classy_blocks Tutorial Part 6: Curves

This is the 5th part of the classy_blocks tutorial. Its contents are rather advanced-ish so before you dive into it you should really know the basics first. This article is a preparation chapter for the next sort-of-serious tutorial, optimization. But First, a Pep Talk (Which you can easily skip if you’re motivated enough already) Alas, we do not

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blockMesh for External Flows

The Old-Fashioned blockMesh BlockMesh is the weapon of choice for directly generating rather simple meshes of channels, pipes, 2D-stuff etc. Those are mostly internal flows. With external flows, life gets tough much quicker. Consider a very simple case of a 3D flow past a cube. You now need this many blocks: But the cube itself

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