I'll implement it and I'll test the case

Q1      Nothing
Nothing   Q1

for the case

Q1      Nothing
Nothing   Q2

I'm not sure (I've to read the code) what I need for imposing the fluxes
on both sides having Q1 on one and Q2 on the other side.

I'll see and let you know.




>> In the nonsymmetric case, for example:
>>
>> <Q1-Nothing>--<Nothing-Q2>,
>
> I think this should work just as in the symmetric case: the returned value
> should be no_requirements because each of the pairs
>   Q1 Nothing
>   Nothing Q2
> returns no_requirements.
>
> The only cases that won't work (and for which I have no solution anyway)
> are
> cases like
>   <Q1 Q2> -- <Q2 Q1>
>
> Do you want to see if you could implement such a scheme, starting in the
> FiniteElementDomination namespace, FE_Nothing/FE_Q and then FESystem
> classes?
>
> Best
>  W.
>
> -------------------------------------------------------------------------
> Wolfgang Bangerth                email:            [email protected]
>                                  www: http://www.math.tamu.edu/~bangerth/
>


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