Importing mesh files to OpenFOAM: is obj format viable?
Ok, so first of all I'm still a newbie in the whole CFD realm. For importing & exporting meshes into and from OpenFOAM, I have two questions:
1. Is the obj format a viable format to carry 3D mesh data? 2. If it is, then how (and I will need detailed instructions :D) do I import a mesh in obj format to OF? 3. If it is only for surface meshes, could I still import it to OF, then use snappyhexmesh to do the volume meshing? Reason I'm asking is that I can import mesh files from CCM+ (I know about the conversion tool, but that's for another thread) as wrl files that Mesh lab recognizes, and then does import it to obj. Thanks in advance. |
Check the motorbike tutorial ($FOAM_TUTORIALS/incompressible/simpleFoam/motorBike/ directory)
It pools the geometry from zipped .obj (motorBike.obj.gz) file in the "$FOAM_TUTORIALS/resources/geometry" directory. After it is copied by the "Allrun" script into the trimesh directory, the snappyHexMesh calls it: Code:
geometry |
Thanks, I'll try that and report. I just want to mention that by comparing the mesh properties on the obj & wrl files with those from the original sim file, it is clear that the imported meshes on both wrl & obj files have way less elements indicating they are only surface meshes.
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Some external tools require the STL file format. Use the OF tool surfaceConvert to convert between a variety of formats when necessary.
Cutter |
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