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Nusslet calculation in openfoam

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Old   June 29, 2021, 07:00
Default Nusslet calculation in openfoam
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A. Min
Join Date: Mar 2015
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Hi all

I want to calculate the Nusslet number in ParaView. When I calculate the inner product to normals and grad(T), it gives me this error:

Code:
ERROR: In /home/OpenFOAM/ThirdParty-7/ParaView-5.6.0/VTK/Common/Misc/vtkFunctionParser.cxx, line 1244
vtkFunctionParser (0x5612add94000): Syntax error: expecting a variable name;  see position 0
Do you know how to solve it?

Also, it seems that wallHeatFlux does not work in my solver: rheoHeatFoam.
Do you know any other way to calculate that?

Thank you!
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