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Principle/maths behind blockMesh

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Old   November 3, 2015, 12:12
Default Principle/maths behind blockMesh
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Dear all,

I am trying to mesh a varying cross-section (de Laval) nozzle using blockMesh but the circular arcs are not properly scaled along the length of the nozzle. This problem has been raised and discussed here:

I am not too sure if there has been a fix already but in any case, I would like to know how blockMesh works. In particular, I want to understand the code in 'src/mesh/blockMesh/block/blockCreate.C'.

I have tried to search for relevant papers but no success. So, if you know the maths involved, please point me in the right direction.

Thanks in advance!

PS: I have already posted this question in but I'm starting this new thread to reach more people.
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