Materials, excitations & boundary conditions
Materials
- PEC and PMC
- isotropic and anisotropic dielectrics
- thin metal layers
- lossy metals and wideband modelling of skin effect
- lossy wires
- multipole (up to 3 poles) frequency dependent materials (Drude, Debye, Lorentz electric and magnetic dispersion)
- cold plasma can be described as the dielectric dispersive material with Drude dispersion
- anisotropic dispersive dielectrics
- third-order nonlinear polarization given by Kerr-Raman model can be set for dispersive material described with Lorentz model
- negative index materials (LH materials, metamaterials)
- magnetised ferrites
- temperature dependent materials (BHM)
Excitations
- dynamic/manual/analytical (using an analytic formulas) mode generation
- port impedance calculation
- modal excitation in arbitrary transmission lines (also multi-modal, in lossy media, supporting evanescent modes)
- ideal voltage and current source
- lumped resistive source
- free space incident wave in various environment media (air, dielectric, magnetic, low-loss)
- plane wave excitation
- 2D & 3D Gaussian beam excitation
- excitation waveforms:
- pre-defined signal library (sinusoidal, Gaussian pulse, etc.)
- user defined signal excitation
Boundary conditions and initial conditions
Boundary
- electric
- magnetic
- PML
- MUR with superabsorbing
- periodic
- anisotropic boundary conditions (wire grids)
Initial
- starting from zero fields
- starting from initial steady state