Here's a video showing how to make a 2D coaxial geometry in gmsh, refine the mesh, specify a subdomain and boundaries ready to be imported into #FEniCS
In my blog post this geometry is then used for finding an electrostatic field using the finite element method with #FEniCS.
https://comphysblog.wordpress.com/2018/08/15/fenics-2d-electrostatics-with-imported-mesh-and-boundaries/
#physics #opensource #python