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Post-processing of nested regions

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Old   July 9, 2019, 14:27
Default Post-processing of nested regions
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Rodrigo de Oliveira
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I have made a fairly complicated solver that operates on meshes of 3 different levels (master mesh, mesh and sub-mesh).

The mesh represents different fluid circuits (pipes or something)
The master mesh represents places in which they overlap (some heat exchanger for example)
Finally, the sub-mesh represents some section of the fluid that might be under the influence of some complicated source (electrical or chemical heaters for example).

So the full case hierarchy looks like this:
  • heatExchangers
    • coolingPipe
    • heatedPipe
      • heatingSource
In terms of folders, it looks like this:
  • 0
    • coolingPipe
    • heatedPipe
      • heatingSource
  • constant
    • coolingPipe
    • heatedPipe
      • heatingSource
  • system
    • coolingPipe
    • heatedPipe
      • heatingSource

Very interestingly, I can create the blockMesh for all regions. The master mesh only needs a normal blockMesh. For the multiple fluids, I can create the mesh with blockMesh -region heatedPipe for example. And for the sub-mesh I can create the mesh using blockMesh -region heatedPipe/heatingSource (which was quite surprising!). The solvers runs and works well.

However, paraFoam does not work like this. In particular the forward slash / is forbidden in filenames so something like case{heatedPipe/heatingSource}.OpenFOAM cannot be created.

Does anyone have a suggestion for how to use ParaView in the sub-mesh? Without just copying and pasting the sub-region in the parent folder or something like that.

Maybe I stretched OpenFOAM in a unexpected way? Did I just get lucky with blockMesh?

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parafoam, region meshing

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