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59 lines
2.2 KiB
C++
59 lines
2.2 KiB
C++
/*
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Copyright 2014 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_NEWTONITERATIONBLACKOILCPR_HEADER_INCLUDED
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#define OPM_NEWTONITERATIONBLACKOILCPR_HEADER_INCLUDED
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#include <opm/autodiff/NewtonIterationBlackoilInterface.hpp>
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#include <opm/core/utility/parameters/ParameterGroup.hpp>
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#include <opm/core/linalg/LinearSolverInterface.hpp>
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#include <memory>
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namespace Opm
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{
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/// This class solves the fully implicit black-oil system by
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/// applying a Constrained Pressure Residual preconditioning
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/// strategy.
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class NewtonIterationBlackoilCPR : public NewtonIterationBlackoilInterface
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{
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public:
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/// Construct a system solver.
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/// \param[in] param parameters controlling the behaviour of
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/// the preconditioning and choice of
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/// linear solvers.
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NewtonIterationBlackoilCPR(const parameter::ParameterGroup& param);
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/// Solve the system of linear equations Ax = b, with A being the
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/// combined derivative matrix of the residual and b
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/// being the residual itself.
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/// \param[in] residual residual object containing A and b.
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/// \return the solution x
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virtual SolutionVector computeNewtonIncrement(const LinearisedBlackoilResidual& residual) const;
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private:
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std::unique_ptr<LinearSolverInterface> linsolver_elliptic_;
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std::unique_ptr<LinearSolverInterface> linsolver_full_;
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};
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} // namespace Opm
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#endif // OPM_NEWTONITERATIONBLACKOILCPR_HEADER_INCLUDED
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