[Getdp] Can GetDP be used to solve for 2D waveguide cross-sections containing dielectrics defined by complex permittivities and permeabilities?

David Colignon David.Colignon at ulg.ac.be
Fri Sep 12 12:41:42 CEST 2014

On 12/09/14 12:12, Dr. W. Scott Best wrote:

> To whom it may concern,
> I was interest in using GetDP to solve for the eigenfrequencies and corresponding eigenvectors for arbitrary 2D waveguide
> cross-sections containing one or more mixed dielectrics defined by complex permittivities and permeabilities to add loss to the
> solution?  This topic is not addressed in the GetDP User Guide, where only relative permittivity is mentioned and complex
> permeability is mentioned for metal cores.


you can perhaps have a look at:



and the two examples:





David Colignon, Ph.D.
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CÉCI - Consortium des Équipements de Calcul Intensif
ACE - Applied & Computational Electromagnetics
Université de Liège
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> Next, adaptive mesh refinement is mentioned on p. 30 of the gmsh User Manual, but is not mentioned elsewhere in the document.
>   Can gmsh be used to continually refine the mesh to solve for higher order normal modes of a waveguide cross-section?  If so,
> how is this implement?
> Respectfully,
> Dr. Scott Best
> Chief Technology Officer
> *SiberSci, LLC*
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