Dear Christian,

I think that Salome can handle that kind of problem:

https://blog.kitware.com/salome-an-open-source-simulation-platform-integrating-paraview/

The main problem with Salome is the learning curve, COMSOL or ANSYS Maxwell are by far easier to start with.

Kind regards,

Julian

Dear Christian

I suggest the following software:

" ONELAB "

u find it at:

http://onelab.info/

Hoe that helpful for you

Hi Christian Schubert , try exploring JMAG https://en.wikipedia.org/wiki/JMAG

Dear Christian,

According to their documentation the FEMM software has such capability, although I did not try it myself.

http://www.femm.info/wiki/HomePage

I have seen this article, but have not read it yet. Might be a possible solution for these kinds of problems:

Article EOF Library: Open-Source Elmer and OpenFOAM Coupler for Simu...