Hi Etienne,

yes, this is what we do. Can you give more details on why/when this is problematic?

Kind regards
Bernd

On 03/21/2016 10:48 AM, Etienne Ahusborde wrote:
Dear DuMuX Community,

With my colleagues, we would like to know how Dumux treats the computation of the convective flux at the interface of two heterogeneous
media for the implicit scheme.
It seems that for the absolute permeability, an harmonic mean is used while for the mobility, a weighted upwinding is used (with by default mobilityUpwindWeight_=1 in dumux/imlicit/common/implicitdarcyfluxvariables.hh). We wonder if an other specific treatment is performed since upwinding can produce non-physical solutions.

Thanks in advance for precisions.

Best regards

Etienne

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Bernd Flemisch                         phone: +49 711 685 69162
IWS, Universität Stuttgart             fax:   +49 711 685 60430
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