Difference between revisions of "NetgenNeutralToFoam"

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Import a mesh generated by Netgen ([http://www.hpfem.jku.at/netgen/index.html]) to OpenFOAM.
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==Name==
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<tt>netgenNeutralToFoam</tt> - Converts neutral file format as written by Netgen v4.4
  
1. export the file from netgen as neutral file
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{{VersionInfo}}{{Version2.1}}
  
2. create a new case with foamX: Case Browser -> right click -> Create Case 
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==Synopsis==
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netgenNeutralToFoam [OPTIONS] FILEMESH
  
3. Convert the mesh file to openFoam: $ netgenNeutralToFoam <root> <caseName> (Path) <meshFile>
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==Description==
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Convert a mesh file FILEMESH created by Netgen v4.4 to foam format.
  
example: netgenNeutralToFoam /home/user test /home/user/OpenFOAM/Beispiele/ROHR
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'''-parallel'''
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:Run in parallel
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'''-roots''' ''"(DIR1 [...DIRN])"''
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:Directories in which the data are distributed
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'''-case''' ''DIR''
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:Execute the command on the case directory ''DIR''. If not provided, use the current directory
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'''-noFunctionObjects'''
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:Skip the execution of the [[functionObjects]]
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'''-help'''
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:Display the help and exit
  
4. Edit the boundary file and set proper names. That is, change patch by wall, inlet, etc
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==Step by step example==
 
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Import a mesh generated by Netgen ([http://www.hpfem.jku.at/netgen/index.html]) to OpenFOAM.
5. In FoamX: Edit the field dictionary and save.
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6. Before the case is run it is a good idea to view the mesh to check for any errors. The  
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# Export the file from netgen as neutral file.
mesh is viewed in paraFoam, the post-processing tool supplied with OpenFOAM. The paraFoam  
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# Create a new case with foamX: Case Browser -> right click -> Create Case 
post-processing is started by typing at a command prompt paraFoam <root> <case> This
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# Convert the mesh file to openFoam: $ netgenNeutralToFoam <root> <caseName> (Path) <meshFile> example: netgenNeutralToFoam /home/user test /home/user/OpenFOAM/Beispiele/ROHR
launches the ParaView window
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# Edit the boundary file and set proper names. That is, change patch by wall, inlet, etc
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# In FoamX: Edit the field dictionary and save.
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# Before the case is run it is a good idea to view the mesh to check for any errors. The mesh is viewed in paraFoam, the post-processing tool supplied with OpenFOAM. The paraFoam post-processing is started by typing at a command prompt paraFoam <root> <case> This launches the ParaView window.
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# The user should immediately click the Accept button which will bring up an image of the case geometry in the image display window.
  
7. The user should immediately click the Accept button which will bring up an image of the
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[[Category:Mesh conversion utilities]]
case geometry in the image display window.
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Latest revision as of 09:19, 24 August 2012

1 Name

netgenNeutralToFoam - Converts neutral file format as written by Netgen v4.4

Valid versions: OF Version 21.png

2 Synopsis

netgenNeutralToFoam [OPTIONS] FILEMESH

3 Description

Convert a mesh file FILEMESH created by Netgen v4.4 to foam format.

-parallel

Run in parallel

-roots "(DIR1 [...DIRN])"

Directories in which the data are distributed

-case DIR

Execute the command on the case directory DIR. If not provided, use the current directory

-noFunctionObjects

Skip the execution of the functionObjects

-help

Display the help and exit

4 Step by step example

Import a mesh generated by Netgen ([1]) to OpenFOAM.

  1. Export the file from netgen as neutral file.
  2. Create a new case with foamX: Case Browser -> right click -> Create Case
  3. Convert the mesh file to openFoam: $ netgenNeutralToFoam <root> <caseName> (Path) <meshFile> example: netgenNeutralToFoam /home/user test /home/user/OpenFOAM/Beispiele/ROHR
  4. Edit the boundary file and set proper names. That is, change patch by wall, inlet, etc
  5. In FoamX: Edit the field dictionary and save.
  6. Before the case is run it is a good idea to view the mesh to check for any errors. The mesh is viewed in paraFoam, the post-processing tool supplied with OpenFOAM. The paraFoam post-processing is started by typing at a command prompt paraFoam <root> <case> This launches the ParaView window.
  7. The user should immediately click the Accept button which will bring up an image of the case geometry in the image display window.