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Files Preparation - Draft Tube Region

For creating new mesh with snappyHexMesh it is recommended to create new OpenFOAM test case just with system and constant directory.

The input .STL files are located in constant/triSurface and can be directly viewed in paraview:
# paraview

Three .STL files are presented, namely: drafttube.stlinterface-draft-rot.stloutflow.stl.

Interface between draft tube and rotor part (interface-draft-rot.stl) is the same as for rotor region (see Section crossref 3, page crossref 3).

The initial idea is to create following mesh boundaries: draft tube walls, outlet and interface. Their number and names can change during the creation process.