> My problem is that I need to transfer the solutions between the two
> triangulations, and according to the documentation one should not rely on
> the assumption that two identical triangulations will be traversed in the
> same order by an iterator object.

True. In addition to Luca's suggestion, which makes it much more elegant, you 
could consider using the IntergridMap class that allows to get corresponding 
cell iterators on two meshes.

Best
 W.

-------------------------------------------------------------------------
Wolfgang Bangerth                email:            [email protected]
                                 www: http://www.math.tamu.edu/~bangerth/

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