Cells Tagging for Adaptive Mesh Refinement


REQUIREMENTS:

        Based on some gradient indicators or error estimators, we may tag some cells to be refined for the next finer level grid. The interlevel boundary cells can not be refined since we require that a fine level grid is properly nested within its parent level grid. In order to bound the interesting phenomenon within fine level grids, a layer of buffer cells should also be tagged as refine-required.



 
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