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[mesh manipulation] ISSUE: fluent mesh including muti-region conversion to OF issue

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Old   May 30, 2021, 17:06
Default ISSUE: fluent mesh including muti-region conversion to OF issue
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sw choi
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Dear All,

I am working for solidQuenching2D tutorial case using OF version2012.
In order to extend the meshing approach for complicated geometry, I am trying to transfer the mesh generated by using Fluent into OF. For relatively simple solver like icoFoam, there is no problem on those approach(fluentMeshToFoam mehtod). But when I try to apply this approach to tutorial case with chtMultiRegionTwoPhaseEulerFoam, there is error message coupled with runApplication splitMeshRegions -cellZonesOnly -overwrite.(i.e., polyMesh folder on each material(water and solid in constant folder) are not generated). From my research of OF manuals,

Multiple material meshes are not permitted. If multiple fluid materials exist, they will be converted into a single OpenFOAM mesh; if a solid region is detected, the converter will attempt to filter it out.

Using splitMeshRegions -cellZonesOnly -overwrite command in OF, OF allows the user to define a patch on heated solid boundary faces with cells on both sides(solid_to_water; water_to_solid). I think such patches are allowed to generate the polymesh in each material based on the constant/polyMesh generated by using Fluent mesh converter. However, it does not generate polyMesh in each material folder(water/solid).

I am sincerely looking for the alternative ways or related reference case or appropriate procedures on this matter. Any comments or help is welcome.

Sung Choi
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