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Generating 3-D axisymmetric mesh using extrudeMesh

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Old   August 2, 2012, 09:13
Question Generating 3-D axisymmetric mesh using extrudeMesh
Hugh Ingham
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Hi guys,

I am modelling an axisymmetric jet and would like to use extrudeMesh to convert a 2-D mesh into 3-D. I created a 2-D mesh in Fluent then used fluentMeshToFoam to convert it. I would now like to revolve this 2-D mesh 45 degrees about a symmetry axis, effectively making a 1/8th section.
The problem is I can't get extrudeMesh to work. It comes up with the following message:

cannot open file

file: /home/hugh/OpenFOAM/hugh-2.1.0/3d/jet_3d_extrude/system/extrudeMeshDict at line 0.

From function regIOobject::readStream()
in file db/regIOobject/regIOobjectRead.C at line 87.

I have looked at other threads and they say to run extrudeMesh from a separate directory to that which your 2-D mesh is stored and then call the 2-D directory in your extrudeMeshDict. I have done this but it still doesn't work. Could someone please help me!


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Old   August 3, 2012, 11:19
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It looks like it can't find or open your extrudeMeshDict at all. What directory are you executing extrudeMesh from?

If your extrudeMeshDict is located at:

then you should be able to run extrudeMesh from

Otherwise you might have file ownership properties. Maybe try
chmod 700 extrudeMeshDict
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axisymmetric mesh, extrudemesh

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