The script runs without errors, however the solution has peculiar spot at z = 0, r = 0 where the Temperature is constantly zero. The heat source at that spot is well larger than zero and all around the spot a temperature which is as expected is reached.
I tried changing several of the pde SolverOptions or choose the mesh differently, however nothing of what I tried was successful.
Does anybody have an idea what I can do to fix this issue?
Thanks in advance