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Electric insulation in MEF

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Hello all,

I want to create a thin insulating layer (or sheet) within a conductive domain (interior boundary). I use MEF mode and the boundary condition should allow a jump in the electric potential over the interior boundary. Is this possible in COMSOL?

Adding the electric insulation (J.n=0) boundary condition seems only possible if also the magnetic insulation (nxA=0) apply. The boundary condition I would like includes only J.n=0 but needs then the potential to be treated differently on the two sides of the insulating layer.

Has anyone a different solution? I don't want to model the insulating layer with a thickness (giving a new domain with zero conductivity, which is a possible way out).

Kind regards,

Anders.

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