mirror of
https://github.com/OPM/opm-simulators.git
synced 2024-12-29 10:40:59 -06:00
265 lines
10 KiB
C++
265 lines
10 KiB
C++
/*
|
|
Copyright 2021, Equinor
|
|
|
|
This file is part of the Open Porous Media Project (OPM).
|
|
|
|
OPM is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
OPM is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with OPM. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef OPM_REGIONAVERAGECALCULATOR_HPP_HEADER_INCLUDED
|
|
#define OPM_REGIONAVERAGECALCULATOR_HPP_HEADER_INCLUDED
|
|
|
|
#include <opm/core/props/BlackoilPhases.hpp>
|
|
#include <opm/simulators/wells/RegionAttributeHelpers.hpp>
|
|
#include <opm/simulators/utils/DeferredLoggingErrorHelpers.hpp>
|
|
|
|
#include <dune/grid/common/gridenums.hh>
|
|
#include <algorithm>
|
|
#include <cmath>
|
|
#include <memory>
|
|
#include <stdexcept>
|
|
#include <type_traits>
|
|
#include <unordered_map>
|
|
#include <utility>
|
|
#include <vector>
|
|
/**
|
|
* \file
|
|
* Facility for converting component rates at surface conditions to
|
|
* phase (voidage) rates at reservoir conditions.
|
|
*
|
|
* This uses the average hydrocarbon pressure to define fluid
|
|
* properties. The facility is intended to support Reservoir Voidage
|
|
* rates only ('RESV').
|
|
*/
|
|
|
|
namespace Opm {
|
|
namespace RegionAverageCalculator {
|
|
|
|
/**
|
|
* Computes hydrocarbon weighed average pressures over regions
|
|
*
|
|
* \tparam FluidSystem Fluid system class. Expected to be a BlackOilFluidSystem
|
|
*
|
|
* \tparam Region Type of a forward region mapping. Expected
|
|
* to provide indexed access through \code operator[]()
|
|
* \endcode as well as inner types \c value_type, \c
|
|
* size_type, and \c const_iterator. Typically \code
|
|
* std::vector<int> \endcode.
|
|
*/
|
|
template <class FluidSystem, class Region>
|
|
class AverageRegionalPressure {
|
|
public:
|
|
/**
|
|
* Constructor.
|
|
*
|
|
* \param[in] region Forward region mapping. Often
|
|
* corresponds to the "FIPNUM" mapping of an ECLIPSE input
|
|
* deck.
|
|
*/
|
|
AverageRegionalPressure(const PhaseUsage& phaseUsage,
|
|
const Region& region)
|
|
: phaseUsage_(phaseUsage)
|
|
, rmap_ (region)
|
|
, attr_ (rmap_, Attributes())
|
|
{
|
|
}
|
|
|
|
|
|
/**
|
|
* Compute pore volume averaged hydrocarbon state pressure, *
|
|
*/
|
|
template <typename ElementContext, class EbosSimulator>
|
|
void defineState(const EbosSimulator& simulator)
|
|
{
|
|
|
|
|
|
int numRegions = 0;
|
|
const auto& gridView = simulator.gridView();
|
|
const auto& comm = gridView.comm();
|
|
for (const auto& reg : rmap_.activeRegions()) {
|
|
numRegions = std::max(numRegions, reg);
|
|
}
|
|
numRegions = comm.max(numRegions);
|
|
for (int reg = 1; reg <= numRegions ; ++ reg) {
|
|
if(!attr_.has(reg))
|
|
attr_.insert(reg, Attributes());
|
|
}
|
|
// create map from cell to region
|
|
// and set all attributes to zero
|
|
for (int reg = 1; reg <= numRegions ; ++ reg) {
|
|
auto& ra = attr_.attributes(reg);
|
|
ra.pressure = 0.0;
|
|
ra.pv = 0.0;
|
|
|
|
}
|
|
|
|
// quantities for pore volume average
|
|
std::unordered_map<RegionId, Attributes> attributes_pv;
|
|
|
|
// quantities for hydrocarbon volume average
|
|
std::unordered_map<RegionId, Attributes> attributes_hpv;
|
|
|
|
for (int reg = 1; reg <= numRegions ; ++ reg) {
|
|
attributes_pv.insert({reg, Attributes()});
|
|
attributes_hpv.insert({reg, Attributes()});
|
|
}
|
|
|
|
ElementContext elemCtx( simulator );
|
|
const auto& elemEndIt = gridView.template end</*codim=*/0>();
|
|
OPM_BEGIN_PARALLEL_TRY_CATCH();
|
|
|
|
for (auto elemIt = gridView.template begin</*codim=*/0>();
|
|
elemIt != elemEndIt;
|
|
++elemIt)
|
|
{
|
|
|
|
const auto& elem = *elemIt;
|
|
if (elem.partitionType() != Dune::InteriorEntity)
|
|
continue;
|
|
|
|
elemCtx.updatePrimaryStencil(elem);
|
|
elemCtx.updatePrimaryIntensiveQuantities(/*timeIdx=*/0);
|
|
const unsigned cellIdx = elemCtx.globalSpaceIndex(/*spaceIdx=*/0, /*timeIdx=*/0);
|
|
const auto& intQuants = elemCtx.intensiveQuantities(/*spaceIdx=*/0, /*timeIdx=*/0);
|
|
const auto& fs = intQuants.fluidState();
|
|
// use pore volume weighted averages.
|
|
const double pv_cell =
|
|
simulator.model().dofTotalVolume(cellIdx)
|
|
* intQuants.porosity().value();
|
|
|
|
// only count oil and gas filled parts of the domain
|
|
double hydrocarbon = 1.0;
|
|
const auto& pu = phaseUsage_;
|
|
if (RegionAttributeHelpers::PhaseUsed::water(pu)) {
|
|
hydrocarbon -= fs.saturation(FluidSystem::waterPhaseIdx).value();
|
|
}
|
|
|
|
const int reg = rmap_.region(cellIdx);
|
|
assert(reg >= 0);
|
|
|
|
// sum p, rs, rv, and T.
|
|
const double hydrocarbonPV = pv_cell*hydrocarbon;
|
|
if (hydrocarbonPV > 0.) {
|
|
auto& attr = attributes_hpv[reg];
|
|
attr.pv += hydrocarbonPV;
|
|
if (RegionAttributeHelpers::PhaseUsed::oil(pu)) {
|
|
attr.pressure += fs.pressure(FluidSystem::oilPhaseIdx).value() * hydrocarbonPV;
|
|
} else {
|
|
assert(RegionAttributeHelpers::PhaseUsed::gas(pu));
|
|
attr.pressure += fs.pressure(FluidSystem::gasPhaseIdx).value() * hydrocarbonPV;
|
|
}
|
|
}
|
|
|
|
if (pv_cell > 0.) {
|
|
auto& attr = attributes_pv[reg];
|
|
attr.pv += pv_cell;
|
|
if (RegionAttributeHelpers::PhaseUsed::oil(pu)) {
|
|
attr.pressure += fs.pressure(FluidSystem::oilPhaseIdx).value() * pv_cell;
|
|
} else if (RegionAttributeHelpers::PhaseUsed::gas(pu)) {
|
|
attr.pressure += fs.pressure(FluidSystem::gasPhaseIdx).value() * pv_cell;
|
|
} else {
|
|
assert(RegionAttributeHelpers::PhaseUsed::water(pu));
|
|
attr.pressure += fs.pressure(FluidSystem::waterPhaseIdx).value() * pv_cell;
|
|
}
|
|
}
|
|
}
|
|
OPM_END_PARALLEL_TRY_CATCH("AverageRegionalPressure::defineState(): ", simulator.vanguard().grid().comm());
|
|
|
|
for (int reg = 1; reg <= numRegions ; ++ reg) {
|
|
auto& ra = attr_.attributes(reg);
|
|
const double hpv_sum = comm.sum(attributes_hpv[reg].pv);
|
|
// TODO: should we have some epsilon here instead of zero?
|
|
if (hpv_sum > 0.) {
|
|
const auto& attri_hpv = attributes_hpv[reg];
|
|
const double p_hpv_sum = comm.sum(attri_hpv.pressure);
|
|
ra.pressure = p_hpv_sum / hpv_sum;
|
|
} else {
|
|
// using the pore volume to do the averaging
|
|
const auto& attri_pv = attributes_pv[reg];
|
|
const double pv_sum = comm.sum(attri_pv.pv);
|
|
// pore volums can be zero if a fipnum region is empty
|
|
if (pv_sum > 0) {
|
|
const double p_pv_sum = comm.sum(attri_pv.pressure);
|
|
ra.pressure = p_pv_sum / pv_sum;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Region identifier.
|
|
*
|
|
* Integral type.
|
|
*/
|
|
typedef typename RegionMapping<Region>::RegionId RegionId;
|
|
|
|
/**
|
|
* Average pressure
|
|
*
|
|
*/
|
|
double
|
|
pressure(const RegionId r) const
|
|
{
|
|
if (r == 0 ) // region 0 is the whole field
|
|
{
|
|
double pressure = 0.0;
|
|
int num_active_regions = 0;
|
|
for (const auto& attr : attr_.attributes()) {
|
|
const auto& value = *attr.second;
|
|
const auto& ra = value.attr_;
|
|
pressure += ra.pressure;
|
|
num_active_regions ++;
|
|
}
|
|
return pressure / num_active_regions;
|
|
}
|
|
|
|
const auto& ra = attr_.attributes(r);
|
|
return ra.pressure;
|
|
}
|
|
|
|
|
|
private:
|
|
/**
|
|
* Fluid property object.
|
|
*/
|
|
const PhaseUsage phaseUsage_;
|
|
|
|
/**
|
|
* "Fluid-in-place" region mapping (forward and reverse).
|
|
*/
|
|
const RegionMapping<Region> rmap_;
|
|
|
|
/**
|
|
* Derived property attributes for each active region.
|
|
*/
|
|
struct Attributes {
|
|
Attributes()
|
|
: pressure(0.0)
|
|
, pv(0.0)
|
|
|
|
{}
|
|
|
|
double pressure;
|
|
double pv;
|
|
|
|
};
|
|
|
|
RegionAttributeHelpers::RegionAttributes<RegionId, Attributes> attr_;
|
|
|
|
};
|
|
} // namespace RegionAverageCalculator
|
|
} // namespace Opm
|
|
|
|
#endif /* OPM_REGIONAVERAGECALCULATOR_HPP_HEADER_INCLUDED */
|