[Paraview] post-process of CFL3D result with surfaces in paraview?

[程迪]

Hi paraviewers,

I am using paraview to render results in CFL3D, which is in Plot3D format,
including `abc.xyz` grid file and `abc.q` solution file. Besides, I have a
boundary condition file `abc.xyz.fvbnd` in FieldView 1.3 format which was
generated by grid pre-processor.

My problem is: How to extract the surface of the aircraft?

Because the Plot3D format is a multi-block curvilinear grid. When I use
`Extract Surface` filter, it will extract the block interfaces. My current
solution to combine blocks by `Merge Blocks` filter. Then I can extract the
surfaces, including the outer boundary and the inner aircraft walls. After
that, I need to clip the farfield and keep the aircraft walls. Is there a
better solution?

However, what I need to do is to evaluate the force on specific parts. So I
need to use the information from the boundary condition file
`abc.xyz.fvbnd` which indicates ranges of indexes in curvilinear grid as
wall of certain parts. My problem is how to use it to generate several
surfaces in paraview for rendering and integration.


p.s. I am using paraview 5.4.1. The grid consists of farfield outer
boundary and several aircraft parts' wall inner boundaries.


Di Cheng
Engineer of Research Center
China Academy of Aerospace Aerodynamics
Phone: +86-l58Ol5949ll

Address: No.17, YunGang West Road, Fengtai District, Beijing, China

Zip Code：100074
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