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Plotting streamline of magnetic flux density in 2D slice of 3D permanent magnet

Posted Jun 11, 2012, 1:08 p.m. EDT Low-Frequency Electromagnetics Version 4.2a 3 Replies

Benjamin Rardin
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Hi, I'm modeling various neodymium magnet systems in 3D but am trying to obtain 2D slice graphs of the magnetic flux density field using streamline. When I make the streamline plot in 3D, the field seems to be correct (symmetric and through the middle of the magnet). When I try to create a 2D plot of the flux density field using streamline, however, my plot seems random and doesn't fit with my 3D results.

Does anyone have any suggestions on how to obtain a 2D plot of magnetic flux density lines using a slice from a 3D model?

Attached is my model.

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3 Replies Last Post Jun 11, 2012, 4:16 p.m. EDT
Ivar KJELBERG COMSOL Multiphysics(r) fan, retired, former "Senior Expert" at CSEM SA (CH)
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Posted: 1 decade ago Jun 11, 2012, 3:08 p.m. EDT
Hi

if it's a 2D Data set surface cut you are plotting, do not forget to adapt the streamline flux variables, as these by default chooses x-y and you by cutting your volume might well have selected another cut plane,

Also select carefully the options of the Data-set surface coordinates (s1,s2, directions of the arrows) or any predefined plane pair selection

--
Good luck
Ivar
Hi if it's a 2D Data set surface cut you are plotting, do not forget to adapt the streamline flux variables, as these by default chooses x-y and you by cutting your volume might well have selected another cut plane, Also select carefully the options of the Data-set surface coordinates (s1,s2, directions of the arrows) or any predefined plane pair selection -- Good luck Ivar
Benjamin Rardin
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Posted: 1 decade ago Jun 11, 2012, 3:28 p.m. EDT
Wow, I totally missed that. Fixed my problem, thanks so much!
Wow, I totally missed that. Fixed my problem, thanks so much!
Ivar KJELBERG COMSOL Multiphysics(r) fan, retired, former "Senior Expert" at CSEM SA (CH)
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Posted: 1 decade ago Jun 11, 2012, 4:16 p.m. EDT
Hi

you are not the only one, I believe we have all bumped into several of these issues ;)

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Good luck
Ivar
Hi you are not the only one, I believe we have all bumped into several of these issues ;) -- Good luck Ivar

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