Solver
Solver back-end Fino   v0.5.231-g3b64662

Problem checklist

Material thermal properties  

Thermal conductivity k= 1 W/(m K)

ref  

inner  

Spatial discretization  

Meshing back-end Gmsh   4.1.0
Mesh order 1
Mesh characteristic length c 6.67 mm
Nodes 18.4 k
   Tetrahedra 61.7 k
   Triangles 31 k