[Dune] [#412] Capability for Communicatable Codimensions

[Dune]

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A new Flyspray task has been opened.  Details are below. 

User who did this - Martin Nolte (nolte) 

Attached to Project - Dune
Summary - Capability for Communicatable Codimensions
Task Type - Feature Request
Category - Grid
Status - Unconfirmed
Assigned To - 
Operating System - Unspecified / All
Severity - Low
Priority - Normal
Reported Version - SVN
Due in Version - Undecided
Due Date - Undecided
Details - A Parallel Grid is not required to be able to communicate all codimensions. An example would be YASPGrid, which can only communicate codimensions 0 and dim (because the entities are missing). There might be other grids only capable of communicating codimension 0 despite having entities for all codimensions.

For many numerical schemes like DG, FV or 1st order FEM it is totally sufficient to be able to communicate one codimension (here 0 respectively dimension).

My suggestion is to add a new capability (e.g., CanCommunicate< Grid, codim >), telling the user which codimensions can be communicated by the grid. Of course, one might add the redundant flag CanCommunicateAll for convenience (it is a few lines for codes using arbitrary dimension)

More information can be found at the following URL:
http://www.dune-project.org/flyspray/index.php?do=details&task_id=412

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