In the following section, some special material declarations are discussed. The vacuum permittivity and permeability are defined as and The material properties can be defined either as normal, describing isotropic media or with consideration of anisotropic behavior. In the following the description of the material is specified by its relative parameters with respect to the vacuum case. Considering linear behavior, in the frequency domain the dielectric and magnetic material parameters determine the ratio of the electric field and flux density and of the magnetic field and flux density, respectively: Each material is distinguished by its unique name and can be visualized in a selectable color and transparency. Other more complex materials may be defined in the Material Properties dialog box. The two basic materials available are PEC ( Perfect Electrically Conducting material) and Vacuum. Material Overview Material Overview (HF) For the high frequency solvers, several different material properties are considered to allow realistic modeling of practical simulation problems.
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