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[snappyHexMesh] MultiRegion(Snappy): how to define new zones

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Old   June 12, 2015, 03:52
Default MultiRegion(Snappy): how to define new zones
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Hi everybody,

My case is.....

The model consists in one cylinder inside a athmospheric domain ( 3D ). The mesh has been generated by SHM and the geometry of the cylinder is a stl. The model is a multiRegion because the cylinder is solid and the domain is air. I want to define three cellZones on the cylinder, top, bot and wall. I started to define these in the stl file:
cylinder.stl
Code:
solid top
...
ensolidtop
solid bot
.....
endsolid bot
solid wall
.....
endsolid wall
At the end of the SHM process, I obtained in the boundary file of general polyMesh:
cyliner_top
cyliner_top_slave
cylinder_bot
cylinder_bot_slave
cylinder_wall
cylinder_wall_slave

But, when I used splitMeshRegions..( splitMeshRegions -cellZones -overwrite) ... I obtained: cylinder_to_domain0 and domain0_to_cylinder.

I have seen in the cellZone file, the top,bot and wall don't exist....are only boundaries.

I would like to have others cellzones after splitMeshRegion:
cylinder_top_to_domain0
cylinder_bot_to_domain0
cylinder_wall_to_domain0
domain0_to_cylinder_top
......etc

The target is to define thermal conditions in these patchs.
Any idea?


Thanks
Greetings
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