Multi-block geometry from blender
Blender seems to be a good tool for creating geometry for CFD before meshing.
Is it possible with Blender to create a geometry that consists of two blocks which share a common face? Either by splitting a volume or by extruding a face of a volume or by glueing two volumes together.
I hope this post is adequately placed in this forum. CFD people probably best understand why I would want such a geometry.
Thanks for your hints.
yes, this should be very easy. We use this approach to define geometries with multiple volumes (e.g. conjugate heat transfer) which are then meshed with enGrid.
To create such a geometry in Blender is straightforward and I am sure there is more than one viable method. If you know (learn) your way around Blender then it should be clear what needs to be done.
A different question is how you can use the geometry for meshing.
Thanks for your answer. I am used to more CFD-oriented CAD preprocessors like Gambit or ICEM where it is very simple to just split a block, insert vertices, faces etc.. It will take me some time to figure out how to do it in blender.
I appreciate that it is not strictly necessary to have a real multi-block domain since with OpenFOAM one can stitch together sub-meshes. I do, however, like the idea of having a "nice" mesh at internal faces.
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