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91 lines
2.8 KiB
C++
91 lines
2.8 KiB
C++
/*
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Copyright 2015 Andreas Lauser
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This file is part of the Open Porous Media project (OPM).
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OPM is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OPM is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OPM. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef OPM_EXPLICIT_ARRAYS_FLUID_STATE_HEADER_INCLUDED
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#define OPM_EXPLICIT_ARRAYS_FLUID_STATE_HEADER_INCLUDED
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#include <opm/core/simulator/BlackoilState.hpp>
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namespace Opm
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{
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/*!
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* \brief This is a fluid state which translates global arrays and translates them to a
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* subset of the fluid state API.
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*
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* This class is similar to Opm::BlackoilStateToFluidState.
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*/
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class ExplicitArraysFluidState
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{
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public:
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typedef double Scalar;
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enum { numPhases = BlackoilPhases::MaxNumPhases };
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explicit ExplicitArraysFluidState(const PhaseUsage& phaseUsage)
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: phaseUsage_(phaseUsage)
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{}
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/*!
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* \brief Sets the currently used array index.
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*
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* After calling this, the values returned by the other methods are specific for this
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* index.
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*/
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void setIndex(unsigned arrayIdx)
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{
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int np = phaseUsage_.num_phases;
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for (int phaseIdx = 0; phaseIdx < BlackoilPhases::MaxNumPhases; ++phaseIdx) {
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if (!phaseUsage_.phase_used[phaseIdx]) {
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sats_[phaseIdx] = 0.0;
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}
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else {
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sats_[phaseIdx] = saturations_[np*arrayIdx + phaseUsage_.phase_pos[phaseIdx]];
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}
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}
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}
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/*!
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* \brief Set the array containing the phase saturations.
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*
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* This array is supposed to be of size numPhases*size and is not allowed to be
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* deleted while the ExplicitArraysFluidState object is alive. This class assumes
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* that the saturations of all phase saturations for a point are consequtive, i.e.,
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* in the array the saturations cycle fastest.
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*/
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void setSaturationArray(const double* saturations)
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{ saturations_ = saturations; }
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/*!
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* \brief Returns the saturation of a phase for the current cell index.
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*/
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Scalar saturation(int phaseIdx) const
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{ return sats_[phaseIdx]; }
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// TODO (?) temperature, pressure, composition, etc
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private:
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const PhaseUsage phaseUsage_;
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const double* saturations_;
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std::array<Scalar, BlackoilPhases::MaxNumPhases> sats_;
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};
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} // namespace Opm
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#endif // OPM_SIMULATORTIMER_HEADER_INCLUDED
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