ReservoirCouplingTimeStepper.hpp

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/*
  Copyright 2025 Equinor ASA
 
  This file is part of the Open Porous Media project (OPM).
 
  OPM is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.
 
  OPM is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
 
  You should have received a copy of the GNU General Public License
  along with OPM.  If not, see <http://www.gnu.org/licenses/>.
*/
 
#ifndef OPM_RESERVOIR_COUPLING_TIME_STEPPER_HPP
#define OPM_RESERVOIR_COUPLING_TIME_STEPPER_HPP
 
#include <opm/simulators/flow/rescoup/ReservoirCoupling.hpp>
#include <opm/input/eclipse/Schedule/Schedule.hpp>
#include <opm/simulators/utils/ParallelCommunication.hpp>
#include <opm/common/OpmLog/OpmLog.hpp>
 
#include <mpi.h>
 
#include <vector>
 
namespace Opm {
 
// Avoid including the complete definition of ReservoirCouplingMaster here to avoid circular dependency.
template <class Scalar> class ReservoirCouplingMaster;
 
template <class Scalar>
class ReservoirCouplingTimeStepper {
public:
    using MessageTag = ReservoirCoupling::MessageTag;
    using Potentials = ReservoirCoupling::Potentials<Scalar>;
    using Seconds = ReservoirCoupling::Seconds;
 
    ReservoirCouplingTimeStepper(
        ReservoirCouplingMaster<Scalar> &master
    );
 
    const Parallel::Communication &comm() const { return this->master_.getComm(); }
 
    MPI_Comm getSlaveComm(int index) const { return this->master_.getSlaveComm(index); }
 
    std::size_t numSlaves() const { return this->master_.numSlavesStarted(); }
 
    ReservoirCoupling::Logger& logger() const { return this->master_.getLogger(); }
 
    double maybeChopSubStep(double suggested_timestep_original, double elapsed_time) const;
 
    void receiveNextReportDateFromSlaves();
 
    void resizeNextReportDates(int size) { this->slave_next_report_time_offsets_.resize(size); }
 
    const Schedule& schedule() const { return this->master_.schedule(); }
 
    bool slaveIsActivated(int index) const { return this->master_.slaveIsActivated(index); }
 
    const std::string &slaveName(int index) const { return this->master_.getSlaveName(index); }
 
    double slaveStartDate(int index) const { return this->master_.getSlaveStartDate(index); }
 
    double slaveActivationDate(int index) const { return this->master_.getSlaveActivationDate(index); }
 
    void sendNextTimeStepToSlaves(double timestep);
 
    void setSlaveNextReportTimeOffset(int index, double offset) {
        this->slave_next_report_time_offsets_[index] = offset;
   }
 
private:
    ReservoirCouplingMaster<Scalar> &master_;
 
    std::vector<double> slave_next_report_time_offsets_;
 
    std::map<std::string, std::vector<Potentials>> slave_group_potentials_;
};
} // namespace Opm
#endif // OPM_RESERVOIR_COUPLING_TIME_STEPPER_HPP