Is it possible to simulate dielectric filled structures?

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Depends, how your structure looks like. Fully supported are dielectric fillings in the following cases:

  • the structure is entirely filled with the same dielectric material
  • the structure contains step discontinuities between waveguides filled with different dielectric fillings (or air), but the cross-sections are homogeneous
  • the structure is composed of dielectric resonator cavities, which can be modeled by our element library.
  • Some elements like "spresdp_x_da" from the "Dielectric Resonator" library support inhomogeneous and lossy dielectric fillings by using the 3D finite element method (FEM) .