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view +grid/boundaryIdentifier.txt @ 1221:0c906f7ab8bf rv_diffOp_test

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Attempt to reduce unnessecary operations when using the RV diffOps. Does not seem to improve efficiency at this stage.
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Tue, 05 Mar 2019 10:56:29 +0100
parents 763d50caddf3
children
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A grid.boundaryIdentifier identifies a boundary of a grid.
For a Cartesian grid it is simply 's', 'n', 'w', 'e'.
For a multiblock grid it might be something like {1, 's'}.
For some other grid it will be up to the developer to chose
a good way to identify boundaries.