Elena, On Tuesday, May 16, 2017 at 7:19:08 AM UTC-4, Elena Greco wrote: > > May be it would be better to edit my question and remove the "cylinder" > part, but I do not have access to modify the question. > Please consider my question for a general case of a geometry with multiple > boundary indicators and different BCs on them. > You should first tag the boundaries with boundary indicators and then use http://dealii.org/8.5.0/doxygen/deal.II/group__constraints.html#gaa96810fcf5053e0bf08785aa53bfd6cc The map associates a boundary ID to a function and you can have as many functions as you want.
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