Reply To: Fluctuation on thermal field with curved boundaries
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January 18, 2021 at 5:29 pm
#5450
mathias
Keymaster
Since they get smaller with finer meshes it seems that the staircase approximation is the reason. You can set a function instead of a constant value at the bounderies depending on there exact position if you have an analytical solution. Then, the fluctuations should be gone.