view +grid/boundaryIdentifier.txt @ 796:aa1ed37a1b56 feature/poroelastic

Remove hack in multiblock/DiffOp that was used with cell penalties.
author Martin Almquist <malmquist@stanford.edu>
date Wed, 25 Jul 2018 18:53:07 -0700
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.