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Creating patches in OpenFOAM

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Old   February 3, 2020, 08:08
Default Creating patches in OpenFOAM
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Shahid Khan
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I have a geometry of human airway tree. I have done the meshing using snappyhexmesh flange tutorial. Now I need to create patches to define boundary conditions.
When I am doing 'autopatch' it is creating too many surfaces which I don't need. I need patches only at trachea inlet and outlet.
Please help me in solving the issue.
I am attaching mesh for your convenience.

Screenshot from 2020-02-03 17-35-52.jpg
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Old   February 5, 2020, 02:46
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Niels Nielsen
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Hi

Use paraview to select the cells you want to use and export to stl.

Then use surfaceToPatch command to make the stl into a boundary condition.

See this post.

Splitting the Boundaries
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