[Dune] [#442] Periodic boundary conditions in YaspGrid don't work

Dune dune at dune-project.org
Thu Oct 30 16:51:23 CET 2008


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FS#442 - Periodic boundary conditions in YaspGrid don't work
User who did this - Christian Engwer (christi)

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Martin, I belive you are mistaken. If you consider the following case

seq Grid global ids:
  vertizes:   cells:
  0---1---2   |-0---1-|

the periodic grid with overlap 1 give the following ids:
  cells:
  1-|-0---1-|-0

from the definition of the global id I'd expect the following ids for the vertizes:
  vertizes:
  --0---1---0--

the periodic vertizes don't need to be flaged, as your communication couples vertizes with the same global id, but if the global id is not the same, then you would still have a problem. And why should the global id of the copied cells be the same, but not the global id of the copied vertizes?

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