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Refining of triangular meshes and creation of a fractal mesh

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Old   July 7, 2017, 03:23
Default Refining of triangular meshes and creation of a fractal mesh
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I am a new user of OpenFOAM. I have two questions.

1. I am working on a 2d geometry and I have used the command refineMesh -overwrite to refine a rectangular/quadrilaterial mesh. But when I try to refine a triangular mesh using the same command, it does not work. So is it possible to refine a triangular mesh?

2. I want to create a mesh for the following structure. It is a structure whose cross-section is a square Sierpinski fractal carpet and projected in the third dimension. Note this is not a menger sponge. Please see this picture carefully

Any help will be highly appreciated.
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fractal, mesh generation problem, refining mesh

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