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65 lines
2.3 KiB
C++
65 lines
2.3 KiB
C++
// -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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// vi: set et ts=4 sw=4 sts=4:
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/*
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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 2 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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Consult the COPYING file in the top-level source directory of this
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module for the precise wording of the license and the list of
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copyright holders.
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*/
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#ifndef EWOMS_NEWTON_METHOD_PARAMETERS_HH
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#define EWOMS_NEWTON_METHOD_PARAMETERS_HH
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namespace Opm::Parameters {
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//! The maximum error which may occur in a simulation before the
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//! Newton method for the time step is aborted
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template<class Scalar>
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struct NewtonMaxError { static constexpr Scalar value = 1e100; };
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//! Number of maximum iterations for the Newton method.
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struct NewtonMaxIterations { static constexpr int value = 20; };
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/*!
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* \brief The number of iterations at which the Newton method
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* should aim at.
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*
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* This is used to control the time-step size. The heuristic used
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* is to scale the last time-step size by the deviation of the
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* number of iterations used from the target steps.
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*/
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struct NewtonTargetIterations { static constexpr int value = 10; };
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/*!
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* \brief The value for the error below which convergence is declared
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*
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* This value can (and for the porous media models will) be changed to account for grid
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* scaling and other effects.
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*/
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template<class Scalar>
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struct NewtonTolerance { static constexpr Scalar value = 1e-8; };
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//! Specifies whether the Newton method should print messages or not
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struct NewtonVerbose { static constexpr bool value = true; };
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//! Specifies whether the convergence rate and the global residual
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//! gets written out to disk for every Newton iteration
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struct NewtonWriteConvergence { static constexpr bool value = false; };
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} // end namespace Opm::Parameters
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#endif
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