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https://github.com/OPM/opm-simulators.git
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d36d7e81cb
this has the nice side effect that non-uniform temperature fields also become supported as long as they are "impressed" externally...
237 lines
9.5 KiB
C++
237 lines
9.5 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_TRANSPORTSOLVERTWOPHASECOMPRESSIBLEPOLYMER_HEADER_INCLUDED
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#define OPM_TRANSPORTSOLVERTWOPHASECOMPRESSIBLEPOLYMER_HEADER_INCLUDED
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#include <opm/polymer/PolymerProperties.hpp>
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#include <opm/core/transport/reorder/ReorderSolverInterface.hpp>
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#include <opm/core/utility/linearInterpolation.hpp>
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#include <vector>
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#include <list>
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struct UnstructuredGrid;
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namespace {
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class ResSOnCurve;
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class ResCOnCurve;
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}
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namespace Opm
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{
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class BlackoilPropertiesInterface;
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/// Implements a reordering transport solver for incompressible two-phase flow
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/// with polymer in the water phase.
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/// \TODO Include permeability reduction effect.
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class TransportSolverTwophaseCompressiblePolymer : public ReorderSolverInterface
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{
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public:
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enum SingleCellMethod { Bracketing, Newton, NewtonC, Gradient};
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enum GradientMethod { Analytic, FinDif }; // Analytic is chosen (hard-coded)
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/// Construct solver.
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/// \param[in] grid A 2d or 3d grid.
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/// \param[in] props Rock and fluid properties.
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/// \param[in] polyprops Polymer properties.
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/// \param[in] rock_comp Rock compressibility properties
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/// \param[in] method Bracketing: solve for c in outer loop, s in inner loop,
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/// each solve being bracketed for robustness.
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/// Newton: solve simultaneously for c and s with Newton's method.
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/// (using gradient variant and bracketing as fallbacks).
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/// \param[in] tol Tolerance used in the solver.
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/// \param[in] maxit Maximum number of non-linear iterations used.
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TransportSolverTwophaseCompressiblePolymer(const UnstructuredGrid& grid,
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const BlackoilPropertiesInterface& props,
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const PolymerProperties& polyprops,
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const SingleCellMethod method,
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const double tol,
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const int maxit);
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/// Set the preferred method, Bracketing or Newton.
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void setPreferredMethod(SingleCellMethod method);
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/// Solve for saturation, concentration and cmax at next timestep.
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/// Using implicit Euler scheme, reordered.
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/// \param[in] darcyflux Array of signed face fluxes.
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/// \param[in] initial_pressure Array with pressure at start of timestep.
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/// \param[in] pressure Array with pressure.
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/// \param[in] temperature Array with temperature.
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/// \param[in] porevolume0 Array with pore volume at start of timestep.
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/// \param[in] porevolume Array with pore volume.
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/// \param[in] source Transport source term, to be interpreted by sign:
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/// (+) Inflow, value is first phase flow (water)
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/// per second, in *surface* volumes (unlike the
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/// incompressible version).
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/// (-) Outflow, value is total flow of all phases
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/// per second, in reservoir volumes.
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/// \param[in] polymer_inflow_c Array of inflow polymer concentrations per cell.
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/// \param[in] dt Time step.
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/// \param[in, out] saturation Phase saturations.
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/// \param[in, out] surfacevol Surface volumes.
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/// \param[in, out] concentration Polymer concentration.
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/// \param[in, out] cmax Highest concentration that has occured in a given cell.
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void solve(const double* darcyflux,
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const std::vector<double>& initial_pressure,
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const std::vector<double>& pressure,
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const std::vector<double>& temperature,
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const double* porevolume0,
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const double* porevolume,
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const double* source,
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const double* polymer_inflow_c,
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const double dt,
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std::vector<double>& saturation,
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std::vector<double>& surfacevol,
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std::vector<double>& concentration,
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std::vector<double>& cmax);
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/// Initialise quantities needed by gravity solver.
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/// \param[in] grav Gravity vector
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void initGravity(const double* grav);
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/// Solve for gravity segregation.
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/// This uses a column-wise nonlinear Gauss-Seidel approach.
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/// It assumes that the input columns contain cells in a single
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/// vertical stack, that do not interact with other columns (for
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/// gravity segregation.
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/// \param[in] columns Vector of cell-columns.
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/// \param[in] dt Time step.
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/// \param[in, out] saturation Phase saturations.
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/// \param[in, out] surfacevol Surface volumes.
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/// \param[in, out] concentration Polymer concentration.
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/// \param[in, out] cmax Highest concentration that has occured in a given cell.
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void solveGravity(const std::vector<std::vector<int> >& columns,
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const double dt,
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std::vector<double>& saturation,
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std::vector<double>& surfacevol,
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std::vector<double>& concentration,
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std::vector<double>& cmax);
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private:
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const UnstructuredGrid& grid_;
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const BlackoilPropertiesInterface& props_;
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const PolymerProperties& polyprops_;
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const double* darcyflux_; // one flux per grid face
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const double* porevolume0_; // one volume per cell
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const double* porevolume_; // one volume per cell
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const double* source_; // one source per cell
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const double* polymer_inflow_c_;
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double dt_;
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double tol_;
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double maxit_;
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SingleCellMethod method_;
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double adhoc_safety_;
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std::vector<double> saturation_; // one per cell, only water saturation!
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std::vector<int> allcells_;
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double* concentration_;
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double* cmax_;
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std::vector<double> fractionalflow_; // one per cell
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std::vector<double> mc_; // one per cell
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std::vector<double> visc_; // viscosity (without polymer, for given pressure)
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std::vector<double> A_;
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std::vector<double> A0_;
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std::vector<double> smin_;
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std::vector<double> smax_;
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// For gravity segregation.
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const double* gravity_;
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std::vector<double> trans_;
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std::vector<double> density_;
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std::vector<double> gravflux_;
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std::vector<double> mob_;
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std::vector<double> cmax0_;
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// For gravity segregation, column variables
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std::vector<double> s0_;
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std::vector<double> c0_;
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// Storing the upwind and downwind graphs for experiments.
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std::vector<int> ia_upw_;
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std::vector<int> ja_upw_;
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std::vector<int> ia_downw_;
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std::vector<int> ja_downw_;
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struct ResidualC;
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struct ResidualS;
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class ResidualCGrav;
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class ResidualSGrav;
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class ResidualEquation;
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class ResSOnCurve;
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class ResCOnCurve;
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friend class TransportSolverTwophaseCompressiblePolymer::ResidualEquation;
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friend class TransportSolverTwophaseCompressiblePolymer::ResSOnCurve;
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friend class TransportSolverTwophaseCompressiblePolymer::ResCOnCurve;
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virtual void solveSingleCell(const int cell);
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virtual void solveMultiCell(const int num_cells, const int* cells);
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void solveSingleCellBracketing(int cell);
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void solveSingleCellNewton(int cell, bool use_sc, bool use_explicit_step = false);
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void solveSingleCellGradient(int cell);
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void solveSingleCellGravity(const std::vector<int>& cells,
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const int pos,
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const double* gravflux);
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int solveGravityColumn(const std::vector<int>& cells);
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void initGravityDynamic();
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void fracFlow(double s, double c, double cmax, int cell, double& ff) const;
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void fracFlowWithDer(double s, double c, double cmax, int cell, double& ff,
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double* dff_dsdc) const;
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void fracFlowBoth(double s, double c, double cmax, int cell, double& ff,
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double* dff_dsdc, bool if_with_der) const;
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void computeMc(double c, double& mc) const;
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void computeMcWithDer(double c, double& mc, double& dmc_dc) const;
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void mobility(double s, double c, int cell, double* mob) const;
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void scToc(const double* x, double* x_c) const;
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#ifdef PROFILING
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class Newton_Iter {
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public:
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bool res_s;
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int cell;
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double s;
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double c;
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Newton_Iter(bool res_s_val, int cell_val, double s_val, double c_val) {
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res_s = res_s_val;
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cell = cell_val;
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s = s_val;
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c = c_val;
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}
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};
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std::list<Newton_Iter> res_counts;
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#endif
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};
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} // namespace Opm
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#endif // OPM_TRANSPORTSOLVERTWOPHASECOMPRESSIBLEPOLYMER_HEADER_INCLUDED
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