On 11/29/23 09:23, Lance Zhang wrote:
//***********************************************************************************************************************************//
if(cell->at_boundary()){
continue;
}//to check whether the cell exists
I don't think this is what you want. Here, you are only asking whether
the cell has *any* faces that are at the boundary. But if you want to
know whether a cell has a neighbor across a certain face, you need to
ask whether the cell is at the boundary *at that particular face*.
Daniel's code does that.
Best
W.
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