On 10/25/2016 01:36 PM, Retired Replicant. wrote:
It seems to me that the specification of the flux out is not correct. In
principle, instead of the Qout, one should specifiy a fixed head or
temperature and the flux should adjust itself acoordingly.
You are asking a modeling question: how do I properly describe a particular
situation? But it is not clear to me (or Daniel, judging from his answers)
what this situation is supposed to be. What he is saying is that there is no
problem *mathematically* with what you are trying to do (with the exception of
the fact that the solution is only determined up to a constant). What you are
asking is whether the prescribed boundary condition makes sense *physically*,
but that is a separate question.
Best
W.
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Wolfgang Bangerth email: [email protected]
www: http://www.math.colostate.edu/~bangerth/
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