, i add boundary layers on the surface of the needle, in order to calculate the magnetic flux density on the surface. But the result is wrong, that there are many lines, on which the magnetic flux density is much more higher than other parts.

I have attached the pictures of mesh and result.

Looking for you advices and thanks in advance.

Best Regards,

wei
0 Replies Last Post Mar 14, 2016, 9:43 a.m. EDT
COMSOL Moderator

Hello Wei Zhang

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