full cell stencil with parallelisation
I'm trying to get the cell centered values surrounding an arbitrary given cell in a certain volField, i.e. volVectorField U. First I have used a search algorithm that finds for a given cell all neighbour cells and returns the cell values but all in all, it's not working in parallel due to missing diagonal dependencies in the mesh.
Afterwards, I got a hint that the extendedStencil stuff could possibly be used for this. So I'm trying to make it work but ...hmm ... no success till now (especially not in parallel).
So I would be grateful for suggestions how to solve this messy problem! Maybe somebody has already done this or has some experience with the stencil stuff.
While I don't have much experience in this matter, there is an extended stencil implementation of leastSquares here:
You might be able to gain some insight if you haven't already checked it out.
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