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compute rock fraction

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Tor Harald Sandve 2023-03-27 15:50:15 +02:00
parent 467b88644e
commit 0cfb40d660
2 changed files with 25 additions and 0 deletions
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14
ebos/eclgenericproblem.cc
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@ -347,6 +347,20 @@ porosity(unsigned globalSpaceIdx, unsigned timeIdx) const
return this->referencePorosity_[timeIdx][globalSpaceIdx];
}
template<class GridView, class FluidSystem, class Scalar>
Scalar EclGenericProblem<GridView,FluidSystem,Scalar>::
rockFraction(unsigned elementIdx, unsigned timeIdx) const
{
const auto& fp = eclState_.fieldProps();
const std::vector<double>& poro = fp.get_double("PORO");
// the reference porosity is defined as the accumulated pore volume divided by the
// geometric volume of the element. Note that it can
// be larger than 1.0 if porevolume multipliers are used
// to for instance implement larger boundary cells
Scalar porosity = poro[elementIdx];
return referencePorosity(elementIdx, timeIdx) / porosity * (1 - porosity);
}
template<class GridView, class FluidSystem, class Scalar>
template<class T>
void EclGenericProblem<GridView,FluidSystem,Scalar>::

11
ebos/eclgenericproblem.hh
View File

@ -138,6 +138,17 @@ public:
Scalar referencePorosity(unsigned elementIdx, unsigned timeIdx) const
{ return referencePorosity_[timeIdx][elementIdx]; }
/*!
* \brief Returns the rockFraction of an element
*
* Usually 1 - porosity, but if pvmult is used to modify porosity
* we will apply the same multiplier to the rock fraction
* i.e. pvmult*(1 - porosity) and thus interpret multpv as a volume
* multiplier. This is to avoid negative rock volume for pvmult*porosity > 1
*/
Scalar rockFraction(unsigned elementIdx, unsigned timeIdx) const;
/*!
* \brief Sets the porosity of an element
*