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Magnetic Shielding with no subnode: this represents a highly magnetic layer with no special electrical properties.
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Magnetic Shielding and Electric Shielding: this combination represents a layer in which both the relative permeability μr and the electrical conductivity σ are much higher than in the adjacent domain. This layer shields the magnetic field and the current preferentially flows along it. The resulting surface current density is incorporated in the model as a source for the magnetic field.
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Magnetic Shielding and Electric Insulation: this combination represents a nonconductive magnetic layer. The layer shields the magnetic field and there is no current flowing through it. The electric potential is discontinuous across the boundary.
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Magnetic Shielding and Contact Impedance: this combination represents a resistive magnetic layer. The layer shields the magnetic field and the current flows preferably orthogonally to the layer. The electric potential is discontinuous across the boundary.
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