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ebos: take capillary pressure into account for the initial condition

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strangely enough, this leads to slightly worse convergence for SPE9 on
my machine (19.0 vs. 16.8 seconds runtime). Nevertheless this is
definitely "more correct" from a physical point of view.
This commit is contained in:
Andreas Lauser 2015-02-11 16:52:41 +01:00
parent d6aeda60e9
commit a128ee223a
1 changed files with 22 additions and 5 deletions
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27
applications/ebos/eclproblem.hh
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@ -1035,12 +1035,17 @@ private:
- gasSaturationData[cartesianDofIdx]); - gasSaturationData[cartesianDofIdx]);
////// //////
// set pressures // set phase pressures
////// //////
Scalar oilPressure = pressureData[cartesianDofIdx]; Scalar oilPressure = pressureData[cartesianDofIdx];
for (int phaseIdx = 0; phaseIdx < numPhases; ++phaseIdx) {
dofFluidState.setPressure(phaseIdx, oilPressure); // this assumes that capillary pressures only depend on the phase saturations
} // and possibly on temperature. (this is always the case for ECL problems.)
Scalar pc[numPhases];
const auto& matParams = materialLawParams_(dofIdx);
MaterialLaw::capillaryPressures(pc, matParams, dofFluidState);
for (int phaseIdx = 0; phaseIdx < numPhases; ++phaseIdx)
dofFluidState.setPressure(phaseIdx, oilPressure + (pc[phaseIdx] - pc[oilPhaseIdx]));
Scalar gasPressure = dofFluidState.pressure(gasPhaseIdx); Scalar gasPressure = dofFluidState.pressure(gasPhaseIdx);
////// //////
@ -1062,7 +1067,11 @@ private:
// //
// first, retrieve the relevant black-oil parameters from // first, retrieve the relevant black-oil parameters from
// the fluid system. // the fluid system.
Scalar RsSat = FluidSystem::gasDissolutionFactor(temperature, oilPressure, /*regionIdx=*/0); //
// note that we use the gas pressure here. this is because the primary
// varibles and the intensive quantities of the black oil model also do
// this...
Scalar RsSat = FluidSystem::gasDissolutionFactor(temperature, gasPressure, /*regionIdx=*/0);
Scalar RsReal = (*rsData)[cartesianDofIdx]; Scalar RsReal = (*rsData)[cartesianDofIdx];
if (RsReal > RsSat) { if (RsReal > RsSat) {
@ -1135,6 +1144,14 @@ private:
} }
} }
const MaterialLawParams& materialLawParams_(int globalDofIdx) const
{
int tableIdx = 0;
if (materialParamTableIdx_.size() > 0)
tableIdx = materialParamTableIdx_[globalDofIdx];
return materialParams_[tableIdx];
}
std::vector<Scalar> porosity_; std::vector<Scalar> porosity_;
std::vector<DimMatrix> intrinsicPermeability_; std::vector<DimMatrix> intrinsicPermeability_;
EclTransmissibility<TypeTag> transmissibilities_; EclTransmissibility<TypeTag> transmissibilities_;