Difference between "Average gross" and patchAverage
Greetings to all,
I am simulating the problem of natural convection in a parallelepiped. I need to calculate the temperature gradient in the heated walls. However, I am getting different values when I analyze data tool patchAverage (OpenFOAM) or average value in Paraview (in integrate variables patch / area). However, when calculating the average gross of OpenFOAM folder corresponding to the simulation time the result is consistent with the experimental.
Temperature gradient in the heated faces:
Average gross: 47.41 K/m
PatchAverage (OpenFOAM) / Integrate variables (divided by area) (Paraview): 120.93 K/m
Does anyone have any idea what might be happening?
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