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How to define Inlet and Outlet for a pipe before meshing and simulating in OpenFOAM?

Hi everyone,

I've been trying to run a laminar flow case in a pipe consisting of cylindrical particles. I use blender to create my geometry and export the .stl files to my OpenFOAM case. I define inlet and outlet faces before exporting the stl files in blender. But OpenFOAM doesn't seem to recognize that. Kindly help me on what to do about this. Thank you.

Regards,

Lakshmi


OpenFOAM 22-06-22, 12:52 p.m. LakshmiIC35134
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Export the boundaries as separate stlfiles. Correlate the stl with the boundary name of choice in openFoam through snappyHexMeshDict. Example:
geometry
{
pipeWall.stl //name of the stl
{
type triSurfaceMesh;
name pipeWall; //name you have picked to be used in openfoam
}
outlet.stl
{
type triSurfaceMesh;
name outlet;
}
inlet.stl
{
type triSurfaceMesh;
name inlet;
}
};

More information can be found here: https://cfd.direct/openfoam/user-guide/v8-snappyhexmesh/ Regards Ashuthosh CFD-Team, FOSSEE
22-06-22, 1:40 p.m. Ashuthosh

Thank you for the reply. Any idea on how to export vertices as separate .stl files in blender? Kindly let know. 


29-06-22, 7:45 p.m. LakshmiIC35134

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