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Magnetic flux density

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jerrylucas

Industrial
Joined
Sep 21, 2006
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10
Location
ES
Hi All,

I am currently working on a transient solution in ansys.The result that I want to view is the magnetic flux density of a wire. Fot this reason I modeled a wire and an air. Fot both cases I use PLNE13. The aplied load has been a inpressed current (20000 Amp) in all the nodes of the wire.

Viewing the result,the maximun magnetic flux density is in the radius of the wire and it has got a value of 3144 Tesla.

But according to the equation B=(?0•I)/(2•?•R), the theoretical result is more o less 1.5 Tesla. What is the reason for this difference in the results?

Regards,
Jerrylucas
 
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