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https://github.com/OPM/opm-simulators.git
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380fe6e2fd
A new timestepper that reads timesteps from a file generated using ecl_summary "DECK" TIME and applies it to the simulator Also a parameter timestep.initial_step_length (default 1 day) is added to controll the frist timestep.
67 lines
2.2 KiB
C++
67 lines
2.2 KiB
C++
/*
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Copyright 2014 IRIS AS
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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_TIMESTEPCONTROLINTERFACE_HEADER_INCLUDED
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#define OPM_TIMESTEPCONTROLINTERFACE_HEADER_INCLUDED
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namespace Opm
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{
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///////////////////////////////////////////////////////////////////
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///
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/// RelativeChangeInterface
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///
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///////////////////////////////////////////////////////////////////
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class RelativeChangeInterface
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{
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protected:
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RelativeChangeInterface() {}
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public:
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/// \return || u^n+1 - u^n || / || u^n+1 ||
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virtual double relativeChange() const = 0;
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/// virtual destructor (empty)
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virtual ~RelativeChangeInterface() {}
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};
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///////////////////////////////////////////////////////////////////
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///
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/// TimeStepControlInterface
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///
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///////////////////////////////////////////////////////////////////
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class TimeStepControlInterface
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{
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protected:
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TimeStepControlInterface() {}
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public:
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/// compute new time step size suggestions based on the PID controller
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/// \param dt time step size used in the current step
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/// \param iterations number of iterations used (linear/nonlinear)
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/// \param timeError object to compute || u^n+1 - u^n || / || u^n+1 ||
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///
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/// \return suggested time step size for the next step
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virtual double computeTimeStepSize( const double dt, const int iterations, const RelativeChangeInterface& relativeChange , const double simulationTimeElapsed) const = 0;
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/// virtual destructor (empty)
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virtual ~TimeStepControlInterface () {}
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};
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}
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#endif
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