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how do i get current through a surface

Posted 1 apr 2011, 07:37 GMT-4 Low-Frequency Electromagnetics, Results & Visualization Version 4.0a 1 Reply

Linda Boatemaa
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Hello,
i am working in 3D and i need the current through a surface, i got a plot of current density which i can multiply by the surface area to get the current.
but i noticed that the current density i read is perculair to a position but i would like to know the current through a face not at a paticular point.
any help?
thanks?
1 Reply Last Post 1 apr 2011, 07:47 GMT-4
Ivar KJELBERG COMSOL Multiphysics(r) fan, retired, former "Senior Expert" at CSEM SA (CH)
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Posted: 1 decade ago 1 apr 2011, 07:47 GMT-4
Hi

make in integration operatior on the surface of interest, then in the Postprocessing "derived values" Global one get the integrated value, or just integrate over the boundary in the "derived value" node

--
Good luck
Ivar
Hi make in integration operatior on the surface of interest, then in the Postprocessing "derived values" Global one get the integrated value, or just integrate over the boundary in the "derived value" node -- Good luck Ivar

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