inp网格在fluent中的使用及导出

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inp 文件可以直接在fluent中打开，自动生成各种面。
且单元的区域信息仍然保留。

Is it possible to export a mesh from FLUENT in v18/19? -- CFD Online Discussion Forums

I couldn't find the direct method/command to export a .msh file from Fluent (v19.1). Instead I'm doing the followings to get the .msh file from .cas file:

1. In Fluent Solution Mode (normal mode), write a .cas file
2. Launch Fluent in the Meshing Mode by ticking "Meshing Mode" in the Fluent Launcher
3. Read the .cas file just saved by File>Read>Mesh... then it prompt "Reading a case file as a mesh file results in loss of boundary conditions." Press OK.
4. Write the mesh as .msh by File>Write>Mesh...

第四步应选择写二进制文件，否则openFOAM中网格无法进行转换。
转换后的网格将失去单元集的信息（即单元标签丢失）