## Electromagnetic vector field solver

Numerical methods and mathematical models of Elmer
aether
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### Electromagnetic vector field solver

Hi Elmer,

What is the status of the electromagnetic field solver? I remember a post circa November, 2013 to the effect that there is an undocumented solver in the development branch and that a lot of work was going into it at that time. How can I learn more about suitability to solve some vector E&M problems in 2D?

Thanks.
raback
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### Re: Electromagnetic vector field solver

Hi eather

The electromagnetics solvers have been under very active development. The focus has been in 3D since there the existing tools leave more room for furher developments. There is also a 2D version which has almost the same features. Both solvers assume low freaquency and use potential formulations. There is also a novel 3D wave equation for high frequency simulations. The 3D electromagnetic solver is already used for really complex real world problems both in industry and academia.

-Peter
felix
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### Re: Electromagnetic vector field solver

Is there any documentation about it? or is there anyone who I can contact with in order to learn how to use it?

I want to compute the specific absorption rate (SAR) in patients when I use a radiofrequency electromagnetic field (13.56 MHz) generated by a capacitive hyperthermia device. I think that I can export the segmented CT dicom images and generate the mesh using slicer3D. But I don't know the solver to be used and how to define the excitation generated by my device. (SAR is proportional to E field and is measured in Watt/kg).

annier
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### Re: Electromagnetic vector field solver

Hi Felix,
The Elmer Models Manual, in its several chapters discusses about Electromagnetics Solvers.
Model 14 Computation of Magnetic Fields in 3D
Model 15 Vectorial Helmholtz for electromagnetic waves
Model 16 Computation of Magnetic Fields in 2D

The relevant examples for WhitneyAVSolver are given in test cases with names mgdyn_ ... or mgdyn2D_ ... :
https://github.com/ElmerCSC/elmerfem/tr ... /fem/tests

Yours Sincerely
Anil Kunwar
Anil Kunwar
Faculty of Mechanical Engineering, Silesian University of Technology, Gliwice
felix
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