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3.13.10. Materials Details

Materials in Analyst are defined in terms of the following four quantities:

Any of these parameters may be isotropic or symmetric tensor materials. By specifying these parameters, you define the material properties in the Maxwell equations according to:

Here, ε0 = 8.854 x 10-12 F/m is the free space permittivity and μ0 = 4π x 10-7 H/m is the free space permeability. ρ is the electric charge density determined from the source conditions in your simulation.

When you create a new material or modify the properties of an existing material, you can specify either σ or tan(δ), but not both; this is also true for σ* and tan(δ*). Written in terms of loss tangents, the two curl equations become:

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