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PAPER: Local Uniform Stencil (LUST) boundary condition for arbitrary 3-D boundaries in parallel....

Recent paper led by SPH Manchester group, looking into better choices for stencils for imposing solid BCs.

https://www.sciencedirect.com/science/article/pii/S0045793019301859?via=ihub#sec0003

For this kind of treatment I always have the concern of how well these algorithms work when increasing/decreasing the number of neighbours, equivalent to changing Delta x/h (set to 0.5 in all cases in this paper).

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