OilfieldToolsNet/opm-simulators
4
0
Fork 0
mirror of https://github.com/OPM/opm-simulators.git synced 2025-02-25 18:55:30 -06:00
Code Issues Packages Projects Releases Wiki Activity

EclDefaultMaterial: produce something meaningful for krn()

Browse Source 
at least mathematically meaningful. whether it makes sense phyiscally
is still to be determined...
This commit is contained in:
Andreas Lauser
2013-11-15 17:10:48 +01:00
parent eb95c78cef
commit a4e3e771d7
1 changed files with 9 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
opm/material/fluidmatrixinteractions/EclDefaultMaterial.hpp
View File

@@ -264,21 +264,23 @@ public:
static Scalar krn(const Params &params,
const FluidState &fluidState)
{
Scalar Sw = fluidState.saturation(wPhaseIdx);
Scalar So = fluidState.saturation(oPhaseIdx);
Scalar Sg = fluidState.saturation(gPhaseIdx);
Scalar Sw = std::min(1.0, std::max(0.0, fluidState.saturation(wPhaseIdx)));
Scalar So = std::min(1.0, std::max(0.0, fluidState.saturation(oPhaseIdx)));
Scalar Sg = std::min(1.0, std::max(0.0, fluidState.saturation(gPhaseIdx)));
// connate water. According to the Eclipse TD, this is
// probably only relevant if hysteresis is enabled...
Scalar Swco = 0; // todo!
Scalar krog = GasOilMaterial::twoPhaseSatKrw(params.oilWaterParams(), So - Swco);
Scalar krog = GasOilMaterial::twoPhaseSatKrw(params.oilWaterParams(), So + Swco);
Scalar krow = OilWaterMaterial::twoPhaseSatKrn(params.oilWaterParams(), 1 - So);
if (Sg + Sw - Swco < 1e-30)
return 0; // avoid division by zero
else
return (So * krog + (Sw - Swco)*krow) / (Sg + Sw - Swco);
return 1.0; // avoid division by zero
else {
Scalar tmp = (Sg*krog + (Sw - Swco)*krow) / (Sg + Sw - Swco);
return std::min(1.0, std::max(0.0, tmp));
}
}
/*!