On 07.02.19 16:56, Edscott Wilson wrote:
Hi Edscott,
Hello all,
I understand the the boundary type specification"outflow" has been
removed from the current version of DuMux.
that is correct. It was removed because the implementation wasn't
general enough. There is, to our knowledge, no general implementation
that works for all physics/equations and has the same semantics in all
cases.
I see that an outflow is now to be specified by constructiong the
element solution, evaluating the gradient and calculating the flux.
That's _one_ possibility of implementing an outflow boundary in case of
the box scheme.
In an example I see that the templates for elementSolution and
evalGradients are used.
I am quite sure that a similar approach can be used somehow in 2.12
if I knew exactly where to start looking. Am I right? If so, where
should I start looking?
Your question is unclear to me. Yes, you can do exactly the same as in
3.0 (why not?), except that you have to implement the evalGradients
function yourself. But you might end up with exactly the implementation
of the "outflow BC". If you are happy with outflow in 2.12, why would
you implement it in a different way in 2.12? Maybe you can reformulate
your question?
Timo
best regards,
Edscott
I
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Dr. Edscott Wilson Garcia
Reservoir Engineering
Mexican Petroleum Institute
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Timo Koch phone: +49 711 685 64676
IWS, Universität Stuttgart fax: +49 711 685 60430
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