This applies if the default settings are active. The imaginary part is therefore set to zero. The Frequency Domain, Integral Equation, and Eigenmode solvers are not bounded by those relations and can take into account the frequency dispersion of the real part of the complex permittivity and permeability only. This is required to fulfill the causality and physical behavior expressed by the so called Kramers-Kronig relations. The values are defined, depending on the material model, in the Material General or Dispersion page (see Material Parameters: default - General or Material Parameters: default - Dispersion) and are taken as real constant over the entire simulation frequency band. In the Time Domain solver the epsilon and mu infinity values of the dispersive material model are considered for the simulation. Simulate lossy dielectrics as lossfree: All lossy normal materials are treated as lossfree. Mesh: The settings are used for the displayed mesh type only. Solver: The simplification is used for the selected solver only. Simulation: Solver > Setup Solver Use this dialog to globally reduce the complexity of your model. Simplify Model Simplify Model Home: Mesh > Global Properties
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