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Boundary current source

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Hello, I am using ACDC module and I want to know how to create a high frequency current source to observe the current flow in the model.
Basically, I drew two surfaces inside the solid and apply a positive boundary current source to one surface and a negative current source with same amplitude to the other surface. But the result didn't show any electrical potential change or current flow inside the model.
Instead, if I apply a voltage potential to one surface and make the other one as the ground, the result came out well.
can anybody help me?

0 Replies Last Post Feb 9, 2012, 7:37 p.m. EST
COMSOL Moderator

Hello He Huang

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