Media and Supported Solution Methods

View the restrictions when using media in a model since not all media types are supported for all solution methods.

Table 1. Restrictions when using dielectrics.
Solution Method Dielectric Layered Dielectric (2D) Anisotropic Layered Dielectric (2D) Anisotropic Dielectric (3D)
MoM Yes Yes – properties must differ from the surrounding medium Yes No
FEM Yes Yes - properties must differ from the surrounding medium Outside FEM region Yes
FDTD Yes – non-dispersive No No Yes, biaxial
PO

Limited - reflection only

No metal

 Yes No No
LE-PO No No No No
RL-GO Yes Yes No No
UTD No No No No
Faceted UTD No Yes No No
CMA Yes Yes Yes No
CBFM No Yes Yes No
Dielectric Surface Impedance Approximation Yes Yes No No
VEP Yes Yes No No
Table 2. Restrictions when using metallic, impedance sheet, characterised surface and windscreen.
Solution Method Metallic Impedance Sheet Characterised Surface Windscreen
MoM Yes Yes Yes Yes
FEM Yes - inside and outside FEM region Yes – inside and outside FEM region No Yes
FDTD PEC only No No No
PO PEC only No No No
LE-PO PEC only No No No
RL-GO PEC only No Yes No
UTD Yes No No No
Faceted UTD Yes No No No
CMA Yes Yes No Yes
CBFM Yes Yes No No
Dielectric Surface Impedance Approximation Yes Yes No Yes
VEP Yes Yes No No