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Old   February 5, 2004, 23:00
Default icem cfd input format
  #1
joegi
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Hi everybody,

I need to generate a 3D mesh starting from points. The data format is as follow:

X Y Z . . . . . . . . . Xn Yn Zn

where x,y,z are the coordinates.

How can I open this file in ICEMCFD????? How can I generate automatically the surface for the 3D data???

Hope you can help me,

Joe
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Old   February 5, 2004, 23:17
Default Re: icem cfd input format
  #2
centaur_ks
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is your geometry a cube or some simple shape ? if it is so then you can use directly icem cfd to create your geometry first. icem cfd has an option to create /modify geometry in MED itself.

hope this helps !!!

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Old   February 6, 2004, 07:55
Default Re: icem cfd input format
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joegi
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Nope. It's a very conlex geometry (a wing with diferent section and twisting)
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Old   February 6, 2004, 13:18
Default Re: icem cfd input format
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centaur_ks
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if its complex then, what you can do is, create the geom in Pro-E or something like that and export it as IGES file.After you have IGES file.

After getting IGES file either you can import IGES directly into ICEM ( there is an option in import IGES -> TIN) or there is a small program by ICEM called STEP2TIN which you can use to create TIN file from IGES file. you have to contact ICEM CFD to get that step2tin program and instruction on how to use it.OR if you have a direct interface in Pro-E then you can generate TIN file directly from Pro-E.
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Old   February 6, 2004, 19:57
Default Re: icem cfd input format
  #5
joegi
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ok, thanks o lot.

I guess that i need to do a lot in the prepocessing to convert the file into iges
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Old   February 7, 2004, 14:44
Default Re: icem cfd input format
  #6
centaur_ks
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you welcome

generally for grid generation, that is the best way. You create your geom. in pro-e or something like that and import the iges file into the mesh generator. thats the most general way people take for complex geom.

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Old   February 9, 2004, 06:34
Default Re: icem cfd input format
  #7
Helge
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there is a module in ICEM CFD for reconstructing geometry based on a point cloud. This module is called mesh prototyper. Unfortunately a license for this module is required. If there is a similar functionality in ProE I do not know.
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Old   February 9, 2004, 08:37
Default Re: icem cfd input format
  #8
joegi
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Can you tell me a little more about this module??? Probably here in the university they have the licnse for it. Where can i find it???

thanks,

Joel
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Old   February 9, 2004, 15:46
Default Re: icem cfd input format
  #9
centaur_ks
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yes, in pro-e there is a way to import point cloud. you need to create PTS file for that containing x,y and z of the points and you create datum points by reading those points from PTS file, then you create datum curve joining those points and from those datum curves you generate the surface and then solid.
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Old   February 10, 2004, 13:19
Default Re: icem cfd input format
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Ed
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You can also generate a surface file from your point data with Tecplot through the triangulation feature. The Tecplot file can then by imported by ICEM-CFD.
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Old   February 12, 2004, 11:31
Default Re: icem cfd input format
  #11
Helge
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If that works this is may be a solution for joegi because the mesh-protoyper normally is not licensed at universities. But you can ask your ICEM support.
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