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[Commercial meshers] Please help me fix the error related to "fluent3DMeshToFoam"!

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Old   May 25, 2024, 09:51
Default Please help me fix the error related to "fluent3DMeshToFoam"!
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I am a novice Korean user who first entered OPENFOAM.
I wrote this using a translator, so the sentences may be a little awkward, so please understand.

To analyze the external flow of a 155mm artillery shell, I used CATIA to create a wedge-shaped analysis area rotated at an angle of 5 degrees.
I imported this into ANSYS, went through detailed settings to create a structured grid, and saved it as a .msh file.

Next, I typed “fluent3DMeshToFoam” into the openfoam console window.
When I checked the grid created by entering paraFoam in the console window, I confirmed that the overall shape was well created.

I created an analysis area consisting of a total of 11 solid bodies in CATIA and imported one .std file containing them all into ANSYS.

But here's where a problem arose.
When I checked the boundary file in the polyMesh folder, the boundary file included an internal boundary where 11 bodies are connected to each other.
Boundary conditions must be assigned to the boundaries included in the boundary file.

Are there any boundary conditions that can be assigned to the internal boundary?
How do I solve this problem?
I want to set boundary conditions only on the outermost parts of the entire analysis domain.
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