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Native ParaView .foam reader cannot render fixedGradient
BCs correctly
#229
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Does this also happen when you use |
Yes, |
To make an action out of this issue: would changing our tutorials to create a The motivation for |
AFAIK the stand-alone paraView still does not render the |
I understand that if there is something we can do, then this should be done in the tutorials scripts/documentation. Therefore, I am transfering the issue. |
This issue is mainly re-documenting the following issue from ParaView: https://discourse.paraview.org/t/internal-foam-reader-for-openfoam-data-issue-with-fixedgradient-boundary-condition/698, since it is quite relevant for our partitioned approaches. To sum the issue up: in order to visualize an OpenFOAM case with
fixedGradient
boundary conditions correctly, one needs to useparaFoam
/ ParaView with the OpenFOAM plugins which reads.OpenFOAM
files. The native paraView reader assumes that afixedGradient
BC is essentially a zero gradient boundary condition, which obviously leads to wrong values at the respective interface.I visualized the same result file of our partitioned-heat case (domain length of 1 with 50 uniform elements in surface normal direction which is rather fine resolved) with native ParaView (
.foam
) and the paraFoam (.OpenFOAM
) reader and exported the data plot in acsv
file in order to compare both plots. The result looks as follows (upper figure whole domain, lower figure zoom in):Maybe we should document this somewhere in the adapter documentation.
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