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108 lines
3.6 KiB
C++
108 lines
3.6 KiB
C++
/*
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Copyright 2012 SINTEF ICT, Applied Mathematics.
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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_PVTPROPERTIESBASIC_HEADER_INCLUDED
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#define OPM_PVTPROPERTIESBASIC_HEADER_INCLUDED
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#include <opm/core/utility/parameters/ParameterGroup.hpp>
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#include <opm/core/props/BlackoilPhases.hpp>
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#include <vector>
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namespace Opm
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{
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/// Class collecting simple pvt properties for 1-3 phases.
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/// All phases are incompressible and have constant viscosities.
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/// For all the methods, the following apply: p and z are unused.
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/// Output arrays shall be of size n*numPhases(), and must be valid
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/// before calling the method.
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/// NOTE: This class is intentionally similar to BlackoilPvtProperties.
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class PvtPropertiesBasic
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{
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public:
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/// Default constructor.
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PvtPropertiesBasic();
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/// Initialize from parameters.
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/// The following parameters are accepted (defaults):
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/// - num_phases (2) -- Must be 1, 2 or 3.
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/// - rho1, rho2, rho3 (1.0e3) -- Density in kg/m^3
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/// - mu1, mu2, mu3 (1.0) -- Viscosity in cP
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void init(const parameter::ParameterGroup& param);
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/// Initialize from arguments.
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/// Basic multi phase fluid pvt properties.
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void init(const int num_phases,
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const std::vector<double>& rho,
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const std::vector<double>& visc);
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/// Number of active phases.
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int numPhases() const;
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/// \return Object describing the active phases.
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PhaseUsage phaseUsage() const;
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/// Densities of stock components at surface conditions.
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/// \return Array of size numPhases().
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const double* surfaceDensities() const;
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/// Viscosity as a function of p and z.
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void mu(const int n,
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const double* p,
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const double* z,
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double* output_mu) const;
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/// Formation volume factor as a function of p and z.
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void B(const int n,
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const double* p,
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const double* z,
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double* output_B) const;
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/// Formation volume factor and p-derivative as functions of p and z.
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void dBdp(const int n,
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const double* p,
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const double* z,
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double* output_B,
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double* output_dBdp) const;
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/// Solution factor as a function of p and z.
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void R(const int n,
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const double* p,
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const double* z,
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double* output_R) const;
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/// Solution factor and p-derivative as functions of p and z.
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void dRdp(const int n,
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const double* p,
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const double* z,
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double* output_R,
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double* output_dRdp) const;
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private:
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std::vector<double> density_;
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std::vector<double> viscosity_;
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std::vector<double> formation_volume_factor_;
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};
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}
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#endif // OPM_PVTPROPERTIESBASIC_HEADER_INCLUDED
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